My original question was:
> Some years ago, I remember hearing about a microscope that used *visible* light combined with some proprietary image processing algorithm to
> distinguish between protein crystals, salt, and background. I can't remember the company name or researchers involved.
>
> Has anyone here heard of this?
None of the answers I received sound like what I remember. Nonetheless, there are two companies that apparently offer visible-light technology for recognizing crystals:
(a) Tritek: proteincrystalimaging.com/index.php
(b) Jan Scientific: (VISEX) see smb.slac.stanford.edu/news/Visex.pdf (their listed products seem to be UV-based, but apparently this one is visible.)
Both of these are proprietary commercial products, so it is impossible to know exactly what they are doing.
Richard Gillilan
MacCHESS
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