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Need Help! Converting titer to microgram

  1. May 22, 2013 #1
    I'm not the best at math and I've been asked to recruit for a study, but with lab results they feed out only in titers. My request is in microgram, how do I convert a titer (A titer (or titre) is a way of expressing concentration.[1] Titer testing employs serial dilution to obtain approximate quantitative information from an analytical procedure that inherently only evaluates as positive or negative. The titer corresponds to the highest dilution factor that still yields a positive reading.[2] For example, positive readings in the first 8 serial twofold dilutions translate into a titer of 1:256 (i.e., 2−8)) into a microgram (µg or mcg)? Can anyone help me and figure it out?
     
  2. jcsd
  3. May 22, 2013 #2

    Simon Bridge

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    Welcome to PF;
    You also need the initial concentration in mass/vol.
     
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