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Matrix-dependent signal suppression or enhancement represents a major drawback in quantitative analysis with liquid… Expand Background/Objectives:Growing evidence indicates that trans-fatty acids (TFA) adversely affect cardiovascular health. As part of… Expand A method is described for improving the sensitivity of peptide mapping with electrospray liquid chromatography--mass spectrometry… Expand Newly synthesized histone H4 is deposited in a diacetylated isoform in a wide variety of organisms. In Tetrahymena a specific… Expand Effects of cis and trans monounsaturated fatty acids (TFA) and saturated fatty acids were assessed in 29 men and 29 women… Expand A cytokine that can synergize with interleukin 2 to activate cytotoxic lymphocytes was purified to homogeneity. The protein… Expand The success of solid phase peptide synthesis utilizing 9-fluorenylmethoxycarbonyl (Fmoc) amino acids is often limited by… Expand We have developed a general two-step method for obtaining peptide fragments for sequence analysis from picomole quantities of… Expand The ability of heparin or that of hexuronyl hexosaminoglygan sulfate (HHS‐4) to protect basic or acidic fibroblast growth factor… Expand Brain and pituitary fibroblast growth factors (FGF) have been purified to apparent homogeneity from crude tissue extracts by a… Expand