Selective immobilization of proteins to self-assembled monolayers presenting active site-directed capture ligands

Supporting information for Hodneland et al. (2002) Proc. Natl. Acad. Sci. USA99 (8), 5048–5052. (10.1073/pnas.072685299)



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Fig. 7. Mass spectrometric analysis of compound 6. (A) MALDI-ToF spectrum of 6 in methanol with 2,5-dihydroxybenzoic acid matrix. (B) Detailed view around the molecular ion peak. Ions were detected as a complex containing one sodium ion [m/z (calc.) = 1119.6, m/z (exp.) = 1121.2], and the difference (1.6 atomic mass unit) was within the margin of error for the instrument. A peak for M-16 also was observed, which is likely due to loss of an oxygen atom from 6.

This Article

  1. PNAS April 16, 2002 vol. 99 no. 8 5048-5052
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