Title: Spirulina Platensis and Bioremediation of Phosmet, Ethion, Methyl Parathion pesticides

Abstract: In this study, the bioremediation efficiency of some pesticides in Toxic Industrial Chemical category of CBRN (Chemical, Biological, Radioactive, Nuclear) threats with blue-green microalgae was investigated. Although these pesticides are highly harmful to human, living and environmental health, they are highly persistent in nature. Recently, the increasing demand and use of pesticides in the agricultural field poses risks in production, transportation and storage areas. The microalgae we have used are already known for its ability to metabolize pesticides, as well as its use in important areas, especially in the medicine and pharmaceutical industry. Using environmentally friendly bioremediation technique to eliminate or minimize the harmful effects of pesticides contributes to nature and the future. The fact that the selected microalgae and pesticides have not been investigated before proves the originality of our study. Pesticide remediation amount measurements were made by electrochemistry method and it was determined that Spirulina platensis removed Phosmet, Ethion and Methyl Paration by 70.0%, 61.0%, 50.0%, respectively, at the end of the 7th day.

Keywords: CBRN (chemical, biological, radioactive, nuclear); pesticide; bioremediation; microalgae

Başlık: Spirulina Platensis ve Phosmet, Ethion, Methyl Parathion pestisitlerinin Bioremediasyonu

Özet: Bu çalışmada, CBRN (Kimyasal, Biyolojik, Radyoaktif, Nükleer) tehditlerinin Toksik Endüstriyel Kimyasal kategorisindeki bazı pestisitlerin mavi-yeşil mikro alglerle biyoremediasyon etkinliği araştırılmıştır. Söz konusu pestisitler insan, canlı ve çevre sağlığına oldukça zararlı olmakla beraber doğada kalıcılığı yüksektir. Son zamanlarda tarımsal alanda pestisitlere olan talebin ve kullanımın artması üretim, taşıma ve depolama alanlarında risk oluşturmaktadır. Kullanmış olduğumuz mikro algin hali hazırda başta tıp ve ilaç sanayisi olmak üzere önemli alanlarda kullanımının yanı sıra pestisitleri metabolize etme yeteneği de bilinmektedir. Pestisitlerin zararlı etkilerini yok etmek ya da en aza indirgemek için çevre dostu olan biyoremediasyon tekniğinin kullanılması, doğaya ve geleceğe katkı sağlamaktadır. Seçilen mikro alg ve pestisitlerin daha önce araştırılmamış olması çalışmamızın özgünlüğünü kanıtlamaktadır. Pestisit remediasyon miktar ölçümleri elektrokimya yöntemi ile yapılmış ve Spirulina platensis'in 7. gün sonunda Phosmet, Ethion veMetil Paration'u sırasıyla %70.0, %61.0, %50.0 oranında ortamdan uzaklaştırdığı tespit edilmiştir.

Anahtar kelimeler: KBRN (kimyasal, biyolojik, radyoaktif, nükleer); pestisit; biyoremediasyon; mikroalg

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