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1 Illanes, A., "Synthesis of ceph-alexin in ethylene glycol with glyoxyl-agarose immobilised penicillin acylase: Temperature and pH optimisation" 39 : 111-117, 2003
2 Song, J. B., "Studies on immobilization of penicillin acylase to chitosan as larrier" 2 : 14-, 2004
3 Miao, S., "Preparation of a novel thermo-response copolymer forming recyclable aqueous two-phase system and its application in bioconversion of Penicillin G" 75 : 156-164, 2010
4 Wang, W., "Preparation of a novel light-response copolymer and its application in recycling aqueous two-phase systems" 1205 : 171-176, 2008
5 Terreni, M., "Penicillin G acylase catalyzed acylation of 7-ACA in aqueous two-phase systems using kinetically and thermodynamically controlled strategies:Improved enzymatic synthesis of 7-[(1-hydroxy-1-phenyl)-aceta-mido]-3-acetoxymethyl-∆-3-cephem-4-carboxylic acid" 36 : 672-679, 2005
6 Aguirrea, C., "Partition and substrate concentration effect in the enzymatic synthesis of cephalexin in aqueous two-phase systems" 45 : 1163-1167, 2010
7 Schluck, A., "Influence of electrostatic interactions on partitioning in aqueous polyethylene glycol/dextran biphasic systems" 46 : 443-451, 1995
8 Barber, M. S., "Industrial enzymatic production of Cephalosporin-Based β-Lactams" 88 : 179-215, 2004
9 Zijlstra, G. M., "Extractive bioconversions in aqueous two-phase systems" 9 : 171-176, 1998
10 Wei, D. Z., "Enzymatic synthesis of cephalexin in aqueous two-phase systems" 11 : 95-99, 2002
11 van-Langen, L. M., "Enzymatic synthesis of beta-lactam antibiotics using penicillin-G acylase in frozen media" 456 : 89-92, 1999
12 Aguirre, C., "Effect of cosolvent and pH on the kinetically controlled synthesis of cephalexin with immobilised penicillin acylase" 38 : 351-360, 2002
13 Pfennig, A., "Consistent view of electrolytes in aqueous two-phase systems" 711 : 45-52, 1998
14 Bhargava, S., "Cefprozil: A review" 70 : 395-400, 2003
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16 Liu, J. J., "Biodegradation of cellulose in novel recyclable aqueous two-phase systems with water-soluble immobilized cellulose" 47 : 1998-2004, 2012
17 Li, H., "Bioconversion of Cephalosporin-G to 7-ADCA in a pH-thermo sensitive recycling aqueous two-phase systems" 46 : 1753-1758, 2011
18 Hatti-Kaul, R., "Aqueous two-phase systems" 19 : 269-277, 2001
19 Fung-Tomc, J. C., "Antibacterial activities of cefprozil compared with those of 13 oral cephems and 3 macrolides" 39 : 533-538, 1995
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21 Gong, X., "Alcaligenes faecalis peni-cillin G acylase-catalyzed enantioselective acylation of dl-pheny-lalanine and derivatives in aqueous medium" 52 : 5398-5402, 2011