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Sergey A. Stepanov, Ph.D.

CV

Experience ARGONNE NATIONAL LABORATORY, GM/CA STRUCTURAL BIOLOGY FACILITY AT THE ADVANCED PHOTON SOURCE

Chicago, USA 2002-Present

Physicist, Section Leader of Control Systems (since 2006) Leading a group of four scientists and software engineers in the design of JBluIce-

EPICS beamline controls and data acquisition system for three macromolecular crystallography beamlines including the world-first ID lines based on the canted undulator principle. The developments include controls for high-throughput crystal-lography, remote data collection and processing, robotic sample mounting, auto-mated samples aligning and screening, and minibeam experiments with exchangea-ble 5, 10 and 20µm collimators (winner of the 2010 R&D100 Award) including diffraction and fluorescence rastering of micron-sized crystals. Continuing devel-opment of X-ray Computational Server that has carried more than 3,600,000 calcu-lations for about 5,500 scientists from all over the world including 1,500 regular users. Have been adding online Server calculations of multiple Bragg diffraction at grazing incidence, standing waves in multilayers, and resonant reflectivity from magnetic media as well as designing automated remote access to the Server pro-grams and remote data fitting.

ILLINOIS INSTITUTE OF TECHNOLOGY (IIT), BioCAT AT THE ADVANCED PHOTON SOURCE, ARGONNE NATIONAL LABORATORY

Chicago, USA 1997-2002

Research Associate Professor of Physics (IIT); Beamline Scientist (BioCAT) Participated in the construction and operation of undulator-based BioCAT beamline

at the Advanced Photon Source; designed the beamline controls including program tools for data acquisition and automatic beamline setup and alignment. Supported XAFS and SAXS experiments by various groups. Continued theoretical and compu-tational work in the field of surface diffraction. Constructed a theory for X-ray ref-lectivity by magnetic multilayers under the conditions of resonant scattering. Launched X-ray Server, one of the first internet-based modeling services in the X-ray field. The server provided online calculations of grazing incidence X-ray dif-fraction, reflectivity and scattering from multilayers with interface roughness using several models previously published by the author. Designed a commercial version of the data analysis package marketed by Scintag Ltd and Thermo Electron Corpo-ration (Switzerland).

HUMBOLDT UNIVERSITY OF BERLIN, INSTITUTE OF PHYSICS

Berlin, Germany 1993-1997

Guest Scientist Developed a theory for dynamical X-ray diffraction by strained crystals under non-

coplanar and asymmetric conditions. Designed a technique to study strains at rough interfaces with grazing incidence X-ray diffraction. Extended the theory of X-ray scattering from interfaces to take into account the effects of atomic steps, accumu-lated and asymmetrically correlated roughness in multilayers. Applied those devel-opments to studies of A3B5 superlattices and quantum wires. Designed, performed and analyzed X-ray diffraction experiments at DESY and ESRF. Created a program package for X-ray data analysis in the field of material science. Supervised postgra-duate students.

BELARUSSIAN STATE UNIVERSITY, INSTITUTE FOR NUCLEAR PROBLEMS

Minsk, Belarus 1987-1997

Senior Research Associate, Group Leader Developed a model describing parametric X-ray radiation by relativistic electrons in

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crystals under the conditions of multiple Bragg diffraction and explained 3- and 8-wave parametric X-ray experiments. Studied the possibility of X-ray laser based on the multi wave parametric X-ray radiation. Developed a new approach to calculat-ing multiple Bragg diffraction of X-rays. Provided detailed theoretical and experi-mental analysis of X-ray surface back diffraction. Gave lectures on X-ray diffrac-tion to graduate students and supervised MS diploma students.

RUSSIAN ACADEMY OF SCIENCES, INSTITUTE OF CRYSTALLOGRAPHY

Moscow, Russia 1981-1986

Research Associate Studied grazing incidence X-ray diffraction (GID) from imperfect crystals. Devel-

oped new techniques for studying semiconductor materials with GID. Suggested and theoretically justified the Bragg-Laue diffraction geometry for surface-sensitive X-ray material science. Defended a Ph.D. thesis in the field of X-ray diffraction theory.

“INTEGRAL” MICROELECTRONICS INC.

Minsk, Belarus 1978-1981

Research Engineer Designed X-ray diffraction techniques and provided computational support for X-

ray studies of silicon wafers at various stages of the integrated circuit production.

Education RUSSIAN ACADEMY OF SCIENCES, INSTITUTE OF CRYSTALLOGRAPHY

Moscow, Russia 1985

Ph.D. in Physics (Candidate of Physical-Mathematical Sciences). Thesis title: “Extended theory of grazing incidence X-ray diffraction for crystals with surface imperfections”.

BELARUSSIAN STATE UNIVERSITY

Minsk, Belarus 1978

M.S. in Physics. Specialization: Theoretical Physics.

Major

Results

Design of beamline controls for Sectors 18 and 23 at the Advanced Photon Source that have been recognized by international users community for their high efficien-cy and convenience. This includes lead in the design of JBluIce-EPICS beamline control system for high-throughput protein crystallography of micron-sized crystals. Essential contributions to the theories of grazing incidence, Bragg-Laue, and mul-tiple X-ray diffraction by crystals, X-ray scattering from interface roughness, and X-ray diffraction by strained multilayers, as well as parametric X-ray radiation by re-lativistic electrons. An author of a series of new techniques for materials research with X-rays and a suite of data analysis programs available through internationally recognized X-ray Server (http://x-server.gmca.aps.anl.gov).

Publications Authored 67 publications in per-reviewed journals and conference proceedings in-cluding those in the Physical Review, Journal of Applied Physics, Acta Crystallo-graphica, Nuclear Instruments and Methods, Journal of Synchrotron Radiation, and etc. Co-authored 152 conference abstracts and gave 8 invited talks at International Conferences in US, Europe, Asia and Australia.

Reviewing Has reviewed for Physical Review Letters, Physical Review, Acta Crystallographi-ca, Applied Physics Letters, Journal of Applied Physics, Journal of Physics, and Physica Status Solidi.

Other Served as a co-chair of the APS Technical Working Group Served as a member of Argonne's Bio Division Computing Advisory Committee

2009-2011 2005-2012

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Sergey A. Stepanov, Ph.D.

List of Academic Publications November 20, 2018

I. JOURNAL PAPERS

[1] “Asymmetry factor in diffraction of X-rays under conditions of total external reflection”,

P.A. Aleksandrov, A.M. Afanas'ev and S.A. Stepanov, Kristallografiya, v.29, No 2, p.197-202, (1984); Sov. Phys. – Crystallogr., v.29, No 2, p.119-122, (1984).

[2] “Structure of wave fields during diffraction of X-rays with total external reflection”, P.A. Aleksandrov, M.K. Melkonyan and S.A. Stepanov, Kristallografiya, v.29, No 2, p.376-378, (1984); Sov. Phys. – Crystallogr., v.29, No 2, p.226-227, (1984).

[3] “X-ray diffraction under specular reflection conditions on crystals with an amorphous surface film”, P.A. Aleksandrov, A.M. Afanas'ev, M.K. Melkonyan and S.A. Stepanov, Phys. Stat. Sol. (a), v.81, No 1, p.47-53, (1984).

[4] “Experimental study of X-ray diffraction under specular reflection conditions”, A.L. Golovin, R.M. Imamov and S.A. Stepanov, Acta Crystallogr. A, v.40, p.225-228, (1984).

[5] “Bragg-Laue diffraction in inclined geometry”, P.A. Aleksandrov, A.M. Afanas'ev and S.A. Stepanov, Phys. Stat. Sol. (a), v.86, No 1, p.143-154, (1984).

[6] “X-ray diffraction under specular reflection conditions on the surface crystalline film”, P.A. Aleksandrov, A.M. Afanas'ev and S.A. Stepanov, Poverkhn., Fiz. Khim. Mekh., No 8, p.9-18, (1984); Phys. Chem. Mech. Surf., v.3, No 8, p.2222-2240, (1985).

[7] “A new method for surface analysis of crystals using X-ray diffraction under specular reflection condi-tions”, P.A. Aleksandrov, A.M. Afanas'ev, A.L. Golovin, R.M. Imamov, D.V. Novikov and S.A. Stepanov, J. Appl. Crystallogr., v.18, p.27-32, (1985).

[8] “Surface studies by the method of X-ray total external reflection (review)”, A.M. Andreeva, S.F. Borisova and S.A. Stepanov, Poverkhn., Fiz. Khim. Mekh, No 4, p.5-26, (1985); Phys. Chem. Mech. Surf., v.4, No 4, p.951-996, (1986).

[9] “The use of integral curves of X-ray Bragg-Laue diffraction for the study of amorphization in surface layers of crystals”, R.M. Imamov, E.A. Kondrashkina and S.A. Stepanov, Poverkhn., Fiz. Khim. Mekh., No 2, p.109-116, (1986); Phys. Chem. Mech. Surf., v.5, No 2, p.384-395, (1989).

[10] “Diffraction of X-ray beams under total external reflection conditions in a bicrystal and the determina-tion of the mismatch parameter of lattices”, P.A. Aleksandrov and S.A. Stepanov, Poverkhn., Fiz. Khim. Mekh., No 6, p.117-120, (1986); Phys. Chem. Mech. Surf., v.5, No 6, p.1524-1531, (1990).

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[11] “Experimental investigation of influence of surface roughness on X-ray diffraction under total external reflection conditions”, R.M. Imamov, E.A. Kondrashkina, D.V. Novikov and S.A. Stepanov, Kristallografiya, v.32, No 4, p.852-857, (1987); Sov. Phys. – Crystallogr. (USA), v.32, No 4, p.501-504, (1987).

[12] “A modification of integral characteristics technique for X-ray diffraction analysis of crystal surface layers”, S.A. Stepanov and E.A. Kondrashkina, Mikroelectronika, ser.3, No 3(263), p.85, (1987), - in Russian.

[13] “Advanced method of integral characteristics for X-ray diffraction analysis of crystal surface layers”, S.A. Stepanov, E.A. Kondrashkina and A.N. Chuzo, Poverkhn., Fiz. Khim. Mekh., No 9, p.112-118, (1988), - in Russian.

[14] “Study of X-ray surface back scattering”, D.V. Novikov, E.A. Kondrashkina and S.A. Stepanov, Phys. Stat. Sol. (a), v.114, p.K7-K10, (1989).

[15] “Dynamical diffraction effects in the surface backscattering of X-ray beams”, S.A. Stepanov and E.A. Kondrashkina, Poverkhn., Fiz. Khim. Mekh., No 5, p.51-56, (1990); Phys. Chem. Mech. Surf., v.6, No 5, p.1152-1161, (1991).

[16] “Study of X-ray surface back diffraction. Recording of a diffracted beam”, E.A. Kondrashkina, D.V. Novikov and S.A. Stepanov, Phys. Stat. Sol. (a), v.121, p.K9-K13, (1990).

[17] “Effect of two critical angles of X-ray surface diffraction on secondary emission yield”, V.G. Baryshevsky and S.A. Stepanov, Phys. Stat. Sol. (a), v.122, No 1, p.69-72, (1990).

[18] “X-ray surface back diffraction”, S.A. Stepanov, E.A. Kondrashkina and D.V. Novikov, Nucl. Instrum. & Meth. A, v.301, p.350-357, (1991).

[19] “Calculation of the polarizabilities of crystals for diffraction of X-rays of the continuous spectrum at wavelengths of 0.1-10 Å”, O.M. Lugovskaya and S.A. Stepanov, Kristallografiya, v.36, No 4, p.856-860, (1991); Sov. Phys. – Crystallogr., v.36, No 4, p.478-481, (1991).

[20] “On disagreements between theory and experiment in X-ray grazing incidence diffraction”, S.A. Stepanov, Phys. Stat. Sol. (a), v.126, No 1, p.K15-K18, (1991).

[21] “Fluorescence yield under X-ray surface back diffraction”, S.A. Stepanov, Phys. Stat. Sol. (a), v.132, No 1, p.9-16, (1992).

[22] “Computation of parametric x-ray production by relativistic particles in crystals under multiple Bragg diffraction”, I.Ya. Dubovskaya, S.A. Stepanov, A.Ya. Silenko and A.P. Ulyanenkoff, J. Phys. C: Condens. Matter, v.5, p.7771-7784, (1993).

[23] “Method of transfer matrices and dynamical thick-crystal approximation in surface X-ray diffraction by

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multilayer structures”, S.A. Stepanov, Kristallografiya, v.39, No 2, p.221-226, (1994); Crystallogr. Reports (USA), v.39, No 2, p.182-187, (1994).

[24] “Application of Renninger effect to X-ray double-plane collimation”, S.A. Stepanov, E.A. Kondrashkina, D.V. Novikov, and R.M. Imamov Nucl. Instrum. & Meth. A, v.346, Nr.1/2, p.385-393, (1994).

[25] “A new algorithm for computation of X-ray multiple Bragg diffraction”, S.A. Stepanov and A.P. Ulyanenkov, Acta Crystallogr. A, v.50, Part 5, p.579-585, (1994).

[26] “A dynamical theory of extremely asymmetric x-ray diffraction taking account of normal lattice strain”, S.A. Stepanov and R. Köhler, J. Phys. D: Applied Physics, v.27, p.1923-1928, (1994).

[27] “Real-structure effects in the dynamical theory of grazing incidence x-ray diffraction”, S.A. Stepanov and R. Köhler, J. Appl. Phys. v.76, No 12, p.7809-7815, (1994).

[28] “A matrix approach to x-ray grazing-incidence diffraction in multilayers”, S.A. Stepanov, U. Pietsch and G.T. Baumbach, Zeitschrift für Physik B, v.96, No 3, p.341-347, (1995).

[29] “A dynamical diffraction approach to grazing-incidence x-ray diffraction by multilayers with lateral lattice misfits”, A.P. Ulyanenkov, S.A. Stepanov, U. Pietsch, and R. Köhler, J. Phys. D: Applied Physics, v.28, No 12, p.2522-2528, (1995).

[30] “Bragg-diffraction peaks in x-ray diffuse scattering from multilayers with rough interfaces”, V.M. Kaganer, S.A. Stepanov and R. Köhler, Phys. Rev. B, v.52, No 1, p.16369-16372, (1995).

[31] “Interface roughness of InAs/AlSb superlattices investigated by X-ray scattering”, B. Jenichen, S.A. Stepanov, B. Brar and H. Kroemer, J. Appl. Phys., v.79, No 1, p.120-124, (1996).

[32] “Multi-wave parametric x-ray production by relativistic particles in crystals: comparison of computa-tions and experimental results”, S.A. Stepanov, A.Ya. Silenko, A.P.Ulyanenkov and I.Ya. Dubovskaya, Nucl. Instrum. & Meth. B, v.117, No 1-2, p.55-67, (1996).

[33] “Effect of roughness correlations in multilayers on Bragg peaks in x-ray diffuse scattering”, V.M. Kaganer, S.A. Stepanov and R. Köhler, Physica B, v.221, No 1-4, p.33-43, (1996).

[34] “Diffuse scattering from interface roughness in grazing incidence x-ray diffraction”, S.A. Stepanov, E.A. Kondrashkina, M. Schmidbauer, R. Köhler, J.-U. Pfeiffer, T. Jach, and A.Yu. Souvorov, Phys. Rev. B, v.54, No 11, p.8150-8162, (1996).

[35] “High-resolution grazing-incidence x-ray diffraction for characterization of defects in crystal surface layers”, E.A. Kondrashkina, S.A. Stepanov, M. Schmidbauer, R. Opitz, and R. Köhler,

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J. Appl. Phys. , v.81, No 1, p.175-183, (1997).

[36] “Multiwave parametric x-ray radiation generated by particles in crystal”, S.A. Stepanov, A.Ya. Silenko, A.P. Ulyanenkov, and I.Ya. Dubovskaya, Poverkhn., Fiz. Khim. Mekh. (Russia), No 8, p.61-64, (1997), - in Russian.

[37] “Grazing-incidence x-ray scattering from stepped interfaces in AlAs/GaAs superlattices”, E.A. Kondrashkina, S.A. Stepanov, R. Opitz, M. Schmidbauer, R. Köhler, R. Hey, M. Wassermeier, and D.V. Novikov, Phys. Rev. B, v.56, No 16, p. 10469-10482, (1997).

[38] “Dynamical x-ray diffraction of multilayers and superlattices: Recursion matrix extension to grazing angles”, S.A. Stepanov, E.A. Kondrashkina, R. Köhler, D.V. Novikov, G. Materlik, and S.M. Durbin, Phys. Rev. B, v.57, No 8, p. 4829-4841, (1998).

[39] "X-ray resonant reflection from magnetic multilayers: Recursion matrix algorithm", S.A. Stepanov and S.K. Sinha, Phys. Rev. B, v.61, No 22, p. 15302-15311, (2000).

[40] "Electronic structure of Ni complexes by x-ray resonance Raman spectroscopy (resonant inelastic x-ray scattering)", P. Glatzel, U. Bergmann, W. Gu, H. Wang, S. Stepanov, B.S. Mandimutsira, C. Riordan, C.P. Horwitz, T. Collins, and S.P. Cramer, J. Am. Chem. Soc. (Communication), v.124, No 33, p.9668-9669, (2002).

[41] "X-ray resonant magnetic scattering from structurally and magnetically rough interfaces in multilayered systems. I. Specular reflectivity", D.R. Lee, S.K. Sinha, D. Haskel, Y. Choi, J.C. Lang, S.A. Stepanov, and G. Srajer, Phys. Rev. B, v.68, No 22, p.224409, (2003) (19 pages).

[42] "The BioCAT undulator beamline 18ID: a facility for biological non-crystalline diffraction and X-ray absorption spectroscopy at the Advanced Photon Source", R. Fischetti, S. Stepanov, G. Rosenbaum, R. Barrea, E. Black, D. Gore, R. Heurich, E. Kondrashkina, A.J. Kropf, S. Wang, K. Zhang, T.C. Irving and G.B. Bunker, J. Synchrotron Rad. 11, p.399-405 (2004).

[43] "Biological XAFS at the BioCAT 18ID undulator beamline at the APS", R.A. Barrea, R. Fischetti, S. Stepanov, G. Rosenbaum, E. Kondrashkina, G.B. Bunker, E. Black, K. Zhang, D. Gore, R. Heurich, M. Vukonich, A.J. Kropf, S. Wang, and T.C. Irving, Physica Scripta, v.T115, p.867–869 (2005).

[44] "A new approach to wide-angle dynamical X-ray diffraction by deformed crystals", S. Podorov, N. Faleev, K. Pavlov, D. Paganin, S. Stepanov, and E. Förster, J. Appl. Crystallogr., v.39, p.652-655 (2006).

[45] “Transformation of X-ray Server from a set of WWW-accessed programs into WWW-based library for remote calls from X-ray data analysis software”, S. Stepanov, Thin Solid Films, v.515, p.5700–5703, (2007).

[46] "EPICS controlled sample mounting robots at the GM/CA CAT", O.A. Makarov, R. Benn, S. Corcoran, S. Devarapalli, R. Fischetti, M. Hilgart, W.W. Smith, S. Stepanov, and S. Xu, Nucl. Instrum. & Meth. A, v.582, p.156–158, (2007).

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[47] “Fitting dynamical X-ray diffraction data over the WWW”,

S.Stepanov and R.Forrest, J. Appl. Crystallogr. v.41, p.958-962 (2008).

[48] "Mini-beam collimator enables microcrystallography experiments on standard beamlines", R.F.Fischetti, S.Xu, D.W.Yoder, M.Becker, V.Nagarajan, R.Sanishvili, M.C.Hilgart, S.Stepanov, O.Makarov and J.L.Smith, J. Synchrotron Rad. v.16, Part 2, p.217-225, (2009).

[49] "Rastering strategy for screening and centering of microcrystal samples of human membrane proteins with a sub-10 µm size X-ray synchrotron beam", V.Cherezov, M.A.Hanson, M.T.Griffith, M.C.Hilgart, R.Sanishvili, V.Nagarajan, S.Stepanov, R.F.Fischetti, P.Kuhn and R.C.Stevens, J. Royal Soc. Interface v.6, Suppl.5, p.S587-S597, (2009).

[50] "JBluIce-EPICS control system for macromolecular crystallography", S.Stepanov, O.Makarov, M.Hilgart, S.B.Pothineni, A.Urakhchin, S.Devarapalli, D.Yoder, M.Becker, C.Ogata, R.Sanishvili, N.Venugopalan, J.L.Smith, and R.F.Fischetti, Acta Crystallogr. D, v.67, p.176-188, (2011).

[51] "Radiation Damage in Protein Crystals is Reduced with Micron-Sized X-Ray Beam", R.Sanishvili, D.W.Yoder, S.Pothineni, G.Rosenbaum, S.Xu, S.Vogt, S.Stepanov, O.Makarov, S.Corcoran, R.Benn, V.Nagarajan, J.L.Smith, and R.F.Fischetti, Proc. Natl. Acad. Sci. USA, v.108, No.15, p.6127-6132, (2011).

[52] "Fast fluorescence techniques for crystallography beamlines", S.Stepanov, M.Hilgart, D.Yoder, O.Makarov, M.Becker, R.Sanishvili, C.Ogata, N.Venugopalan, D.Aragão, M.Caffrey, J.L.Smith, and R.F.Fischetti, J. Appl. Crystallogr., v.44, No 4, p.772-778, (2011).

[53] "Automated sample scanning methods for radiation damage mitigation and diffraction-based centering of macromolecular crystals", M.Hilgart, R.Sanishvili, C.Ogata, M.Becker, N.Venugopalan, S.Stepanov, O.Makarov, J.L.Smith, and R.F.Fischetti, J. Synch. Rad., v.18, p.717-722, (2011).

[54] "Direct observation of dynamics of thermal expansion using pump-probe high-energy-resolution x-ray diffraction", S.Stoupin, A.M.March, H.Wen, D.A.Walko, Y.Li, E.M.Dufresne, S.A.Stepanov, K.-J.Kim, Yu.V.Shvyd’ko, V.D.Blank, and S.A.Terentyev, Phys. Rev. B v. 86, No 5, p.054301(5) (2012).

[55] "Tightly integrated single- and multi-crystal data collection strategy calculation and parallelized data processing in JBluIce beamline control system", S.B.Pothineni, N.Venugopalan, C.M.Ogata, M.C.Hilgart, S.Stepanov, R.Sanishvili, M.Becker, G.Winter, N.K.Sauter, J.L.Smith, and R.F.Fischetti, J. Appl. Crystallogr., v.47, No 6, p.1992-1999 (2014).

[56] “Rapid in situ X-ray position stabilization via extremum seeking feedback”, S.Zohar, N.Venugopalan, D.Kissick, M.Becker, S.Xu, O.Makarov, S.Stepanov, C.Ogata, R.Sanishvili, and R.F.Fischetti, J. Synch. Rad., v.23, p.443-447, (2016).

[57] “Guiding synchrotron X-ray diffraction by multimodal video-rate protein crystal imaging”,

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J.A.Newman, S.Zhang, S.Z.Sullivan, X.Y.Dow, M.Becker, M.J.Sheedlo, S.Stepanov, M.S.Carlsen, R.M.Everly, C.Das, R.F.Fischetti, and G.J.Simpson, J. Synch. Rad., v.23, p.959-965, (2016).

[58] “Rotation of X-ray polarization in the glitches of a silicon crystal monochromator”, J.P.Sutter, R.Boada, D.T.Bowron, S.A.Stepanov, and S.Diaz-Moreno, J. Appl.. Crystallogr. v.49, p.1209-1222, (2016).

[59] "Extremum seeking x-ray position feedback using power line harmonic leakage as the perturbation", S.Zohar, D.J.Kissick, N.Venugopalan, C.M.Ogata, O.Makarov, S.Stepanov, and R.F.Fischetti, Phys. Rev. Accel. Beams, v.19, p.092801 (2016).

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II. PUBLICATIONS IN REFERRED PROCEEDINGS

[1] “X-ray diffuse scattering from interfaces in semiconductor multilayers”,

S.A. Stepanov, In: "Exploration of Subsurface Phenomena by Particle Scattering,", Ed. N.Q. Lam, C.A. Melendres, and S.K. Sinha, -- IASI Press, 2000, p.119-137.

[2] "Contribution of X-Ray Diffraction and Infrared Reflectivity simulations to experimental study of high energy He implantation at high dose in 4H-SiC at room temperature", A. Declemy, A. Shiryaev, S. Stepanov, J.F. Barbot, M.F. Beaufort, E. Oliviero, C. Tromas, E. Ntsoen-zok, and T. Sauvage, In: Proceedings of International Conference on SiC and Related Materials 2003 (ICSCRM2003), Lyon, France, October 5-10 (2003); Part II, p.937-940.

[3] “X-ray server: an online resource for simulations of X-ray diffraction and scattering”, S.A. Stepanov, In: "Advances in Computational Methods for X-ray and Neutron Optics", Ed. M. Sanches del Rio, -- Proceedings SPIE, 5536, p.16-26 (2004).

[4] “How to make X-ray simulation software working of WWW: A simple recipe based on seven years of experience”, S.A. Stepanov, In: "Advances in Computational Methods for X-ray and Neutron Optics,", Ed. M. Sanches del Rio, -- Proceedings SPIE, 5536, p.165-170 (2004).

[5] "Optical performance of the GM/CA-CAT canted undulator beamlines for protein crystallography", R.F. Fischetti, D.W. Yoder, S. Xu, S. Stepanov, O. Makarov, R. Benn, S. Corcoran, W. Diete, M. Schwoerer-Boehing, R. Signorato, L. Schroeder, L. Berman, P.J. Viccaro, and J.L. Smith, Synchrotron Radiation Instrumentation, J.-Y. Choi, S. Rah, eds., American Inst. of Phys. p.754-757 (2007).

[6] "Micro-crystallography developments at GM/CA-CAT at the APS", S.Xu, O.Makarov, R.Benn, D.Yoder, S.Stepanov, M.Becker, S.Corcoran, M.Hilgart, V.Nagarajan, C.Ogata, S.Pothineni, R.Sanishvili, J.L.Smith, and R.F.Fischetti, In: The 10th International Conference on Synchrotron Radiation Instrumentation (SRI-2009), Collected Abstracts, Melbourne, Australia, September 27 - October 2, (2009); AIP Conference Proceedings, 1234, 905-908 (2010).

[7] "JBluIce-EPICS: a fast and flexible open-source beamline control system for macromolecular crystallo-graphy", S.A.Stepanov, M.Hilgart, O.Makarov, S.B.Pothineni, D.Yoder, C.Ogata, R.Sanishvili, N.Venugopalan, J.L.Smith, and R.F.Fischetti, J. Phys.: Conf. Ser. 425, 012019 (2013).

[8] "Cyber security, massive data processing, community interaction, and other developments at WWW-based computational X-ray Server", S.A.Stepanov, J. Phys.: Conf. Ser. 425, 162006 (2013).

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III. INVITED TALKS

[1] “Diffuse scattering from defects: Theoretical and experimental developments (invited)”,

S.A. Stepanov, 46th Denver X-ray Conference (US X-TOP'97 Symposium), Collected Abstracts, Denver, CO, USA, (1997), p.167.

[2] “X-ray diffraction of multilayers and superlattices at grazing incidence and/or exit (invited)”, S.A. Stepanov, 3th Autumn School on X-ray Scattering from Surfaces and Thin Layers, Collected Abstracts, Smolenice, Slovakia, October 1-4 (1997).

[3] “X-ray diffuse scattering from interfaces in semiconductor multilayers (invited)”, S.A. Stepanov, In: International Advanced Studies Institute Conference “Exploration of Subsurface Phenomena by Par-ticle Scattering”, Collected Abstracts, Monterey, CA, USA, October 19-23 (1998), p.I20.

[4] “X-ray server: an online resource for simulations of x-ray diffraction and scattering (invited)”, S.A. Stepanov, In: SPIE’49 Annual Meeting, Section “Advances in Computational Methods for X-ray and Neutron Op-tics”, Denver, CO, USA, August 2-6 (2004).

[5] “GM/CA CAT beamline control system for protein crystallography at the APS”, S.A. Stepanov, Invited talk at NSLS-II Seminar Series, Brookhaven, NY, USA, October 10 (2006).

[6] “Automated tuning of Kirkpatrick-Baez Bimorph Mirrors”, S.A. Stepanov, Invited talk at Australian Synchrotron, Clayton, VIC 3168, Australia, November 7 (2008).

[7] “JBluIce-EPICS: a modern control system with classical look and feel for macromolecular crystallogra-phy at the Advanced Photon Source”, S.A. Stepanov, Invited talk at NSLS-II, Brookhaven, NY, USA, September 8 (2010).

[8] “X-ray Server: dynamical X-ray diffraction on the web. Scope, history, capabilities, and future plans”, S. Stepanov, Invited talk at SOS (Software for Optical Simulations) workshop, Trieste, Italy, October 3-7 (2016).

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IV. INVENTIONS

[1] “Method for obtaining structural characteristics of thin surface layers of perfect crystals”,

P.A. Aleksandrov, A.M. Afanas'ev, A.L. Golovin, R.M. Imamov, A.V. Mirensky, S.A. Stepanov and Yu.N. Shilin, USSR inventors certificate No 1103126, submitted 30.03.1983, and registered 15.03.1984.

[2] “A method for collimation and monochromatization of X-ray radiation”, E.A. Kondrashkina, S.A. Stepanov and D.V. Novikov, USSR inventors certificate No 1547036, submitted 25.04.1988, and registered 01.11.1989.

[3] “A method for collimation of monochromatic X-ray radiation”, S.A. Stepanov and E.A. Kondrashkina, USSR inventors certificate No 1588116, submitted 27.07.1988, and registered 22.04.1990.

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V. CONFERENCE ABSTRACTS

[1] “Measurement of strain profiles of ion implanted silicon layers with nondestructive X-ray diffraction

technique”, S.A. Stepanov, L.D. Buyko and E.F. Lobanovich, In: VI-th USSR Conf. "Interaction of Atomic Particles with Solids", Collected Abstr., Minsk, USSR, (1981), v.2, p.137-139, - in Russian.

[2] “A new X-ray diffraction method under the conditions of total external reflection: investigation of super-thin single-crystal surface layers”, R.M. Imamov, A.L. Golovin, S.A. Stepanov and A.M. Afanas'ev, In: Proc. Int. Ion Engineering Congr. ISIAT'83 & IPAT'83, Kyoto, Japan, p.1913-1918, (1983).

[3] “A new method of X-ray diffraction under total external reflection for studies of superthin single-crystal surface layers”, A.M. Afanas'ev, A.L. Golovin, R.M. Imamov and S.A. Stepanov, In: IV-th USSR Conf. "Structure Defects in Semiconductors", Collected Abstr., Novosibirsk, USSR, (1984), v.2, p.108-109, - in Russian.

[4] “Dynamical effects in the X-ray surface back scattering”, S.A. Stepanov, In: IV-th USSR Conf. "Coherent Interaction of Radiation with Matter", Collected Abstr., Yurmala, USSR, (1988), p.167-168, - in Russian.

[5] “Theoretical and experimental studies of X-ray surface back diffraction”, S.A. Stepanov, E.A. Kondrashkina and D.V. Novikov, In: XII Europ. Crystallogr. Meeting Collected Abstr., Moscow, USSR, v.3, p.104, (1989).

[6] “A theory of the surface Bond method”, S.A. Stepanov, In: III-th USSR Conf. "Inter-University Project 'X-Ray'", Collected Abstr., Chernovtsy, USSR, p.94, (1989), - in Russian.

[7] “A direct method for depth measurements of submicron surface films with integral curves of X-ray Bragg-Laue diffraction”, E.A. Kondrashkina, S.A. Murav'ev and S.A. Stepanov, In: III-th USSR Conf. "Inter-University Project 'X-Ray'", Collected Abstr., Chernovtsy, USSR, p.116, (1989), - in Russian.

[8] “Study of total reflection boundaries at X-ray surface back diffraction”, S.A. Stepanov, In: V-th USSR Conf. "Coherent Interaction of Radiation with Matter", Collected Abstr., Simferopol, USSR, p.50-52, (1990), - in Russian.

[9] “Program for evaluation of crystal polarizabilities for multiwave diffraction of synchrotron X-ray radia-tion”, S.A. Stepanov and O.M. Lugovskaya, In: 2-nd Conf. "Dynamical Scattering of X-rays in Crystals with Dynamic and Static Distortions", Col-lected Abstr., Kiev, USSR, p.66, (1990), - in Russian.

[10] “X-ray surface back diffraction standing waves: new tools for crystal surface studies”, S.A. Stepanov, In: XIV Europ. Crystallogr. Meeting Collected Abstr., Amsterdam, Netherlands, p.557, (1992).

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[11] “A dynamical theory of grazing-incidence X-ray diffraction in multilayers”, S.A. Stepanov and R. Köhler, In: First Europ. Conf. "Synchrotron Radiation in Materials Science", Collected Abstracts, Chester, Eng-land, p.P7.10, (1994).

[12] “How to compute the effect of lattice strain on extremely asymmetric X-ray diffraction”, S.A. Stepanov and R. Köhler, In: First Europ. Conf. "Synchrotron Radiation in Materials Science", Collected Abstracts, Chester, Eng-land, p.P7.11, (1994).

[13] “Accounting for correlated roughness effects in X-ray grazing-incidence diffraction”, A.P. Ulyanenkov and S.A. Stepanov, In: The 2nd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Collected Ab-stracts, Berlin, Germany, p.194, (1994).

[14] “An advanced method for computation of X-ray multiple Bragg diffraction”, S.A. Stepanov and A.P. Ulyanenkov, In: The 2nd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Collected Ab-stracts, Berlin, Germany, p.184, (1994).

[15] “Accounting for interfacial roughness effects in grazing-incidence x-ray diffraction by multilayers”, S.A. Stepanov and R. Köhler, In: The 2nd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Collected Ab-stracts, Berlin, Germany, p.182, (1994).

[16] “Accounting for normal lattice strain effect in the theory of x-ray diffraction under total external reflec-tion conditions”, S.A. Stepanov and R. Köhler, In: The 2nd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Collected Ab-stracts, Berlin, Germany, p.183, (1994).

[17] “Evaluation of interface roughness by grazing incidence x-ray diffraction”, B. Jenichen, H. Rhan, S. Stepanov, M. Öhler, and R. Köhler In: The 2nd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Collected Ab-stracts, Berlin, Germany, p.120, (1994).

[18] “Double-plane collimation of x-rays for high-resolution experiments”, E.A. Kondrashkina, D.V. Novikov, and S.A. Stepanov, In: The 2nd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Collected Ab-stracts, Berlin, Germany, p.128, (1994).

[19] “Effect of roughness correlations in multilayers on Bragg peaks in x-ray diffuse scattering”, V.M. Kaganer, S.A. Stepanov and R. Köhler, In: Fourth Internat.Conference "Surface X-Ray and Neutron Scattering", Collected Abstracts, Lake Ge-neva, WI, USA, p.75, (1995).

[20] “Diffuse scattering on interface roughness in grazing incidence x-ray diffraction”, S.A. Stepanov and R. Köhler, In: Fourth Internat.Conference "Surface X-Ray and Neutron Scattering", Collected Abstracts, Lake Ge-neva, WI, USA, p.77, (1995).

[21] “Triple-crystal diffractometry in grazing-incidence x-ray diffraction”, E.A. Kondrashkina, S.A. Stepanov, M. Schmidbauer, R. Opitz, R. Köhler and H. Rhan, In: HASYLAB Ann. Rep., Hamburg, Germany, v.2, p.275-276, (1995).

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[22] “Interface roughness correlations in superlattices studied by x-ray diffuse scattering”, R. Opitz, M. Schmidbauer, V. Kaganer, S.Stepanov and R.Köhler, In: X-TOP'96 -- The 3rd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Col-lected Abstracts, Palermo, Italy, p.28, (1996).

[23] “Triple-crystal diffractometry in grazing-incidence x-ray diffraction”, E.A. Kondrashkina, S.A. Stepanov, M. Schmidbauer, R. Opitz, R. Köhler and H. Rhan, In: X-TOP'96 -- The 3rd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Col-lected Abstracts, Palermo, Italy, p.146, (1996).

[24] “Effect of roughness on grazing-incidence x-ray diffraction”, S.A. Stepanov, R.Köhler, and T.Jach, In: X-TOP'96 -- The 3rd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Col-lected Abstracts, Palermo, Italy, p.174, (1996).

[25] “A dynamical diffraction approach to grazing-incidence x-ray diffraction by multilayers with lateral lattice misfits”, A.P. Ulyanenkov, S.A. Stepanov, U. Pietsch, and R. Köhler, In: X-TOP'96 -- The 3rd Europ.Symposium "X-Ray Topography and High Resolution Diffraction", Col-lected Abstracts, Palermo, Italy, p.175, (1996).

[26] “Interfacial roughness correlation in (GaAs, AlAs)/GaAs superlattices studied by x-ray diffuse scatter-ing”, R. Opitz, E.A.Kondrashkina, M.Schmidbauer, S.A. Stepanov, R. Köhler, M. Wassermeier, and R. Hey, In: 23rd International Conference on the Physics of Semiconductors, Collected Abstracts, Berlin, Ger-many, p.MoP-74, (1996).

[27] “Extremely asymmetric x-ray diffraction from multilayers and superlattices: a recursive matrix theory and its experimental check”, S.A. Stepanov, E.A. Kondrashkina, R. Köhler, D.V. Novikov, and G. Materlik, In: IUCr XVII Synchrotron Radiation Satellite Meeting, Collected Abstracts, Argonne, USA, p.29, (1996).

[28] “High-resolution measurements in grazing-incidence x-ray diffraction”, E.A. Kondrashkina, S.A. Stepanov, M. Schmidbauer, R. Opitz, R. Köhler, and H. Rhan, In: IUCr XVII Synchrotron Radiation Satellite Meeting, Collected Abstracts, Argonne, USA, p.31, (1996).

[29] “Measurements of atomic ordering in roughness with grazing incidence x-ray diffraction”, S.A. Stepanov, E.A. Kondrashkina, M. Schmidbauer, R. Köhler, J.-U. Pfeiffer, T. Jach, and A.Yu. Souvorov, In: IUCr XVII -- XVII Crystallogr. Congr., Collected Abstracts, Seattle, USA, p.473, (1996).

[30] “X-ray reflectivity and diffuse scattering study of roughness anisotropy in AlAs/GaAs superlattices”, E.A. Kondrashkina, S.A. Stepanov, R. Opitz, M. Schmidbauer, R. Köhler, R. Hey, and M. Wassermeier, In: IUCr XVII -- XVII Crystallogr. Congr., Collected Abstracts, Seattle, USA, p.474, (1996).

[31] “Extremely asymmetric x-ray diffraction from semiconductor multilayers”, S.A. Stepanov, D.V. Novikov, E.A. Kondrashkina, R. Köhler, and G. Materlik, In: HASYLAB Ann. Rep., Hamburg, Germany, (1996), v.1, p.486-487.

[32] “High-resolution measurements of interfacial roughness correlation in AlAs/GaAs superlattices”, E.A. Kondrashkina, R. Opitz, M. Schmidbauer, D.V. Novikov, S.A. Stepanov, and R. Köhler, In: HASYLAB Ann. Rep., Hamburg, Germany, (1996), v. 1, p.484-485.

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[33] “Multiwave parametric x-ray radiation generated by particles within crystal”, S.A. Stepanov, A.Ya. Silenko, A.P. Ulyanenkov, and I.Ya. Dubovskaya, In: XXVI Conference on Interaction of Charged Particles with Crystals, Collected Abstr., Moscow, Rus-sia, 1996, p.56.

[34] “Multi-wave effects in PXR generated by low energy particles”, I.Ya. Dubovskaya, S.A. Stepanov, and A.P. Ulyanenkov, In: 5th Russian-Japanese Symposium on the Interaction of Fast Charged Particles with Solids, Collected Abstr., Belgorod, Russia, 1996, p.30-31.

[35] “Grazing-incidence x-ray scattering from stepped interfaces in AlAs/GaAs superlattices”, S.A. Stepanov, E.A. Kondrashkina, R. Opitz, M. Schmidbauer, R. Köhler, R. Hey, M. Wassermeier, and D.V. Novikov, Eighth Users Meeting for the Advanced Photon Source, Program and Abstracts, Argonne, IL, USA, (1997), p.24.

[36] “Quality of InxGa1-xP/GaAs interfaces studied by high-resolution diffraction, grazing-incidence x-ray scattering and atomic force microscopy”, E.A. Kondrashkina, U. Zeimer, F. Bugge, M. Nasarek, M. Weyers, S.A. Stepanov, and R. Köhler, 46th Denver X-ray Conference (US X-TOP'97 Symposium), Collected Abstracts, Denver, CO, USA, (1997), p.151.

[37] “The BioCAT undulator beamline facility at the Advanced Photon Source”, R.F. Fischetti, G. Rosenbaum, S. Wang, S. Stepanov, R. Heurich, T.C. Irving, and G.B. Bunker, In: 11th US National Synchrotron Radiation Instrumentation Conference (SRI'99) Collected Abstracts, Stanford, CA, USA, October 13-15 (1999), p.30.

[38] “The BioCAT undulator-based beamline facility for biological x-ray diffraction and spectroscopy at the APS”, R.F. Fischetti, S. Wang, S. Stepanov, R. Heurich, T. Irving, G. Bunker, and G. Rosenbaum, In: 10th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, May 2-4 (2000), p.100.

[39] "X-ray server: novel opportunities for scientific collaboration", S.A. Stepanov, In: X-ray Physics Gordon Research Conference, New London, CT, USA, July 22-27 (2001).

[40] "1s2p RIXS spectroscopy of Ni compounds and proteins", P. Glatzel, U. Bergmann, S. Stepanov, E. Kondrashkina, and S.P. Cramer, In: X-ray Physics Gordon Research Conference, New London, CT, USA, July 22-27 (2001).

[41] "Submicron stabilization of the x-ray beam position on long beamlines", R.F. Fischetti, G. Rosenbaum, R. Heurich, D. Perry, S. Stepanov, and E. Kondrashkina, In: Synchrotron Radiation Instrumentation Conference (SRI-2001) Program & Abstracts, Madisson, WI, USA, August 22-24 (2001), p.IN15-P.

[42] "Overcoming dispersion effects in double-crystal monochromators", S. Stepanov, R.F. Fischetti, E. Kondrashkina, and T. Irving, In: 11th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, Octo-ber 9-11 (2001), p.105.

[43] "X-ray world wide web server: novel opportunities for scientific collaboration", S. Stepanov, In: 11th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, Octo-ber 9-11 (2001), p.106.

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[44] "Fast on-fly scans at the BioCAT beamline", E. Kondrashkina, S. Stepanov, R.F. Fischetti, and T. Irving, In: 11th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, Octo-ber 9-11 (2001), p.107.

[45] "Simulated EPICS drivers at the BioCAT beamline: an easy way to extend EPICS capabilities", E. Kondrashkina, S. Stepanov, and T. Irving, In: 11th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, Octo-ber 9-11 (2001), p.108.

[46] "Submicron stabilization of the x-ray beam position on long beamlines (abstract)", R.F. Fischetti, R. Heurich, D. Perry, S. Stepanov, E. Kondrashkina, and G. Rosenbaum, Rev. Sci. Instrum., v.73, No 3, p.1518, (2002).

[47] "EPICS based software for fast on-fly scans", E. Kondrashkina, S. Stepanov, and R. Fischetti, In: NOBUGG-2002 Conference Program & Abstracts, NIST, Gaithersburg, MD, USA, November 4-6 (2002), Abstract #37.

[48] "Web accessed calculations of x-ray curves", S. Stepanov, In: NOBUGG-2002 Conference Program & Abstracts, NIST, Gaithersburg, MD, USA, November 4-6 (2002), Abstract #38.

[49] "Biological XAFS at the BioCAT 18ID undulator beamline", R.A. Barrea, R. Fischetti, S. Stepanov, G. Rosenbaum, E. Black, D. Gore, R. Heurich, M. Vukonich, E. Kondrashkina, A.J. Kropf, S. Wang, K. Zhang, T.C. Irving, and G.B. Bunker, In: 12th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, April 29 - May 1 (2003), p.75.

[50] "GM/CA CAT - the first beamlines based on the dual-canted undulator design", R.F. Fischetti, J.L. Smith, L.E. Berman, W. Diete, R. Signorato, R. Benn, S. Stepanov, R. Sanishvili, S. Xu, A. Urakhchin, O. Makarov, and W. Smith, In: 12th Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, April 29 - May 1 (2003), p.79-80.

[51] "Biological XAFS at the BioCAT 18ID undulator beamline at the APS", R.A. Barrea, R. Fischetti, S. Stepanov, G. Rosenbaum, E. Kondrashkina, G.B. Bunker, E. Black, K. Zhang, D. Gore, R. Heurich, M. Vukonich, A.J. Kropf, S. Wang, and T.C. Irving, In: 12th International Conference on X-ray Absorption Fine Structure, Malmo, Sweden, June 22-27 (2003), p.212.

[52] "X-ray server status update", S. Stepanov, In: X-ray Physics Gordon Research Conference, Bristol, RI, USA, July 13-18 (2003).

[53] "The BioCAT undulator beamline 18ID: A facility for biological non-crystalline diffraction and x-ray absorption spectroscopy", R.F. Fischetti, S. Stepanov, G. Rosenbaum, R. Barrea, E. Black, D.B. Gore, R. Heurich, E. Kondrashki-na, A.J. Kropf, S. Wang, K. Zhang, T.C. Irving, and G.B. Bunker, In: 8th International Conference on Synchrotron Radiation Instrumentation (SRI-2003) Collected Ab-stracts, San Francisco, CA, USA, August 25-29 (2003), abstract #3501 (p.37).

[54] "Recording the two-dimensional RIXS plane", P. Glatzel, F.M.F. de Groot, U. Bergmann, S.P. Cramer, and S. Stepanov,

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In: 8th International Conference on Synchrotron Radiation Instrumentation (SRI-2003) Collected Ab-stracts, San Francisco, CA, USA, August 25-29 (2003), abstract #4134 (p.80).

[55] "80,000 X-ray experiments: Can the APS beat this number?", S. Stepanov, In: 2004 Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, May 3-6 (2004), p.75.

[56] "EPICS support for Turbo PMAC2 motion controller", O. Makarov and S. Stepanov, In: 2004 Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, May 3-6 (2004), p.75.

[57] "Going closer to the beam center at SAXS measurements by damping slit scattering", E. Kondrashkina and S. Stepanov, In: 2004 Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, May 3-6 (2004), p.76.

[58] "Stabilization of beam position at energy scans by synchronous corrective motions of monochromator and mirror", E. Kondrashkina, R. Barrea, and S. Stepanov, In: 2004 Users Meeting for the Advanced Photon Source Program & Abstracts, Argonne, IL, USA, May 3-6 (2004), p.78.

[59] "GM/CA: A new NIH-funded sector for protein crystallography at the APS will provide two independent undulator beamlines", W.W. Smith, R.F. Fischetti, J.L. Smith, R. Benn, S. Stepanov, S. Xu, A. Urakhchin, O. Makarov, and R. Sanishvili, In: The 2004 American Crystallographic Association Annual Meeting, Collected Abstracts, Chicago, IL, July 17-22 (2004), p. W0078.

[60] "Architecture and highlights of control system for GM/CA CAT macromolecular crystallography beam-lines", S. Stepanov, O. Makarov, A. Urakhchin, U. Schwabe, C. Venkataraman, and R. Pugliese, In: NOBUGS-2004 Conference Program & Abstracts, PSI, Switzerland, October, 18-20 (2004).

[61] "Integrated development environment for creating and executing customized beamline alignment and data collection scripts", E. Kondrashkina, S. Kozyrenko, S. Devarapalli, and S. Stepanov, In: NOBUGS-2004 Conference Program & Abstracts, PSI, Switzerland, October, 18-20 (2004).

[62] "WWW-accessed data analysis with X-ray Server", S. Stepanov, In: NOBUGS-2004 Conference Program & Abstracts, PSI, Switzerland, October, 18-20 (2004).

[63] "EPICS software for Turbo PMAC2 motion controller: Provisions for much faster beamline", O. Makarov and S. Stepanov, In: NOBUGS-2004 Conference Program & Abstracts, PSI, Switzerland, October, 18-20 (2004).

[64] "GM/CA canted undulator beamlines for protein crystallography", R.F. Fischetti, S. Stepanov, S. Xu, O. Makarov, A. Urakhchin, R. Sanishvili, W.W. Smith, D. Yoder, R. Benn, S. Corcoran, S. Devarapalli, W. Diete, M. Schwoerer-Boehing, R. Signorato, L.E. Berman, and J.L. Smith, In: 2005 Users Meeting for the Advanced Photon Source and the Center for Nanoscale Materials, Pro-gram & Abstracts, Argonne, IL, USA, May 2-6 (2005), p.103.

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[65] "Integrated development environment for creating and executing customized beamline alignment and

data collection scripts", E. Kondrashkina, S. Kozyrenko, S. Devarapalli, and S. Stepanov, In: 2005 Users Meeting for the Advanced Photon Source and the Center for Nanoscale Materials, Pro-gram & Abstracts, Argonne, IL, USA, May 2-6 (2005), p.103.

[66] "GM/CA: An NIH-funded dual canted undulator sector for protein crystallography at the APS", W.W. Smith, R.F. Fischetti, J.L. Smith, D. Yoder, R. Benn, S. Stepanov, S. Xu, A. Urakhchin, O. Makarov, S. Devarapalli, and R. Sanishvili, In: The 2005 American Crystallographic Association Annual Meeting, Collected Abstracts, Orlando, FL, May 28 - June 2 (2005), p. W0287.

[67] "New developments at internet-based X-ray server", S. Stepanov, In: X-ray Physics Gordon Research Conference, New London, NH, USA, August 7-12 (2005).

[68] "GM/CA canted undulator beamlines for protein crystallography", R.F. Fischetti, S. Stepanov, S. Xu, O. Makarov, A. Urakhchin, R. Sanishvili, W.W. Smith, D. Yoder, R. Benn, S. Corcoran, S. Devarapalli, W. Diete, M. Schwoerer-Boehing, R. Signorato, L.E. Berman, and J.L. Smith, In: XX Congress of the IUCr, Collected Abstracts, Florence, Italy, August 23-31 (2005); Acta Crystal-logr. A, v.61, p.C139, (2005).

[69] "Internet-based X-ray server", S. Stepanov, In: XX Congress of the IUCr, Collected Abstracts, Florence, Italy, August 23-31 (2005); Acta Crystal-logr. A, v.61, p.C491, (2005).

[70] "Hardware-synchronized on-the-fly scans at GM/CA CAT", S. Stepanov, O. Makarov, E. Kondrashkina, B. Deriy, D. Yoder, S. Devarapalli, S. Corcoran, and R. Fischetti, In: 2006 Users Meeting for the Advanced Photon Source and the Center for Nanoscale Materials, Pro-gram & Abstracts, Argonne, IL, USA, May 1-5 (2006), p.120.

[71] "BLU-ICE implementation at GM/CA CAT", O. Makarov, A. Urakhchin, S. Devarapalli, and S. Stepanov, In: 2006 Users Meeting for the Advanced Photon Source and the Center for Nanoscale Materials, Pro-gram & Abstracts, Argonne, IL, USA, May 1-5 (2006), p.119.

[72] "GM/CA CAT computing infrastructure for fast protein crystallography", S. Devarapalli and S. Stepanov, In: 2006 Users Meeting for the Advanced Photon Source and the Center for Nanoscale Materials, Pro-gram & Abstracts, Argonne, IL, USA, May 1-5 (2006), p.120.

[73] "GM/CA CAT: Three beamlines for protein crystallography at the APS", R.F. Fischetti, M. Becker, R. Benn, S. Corcoran, S. Devarapalli, O. Makarov, S. Rossi, R. Sanishvili, W.W. Smith, S. Stepanov, A.R. Urakhchin, S. Xu, D. Yoder, W. Diete, M. Schwoerer-Boehing, R. Signorato, and J.L. Smith, In: 2006 Users Meeting for the Advanced Photon Source and the Center for Nanoscale Materials, Pro-gram & Abstracts, Argonne, IL, USA, May 1-5 (2006), p.119.

[74] "Optical performance of the 1st hard X-ray canted undulator beamlines for protein crystallography", R.F. Fischetti, S. Xu, D. Yoder, S. Stepanov, O. Makarov, R. Benn, S. Corcoran, W. Diete, M. Schwoer-er-Boehing, R. Signorato, L. Schroeder, and J.L.Smith,

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In: The Ninth International Conference on Synchrotron Radiation Instrumentation (SRI-2006), Collected Abstracts, Daegu, Korea, May 28 - June 3 (2006), p.E2-009.

[75] "Embedding X-ray server into X-ray data analysis techniques", S. Stepanov, In: The Ninth International Conference on Surface X-Ray and Neutron Scattering, Collected Abstracts, Taipei, Taiwan, July 16-20 (2006), p.115

[76] "GM/CA: An NIH-funded dual canted undulator sector for protein crystallography at the APS", W.W. Smith, R.F. Fischetti, J.L. Smith, D. Yoder, R. Benn, S. Stepanov, S. Xu, A.Urakhchin, O.Makarov, S.Devarapalli, S.Corcoran, M.Becker, R.Sanishvili, In: The 2006 Meeting of the American Crystallographic Association, Collected Abstracts, Honolulu, Hawaii, July 22-27 (2006), p. W0349.

[77] "EPICS-based software for the ALS-style sample mounting robot at the GM/CA CAT", O.Makarov, S.Devarapalli, and S.Stepanov, In: NOBUGS-2006 Conference Program & Abstracts, LBL, Berkeley, CA, USA, October, 2-4 (2006), p.29-30.

[78] "GM/CA CAT beamline control system for protein crystallography at the APS", S.Stepanov, O.Makarov, A.Urakhchin, S.Devarapalli, D.Yoder, and R.Fischetti, In: NOBUGS-2006 Conference Program & Abstracts, LBL, Berkeley, CA, USA, October, 2-4 (2006), p.31-32.

[79] "Hardware-synchronized on-the-fly scans at GM/CA CAT beamlines", S.Stepanov, O.Makarov, E.Kondrashkina, B.Deriy, D.Yoder, S.Devarapalli, S.Corcoran, and R.Fischetti, In: NOBUGS-2006 Conference Program & Abstracts, LBL, Berkeley, CA, USA, October, 2-4 (2006), p.32-33.

[80] "Transformation of X-ray Server into WWW-based library with simple API", S.Stepanov, In: NOBUGS-2006 Conference Program & Abstracts, LBL, Berkeley, CA, USA, October, 2-4 (2006), p.33-34.

[81] "User facility at GM/CA-CAT beamlines in Sector 23 of the APS", R.Sanishvili, R.F.Fischetti, M.Becker, R.Benn, S.Corcoran, M.Hilgart, O.Makarov, V.Nagarajan, C.Ogata, W.W.Smith, S.Stepanov, S.Trznadel, S.Hu, D.Yoder, and J.L.Smith, In: Users Week 2007 for APS, CNM, EMC and IPNS, Program & Abstracts, Argonne, IL, USA, May 7-12 (2007), p.140.

[82] "Recent BluIce-EPICS developments at GM/CA-CAT", S.Stepanov, M.Hilgart, and O.Makarov, In: Users Week 2007 for APS, CNM, EMC and IPNS, Program & Abstracts, Argonne, IL, USA, May 7-12 (2007), p.178.

[83] "EPICS-controlled sample mounting robots at GM/CA-CAT", O.Makarov, R.Benn, S.Corcoran, S.Devarapalli, R.Fischetti, M.Hilgart, W.W.Smith, S.Stepanov, and S.Hu, In: Users Week 2007 for APS, CNM, EMC and IPNS, Program & Abstracts, Argonne, IL, USA, May 7-12 (2007), p.179.

[84] "X-ray Server as data analysis library", S.Stepanov, In: X-ray Physics Gordon Research Conference, New London, NH, USA, August 5-9 (2007).

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[85] "Automated X-ray focusing using Kirkpatrick-Baez bimorph mirrors", D.Yoder, S.Stepanov, R.Signorato, and R.Fischetti, In: Users Week 2008 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 5-8 (2008), p.98.

[86] "GMCA-CAT beamline controls for macromolecular crystallography: Gaining maturity", S.Stepanov, M.Hilgart, O.Makarov, and S.Pothineni, In: Users Week 2008 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 5-8 (2008), p.106-107.

[87] "User-friendly micro-diffraction capabilities at GMCA-CAT", V.Nagarajan, M.Hilgart, S.Pothineni, S.Xu, S.Stepanov, M.Becker, O.Makarov, N.Sanishvilli, C.Ogata, and R.F.Fischetti, In: Users Week 2008 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 5-8 (2008), p.107-108.

[88] "Remote data fitting at X-ray Server", S.Stepanov and R.Forrest, In: NOBUGG-2008 Conference Program & Abstracts, ANSTO, Sydney, Australia, November 3-5 (2008), p.40.

[89] "Status of BluIce-EPICS beamline control system for macromolecular crystallography", S.Stepanov, O.Makarov, M.Hilgart, S.B.Pothineni, D.Yoder, N.Venugopalan, and R.Fischetti, In: NOBUGG-2008 Conference Program & Abstracts, ANSTO, Sydney, Australia, November 3-5 (2008), p.45.

[90] "Integration of sample automounters at GMCA CAT protein crystallography beamlines", O.Makarov, R.Benn, S.Corcoran, R.Fischetti, M.Hilgart, C.Ogata, S.Pothineni, S.Stepanov, and S.Xu, In: NOBUGG-2008 Conference Program & Abstracts, ANSTO, Sydney, Australia, November 3-5 (2008), p.46.

[91] "Finding Gems in Low-Quality Crystalline Proteins with an X-ray Mini-Beam", Janet L. Smith, Jennifer Jerret, Shenglan Hu, Derek W. Yoder, Oleg Makarov, Mark C. Hilgart, Sergey Stepanov, Sudhir Pothineni, Stephen Corcoran, Venugopalan Nagarajan, Craig Ogata, Ruslan Sanishvili, Michael Becker and Robert F. Fischetti, In: Users Week 2009 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 4-6, (2009), p.13.

[92] "Diffraction/fluorescence rastering and automated on-the-fly fluorescence scanning at GM/CA CAT", M.C. Hilgart, S. Stepanov, R. Sanishvili, N. Venugopalan, D. Yoder and R. Fischetti, In: Users Week 2009 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 4-6, (2009), p.51.

[93] "GM/CA-CAT tools for remote controls: Automated screening, robotic sample changer, WebIce, beam alignment and crystal centering software", S. Pothineni, O. Makarov, N. Venugopalan, C. Ogata, M. Hilgart, S. Stepanov and R. Fischetti, In: Users Week 2009 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 4-6, (2009), p.53.

[94] "Microcrystallography developments at GM/CA-CAT", R.F. Fischetti, D. Yoder, S. Xu, R. Benn, O. Makarov, S. Stepanov, S. Corcoran, N. Sanishvili, S. Vogt, M. Hilgart, S. Pothineni, V. Nagarajan, M. Becker, C. Ogata and J.L. Smith, In: Users Week 2009 for APS, CNM, and EMC, Program & Abstracts, Argonne, IL, USA, May 4-6, (2009), p.69.

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[95] "Remote fitting of dynamical X-ray diffraction at X-ray Server", S.Stepanov and R.Forrest, In: X-ray Science Gordon Research Conference, Waterville, ME, USA, August 2-7, (2009).

[96] "Probing radiation damage in protein crystals with micron-sized x-ray beam", R.Sanishvili, D.Yoder, S.Pothineni, J.L.Smith, G.Rosenbaum, S.Xu, O.Makarov, S.Stepanov, S.Vogt, and R.F.Fischetti, In: The 6th International Workshop on X-ray Radiation Damage to Biological Crystalline Samples, SSRL, Stanford, CA, March 11-13, (2010).

[97] "Probing radiation damage in protein crystals with micron-sized X-ray beam", R.Sanishvili, D.Yoder, S.Pothineni, J.L.Smith, G.Rosenbaum, S.Xu, O.Makarov, S.Stepanov, S.Vogt, and R.F.Fischetti, In: 2010 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 3-5, (2010), p.A29.

[98] "Latest BluIce-EPICS developments including collection along a vector", M.C.Hilgart, C.Ogata, S.Pothineni, S.Stepanov, and R.F.Fischetti, In: 2010 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 3-5, (2010), p.A46.

[99] "Micro-beam macromolecular crystallography and reduced radiation damage", R.F.Fischetti, M.Becker, S.Corcoran, M.Hilgart, O.Makarov, V.Nagarajan, C.Ogata, S.Pothineni, G.Rosenbaum, R.Sanishvili, S.Stepanov, S.Vogt, S.Xu, D.W.Yoder, and J.L.Smith. In: ISDSB 2010, 3rd International Symposium on Diffraction Structural Biology. Paris-Sud/XI Universi-ty, Orsay, France. May 25-28th, (2010).

[100] "Reduced Radiation Damage In Protein Crystals With Micron-Sized X-Ray Beams", R.F.Fischetti, R.Sanishvili, D.Yoder, S.Pothineni, J.L.Smith, G.Rosenbaum, S.Xu, O.Makarov, S.Stepanov, V.Nagarajan, and S.Vogt, In: 2010 ACA Annual Meeting Abstracts, Chicago, IL, USA, July 24-29, (2010), No.07.04.6.

[101] "BLUICE-EPICS: a modern control system with classical look for macromolecular crystallography at the Advanced Photon Source", S.Stepanov, O.Makarov, M.Hilgart, S.Pothineni, D.Yoder, M.Becker, C.Ogata, R.Sanishvili, N.Venugopalan, J.Smith, and R.Fischetti, In: 2010 ACA Annual Meeting Abstracts, Chicago, IL, USA, July 24-29, (2010), No.M-157.

[102] "Automated crystal centering implementation at GM/CA beamlines at the Advanced Photon Source using XREC", S.B.Pothineni, D.Watts, S.Stepanov, M.Hilgart, N.Venugopalan, R.Sanishvili, C.Ogata, J.Smith, V.Lamzin, and R.Fischetti, In: 2010 ACA Annual Meeting Abstracts, Chicago, IL, USA, July 24-29, (2010), No.M-169.

[103] "Capabilities at GM/CA CAT Beam Lines at the APS", N.Venugopalan, M.Becker, S.Corcoran, M.Hilgart, O.Makarov, C.Ogata, S.B.Pothineni, R.Sanishvili, S.Stepanov, S.Xu, D.Yoder, J.Smith, and R.Fischetti, In: 2010 ACA Annual Meeting Abstracts, Chicago, IL, USA, July 24-29, (2010), No.T-215.

[104] "Bimorph mirrors for macromolecular crystallography at GM/CA-CAT at the APS", D.W.Yoder, S.Stepanov, R.Signorato, and R.Fischetti, In: 2010 SPIE Optics+Photonics 2010 Meeting Abstracts, San Diego, CA, USA, August 1-5, (2010), No.78203-25.

[105] "'Invisible' crystals: strategies for locating, centring and collecting data using micrometre-sized X-ray beams", D.Aragão, M.Becker, D.Li, M.Hilgart, J.Lyons, D.Yoder, S.Stepanov, R.Fischetti, and M.Caffrey, In: The 13th International Conference on the Crystallization of Biological Macromolecules (ICCBM13),

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Collected Abstracts, Dublin, Ireland, September 12-15, (2010), p.40.

[106] "Direct Observation of Reduced Radiation Damage with Micron-Sized X-ray Beams in Protein Crys-tals", R.F.Fischetti, R.Sanishvili, D.Yoder, S.Pothineni, J.L.Smith, G.Rosenbaum, S.Xu, O.Makarov, S.Stepanov, V.Nagarajan, and S.Vogt, In: The 16th Pan-American Synchrotron Radiation Instrumentation Conference (SRI-2010), Collected Abstracts, Argonne, IL, September 21-24, (2010).

[107] "Lessons and solutions learned from marrying BluIce and EPICS", S. Stepanov, O.Makarov, M.Hilgart, S.B.Pothineni, D.Yoder, and R.Fischetti, In: NOBUGS-2010 Conference Program & Abstracts, Gatlinburg, TN, October, 9-13, (2010).

[108] "JBluIce-EPICS: A New GUI for Macromolecular Crystallography at the Advanced Photon Source", M.Hilgart, S.B.Pothineni, S. Stepanov, O.Makarov, N.Venugopalan, M.Becker, R.Sanishvili, C.Ogata, D.Yoder, and R.Fischetti, In: NOBUGS-2010 Conference Program & Abstracts, Gatlinburg, TN, October, 9-13, (2010).

[109] "LS-CAT: Four Beamlines at One APS Sector Utilizing Motion Controls based on EPICS and PMAC", E.Kondrashkina, O.Makarov, S. Stepanov, J.Brunzelle, and K.Brister, In: NOBUGS-2010 Conference Program & Abstracts, Gatlinburg, TN, October, 9-13, (2010).

[110] "Radiation damage to protein crystals is reduced with a micronsized X-ray beam", R.F.Fischetti, R.Sanishvili, D.Yoder, S.Podhineni, G.Rosenbaum, S.Xu, O.Makarov, S.Stepanov, V.Nagarajan, S.Vogt, and J.L.Smith, In: XXII Congress of the IUCr, Collected Abstracts, Madrid, Spain, August 22-30, (2011); Acta Crystal-logr., v.A67, p.C158, (2011).

[111] "JBluIce-EPICS beamline control system for macromolecular crystallography", S.Stepanov, M.Hilgart, O.Makarov, S.Podhineni, D.Yoder, M.Becker, C.Ogata, R.Sanishvili, V.Nagarajan, J.L.Smith, and R.F.Fischetti, In: XXII Congress of the IUCr, Collected Abstracts, Madrid, Spain, August 22-30, (2011); Acta Crystal-logr., v.A67, p.C277, (2011).

[112] "Automation and remote control at GM/CA CAT at the APS", C.Ogata, R.Sanishvili, M.Hilgart, S.Stepanov, M.Becker, V.Nagarajan, S.Xu, O.Makarov, S.Podhineni, D.Yoder, S.Corcoran, J.L.Smith, and R.F.Fischetti, In: XXII Congress of the IUCr, Collected Abstracts, Madrid, Spain, August 22-30, (2011); Acta Crystal-logr., v.A67, p.C279, (2011).

[113] "Finding and Keeping Small Crystals in the Beam", M.Becker, C.Ogata, S.Corcoran, D.W.Yoder, S.Stepanov, M.Hilgart, O.Makarov, R.Sanishvili, S.Xu, D.Ferguson, N.Venugopalan, C.Dettmar, S.Toth, J.Madden, D.J.Kissick, G.J.Simpson, J.L.Smith, and R.F.Fischetti, In: 2012 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 7-9, (2012), p.92

[114] "How Fast Does A Body Expand, If Heated Instantaneously?", S.Stoupin, A.M.March, H.Wen, D.A.Walko, Y.Li, E.M.Dufresne, S.Stepanov, K.-J. Kim, Yu. Shvydko, V.D.Blank, and S.A.Terentyev, In: 2012 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 7-9, (2012), p.103

[115] "EPICS support for Ethernet Version of Turbo PMAC2 Motion Controllers", O.Makarov, S.Stepanov, M.Clift, and R.Fischetti, In: 2012 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 7-9, (2012), p.112

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[116] "JBluIce-EPICS: a fast and flexible open-source beamline control system for macromolecular crystallo-graphy", S.A.Stepanov, M.Hilgart, O.Makarov, S.B.Pothineni, D.Yoder, C.Ogata, R.Sanishvili, N.Venugopalan, J.L.Smith, and R.F.Fischetti, In: The 11th International Conference on Synchrotron Radiation Instrumentation (SRI-2012), Collected Abstracts, Lyon, France, July 9-13, (2012), p.TU-A-C-09.

[117] "X-Ray Server as online resource for x-ray optics modeling", S.A.Stepanov, In: The 11th International Conference on Synchrotron Radiation Instrumentation (SRI-2012), Collected Abstracts, Lyon, France, July 9-13, (2012), p.TH-P-P-06.

[118] "Toward Lights-out Operation and Full Hardware Simulation in JBluIce-EPICS", M.Hilgart, R.Sanishvili, S.Pothineni, S.Stepanov, N.Venugopalan, M.Becker, C.Ogata, and R.F.Fischetti, In: NOBUGS-2012 Conference Program & Abstracts, Rutherford Appleton Laboratory, UK, September, 24-26, (2012).

[119] "EPICS support for Ethernet version of Turbo PMAC2 motion controllers", O.Makarov, S.Stepanov, M.Clift, and R.Fischetti, In: NOBUGS-2012 Conference Program & Abstracts, Rutherford Appleton Laboratory, UK, September, 24-26, (2012).

[120] "Update on SONICC Implementation at GM/CA at APS", M.Becker, C.M.Dettmar, J.T.Madden, S.J.Toth, J.A.Newman, S.Stepanov, R.A.Oglesbee, H.Hedderich, R.M.Everly, O.Makarov, S.Xu, D.Ferguson, V.Cherezov, S.Buchanan, R.Fischetti, and G.J.Simpson, In: 2013 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 6-9, (2013), p.113.

[121] "Data Collection Strategy and Data Processing in JBluIce-EPICS", S.B.Pothineni, N.Venugopalan, C.M.Ogata, M.C.Hilgart, S.Stepanov, R.Sanishvilli, M.Becker, J.L.Smith, and R.F.Fischetti, In: 2013 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 6-9, (2013), p.116.

[122] Mini-beam Data-Collection Tools in GMCA's GUI (JBluIce)", C.Ogata , M.Hilgart, S.B.Pothineni, V.Nagarajan, R.Sanishvili, M.Becker, O.Makarov, S.Stepanov, J.L.Smith, R.F.Fischetti, In: 2013 ACA Annual Meeting Abstracts, Honolulu, Hawaii, USA, July 20-24, (2013), No.11.01.9

[123] "Robust tools for successful membrane protein data collection", N.Venugopalan , R.Sanishvili, M.Hilgart, S.B.Pothineni, C.Ogata, S.Stepanov, M.Becker, O.Makarov, and J.Smith, R.Fischetti In: 2013 ACA Annual Meeting Abstracts, Honolulu, Hawaii, USA, July 20-24, (2013), No.13.12.3

[124] "SONICC implementation at GM/CA@APS" M.Becker, C.M.Dettmar, J.T.Madden, S.J.Toth, J.A.Newman, S.Stepanov, R.A.Oglesbee, H.Hedderich, R.M.Everly, O.Makarov, S.Xu, D.Ferguson, V.Cherezov, S.Buchanan, R.Fischetti, and G.J.Simpson, In: 2013 ACA Annual Meeting Abstracts, Honolulu, Hawaii, USA, July 20-24, (2013), No.11.00.8

[125] "Mini-beam tools and applications for protein crystallography at GMCA", C.Ogata, R.Sanishvili, M.Hilgart, S.B.Pothineni, V.Nagarajan, M.Becker, O.Makarov, S.Stepanov, S.Xu, J.L.Smith, and R.F.Fischetti, In: 11th International Conference on Biology and Synchrotron Radiation (BSR) Program & Abstracts, Hamburg, Germany, September 8-11, (2013) p.209.

[126] "JBluIce-EPICS control system for macromolecular crystallography: latest developments and getting

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ready to shutterless data collection and microbeam", S.Stepanov, O.Makarov, M.Hilgart, S.B.Pothineni, C.Ogata, R.Sanishvili, N.Venugopalan, M.Becker, J.L.Smith, and R.F.Fischetti, In: 11th International Conference on Biology and Synchrotron Radiation (BSR) Program & Abstracts, Hamburg, Germany, September 8-11, (2013) p.224

[127] "High Brightness Beam for Microcrystallography at GM/CA@APS", R.Fischetti, S.Xu, O.Makarov, S.Stepanov, C.Ogata, R.Sanisivili, N.Venugopalan, M.Becker, and J.Smith, In: 2014 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 12-15, (2014), p.110.

[128] "Double-crystal Monochromator Stabilization of Micro-collimated Beams Using Phase-sensitive Intensi-ty Feedback", S.Zohar, N.Venugopalan, S.Corcoran, S.Stepanov, O.Makarov, and R.Fischetti, In: 2014 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 12-15, (2014), p.121.

[129] "Towards User Operations of SONICC at GM/CA@APS", M.Becker, S.Stepanov, C.Dettmar, S.Toth, J.Newman, R.Fischetti, and G.Simpson, In: XXIII Congress of the IUCr, Collected Abstracts, Montreal, Canada, August 5-12, (2014); Acta Crys-tallogr., v.A70, (2014) p.C322.

[130] "High Brightness Beam for Microcrystallography at GM/CA@APS", R.Fischetti, S.Xu, O.Makarov, S.Stepanov, C.Ogata, R.Sanisivili, N.Venugopalan, M.Becker, and J.Smith, In: XXIII Congress of the IUCr, Collected Abstracts, Montreal, Canada, August 5-12, (2014); Acta Crys-tallogr., v.A70, (2014) p.C328.

[131] "Integration and first data with a Pilatus3 6M at APS beamline 23ID-D", R.Sanishvili, O.Makarov, M.Hilgart, S.B.Pothineni, S.Stepanov, V.Nagarajan, C.Ogata, C.Schulze-Briese, R.Fischetti, and J.Smith, In: XXIII Congress of the IUCr, Collected Abstracts, Montreal, Canada, August 5-12, (2014); Acta Crys-tallogr., v.A70, (2014) p.C691.

[132] "Remote Access Capabilities at the GM/CA Beamlines at the APS", C.Ogata, S.Stepanov, S.Pothineni, M.Hilgart, R.Sanishvili,V. Nagarajan, M.Becker, O.Makarov, J.Smith, and R.Fischetti, In: XXIII Congress of the IUCr, Collected Abstracts, Montreal, Canada, August 5-12, (2014); Acta Crys-tallogr., v.A70, p.C784.

[133] "Near-Realtime Statistics and Distributed Analysis for High Speed X-Ray Diffraction Data Acquisition", M.C.Hilgart, S.Pothineni, S.Stepanov, O.Makarov, C.Ogata, N.Venugopalan, R.Sanishvili, and R.F.Fischetti, In: NOBUGS-2014 Conference Program & Abstracts, Tsukuba, Japan, September 24-26, (2014).

[134] “SONICC Implementation at GM/CA-beamline 23IDB at the APS”, M.Becker, S.Stepanov, J.A.Newman, S.Sullivan, R.M.Everly, C.M.Dettmar, S.J.Toth, P.D.Schmitt, S.Corcoran, D.Ferguson1, R.F.Fischetti, and G.J.Simpson, In: 2015 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 11-14, (2015), p.79.

[135] “Rapid in situ X-ray Position Stabilization via Extremum Seeking Feedback”, S.Zohar, N.Venugopalan, S.Corcoran, S.Stepanov, O.Makarov, and R.Fischetti, In: 2015 APS/EMC Users Meeting Program & Abstracts, Argonne, IL, USA, May 11-14, (2015), p.98.

[136] “In Situ X-ray Position Stabilization via Extremum Seeking Feedback”, S.Zohar, N.Venugopalan, O.Makarov, S.Stepanov, R.Fischetti

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In: 12th Internat. Conf. Synch. Rad. Instrum. (SRI-2015) Abstracts, New York City, July 6-10, (2015) p.255.

[137] “JBluIce-EPICS control system for macromolecular crystallography: progress report”, S.Stepanov, M.Hilgart, O.Makarov, S.Pothineni, M.Becker, C.Ogata, R.Sanishvili, N.Venugopalan, J.L.Smith, and R.Fischetti, In: 12th Internat. Conf. Synch. Rad. Instrum. (SRI-2015) Abstracts, New York City, July 6-10, (2015) p.275.

[138] “Automated beamline setup and alignment at the GM/CA macromolecular crystallography facility at the APS”, S.Stepanov, O.Makarov, N.Venugopalan, S.Zohar, and R.F.Fischetti, In: 12th Internat. Conf. Synch. Rad. Instrum. (SRI-2015) Abstracts, New York City, July 6-10, (2015) p.276.

[139] “Systematic Multi-Crystal Data Collection and Processing in JBluIce”, S Pothineni, N.Venugopalan, C.M.Ogata, M.C.Hilgart, S.Stepanov, R.Sanishvili, M.Becker, J.L.Smith, and R.F.Fischetti, In: 2015 ACA Annual Meeting Program and Abstract Book, Philadelphia, July 25-29, (2015) p.M12.

[140] “Intensity Enhancement and Background reduction at GM/CA@APS”, N.Venugopalan, S.Xu, S.Corcoran, D.Ferguson, S.Stepanov, S.Zohar, and R.F.Fischetti, In: 2015 ACA Annual Meeting Program and Abstract Book, Philadelphia, July 25-29, (2015) p.T25.

[141] “SONICC implementation at GM/CA-beamline 23IDB at the Advanced Photon Source”, M.Becker, S.Stepanov, J.A.Newman, S.Sullivan, R.M.Everly, C.M.Dettmar, S.J.Toth, P.D.Schmitt, S.Corcoran, D.Ferguson, R.F Fischetti, and G.J.Simpson, In: 29th European Crystallographic Meeting (ECM-29), Rovinj, Croatia, August 23-28, (2015); Acta Crystallogr., v.A71, p.s185, (2015).

[142] "Dual Pinhole Mini-beam collimator provides lower background", N.Venugopalan, S.Xu, O.Makarov, D.Kissick, S.Stepanov, and R.F.Fischetti, In: 2016 ACA Annual Meeting Program and Abstract Book, Denver, July 22-26, (2016) p.130-MO.

[143] "Towards user operations of the SONICC system at GM/CA@APS beamline 23ID-B at the Advanced Photon Source", M. Becker, S.Stepanov, J.Newman, S.Zhang, X.Y.Dow, G.J.Simpson, and R.F.Fischetti, In: 12th International Conference on Biology and Synchrotron Radiation (BSR) Program & Abstracts, Menlo Park, August 21-24, (2016) p.28.

[144] "Serial Millisecond Crystallography of Microcrystals at the Advanced Photon Source", R.F.Fischetti, J.Martin-Garcia, N.Zatsepin, G.Ketawala, L.Zhu, G.Subramanian, G.Nelson, D.James, A.Schaffer, A.Ishchenko, C.Ogata, N.Venugopalan, D.Kissick, M.Hilgart, S.Stepanov, S.Xu, V.Cherezov, U.Weierstall, W.Liu, P.Fromme, and J.Spence, In: 12th International Conference on Biology and Synchrotron Radiation (BSR) Program & Abstracts, Menlo Park, August 21-24, (2016) p.46.

[145] "Integration of fast detectors into beamline controls at GM/CA@APS: Pilatus3 6M and Eiger 16M", S.Stepanov, O.Makarov, M.Hilgart, S.B.Pothineni, J.Zurawski, J.L.Smith, and R.F.Fischetti, In: 12th International Conference on Biology and Synchrotron Radiation (BSR) Program & Abstracts, Menlo Park, August 21-24, (2016) p.124.

[146] “Integration of fast detectors into beamline controls at the GM/CA macromolecular crystallography beamlines at the Advanced Photon Source”, S.Stepanov, O.Makarov, M.Hilgart, S.B.Pothineni, J.Zurawski, J.L.Smith, and R.F.Fischetti,

November 20, 2018

In: NOBUGS-2016 Conference Program & Abstracts, Copenhagen University, DK, October, 16-19, (2016) p.12.

[147] “Mechanical design of new dual pinhole mini-beam collimator with motorized pitch and yaw adjuster provides lower background for X-ray crystallography at GMCA@APS”, S.Xu, N.Venugopalan, O.Makarov, S.Stepanov, and R.F.Fischetti, In: MEDSI-2016, 9th Conference on Mechanical Engineering Design of Synchrotron Radiation Equip-ment and Instrumentation, Barcelona, Spain, September 11-16 (2016) p.85.

[148] “Eiger-related development at GM/CA@APS”, M.Hilgart, S.Stepanov, O.Makarov, Q.Xu, N.Venugopalan, R.Sanishvili, M.Becker, C.Ogata, and R.F.Fischetti, In the 4th High Data-Rate Macromolecular Crystallography (HDRMX) Meeting, MAX IV Laboratory, Lund, Sweden, March 13-15 (2017).

[149] "High-impact structural biology enabled by the GM/CA@APS X-ray crystallography user facility at the Advanced Photon Source", M.Becker, S.Corcoran, D.Ferguson, M.Hilgart, D.Kissick, O.Makarov, C.Ogata, R.Sanishvili, S.Stepanov, S.Trznadel, N.Venugopalan, Q.Xu, S.Xu, R.Fischetti, and J.Smith In: The 2017 Understanding Biology Through Structure Meeting, Santa Fe, NM, May 13-17, (2017).

[150] "Beamline and Experiment Automations for the General Medical Sciences and Cancer Institutes Struc-tural Biology Facility at the Advanced Photon Source (GM/CA@APS)", S.Stepanov, O.Makarov, M.Hilgart, Q.Xu, J.L.Smith, and R.F.Fischetti, In: The 16th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), Barcelona, Spain, October 8-13 (2017) p.125-126.

[151] "Recent developments and future of the GM/CA@APS X-ray crystallography user facility at the Ad-vanced Photon Source", M.Becker, S.Corcoran, D.Ferguson, M.Hilgart, D.Kissick, O.Makarov, C.Ogata, R.Sanishvili, S.Stepanov, N.Venugopalan, Q.Xu, S.Xu, R.F.Fischetti, and J.L.Smith, In: The 68th Annual Meeting of the American Crystallographic Association, Toronto, Canada, July 20-24 (2018).

[152] "StreamWriter: A CBF Image Writer for the Eiger", M.C.Hilgart, O.Makarov, S.Stepanov, Q.Xu, M.Becker, N.Venugopalan, R.Sanishvili, C.M.Ogata, and R.F. Fischetti, In: NOBUGS-2018 Conference Program & Abstracts, Brookhaven National Laboratory, Upton, NY, October 22-26 (2018).