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Home > News > Gold nanoparticles and catalytic DNA produce colormetric lead sensor

May 15th, 2003

Gold nanoparticles and catalytic DNA produce colormetric lead sensor

Detecting the presence of hazardous lead paint could become as simple as pressing a piece of paper against a wall and noting a color change. The colorimetric sensor is based upon DNA-gold nanoparticle chemistry, and could be used for sensing a variety of environmental contaminants.


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