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Home > Press > Scientists propose non-animal tools for assessing the toxicity of nanomaterials: Particle and Fibre Toxicology publishes recommendations from expert group meeting

Abstract:
A workshop organized last year by the PETA International Science Consortium Ltd has resulted in an article published today in the journal Particle and Fibre Toxicology. It describes aerosol generation and exposure tools that can be used to predict toxicity in human lungs following inhalation of nanomaterials.

Scientists propose non-animal tools for assessing the toxicity of nanomaterials: Particle and Fibre Toxicology publishes recommendations from expert group meeting

Washington, DC | Posted on April 26th, 2016

Nanomaterials are increasingly being used in consumer products such as paints, construction materials, and food packaging, making human exposure to these materials more likely. One of the common ways humans may be exposed to these substances is by inhalation, therefore, regulatory agencies often require the toxicity of these materials on the lungs to be tested. These tests usually involve confining rats to small tubes the size of their bodies and forcing them to breathe potentially toxic substances before they are killed. However, time, cost, scientific and ethical issues have led scientists to develop methods that do not use animals. The tools described in the new article are used to deposit nanomaterials (or other inhalable substances) onto human lung cells grown in a petri dish.

Co-authors of the Particle and Fibre Toxicology article are scientists from the PETA Science Consortium , The Dow Chemical Company, Baylor University, and the U.S. NTP Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM).

"Promoting non-animal methods to assess nanotoxicity has been a focus of the PETA International Science Consortium", said Dr. Monita Sharma, co-author of the publication and Nanotechnology Specialist at the Consortium, "we organized an international workshop last year on inhalation testing of nanomaterials and this review describes some of the tools that can be used to provide a better understanding of what happens in humans after inhaling these substances." During the workshop, experts provided recommendations on the design of an in vitro test to assess the toxicity of nanomaterials (especially multi-walled carbon nanotubes) in the lung, including cell types, endpoints, exposure systems, and dosimetry considerations. Additional publications summarizing the outcomes of the workshop are forthcoming.

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About PETA International Science Consortium Ltd.
The PETA International Science Consortium was established in 2012 to coordinate the scientific and regulatory expertise of its members - PETA UK, PETA US, PETA France, PETA Germany, PETA India, PETA Netherlands, PETA Asia, and PETA Australia. The Science Consortium works to accelerate and fund the development, validation, and global implementation of alternatives to testing on animals.

About Particle and Fibre Toxicology

Particle and Fibre Toxicology is a multi-disciplinary, open access, and peer-reviewed journal focused on understanding the physical properties and the chemistry of particles and fibres in relation to exposure in general and workplace environments and the resulting adverse human health effects.

For more information, please click here

Contacts:
Tasgola Bruner

404-907-4172

Copyright © PETA International Science Consortium Ltd.

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