期刊
JOURNAL OF SEPARATION SCIENCE
卷 27, 期 10-11, 页码 828-836出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.200401836
关键词
supermacroporous polyacrylamide; monolith; reproducibility; residual monomer
Supermacroporous monolithic polyacrylamide (pAAm)-based columns have been prepared by radical cryo-copolymerization (copolymerization in the moderately frozen system) of acrylamide with functional co-monomer, allyl glycidyl ether (AGE), and cross-linker NN'-methylene-bis-acrylamide (MBAAm) directly in glass columns (ID 10 mm). The monolithic columns have uniform supermacroporous sponge-like structure with interconnected supermacropores of pore size 5-100 mum. The monoliths can be dried and stored in the dry state. High mechanical stability of the monoliths allowed sterilization by autoclaving. Column-to-column reproducibility of pAAm-monoliths was demonstrated on 5 monolithic columns from different batches prepared under the same cryostructuration conditions.
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