Potential toxic effects of nano-derived form of thiobencarb on two land snails, Theba pisana and Eobania vermiculata
Abdel-Halim, K., Aly, G., Oriby, A., Abdou, G. (2021). Potential toxic effects of nano-derived form of thiobencarb on two land snails, Theba pisana and Eobania vermiculata. EKB Journal Management System, 64(12), 7539-7549. doi: 10.21608/ejchem.2021.94585.4447
Khaled Yassin Abdel-Halim; Gihan F. Aly; Ayman Sameih Oriby; Gihan Y. Abdou. "Potential toxic effects of nano-derived form of thiobencarb on two land snails, Theba pisana and Eobania vermiculata". EKB Journal Management System, 64, 12, 2021, 7539-7549. doi: 10.21608/ejchem.2021.94585.4447
Abdel-Halim, K., Aly, G., Oriby, A., Abdou, G. (2021). 'Potential toxic effects of nano-derived form of thiobencarb on two land snails, Theba pisana and Eobania vermiculata', EKB Journal Management System, 64(12), pp. 7539-7549. doi: 10.21608/ejchem.2021.94585.4447
Abdel-Halim, K., Aly, G., Oriby, A., Abdou, G. Potential toxic effects of nano-derived form of thiobencarb on two land snails, Theba pisana and Eobania vermiculata. EKB Journal Management System, 2021; 64(12): 7539-7549. doi: 10.21608/ejchem.2021.94585.4447

Potential toxic effects of nano-derived form of thiobencarb on two land snails, Theba pisana and Eobania vermiculata

Egyptian Journal of Chemistry
Article 69, Volume 64, Issue 12, December 2021, Page 7539-7549  XML PDF (466.3 K)
Document Type: Original Article
DOI: 10.21608/ejchem.2021.94585.4447
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Authors
Khaled Yassin Abdel-Halim email orcid 1; Gihan F. Aly2; Ayman Sameih Oriby3; Gihan Y. Abdou4
1Mammalian & Aquatic Toxicology Department, Central Agricultural Pesticides Laboratory (CAPL), Agricultural Research Center (ARC), 12618-Dokki, Giza, Egypt
2Central Agricultural Pesticides Laboratory, Agricultural Research Center, Sabahia, Alexandria, Egypt
3Pesticides Analysis Researches Department, Central Agricultural Pesticides Laboratory, Agricultural Research Center, Dokki, Giza, Egypt.
4Pests and Plant Protection Department, National Research Centre, 12622, El-Bohouth St. Dokki, Giza, Egypt
Abstract
Abstract
Potential toxic effects of thiobencarb and its nano-derived form as topical applications against land snails: Theba pisana and Eobania vermiculata were evaluated under laboratory conditions. Median lethal doses (LD50s) of nano-derived form were 485.3 and 422.8 µg/snail on E. vermiculata and T. pisana, respectively, inducing toxicity index: 1.45 and 1.86-folds, compared with traditional form. Sublethal doses: 1/10 and 1/50 LD50 of the examined pesticide were tested against some biochemical measurements e.g. acetylcholinesterase (AChE), Glutathione-S-transferase (GST), acid and alkaline phosphatase (ACP and ALP), aminotransferases (AST/ALT), lactate dehydrogenase (LDH), and malondialdehyde (MDA) in ganglia and digestive glands. All treatments significantly decreased AChE activity, respect to control. Significant increase in MDA level and activities of GST and LDH were noticed. No significant changes in ACP and ALP activities were noticed, but ALT/AST enzymes exhibited significant decline, respect to their controls. These findings may highlight the role of nano-emulsion of thiobencarb as a molluscicide independent on its inhibitory action of AChE and other targets.
Keywords
Keywords: Thiobencarb; nano-emulsion; land snails; toxicity; biochemical responses
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