Bachelorarbeit, 2017
45 Seiten, Note: 2.50
This research aims to evaluate the impact of silver salt, gold salt, and silver-gold alloy nanoparticles on the haematological indices of the African catfish, Clarias gariepinus, with a focus on the potential toxicity of these nanomaterials to aquatic life.
Chapter One: Introduction
This chapter introduces the concepts of nanotechnology and nanoparticles, highlighting their wide-ranging applications in various fields, including medicine, electronics, and biosensing. It discusses the properties of silver and gold nanoparticles and their importance in engineered nanoplatforms. The chapter also discusses the different methods used to synthesize nanoparticles, including physical, chemical, and biological methods, focusing on the advantages and disadvantages of each method. Finally, it outlines the aims and objectives of the research project, which is to assess the effect of exposure to silver salt, gold salt, and silver-gold alloy nanoparticles on the haematological indices of the African catfish, Clarias gariepinus.
Chapter Two: Literature Review
This chapter provides a comprehensive overview of the current research on the haematological indices of the African catfish, Clarias gariepinus, as well as the potential impact of nanoparticles on aquatic life. It explores the physiological significance of haematological indices and how they can be used to monitor the health status of fish. The chapter also discusses the potential toxicity of nanoparticles to fish and the need for further research in this area.
Chapter Three: Materials and Methods
This chapter describes the materials and methods used to conduct the research. It includes detailed information on the biogenic synthesis of silver-gold alloy nanoparticles, the collection and acclimatization of the test organisms (Clarias gariepinus), and the blood sampling techniques used. The chapter also outlines the procedures followed to analyze the haematological indices of the fish.
Chapter Four: Results
This chapter presents the findings of the research, highlighting the results of the haematological analysis of the African catfish exposed to silver salt, gold salt, and silver-gold alloy nanoparticles.
Nanotechnology, nanoparticles, silver nanoparticles, gold nanoparticles, silver-gold alloy nanoparticles, biogenic synthesis, haematological indices, Clarias gariepinus, African catfish, toxicity, aquatic ecosystems, environmental impact, eco-friendly, sustainable, research.
The study evaluates how exposure to sublethal concentrations of silver, gold, and silver-gold alloy nanoparticles affects the blood (haematological indices) of the African catfish.
Exposure led to a significant reduction in Hemoglobin (Hb), Red Blood Cell (RBC) count, and Packed Cell Volume (PCV), while White Blood Cell (WBC) counts generally increased, indicating stress.
The study utilized a biogenic (biological) method of synthesis, specifically using Kola-pod mediated processes, which is considered more eco-friendly.
As nanotechnology production increases, waste products are discharged into the environment, potentially causing toxic effects on biotic factors like fish and disrupting aquatic ecosystems.
They are used as physiological indicators to monitor the health status and stress levels of fish when exposed to environmental pollutants or toxins.
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