Acrylic acid (99%), N,N,N',N'-Tetramethylethylenediamine (TEMED, 99%), glycidyl methacrylate (GMA, 97%) and 3-(4,5-dimethyl-2-thiazoyl)-2,5-diphenyl tetrazolium bromide (MTT, 98%) were purchased from Alfa Aesar. 1,2-ethylenediamine (EDA, 98%), 2, 2'azodiisobutyronitrile (AIBN, 99%), methyl methacrylate (MMA, 99%) and ammonium persulfate (APS, 98%) were obtained from GuangFu Technology Development Co., Ltd. N-isopropylacrylamide, (NIPAM, 97%), polyethylene glycol diacrylate (PEGDA, Mn = 575),

more »

... EGDA, Mn = 575), Oligo(ethylene glycol) methacrylate (OEGMA, 99%) were purchased from Sigma Aldrich. Quinine sulfate (98%, suitable for fluorescence), Fluorescein (Standard Fluka) were supplied by Fluka. All other reagents were of analytical grades and used without further purification.