NEW 'LITMUS TEST' COULD AID DISCOVERY OF ANTI-CANCER DRUGS

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Using the unusual color properties of gold at the nanoscale, scientists at Northwestern University have developed a "litmus test" for DNA and small molecule binding that eventually could be used by pharmaceutical companies to rapidly identify promising candidates for new anti-cancer drugs. The detection system, called colorimetric screening, can be used to detect a variety of targets, such as DNA, small molecules and proteins, that bind to DNA, and the strength of the bond is indicated by a simple color change.

Innovations-report.de (http://www.innovations-report.de/html/berichte/biowissenschaften_chemie/bericht-57263.html)