Results 111 to 120 of about 36,532 (274)

Effect of organic and inorganic ligands on the sorption/desorption of arsenate on/from Al-Mg and Fe-Mg layered double hydroxides

open access: yes, 2011
This paper describes the sorption of arsenate on Al-Mg and Fe-Mg layered double hydroxides as affected by pH and varying concentrations of inorganic and organic ligands, and the effect of residence time on the desorption of arsenate by ligands.
PIGNA, MASSIMO   +5 more
core   +1 more source

Potencial de quatro espécies herbáceas forrageiras para fitorremediação de solo contaminado por arsênio Potential of four herbaceous forage species for phytoremediation of a soil contaminated with arsenic

open access: yesRevista Brasileira de Ciência do Solo, 2009
A fitorremediação de solos e substratos contaminados por elementos tóxicos tem despertado crescente interesse entre pesquisadores e técnicos. Particularmente em relação ao As, o obstáculo ao emprego desta técnica é o pequeno número de espécies ...
Roseli Freire de Melo   +3 more
doaj   +1 more source

Adsorption of arsenite and arsenate on amorphous iron hydroxide

open access: yes, 1982
Adsorption isotherms in solutions with ionic strengths of 0.01 at 25°C were measured over the arsenite and arsenate concentration range 10−7−10−3 M and the pH range 4–10. At low concentrations, these isotherms obeyed equations of the Langmuir type.
Matthew L. Pierce*   +1 more
core  

Raman spectroscopy of selected tsumcorite Pb(Zn,Fe3+)2(AsO4)2(OH,H2O) minerals –implications for arsenate accumulation

open access: yes, 2012
The presence of arsenic in the environment is a hazard. The accumulation of arsenate by a range of cations in the formation of minerals provides a mechanism for the accumulation of arsenate.
Xi, Yunfei   +3 more
core   +1 more source

Alleviation of arsenic toxicity by phosphate is associated with its regulation of detoxification, defense, and transport gene expression in barley

open access: yesJournal of Integrative Agriculture, 2019
Arsenic (As) contamination in soils has posed a severe threat to safe crop production. The previous studies showed the antagonism between phosphorus (P) and As in plant growth and As uptake, while the mechanisms of alleviating As toxicity by P is not ...
Gerald Zvobgo   +6 more
doaj   +1 more source

"ARSENIC IN WOOL." [PDF]

open access: yesThe Lancet, 1898
n ...
openaire   +1 more source

Is differential phytochelatin production related to decreased arsenate influx in arsenate tolerant Holcus lanatus?

open access: yes, 2002
Phytochelatins (PCs) are required for arsenic (As) detoxification in nontolerant plants. In addition, a role for PCs in arsenate tolerance has recently been proven, with tolerant plants able to accumulate significantly higher concentrations of As-PC ...
Woods, C.   +2 more
core   +1 more source

Natural Arsenate DNA?

open access: yes, 2011
The recent paper by Wolfe-Simon et al.1 reporting a bacterial strain, which is able to grow in high concentrations of arsenate, apparently in the absence of phosphate, and claims that in this strain arsenate is substituting for phosphate, e.g. in nucleic
Nielsen, Peter E, Peter E. Nielsen
core   +1 more source

REGULATED ARSENICALS [PDF]

open access: yesSouthern Medical Journal, 1920
n ...
openaire   +1 more source

ARSENIC SPECIATION AND EFFECT OF ARSENATE INHIBITION IN A MICROCYSTIS AERUGINOSA CULTURE MEDIUM UNDER DIFFERENT PHOSPHATE REGIMES

open access: yes, 2011
To assess the ecological impact of arsenic pollution during cyanobacterial blooms, As speciation and cyanobacterial growth in phosphate-modified Microcystis aeruginosa cultures treated with arsenate were investigated under laboratory conditions.
guopengran@gmail.com   +6 more
core  

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