Cadmium uptake by Spirulina maxima: toxicity and mechanism |
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| Authors: | Augusto da Costa AC de França FP |
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| Institution: | (1) Departamento de Tecnologia de Processos Bioquímicos, Rua Sã, Universidade do Estado do Rio de Janeiro, Instituto de Química, o Francisco Xavier 524, Pavilhão Haroldo Lisboa da Cunha, Sala 305, Rio de Janeiro, Brasil, 20550-013;(2) Escola de Química, Centro de Tecnologia, Bloco E, Cidade Universitária, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil, 21941-590 |
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| Abstract: | Cadmium uptake by Spirulina maxima cells was more pronounced in living than in dead cells, with a maximum recovery of 47.63mg Cd/g cells for living cells and 37.00mg Cd/g cells for inactivated cells. When in the medium at 1.2mg/l, cadmium affected cell growth and diminished cell productivity. Cadmium was detected in the outer and inner faces of the external membrane, essentially in the lipid layer. |
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| Keywords: | Biosorption cadmium Spirulina maxima toxicity |
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