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  • 1
    Electronic Resource
    Electronic Resource
    CONDENSED TANNINS OF RAPESEED MEAL (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The study was undertaken to determine the amount and nature of condensed tannins in rapeseed meal. No condensed tannins were found in rapeseed meats (endosperm plus germ). The hulls, however, yielded 0.1% condensed tannins by 70% aqueous acetone extraction, the bulk of the condensed tannins in the hulls being unextractable by the extractants used. The basic unit of the isolated polymeric flavanols appeared to be leucocyanidin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1979.tb06427.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Purine metabolism in human lymphocytes (1979)
    Springer
    Annals of hematology 38 (1979), S. 447-455 
    Details
    ISSN: 1432-0584
    Keywords: Lymphozyten ; Purinstoffwechsel ; Adenin ; Guanin ; Hypoxanthin ; Lymphocytes ; Purine metabolism ; Adenine ; Guanine ; Hypoxanthine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary In peripheral human blood lymphocytes the uptake and metabolism of adenine, guanine, and hypoxanthine was investigated. This was achieved by incubation of purified lymphocytes with14C-purine bases, separation of cells from the incubation medium by a rapid filtration technique, and subsequent separation of the acid soluble material by thin-layer chromatography. No preferential uptake for one of the purine bases was observed. In all cases only traces of14C-purine bases not added originally and labeled nucleosides could be demonstrated. Approximately 2/3 of adenine and 1/2 of guanine or hypoxanthine were converted to nucleotides. Separation of formed nucleotides showed that adenine and guanine were metabolized mainly to their corresponding nucleotides; hypoxanthine was converted to a considerable amount to adenine nucleotides and only to a small proportion into its own nucleotides. These results demonstrate the predominance of adenine nucleotide formation in normal human lymphocytes.
    Notes: Zusammenfassung In peripheren menschlichen Lymphozyten wurden die Aufnahme und der Stoffwechsel von Adenin, Guanin und Hypoxanthin untersucht. Die gereinigten Lymphozyten wurden mit14C-markierten Purinbasen inkubiert und anschlie\end vom Inkubationsmedium mittels rascher Filtrationstechnik getrennt. Eine bevorzugte Aufnahme einer der Purinbasen konnte nicht beobachtet werden. Die dünnschichtchromatographische Auftrennung der säurelöslichen Metabolite ergab kaum eine Bildung von Nukleosiden und anderen als den zugesetzten Purinbasen. Adenin wurde zu ca. 2/3, Guanin und Hypoxanthin hingegen zu etwa der Hälfte zu Nukleotiden aufgebaut, wobei Adenin und Guanin hauptsächlich zu ihren eigenen, Hypoxanthin jedoch zu Adeninnukiektiden metabolisiert wurde. Die Ergebnisse weisen auf die bevorzugte Bildung von Adeninnukleotiden in normalen menschlichen Lymphozyten.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01013505
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  • 3
    Electronic Resource
    Electronic Resource
    Die Reindarstellung von Anti-BOP-Antikörpern mittels Affinitätschromatographie (1977)
    Springer
    Monatshefte für Chemie 108 (1977), S. 1-6 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The purification of anti-BPO-antibodies and anti-BPO-IgG resp. by means of affinity chromatography is being described. The immunosorbent was prepared by direct covalent coupling of BPO groups to AH-Sepharose 4B beads. The antibodies were linked to the immunosorbent in a batch and eluted by stepwise chromatography. The hapten density of the gel was very high (3.6×10−5 mole BPO/1 g Sepharose 4B) as could be demonstrated by application of14C-penicillin-potassium. Good yields of highly purified anti-PBO-antibodies were obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00900901
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  • 4
    Electronic Resource
    Electronic Resource
    Enzymes of the purine interconversion system in chronic lymphatic leukemia: Decreased purine nucleoside phosphorylase and adenosine deaminase activity (1979)
    Springer
    Annals of hematology 39 (1979), S. 309-315 
    Details
    ISSN: 1432-0584
    Keywords: Chronisch-lymphatische LeukÄmie ; Enzyme des Purin-Interconversionssystems ; Purin-Nucleosid-Phosphorylase ; Adenosin-Deaminase ; Chronic lymphatic leukemia ; Purine interconversion system enzyme activities ; Purine nucleoside phosphorylase ; Adenosine deaminase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Activities of adenosine deaminase (ADA), adenosine kinase (AK), adenine phosphoribosyltransferase (APRT), hypoxanthine guanine phosphoribosyltransferase (HGPRT), and purine nucleoside phosphorylase (PNP), all enzymes of the purine interconversion system, were determined in lymphocytes of 25 patients with chronic lymphatic leukemia (CLL) and in 23 controls. A statistically significant decrease of PNP activities and a reduction of ADA activities at borderline levels were found in the patients, whereas for the other enzymes assayed no deviation from normal values was observed.
    Notes: Zusammenfassung Bei 25 Patienten mit chronisch-lymphatischer LeukÄmie (CLL) und 23 Kontrollpersonen wurden die AktivitÄten der Purin-Interconversionsenzyme Adenosin Deaminase (ADA), Adenosin Kinase (AK), AdeninPhosphoribosyltransferase (APRT), Hypoxanthin-Guanin-Phosphoribosyl-transferase (HGPRT) und Purin-Nucleosid-Phosphorylase (PNP) bestimmt. Dabei konnte bei den Patienten mit CLL eine statistisch signifikant verminderte PNP-AktivitÄt sowie eine grenzwertig reduzierte ADA-AktivitÄt festgestellt werden, wÄhrend die AktivitÄten der anderen untersuchten Purin-Interconversionsenzyme im Normalbereich lagen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01014193
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