New lab-on-a-chip device to speed proteomics research

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This zoom-in Scanning Electron Microscope image shows a five-nozzle M3 emitter where each nozzle measures 10x12 microns. Credit: Daojing Wang Lawrence Berkeley National Laboratory
This zoom-in Scanning Electron Microscope image shows a five-nozzle M3 emitter, where each nozzle measures 10x12 microns. Credit: Daojing Wang, Lawrence Berkeley National Laboratory

In recent years, the science of biology has been dominated by genomics – the study of genes and their functions. The genomics era is now making way for the era of proteomics – the study of the proteins that genes encode. Future proteomics research should see a substantial acceleration with the development of a new device that provides the first monolithic interface between mass spectrometry and silicon/silica-based microfluidic "lab-on-a-chip" technologies. This new device, called a multinozzle nanoelectrospray emitter array, was developed by scientists with the DoE’s Lawrence Berkeley National Laboratory.


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