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Op 8/24/2011 17:21, Chris Morris schreef: Hi Chris, Yes, I have seen quite a few inconsistencies in screen formulations. Errors in listed conditions include recipe changes, but also typos both in the vendor description and in the database entries. At the moment I'm building a list of all discrepancies of the screens in the Formulatrix database together with the date found. This is a tedious work in progress but I'm happy to share the list sofar with people interested (offline). It will be published on the web site when complete. In the meantime, it is wise to double-check each hit condition found on the vendor web site, and in the cases where the exact composition is not published ask the vendor directly. Flip > HI, > > I've recently seen two examples where the description of a screen in a local database was different to the current one on the manufacturer's web site. This happened in two different labs, using different software, and with different screen manufacturers. > > This could potentially lead to an optimisation screen that finds no hits, because the wrong condition is being optimised. Does anyone have experience of this? Am I just looking at a few one-off errors, or is there a general problem here? > > The ideal solution is for screen manufacturers to give version numbers to their screens. Failing that, a good fix at the laboratory is to download the screen description every time a deep-well plate is received, and second best would be to download it every time a trial plate is set up. If there is a real concern here, we will implement one of these in xtalPiMS. > > Regards, > Chris > > ____________________________________________ > Chris Morris > [log in to unmask] > Tel: +44 1925 603689 Fax: +44 1925 603825 > Mobile: 07921-717915 > http://pims.instruct-fp7.eu/ > STFC, Daresbury Lab, Daresbury, Warrington, UK, WA4 4AD >