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Rhodopseudomonas palustris NU51 suşu tarafından Diklorvos`un biyosorpsiyonu

Biosorption of Dichlorvos by Rhodopseudomonas palustris NU51 strain
Authors: Selimoğlu, Hatice;

Rhodopseudomonas palustris NU51 suşu tarafından Diklorvos`un biyosorpsiyonu

Abstract

Pesticides are toxic agents intentionally released into the environment; their use raises publichealth and environmental concerns. In this study, the biosorption of Dichlorvos (DDVP) fromaqueous solutions on dried cells of Rhodopseudomonas pseudomonas NU51 was tested underlaboratory conditions as a function of pH, temperature, initial Dichlorvos concentration andbiosorbent concentration. Optimum biosorption was found to be at pH 6.0. Moreover, the besttemperature for biosorption was occurred at 35oC. At the biyosorption conditions, pH 6.0,25oC, 1.0 g biomass, Dichlorvos uptake was increased as the initial Dichlorvos concentrationincreased up to 300 mg l-1. The uptake of Dichlovos at 300 mg l-1 was 18%. Variousconcentration of biomass has been used (i.e. 1.0, 2.0, 3.0, 4.0 g) in the removal of Dichlorvos.It was observed that as concentration of the biomass has increased, the concentration ofpesticide in solution has decreased.

Pestisitler, kasıtlı olarak kullanımı sonucunda insan sağlığını tehdit eden ve çevreyi kirletentoksik bileşiklerdir. Bu çalışmada da, Rhodopseudomonas palustris NU51 izolatının, suluçözeltilerden Diklorvos'u (DDVP) biyosorplama yeteneği, pH, sıcaklık, başlangıç Diklorvoskonsantrasyonu ve biyokitle konsantrasyonunun bir fonksiyonu olarak laboratuar koşullarındaaraştırılmıştır. Biyosorpsiyon için optimum pH değeri 6.0 ve en uygun sıcaklığın 35oC olduğubulunmuştur. Pestisit konsantrasyonun etkisinin araştırıldığı, pH 6.0, 25oC, 1.0 g biyokitlekullanım koşullarında, başlangıç Diklorvos konsantrasyonu ile birlikte biyosorpsiyonun daarttığı saptanmıştır. 300 mg l-1'de Diklorvos alınımı %18 olarak tespit edilmiştir. Diklorvosgideriminde farklı biyokitle konsantrasyonları (1.0, 2.0, 3.0, 4.0 g) kullanılmıştır ve biyokitlekonsantrasyonu artışıyla birlikte çözeltideki pestisit miktarının azaldığı gözlenmiştir.

53

Country
Turkey
Related Organizations
Keywords

Biology, Biyoloji

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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