Making sure your nanoparticles are pure

Many of the nanoparticles you read about on this site that hold possibilities for drug delivery are actually hybrids of two or more particles that work together. So, a challenge, according to researchers, is to ensure the purity of the nanoparticles when they are fused together to form a drug-delivery device. A team of Penn State researchers has devised a system that uses magnetism to make sure we're only getting the pure stuff in our nano-delivery vehicles. Penn State release

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