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Bob Murray

I did see the neat item by Jennifer G., on the ingenious and useful marriage of optical microscopy and a mass spectrometer. I guess it is a tricky bit of equipment to get working properly but I can see its value for identifying where atomic markers may be in the cell. Unfortunately the wavelength of light remains and in most situations you would be lucky to attain 50 nm. I suspect that the smaller items are detectable but not really resolved. The Nature article was on target in stating the remarkable attainments in cell biology due to having the new forms of light microscopy and subtle technology of various ways of attaining specific visual identification of nature and place.

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