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Nanobiotechnology

Net charge of trace proteins

Isoelectric points of small samples of proteins can now be measured using atomic force microscopy and substrates with a known charge.

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Figure 1: Measuring the isoelectric point of a protein by atomic force microscopy.

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Correspondence to Gilbert C. Walker.

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Walker, G. Net charge of trace proteins. Nature Nanotech 11, 739–740 (2016). https://doi.org/10.1038/nnano.2016.143

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