SupportingInformation

TuningthePropertiesofInjectablePoly(OligoethyleneGlycolMethacrylate)HydrogelsbyControllingPrecursorPolymerMolecularWeightIvanUroseva,EmiliaBakaicb,RichardJAlsopc,MaikelC.RheinstädtercandTodd

Hoarea,b*

–––––––––

I.Urosev,E.Bakaic,R.J.Alsop,Dr.M.C.Rheinstädter,Dr.T.HoareaSchoolofBiomedicalEngineering,bDepartmentofChemicalEngineering,cDepartmentofPhysicsandAstronomyMcMasterUniversity,1280MainSt.W.Hamilton,ONL8S4L8,CanadaE-mail:hoaretr@mcmaster.ca –––––––––

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry B.This journal is © The Royal Society of Chemistry 2016

FigureS1.1HNMRofPOH15.9(A)andPOA15.0(B)inDMSOat600MHz.

FigureS2.1HNMRofunfunctionalizedPOEGMA-co-MAAinDMSOat600MHz.

FigureS3.ScatteringintensitiesasafunctionofqforPOH6.7/POA15.9(A),POH9.3/POA15.9(B),POH11.6/POA15.9(C),andPOH15.0/POA15.9(D)at20°C.TheOrnstein-Zernike(OZ)–squaredLorentzian(SL)fitsofthescatteringintensitiesareshownasredsolidlines,whiletherawSANSdataisshownasblackpoints.

Figure S4. Fluorescence readings ofwells containing resazurin (10μg/ml) +DMEM+oneof:POH6.7(blue),POH9.3(grey),POH11.6(green),POH15.9(red)andPOA15.0(purple)atconcentrations ranging from 0.2 – 2 mg ml-1 as a proportion of the fluorescencereadingsfromcontrolwellscontainingonlycells,DMEM,andresazurin.