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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Sensitive and specific determination of clindamycin in human serum and bone tissue applying liquid chromatography-atmospheric pressure chemical ionization-mass spectrometry.

A method for the quantification of clindamycin in human serum and in human bone tissue samples applying high-performance liquid chromatography with atmospheric pressure chemical ionization-mass spectrometry (APCI-MS) is presented. Lincomycin is used as the internal standard. Serum samples are prepared only by protein precipitation with acetonitrile. Bone tissue samples have to be crushed and homogenized in extraction buffer prior to analysis. The chromatographic separation is achieved on an RP-18 stationary phase with 0.02% trifluoroacetic acid in water 60%/ acetonitrile 40% v/v as mobile phase. The limits of quantification are 0.1 microg/ml for serum samples and 0.1 microg/g for bone tissue samples. The coefficients of variation for the assays are 4.48 and 8.41% at the limit of quantification for serum and bone tissue samples, respectively. Bone tissue samples as small as 50 mg can be used.[1]

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