1. Singapore scientists produce in-vitro human skin to minimise use of animal testing
A piece of skin about the size of a thumbnail can be printed in less than a minute, scientists in Singapore have said – a game-changing step for the future of non-animal testing for cosmetics and other products
2. Nanoparticle exposure can awaken dormant viruses in the lungs
Nanoparticles from combustion engines can activate viruses that are dormant in lung tissue cells. This is the result of a study by researchers of Helmholtz Zentrum München, a partner in the German Center for Lung Research (DZL), which has now been published in the journal ‘Particle and Fibre Toxicology’.
3. Scientist find ways to cut nanoparticle toxicity levels
Bioengineers and biophysicists from the National Research Nuclear University MEPhI, the Sechenov First Moscow State Medical University, the Universite de Reims Champagne-Ardenne in France, and the University of Tubingen in Germany have discovered that the toxicity of nanoparticles depends more on their size and the extent to which their surface area is charged than on their chemical composition. ………
4. Behavior of Silver Nanoparticles in Natural Waters
An innovative technique has been recently developed by researchers to study the behavior of silver nanoparticles in natural waters. This breakthrough was made by a research team from the Resolv Cluster of Excellence at Ruhr-Universität Bochum………
5. WHO guidelines on protecting workers from potential risks of manufactured nanomaterials
The term nanomaterials refers to materials that have at least one dimension (height, width or length) that is smaller than 100 nanometres (10−7 metre), which is about the size of a virus particle. This particular size dimension represents a major characteristic of manufactured nanomaterials (MNMs). The unique properties of MNMs may result in better paints, better drugs and faster electronics. However, for the same reason, MNMs may also present health hazards that differ from those of the substance in bulk form, and may require different test methods for hazard, exposure and risk assessment from their bulk material counterparts. WHO proposes these guidelines to policy makers and professionals in the field of occupational health and safety with recommendations on how best to protect workers from the potential risks of MNMs………
6. A Study on Unpredictable Behavior of Nanoparticles
Nanoparticles behave in an extremely complex manner in the environment. In a large overview study, ETH environmental scientists have proved that currently there is a lack of systematic experimental data that could help in understanding the nanoparticles in a comprehensive way.……