Researchers Write Protein Nanoarrays Using A Fountain Pen And Electric Fields

Most tools capable of patterning on the nanoscale were developed for the silicon microelectronics industry and cannot be used for soft and relatively sensitive biomaterials such as DNA and proteins. Now researchers have demonstrated the ability to rapidly write nanoscale protein arrays using a tool they call the nanofountain probe. The probe works much like a fountain pen, only on a much smaller scale, and the "ink" is the protein solution.

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