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Hyperthermia treatment of cancer using magnetic nanoparticles: Detailed elucidation of heat generation mechanism

Scienists have investigated theoretically the mechanism of hyperthermic potentiation of cancers using magnetic nanoparticles, which enables selective heating of hidden micro cancer tissue, and clarified the fact that the nanoparticles under large magnetic fields form unique oriented states, depending respectively on subtle differences in their local environment in the cancer tissue and consequently affect the optimum heating conditions.

Posted: Dec 22nd, 2011

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Researchers develop paint-on solar cells (w/video)

Imagine if the next coat of paint you put on the outside of your home generates electricity from light-electricity that can be used to power the appliances and equipment on the inside. A team of researchers at the University of Notre Dame has made a major advance toward this vision by creating an inexpensive "solar paint" that uses semiconducting nanoparticles to produce energy.

Posted: Dec 21st, 2011

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Silk microneedles deliver controlled-release drugs painlessly

Bioengineers at Tufts University School of Engineering have developed a new silk-based microneedle system able to deliver precise amounts of drugs over time and without need for refrigeration. The tiny needles can be fabricated under normal temperature and pressure and from water, so they can be loaded with sensitive biochemical compounds and maintain their activity prior to use. They are also biodegradable and biocompatible.

Posted: Dec 21st, 2011

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Information gathering schemes on nanomaterials: Lessons learned and reported information

This document presents lessons learned from information gathering surveys carried out by OECD countries and summarises non-confidential business information and statistics on nanomaterials. It includes useful information on how to design/implement information gathering surveys and the most commonly used nanomaterials along with use patterns and volumes used among OECD countries.

Posted: Dec 21st, 2011

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Consumer Safety Groups file first lawsuit on risks of nanotechnology

Concerned by the growing body of scientific reports cautioning against the unregulated use of nanotechnology in consumer products, a coalition of nonprofit consumer safety and environmental groups sued the Food and Drug Administration (FDA) today. The case is the first lawsuit over the health and environmental risks of nanotechnology and nanomaterials.

Posted: Dec 21st, 2011

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Killing cancer cells with plasmonic nanocrosses

Researchers have developed gold plasmonic nanocrosses that are particularly suited to eliminating cancer cells in cancer therapy. The team demonstrated the usefulness of these nanocrosses by using them to kill human lung cancer cells.

Posted: Dec 21st, 2011

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Seven things you may not know about catalysis

Catalysts are one of those things that few people think much about, beyond perhaps in high school chemistry, but they make the world tick. Almost everything in your daily life depends on catalysts: cars, Post-It notes, laundry detergent, beer.

Posted: Dec 20th, 2011

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