Artigo De: orcid

IMMOBILIZATION OF YEASTS ON TITANIUM ACTIVATED INORGANIC SUPPORTS

Biotechnology Letters

S. M. M. Dias; J.M. Novais; J. M. S. Cabral — 1982

Informações chave

Autores:

S. M. M. Dias (Susete Maria Martins Dias); J.M. Novais (Júlio Maggiolly Novais); J. M. S. Cabral (Joaquim Manuel Sampaio Cabral)

Publicado em

Março 1982

Resumo

A study of the immobilization of yeast cells with invertase activity by the metal link method was performed. Baker's yeast cells were immobilized on titanium activated porous silica support and on its alkylamine and aldehyde derivatives, their initial activities being 19.6, 39.9 and 10.6 U/ml of reactor respectively. When crosslinking of the immobilized cells was performed, an initial activity of 48.2 U/ml was achieved on the titanium activated support. Batch long-term stability tests were car ried out for 400 hours and the crosslinked preparations showed an unsta ble behaviour compared with the very stable preparations obtained with the simple metal-link method. A higher activity (56.2 U/ml) was obtained when a titanium activated macroporous support, pumice stone, was used as cell carrier, which compared favourably with calcium alginate entrapped cells (17.7 – 31.3 U/ml)

Detalhes da publicação

Autores da comunidade :

Título do contentor da publicação

Biotechnology Letters

Primeira página ou número de artigo

203

Última página

208

Volume

4

Fascículo

3

DOI

10.1007/BF00144325

Domínio Científico (FOS)

biological-sciences - Ciências Biológicas

Idioma da publicação (código ISO)

eng - Inglês

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