Resolving isomeric peptide mixtures: a combined HPLC/ion mobility-TOFMS analysis of a 4000-component combinatorial library. Srebalus, B., Hilderbrand, A., E., Valentine, S., J., & Clemmer, D., E. Analytical chemistry, 74(1):26-36, 1, 2002. Paper Website abstract bibtex A reversed-phase high-performance liquid chromatography (HPLC) separation approach has been combined with ion mobility/time-of-flight (TOF) mass spectrometry in order to characterize a combinatorial peptide library designed to contain 4000 peptides of the general form NH2-Xxx-Xxx-XXX-CO2H, NH2-Ala-Xxx-Xxx-Xxx-CO2H, NH2-Ser-Ala-Xxx-Xxx-Xxx-CO2H and NH2-Leu-Ser-Ala-Xxx-Xxx-Xxx-CO2H (where Xxx represents a randomization over 10 different amino acids: Ala, Arg, Asp, Glu, Gly, Leu, Lys, Phe, Ser, and Val). Addition of the gas-phase mobility separation between the HPLC separation and TOF measurement dimensions makes it possible to resolve many peptide isomers that have identical retention times (and masses).
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title = {Resolving isomeric peptide mixtures: a combined HPLC/ion mobility-TOFMS analysis of a 4000-component combinatorial library.},
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abstract = {A reversed-phase high-performance liquid chromatography (HPLC) separation approach has been combined with ion mobility/time-of-flight (TOF) mass spectrometry in order to characterize a combinatorial peptide library designed to contain 4000 peptides of the general form NH2-Xxx-Xxx-XXX-CO2H, NH2-Ala-Xxx-Xxx-Xxx-CO2H, NH2-Ser-Ala-Xxx-Xxx-Xxx-CO2H and NH2-Leu-Ser-Ala-Xxx-Xxx-Xxx-CO2H (where Xxx represents a randomization over 10 different amino acids: Ala, Arg, Asp, Glu, Gly, Leu, Lys, Phe, Ser, and Val). Addition of the gas-phase mobility separation between the HPLC separation and TOF measurement dimensions makes it possible to resolve many peptide isomers that have identical retention times (and masses).},
bibtype = {article},
author = {Srebalus, BarnesCatherineA and Hilderbrand, Amy E and Valentine, Stephen J and Clemmer, David E},
journal = {Analytical chemistry},
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