ArticleMethods in molecular biology (Clifton, N.J.)2015
Purification of Tryptic Digests on Polyvinylidene Difluoride Membrane.
Article in Methods in molecular biology (Clifton, N.J.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 1 citations in OpenAlex.
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2 authors at 1 institution in 1 country.
Funding
Abstract
Minor impurities in tryptic peptide digests can affect the signal obtained in matrix-assisted laser desorption ionization time-of-flight mass spectrometry. Therefore, it becomes necessary to purify the digests, especially those that fail to yield good mass spectra. Here, we describe a simple protocol using polyvinylidene difluoride membrane for purifying tryptic peptides prior to mass spectrometric analysis. The tryptic digest is spotted on a polyvinylidene difluoride membrane, air-dried, and washed. The membrane is then extracted with trifluoroacetic acid/acetonitrile and the extract is then subjected to matrix-assisted laser desorption ionization time-of-flight mass spectrometry. This method enabled us to identify a cross-reactive D1 autoantigen on the surface of neutrophils that bound antibodies targeting Ro 60 autoantigen in systemic lupus erythematosus.
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