Results 91 to 100 of about 3,589 (204)
, 2009 Accurate information on the age of wild-caught animals is valuable for a variety of areas, but can be particularly difficult to obtain for small holometabolous insects, whose body size is fixed at the time of pupal eclosion. A variety of chemical groups,
Robson, Simon K.A., Crozier, Ross H.
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, 1985 Lectin stimulation of human peripheral blood mononuclear cells causes an increase in neopterin, biopterin, 6-hydroxymethylpterin and 6-formylpterin, as was determined by HPLC after iodine oxidation of the acid extract.
Ziegler, I., I. Ziegler
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, 2015 We really appreciate the comments from Drs. Reibnegger and Fuchs regarding our recent publication Normalization of urinary pteridines by urine specific gravity for early cancer detection [Clin. Chim. Acta 435 (2014) 42-47] .
Shi, Honglan, Ma, Yinfa, Burton, Casey
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Highly regioselective 6-exo-dig iodo/bromo cyclizations of functionalized 5-amino propargyl pyrimidinones: an efficient synthesis of functionalized pteridines. [PDF]
RSC Adv, 2023 Naikoo RA +4 more
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, 1971 The degree of chemical instability of pteridines (related to xanthopterin) and purines (related to uric acid) in seawater was studied with a view (i) to assess its role in the ecological turnover of these compounds in the marine environment, (ii) to ...
Landymore, Arthur Frederick
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Studies in the stability of bonds between fibre-reactive dyes and cellulose [PDF]
, 1983 A breakdown of the bond between dyes containing a 2,4-fluoro-5-chloropyrimidinyl reactive group and cellulose occurs when the dyeing is treated at room temperature in a detergent containing sodium perborate or an equivalent amount of hydrogen peroxide ...
Rocha Gomes, Jaime Isidoro Naylor
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Triazolopteridines. I. Simple s-Triazolo[4,3-c]pteridines and their derived [1,5-c] isomers
, 1981 The reaction of appropriate pteridin-4-ylhydrazines (3) with orthoesters has been used to prepare s-triazolo[4,3-c]pteridine (la) and some C-methylated derivatives.
K Shinozuka, DJ Brown
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Urinary neopterin concentrations vs total neopterins for clinical utility
, 1989 Fuchs D, Milstien S, Krämer A, et al. Urinary neopterin concentrations vs total neopterins for clinical utility. Clinical Chemistry. 1989;35(12):2305-2307.Neopterin measurements are especially useful as an early marker in (e.g.) allograft rejections and ...
Werner, Ernst R. +7 more
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, 1977 The present work is concerned with the effect of pteridines and pteridine analogues on growth and development of D. discoideum. Protein and DNA synthesis during growth and development and the action of p-aminobenzoic add and sulfanilamide on growth and ...
Toye, Emmanuel O.
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Chromatographic comparison of pteridines in white locus alleles of drosophila melanogaster
, 1968 Thin film chromatographic pteridine analyses were made of the heads of inbred Oregon-R wild type, white and white-honey adult flies isogenic for an Oregon-R background. Flies were of successive ages between 1 and 32 days. Differences due to the action of
Bennett, Katherine W.
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