alexa Investigation of the Toxicity of Amine-coated, Carboxyl-coated and Polyaniline-coated FeO Magnetic Nanoparticles in Caenorhabditis elegans
ISSN: 2155-6210

Journal of Biosensors & Bioelectronics
Open Access

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Research Article

Investigation of the Toxicity of Amine-coated, Carboxyl-coated and Polyaniline-coated FeO Magnetic Nanoparticles in Caenorhabditis elegans

Callaway MK1, Ochoa JM1, Perez EE1, Ulrich PE1, Alocilja EC2 and Vetrone SA1*

1Department of Biology, Whittier College, 13406 E. Philadelphia St., Whittier, CA 90608, USA

2Department of Biosystems and Agricultural Engineering, Michigan State University, USA

*Corresponding Author:
Sylvia AV
Whittier College, Department of Biology
13406 E. Philadelphia St., Whittier
CA 90608, USA
Tel: +1 562 904 4200
E-mail: [email protected]

Received Date: September 03, 2013; Accepted Date: November 27, 2013; Published Date: December 04, 2013

Citation: Michelle KC, Jessica MO, Erika EP, Peaches RU, Evangelyn CA, et al. (2013) Investigation of the Toxicity of Amine-coated, Carboxyl-coated and Polyaniline-coated FeO Magnetic Nanoparticles in Caenorhabditis elegans. J Biosens Bioelectron 4: 145. doi: 10.4172/2155-6210.1000145

Copyright: © 2013 Michelle KC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Since the introduction of nanotechnology there has been an increase in the use of nanoparticles (NPs) in the development of biosensors for the detection of bacterial pathogens. Consequently, research exploring their potential toxicity has also increased as some have been shown to be harmful depending on their size, shape, and chemical composition making it imperative that we understand their possible harm to humans and the environment. In this study we investigated the potential toxicity of three differently coated FeO Magnetic NPs (MNPs), amine, carboxyl, and polyaniline, on the Caenorhabditis elegans (C. elegans) nematode. Briefly, C. elegans were exposed to the singular coated-MNPs types at a concentration of 100 μg/mL and assessed for physiological effects on their metabolism, reproduction, longevity, and oxidative stress resistance. Exposure to singular coated-MNPs corresponded with a statistical decrease in their metabolic and acute oxidative stress resistance abilities, and revealed a trend towards lower reproduction and longevity. Taken together, these results add to the growing evidence that FeO coated-MNPs have an in vivo toxic effect on C. elegans. These findings advocate for a need to take safety precautions when discarding FeO coated-MNPs as they may pose a toxic health hazard to our environment and health.

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