Environmental factors relating to arsenic accumulation by Dunaliella sp

Yukiho Yamaoka; Osamu Takimura; Hiroyuki Fuse

doi:10.1002/aoc.590020413

Environmental factors relating to arsenic accumulation by Dunaliella sp

Yukiho Yamaoka, Osamu Takimura, Hiroyuki Fuse

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

The accumulation of arsenic by Dunaliella sp. was examined by using a solution containing arsenic only as a first approach to the study of arsenic recovery by aqueous systems. The accumulation of arsenic by Dunaliella sp. was rapid, with equilibrium established in 8 h with respect to arsenic partioning between dissolved and particulate phase. The optimum accumulation was at pH 8.2, NaCl 20 g dm⁻³, illumination 5000–10000 lux and temperature 22°C. Increased phosphate concentration significantly decreased the uptake of arsenic in the culture. These results suggested that accumulation of arsenic by Dunaliella sp. depended upon biological activity.

Original language	English
Pages (from-to)	359-364
Number of pages	6
Journal	Applied Organometallic Chemistry
Volume	2
Issue number	4
DOIs	https://doi.org/10.1002/aoc.590020413
Publication status	Published - 1988
Externally published	Yes

Keywords

arsenic
bioaccumulation
environmental factors
microalgae

ASJC Scopus subject areas

Chemistry(all)
Inorganic Chemistry

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10.1002/aoc.590020413

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title = "Environmental factors relating to arsenic accumulation by Dunaliella sp",

abstract = "The accumulation of arsenic by Dunaliella sp. was examined by using a solution containing arsenic only as a first approach to the study of arsenic recovery by aqueous systems. The accumulation of arsenic by Dunaliella sp. was rapid, with equilibrium established in 8 h with respect to arsenic partioning between dissolved and particulate phase. The optimum accumulation was at pH 8.2, NaCl 20 g dm−3, illumination 5000–10000 lux and temperature 22°C. Increased phosphate concentration significantly decreased the uptake of arsenic in the culture. These results suggested that accumulation of arsenic by Dunaliella sp. depended upon biological activity.",

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T1 - Environmental factors relating to arsenic accumulation by Dunaliella sp

AU - Yamaoka, Yukiho

AU - Takimura, Osamu

AU - Fuse, Hiroyuki

PY - 1988

Y1 - 1988

N2 - The accumulation of arsenic by Dunaliella sp. was examined by using a solution containing arsenic only as a first approach to the study of arsenic recovery by aqueous systems. The accumulation of arsenic by Dunaliella sp. was rapid, with equilibrium established in 8 h with respect to arsenic partioning between dissolved and particulate phase. The optimum accumulation was at pH 8.2, NaCl 20 g dm−3, illumination 5000–10000 lux and temperature 22°C. Increased phosphate concentration significantly decreased the uptake of arsenic in the culture. These results suggested that accumulation of arsenic by Dunaliella sp. depended upon biological activity.

AB - The accumulation of arsenic by Dunaliella sp. was examined by using a solution containing arsenic only as a first approach to the study of arsenic recovery by aqueous systems. The accumulation of arsenic by Dunaliella sp. was rapid, with equilibrium established in 8 h with respect to arsenic partioning between dissolved and particulate phase. The optimum accumulation was at pH 8.2, NaCl 20 g dm−3, illumination 5000–10000 lux and temperature 22°C. Increased phosphate concentration significantly decreased the uptake of arsenic in the culture. These results suggested that accumulation of arsenic by Dunaliella sp. depended upon biological activity.

KW - arsenic

KW - bioaccumulation

KW - environmental factors

KW - microalgae

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SN - 0268-2605

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Environmental factors relating to arsenic accumulation by Dunaliella sp

Abstract

Keywords

ASJC Scopus subject areas

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