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Merck

Improved biotransformations on charged PEGA supports.

Chemical communications (Cambridge, England) (2003-06-18)
Alessandra Basso, Luigi De Martin, Lucia Gardossi, Graham Margetts, Ian Brazendale, Annie Y Bosma, Rein V Ulijn, Sabine L Flitsch
ABSTRACT

PEGA supports functionalised with permanent charges show superior swelling properties in aqueous media when compared to neutral PEGA; a novel positively charged PEGA resin significantly improves penicillin G amidase (PGA) catalysed biotransformation on solid support, by favouring accessibility of the negatively charged enzyme.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Poly(ethylene glycol) bis(amine), Mw 20,000
Sigma-Aldrich
Poly(ethylene glycol) bis(amine), Mw 3,000
Sigma-Aldrich
Poly(ethylene glycol) bis(amine), Mw 6,000
Sigma-Aldrich
Poly(ethylene glycol) bis(amine), average Mn 3400
Sigma-Aldrich
Poly(ethylene glycol) bis(amine), Mw 10,000
Sigma-Aldrich
Poly(ethylene glycol) bis(amine), Mw 2,000
Sigma-Aldrich
Poly(ethylene glycol) diamine, average Mn 6,000
Sigma-Aldrich
Poly(ethylene glycol) diamine, average Mn 3,000
Sigma-Aldrich
Poly(ethylene glycol) diamine, average Mn 10,000
Sigma-Aldrich
Poly(ethylene glycol) diamine, average Mn 2,000