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Exposure assessment of nanoparticles

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Title Exposure assessment of nanoparticles
 
Creator Singh, Rina
choudhary, Neha
 
Description 26-27
Nanotechnology's advancement has paved the path for innovation in almost all the sectors, including health, food, medicine, consumer,
environment and electronics. There is a demand of nanotechnology based products because of their extraordinary physical and chemical
properties. Because of this demand the outflow of engineered nanoparticles/ nanomaterials (ENPs/ ENMs) is increasing day by day and
has prompted expanded creation and utilization of manufactured/synthesized nanoparticles (NPs). Nano TiO2, silver (Ag) and gold (Au)
nanoparticles are the widely used ENPs because of their dominancy in more than 50% of the consumer and electronic products. In the
global market, metal and metal oxide nanoparticles (MNPs and MONPs) based product constitutes almost 50% of the consumer/electronic
items and therefore they are the important class of ENPs to study. During their synthesis, transportation, usage, and disposal, a
significant portion of these ENPs are released into the environment which finally affects the human health. Besides synthesis, these
nanoparticles are also used for various environmental remediations like in water treatment, reducing air pollution by using self cleaning
paints, which unintentionally led to their release and finally contamination of the environment. Till date we don't have adequate data to
quantify the amount of these NPs released into the environment. Though the advancement of nanotechnology has progressed huge
amounts at a time, however our insight into the toxicological impacts and dangers of ENPs falls a long ways behind the speed of theircreation and use. Numerous toxicity investigations in various biological and environmental systems have been conducted because of their
potential impact on the ecosystem and human health. Little is known about the dangers that these ENPs pose to human health. Therefore,
the exposure assessment and toxicity study of nanomaterials in the environment is a relatively new and pressing concern because their
environmental impact is poorly understood. Understanding the human exposure of these ENPs are therefore very important in order to
understand the possible health effect of these particles, because little research has been done on these ENPs till recently. In this paper we
critically review the toxicity and exposure assessment of two important categories of ENPs: Metal and metal oxide based ENPs (MENPs
and MOENPs) since there are considerable gaps in our knowledge of these ENP's toxicity.
 
Date 2023-06-30T11:00:12Z
2023-06-30T11:00:12Z
2023-06
 
Type Article
 
Identifier 0975-2412 (Online); 0971-7706 (Print)
http://nopr.niscpr.res.in/handle/123456789/62231
https://doi.org/10.56042/bvaap.v31i1.2725
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source BVAAP Vol.31(1) [June 2023]