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Stability and toxicity of Clostridium perfringens type D epsilon prototoxin treated by iodine Estabilidade e toxicidade da protoxina epsilon de Clostridium perfringens tipo D

P.H. Rocha et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2008

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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

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Purified epsilon prototoxin of Clostridium perfringens type D was produced, purified, and detoxified by the stoiechiometric method of non-radioactive iodine incorporation. Different degrees of iodination were perfomed and the toxicity of the derivatives were analysed by in vivo studies. Toxicity decreased inversely to the iodine incorporation. Eletrophoretic analysis showed different levels of stability of samples kept under different temperatures 4ºC, - 20ºC, and -80 ºC. The iodinated prototoxins were stocked for a period of four months.<br>A prototoxina epsílon de Clostridium perfringens tipo D foi produzida, purificada e destoxificada por estoiquiometria. Diferentes quantidades de iodo foram incorporadas à estrutura protéica da prototoxina e a toxicidade dos derivados foi analisada em estudos in vivo. Verificou-se que a toxicidade diminuiu à medida que os átomos de iodo foram incorporados à prototoxina. A análise eletroforética demonstrou a estabilidade das amostras quando armazenadas a 4ºC, -20ºC e -80ºC. A prototoxina iodada foi estocada por um período de quatro meses.

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APA 7

al, P. R. E. (2008). Stability and toxicity of Clostridium perfringens type D epsilon prototoxin treated by iodine Estabilidade e toxicidade da protoxina epsilon de Clostridium perfringens tipo D. https://doi.org/10.1590/S0102-09352008000400007

MLA

al, P.H. Rocha et. "Stability and toxicity of Clostridium perfringens type D epsilon prototoxin treated by iodine Estabilidade e toxicidade da protoxina epsilon de Clostridium perfringens tipo D." 2008. https://doi.org/10.1590/S0102-09352008000400007.

Chicago

al, P.H. Rocha et. 2008. "Stability and toxicity of Clostridium perfringens type D epsilon prototoxin treated by iodine Estabilidade e toxicidade da protoxina epsilon de Clostridium perfringens tipo D.". https://doi.org/10.1590/S0102-09352008000400007.

Harvard

al, P. R. E. 2008, Stability and toxicity of Clostridium perfringens type D epsilon prototoxin treated by iodine Estabilidade e toxicidade da protoxina epsilon de Clostridium perfringens tipo D, Universidade Federal de Minas Gerais, Escola de Veterinária, available at: https://doi.org/10.1590/S0102-09352008000400007 [Accessed 9 Aug. 2026].

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Title
Stability and toxicity of Clostridium perfringens type D epsilon prototoxin treated by iodine Estabilidade e toxicidade da protoxina epsilon de Clostridium perfringens tipo D
Author / contributors
P.H. Rocha et al
Publisher
Universidade Federal de Minas Gerais, Escola de Veterinária
Publication year
2008
ISSN
0102-0935
ISSN
0102-0935
Language
English

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