EFFECTS OF SILVER NANOPARTICLES ON SOME TISSUES OF THE NILE TILAPIA - Wafula, Zachariah;Otieno, Syprine;Okuthe, Grace
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Silver nanoparticles are incorporated in many consumer and biomedical products due to their unique antimicrobial properties. Continuous use of these products can result to accumulation of silver particles in the aquatic environment which may pose health risks to living organisms. This research was carried out to determine the effects of silver nanoparticles on the ventilation rate, haematological parameters and on selected tissues of Nile tilapia Oreochromis niloticus. Results showed that presence of silver nanoparticles in water increased the ventilation rate of Oreochromis niloticus.…mehr

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Produktbeschreibung
Silver nanoparticles are incorporated in many consumer and biomedical products due to their unique antimicrobial properties. Continuous use of these products can result to accumulation of silver particles in the aquatic environment which may pose health risks to living organisms. This research was carried out to determine the effects of silver nanoparticles on the ventilation rate, haematological parameters and on selected tissues of Nile tilapia Oreochromis niloticus. Results showed that presence of silver nanoparticles in water increased the ventilation rate of Oreochromis niloticus. Analysis of blood samples of the exposed fish showed that silver nanoparticles induce significant changes in hematological parameters. Histological studies on gills, liver, cardiac muscle and spleen revealed that engineered silver nanoparticles have the potential to cause various types of injuries to the tissues of tilapia fish. The study recommends for the proper handling and proper disposal of items suspected to contain silver nanoparticles to avoid contamination of water bodies.
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Autorenporträt
Zachariah Wafula est un citoyen kenyan. Il est titulaire d'une licence en sciences de l'éducation obtenue avec mention à l'université Kenyatta. Il est actuellement professeur de biologie et de mathématiques dans l'enseignement secondaire. Zachariah poursuit un master en physiologie animale à l'université de Kenyatta, sous la direction du Dr Syprine Otieno.