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Study on the Sub-Lethal Effect of Nano Zinc Oxide (Nano-ZnO) on Some Hematological Indices of Capoeta capoeta gracilis
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Zohre Soltani   , Rasoul Ghorbani , Aliakbar Hedayati *  , Afshin Adeli , Mohammad Mazandarani |
| Faculty of Fisheries and Environment, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran , hedayati@gau.ac.ir |
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Abstract: (1514 Views) |
Background and Aim: Zinc is one of the heavy metals in aquatic ecosystems. Currently, nanotechnology has made significant progress in various industries, in the present study, the toxicity of nano-zinc oxide on the blood indices of Capoeta capoeta gracilis (Capoeta) was investigated.
Methods: This research was conducted with concentrations of 0, 5, 20, 100 and 400 mg/L of nano-zinc oxide (Nano-ZnO) for 14 days on 70 Capoeta with a mean weight of 20±5 grams. After the experiment, blood samples were taken from the Capoeta and various blood indices were measured including leukocytes, lymphocytes, neutrophils, eosinophils, erythrocytes, hemoglobin, hematocrit, MCV, MCH and MCHC.
Results: All blood erythrocyte indices in Capoeta showed significant changes, but leukocyte indices did not change. Also, with the increase of nano-zinc oxide in different treatments, the number of red blood cells, hemoglobin and hematocrit decreased and the number of white blood cells increased in Capoeta.
Conclusion: With rising the concentration of nano-zinc oxide, the level of hematological adverse effects increased and the concentration of 100 mg/l has the most adverse effects in Capoeta. Nano-zinc oxide causes anemia and disrupts Capoeta's immune system, which may be due to its destructive effects on hematopoietic organs such as the liver and kidney. |
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| Keywords: Nano-zinc oxide, Capoeta capoeta gracilis (Capoeta), Heavy Metal, Hematological Indices. |
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Full-Text [PDF 760 kb]
(646 Downloads)
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Type of Study: Original Article |
Subject:
Marine Medicine
Received: 2022/05/28 | Accepted: 2022/07/15 | Published: 2022/09/1
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