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Titolo:
Bacillus subtilis cells immobilised in PVA-cryogels
Autore:
Szczesna-Antczak, M; Galas, E;
Indirizzi:
Lodz Tech Univ, Inst Tech Biochem, PL-90924 Lodz, Poland Lodz Tech Univ Lodz Poland PL-90924 Tech Biochem, PL-90924 Lodz, Poland
Titolo Testata:
BIOMOLECULAR ENGINEERING
fascicolo: 2, volume: 17, anno: 2001,
pagine: 55 - 63
SICI:
1389-0344(200101)17:2<55:BSCIIP>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
POLYMER SYSTEMS; IMMOBILIZATION; GEL; CRYOSTRUCTURIZATION; CARRIER;
Keywords:
immobilisation; PVA-cryogels; B. subtilis; proteinases; image analysis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Szczesna-Antczak, M Lodz Tech Univ, Inst Tech Biochem, Stefanowskiego 4-10, PL-90924 Lodz, Poland Lodz Tech Univ Stefanowskiego 4-10 Lodz Poland PL-90924
Citazione:
M. Szczesna-Antczak e E. Galas, "Bacillus subtilis cells immobilised in PVA-cryogels", BIOMOL ENG, 17(2), 2001, pp. 55-63

Abstract

Bacillus subtilis viable cells were immobilised in PVA-cryogel beads usingthe 'freezing-thawing' method in a two-phase (water-oil) system. Conditions providing both high thermal and mechanical stability and suitable porosity of the carrier were optimised. For monitoring and analysis of changes inside the biocatalyst beads, and for determination of diffusive properties ofthe carrier, an image analysis was applied. It was revealed that bacterialspores, sodium alginate and bacterial cellulose accelerated hardening of the cryogels and modified their porosity. Proteins (haemoglobin, azoalbumin,azocasein) penetrated beads of the cryogel. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 15:19:04