Titlebook: Simson on Porisms; An Annotated Transla Ian Tweddle Book 2000 Springer-Verlag London 2000 History of Mathematics.Porisms.Robert Simson.geom

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Ian Tweddlees the activity of enzymes such as elastase, trypsin, and chymotrypsin The molecule consists of a single polypepide chain of 394 amino acids, with three sugar chains that are .-linked to asparagine residue at positions 46, 83, and 247 (.-.).The major chemical structures of the sugar chains have been

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Pedagogy

Ian Tweddleare based on the detection of carboxyl and sulfate groups or periodic acid reactive configurations (.,.). Starting in the late 1960s lectins have replaced many of these chemical staining reactions because of their high specificity for defined monoand oligosaccharidic sequences in both .- and .-glyco

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ties still remain in the interpretation of experimental findings. This is particularly so for phenomena involving phospholipid function in the central nervous system. This book incorporates the proceedings of the Fourth International Colloquium on Lecithin, which took place in Chicago, Illinois, USA

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Ian Tweddleght contribute to regulation of cellular growth and rate of division. This chapter reviews evidence showing that various phospholipids are essential to cellular survival and growth. The special role of phosphatidylcholine in survival of cholinergic neurons, and changes in phospholipid turnover durin

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Ian Tweddlelinkages (.), lectins such as the . lectin (.), the . lectin (.), and . lectin (.) react with well defined processing intermediates of asparagine-linked oligosaccharides. Another example for such a high degree of specificity is provided by sialic acid-specific lectins such as the . lectin I (.), the

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Ian Tweddle that monitor the aging of glycoconjugates in circulation (.,.,.,.). They are now implicated in mechanisms of molecular targeting and segregation within the endomembrane systems of cells (.-.), in calcium transport in mitochondria (.), the handling of mRNA and its export from the nucleus, the regula

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