The impact of nanomaterials in aquatic systems

Owing to the unique properties of nanomaterials (NMs), they have generated significant research interest in various fields. The wide use of NMs has led to concerns about their environmental fate and the potential for toxicity to living organisms, including humans. Nanomaterials enter aquatic environ...

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Main Authors: Chaukura, Nhamo, Madzokere, Tatenda Crispen, Mugocheki, Nyembezi, Masilompane, Thato M.
Format: Article
Language:English
Published: Wiley-Scrivener 2022
Subjects:
Online Access:http://hdl.handle.net/11408/4732
https://doi.org/10.1002/9781119592990.ch10
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author Chaukura, Nhamo
Madzokere, Tatenda Crispen
Mugocheki, Nyembezi
Masilompane, Thato M.
author_facet Chaukura, Nhamo
Madzokere, Tatenda Crispen
Mugocheki, Nyembezi
Masilompane, Thato M.
author_sort Chaukura, Nhamo
collection DSpace
description Owing to the unique properties of nanomaterials (NMs), they have generated significant research interest in various fields. The wide use of NMs has led to concerns about their environmental fate and the potential for toxicity to living organisms, including humans. Nanomaterials enter aquatic environments through effluents from manufacturing operations, and deliberate and natural breakdown of larger materials. Upon entering the environment, they are mobilized through wind, rain, urban run-off, and rivers. From there they interact with organisms via food, water, and dermal contact, and subsequently penetrate cell walls and affect cell physiological processes. Because of the many variables involved, the ecological risks associated with the fate and behavior of NMs are scarcely known and difficult to predict. Toxicology data are normally generated under experimental conditions, which do not adequately mimic real-life situations. There is a need to investigate toxicity under more realistic conditions in order to extrapolate the data to real-life situations. This chapter aims at evaluating the impact of nanomaterials in aquatic systems. The objectives are to: (1) determine the sources of NMs in aquatic environments, (2) evaluate the transport and fate of NMs, and (3) synthesize the literature on the toxicity of NMs, and provide future research directions.
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spelling ir-11408-47322022-06-27T13:49:05Z The impact of nanomaterials in aquatic systems Chaukura, Nhamo Madzokere, Tatenda Crispen Mugocheki, Nyembezi Masilompane, Thato M. Nanomaterials Aquatic environments Owing to the unique properties of nanomaterials (NMs), they have generated significant research interest in various fields. The wide use of NMs has led to concerns about their environmental fate and the potential for toxicity to living organisms, including humans. Nanomaterials enter aquatic environments through effluents from manufacturing operations, and deliberate and natural breakdown of larger materials. Upon entering the environment, they are mobilized through wind, rain, urban run-off, and rivers. From there they interact with organisms via food, water, and dermal contact, and subsequently penetrate cell walls and affect cell physiological processes. Because of the many variables involved, the ecological risks associated with the fate and behavior of NMs are scarcely known and difficult to predict. Toxicology data are normally generated under experimental conditions, which do not adequately mimic real-life situations. There is a need to investigate toxicity under more realistic conditions in order to extrapolate the data to real-life situations. This chapter aims at evaluating the impact of nanomaterials in aquatic systems. The objectives are to: (1) determine the sources of NMs in aquatic environments, (2) evaluate the transport and fate of NMs, and (3) synthesize the literature on the toxicity of NMs, and provide future research directions. 2022-03-23T12:51:47Z 2022-03-23T12:51:47Z 2020 Article 9781119591603 9781119592990 http://hdl.handle.net/11408/4732 https://doi.org/10.1002/9781119592990.ch10 en The ELSI Handbook of Nanotechnology: Risk, Safety, ELSI and Commercialization Edited by Chaudhery Mustansar Hussain;Chapter 10: p. 205-222 open Wiley-Scrivener
spellingShingle Nanomaterials
Aquatic environments
Chaukura, Nhamo
Madzokere, Tatenda Crispen
Mugocheki, Nyembezi
Masilompane, Thato M.
The impact of nanomaterials in aquatic systems
title The impact of nanomaterials in aquatic systems
title_full The impact of nanomaterials in aquatic systems
title_fullStr The impact of nanomaterials in aquatic systems
title_full_unstemmed The impact of nanomaterials in aquatic systems
title_short The impact of nanomaterials in aquatic systems
title_sort impact of nanomaterials in aquatic systems
topic Nanomaterials
Aquatic environments
url http://hdl.handle.net/11408/4732
https://doi.org/10.1002/9781119592990.ch10
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