supporting information matchem silica jan2013 · supporting information: “directed formation of...

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Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew J. Oyer, Gina E. Macek, Jennifer L. Bento, and Douglas H. Adamson Polymer characterization included both GPC and NMR. Examples of each are included below. SI 1. Thermal Gravimetric Analysis was obtained using a TA Instruments 2950. Electronic Supplementary Material (ESI) for Journal of Materials Chemistry B This journal is © The Royal Society of Chemistry 2013

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Page 1: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

SupportingInformation:

“Directed Formation of Silica by a Non-Polypeptide Block

Copolymer Enzyme Mimic”

ChetanC.Hire,AndrewJ.Oyer,GinaE.Macek,JenniferL.Bento,andDouglasH.

Adamson

PolymercharacterizationincludedbothGPCandNMR.Examplesofeachareincludedbelow.SI1.

ThermalGravimetricAnalysiswasobtainedusingaTAInstruments2950.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013

Page 2: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

SI2.

SolidstateNMRofsilicaformedbybio‐mimeticblockcopolymer.Thesilicon‐29(29Si)solid‐statemagicanglespinning(MAS)nuclearmagneticresonancespectrawasacquiredusingaBrukerAscend400WBspectrometeroperatingat79.42MHz.A29SiNMRMASspectrumwasobtainedusingasingle45°rfpulse(3.5μs)separatedby120srecycledelays.Thespectralwidthwas30kHz,andatotalof3000scanswereacquired.Thespinningratewas5kHzatroomtemperatureusinga4mmrotor.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013

Page 3: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

SI3.

TEMimageofsilicaspherefragmentindicatingamorphoussilica.TheimageswereobtainedbyuseofaJEOL2010FasTEM.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013

Page 4: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

SI4SAXSanalysiswasperformedinthelaboratoryofProf.RickRegisteratPrincetonUniversity.TheinhousesystemconsistsofaPANalyticalPW3830(sealedtube)x‐raygeneratoremployingalongfinefocusCux‐raytube.TothisiscoupledaKratkycameramadebyAnton‐Paar,Graz,Austria.Thecameraisconnectedtoaone‐dimensionalposition‐sensitivedetector(BraunOED‐50M)whichisthenconnectedtoaPCmultichannelanalyzer(TennelecNucleusPCA‐II).Thefiguresbelowaretheresultsofanalysisofsilicaprecipitateshowntobespheresofapproximately100nminsizebyTEM.Duetostrongscattering,itwasnotpossibletoobtaindatabelowaboutq=0.4nm‐1.Noevidenceofinternalmicrostructurewasobserved,althoughthepossibilityexiststhatitismaskedbystrongparticlescattering.

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S10219h=samplevial2.1;channelsbelow~150weremaskedbyleadtapeE0219h2=emptyw/2piecesofKaptontape

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013

Page 5: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

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S20219h=samplevial2.1.2;channelsbelow~150weremaskedbyleadtapeE0219h2=emptyw/2piecesofKaptontape

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013

Page 6: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

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Bluepoints=non‐smootheddata

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013

Page 7: Supporting Information MatChem Silica Jan2013 · Supporting Information: “Directed Formation of Silica by a Non-Polypeptide Block Copolymer Enzyme Mimic” Chetan C. Hire, Andrew

SI5.

EDAXoftypicalsilicaprecipitatefrommimicpolymersolution.Topleftissilicon,toprightiscarbonfromthecarbontapeusedtosecurethesamples,andthebottomimageisofoxygen.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry BThis journal is © The Royal Society of Chemistry 2013