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P F Crain

Publications and source records attributed to P F Crain.

57 records · Page 4Linked to original sources

New techniques for the rapid characterization of oligonucleotides by mass spectrometry.

Recent advances in combined HPLC/electrospray ionization-mass spectrometry provide effective new capabilities for the rapid characterization of oligonucleotides. Accurate mass measurements with errors < 0.3 Da, and determination of base and sugar modification and of nearest neighbor identities, can be routinely carried out on 10-100 component mixtures of RNA or DNA. These procedures are widely applicable in structural and analytical studies involving mixtures of oligonucleotides.

Chromatography, High Pressure Liquid↗