Nanochemistry on a Biochip
E.coli bacteria adhere to six posts of a microfluidic biochip; light blue, green, and yellow colors in a consecutive circles pattern show increasing densities near the center of each post The stained bacterial cells shown in this image are part of a prototype " lab on a chip" sensor system designed by NIST scientists and collaborators. The cells adhere to posts constructed within microscopic channels of a plastic sensor device. The blue, green and yellow colors reflect increasing densities of cells, which eject potassium in the presence of certain chemicals.



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