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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 20 (1898), S. 121-125 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 21 (1899), S. 87-90 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 4 (1968), S. 339-344 
    ISSN: 1432-0428
    Keywords: Plasma Insulin ; radioimmunoassay ; insulin ; dextran ; albumin ; gamma globulin-charcoal complexes ; comparison with double antibody method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 1. L'utilisation de charbon recouvert de dextran permet un dosage radioimmunologique de l'insuline rapide, simple et relativement précis. — 2. Les facteurs affectant la sélectivité du dextran-charbon pour l'insuline et les complexes insuline-anticorps ont été examinés et les meilleures conditions d'opération ont été sélectionnées. — 3. La méthode originale a été modifiée afin de permettre l'usage d'un antisérum commercial. — 4. La justesse et la précision de la méthode ont été examinées et comparées avec celles de la méthode au double anticorps.
    Abstract: Zusammenfassung 1. Die Verwendung von dextranvorbehandelter Tierkohle erlaubt eine schnelle, einfache und relativ präzise radio-immunologische Insulinbestimmung. — 2. Die Faktoren, die das unterschiedliche Ansprechen von dextranvorbehandelter Tierkohle auf freies und antikörper-gebundenes Insulin beeinflussen, wurden untersucht und die günstigsten Bedingungen für die Durchführung der Untersuchung herausgearbeitet. — 3. Diese Modifikation der Originalmethode erlaubt auch die Verwendung des handelsüblichen Anti-Insulin-Serums. — 4. Die Richtigkeit und die Genauigkeit der beschriebenen Methode wurden mit der eines Doppel-Antikörper-Verfahrens verglichen.
    Notes: Summary 1. The use of dextran-coated charcoal allows a rapid, simple and relatively precise radioimmunoassay of insulin. — 2. The factors affecting the selectivity of coated charcoal for insulin and antibody-bound insulin have been examined and optimum operating conditions selected. — 3. The original method has been modified to allow the use of a commercially available antiserum. — 4. The accuracy and precision of the method have been compared with those of a double antibody technique.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 5 (1967), S. 0 
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Acidizing water wells to increase yield has proved to be an uneconomical method of well development or rehabilitation in some cases where the aquifer permeability was low and normal operating head great, in wells affected by methane gas, or where the practical sustained yield of the aquifer had been exceeded. Illinois studies show that controlled pumping tests before, during and after development are necessary to accurately evaluate the effectiveness of rehabilitation methods employed. Geologic definition of aquifers and records of pumpage and water-level information are invaluable aids.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 216 (1967), S. 1334-1335 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Albumin was obtained from Calbiochem as recrystal-lized human albumin grade B. It was seen to consist of only one immunological component when reacted in immunoelectrophoresis against anti-human serum (Burroughs Wellcome). Albumin solutions were prepared in 0-07 molar phosphate buffer, pH. 7-4, and ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 35 (1931), S. 3259-3271 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 98 (1917), S. 458-461 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Organisation of Industrial Research. IT is generally conceded by those engaged in the direction of industrial research that, in order to be efficient, research laboratories of this type should be as thoroughly equipped as possible. In the case of industrial concerns having a number of plants ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 852-853 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The cortisol-binding characteristics of two pools of normal human plasma have been determined at different temperatures, using ultrafiltration of plasma with precautions against adsorptive loss and ethanol denaturation as described earlier2. The unbound cortisol concentration in plasma water was ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 267 (1973), S. 127-128 
    ISSN: 1618-2650
    Keywords: Best. von Phthalsäureestern in Polyvinylchlorid, Weichmachern ; Chromatographie, Dünnschicht ; Spektralphotometrie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Eine dünnschicht-chromatographische Methode zur quantitativen Bestimmung von Phthalsäureestern in wäßrigen Weich-PVC-Extrakten wurde entwickelt. Als Lösungsmittel dient Petroläther-Diäthyläther-Eisessig (8∶2∶0,1); die Beschichtung besteht aus 0,2 mm Silicagel mit Fluorescenzzusatz. Nach Auftrennung und Elution erfolgt eine photometrische Auswertung.
    Notes: Abstract A thinlayer chromatographic method for the quantitative determination of phthalic acid esters in aqueous PVC-plastic extracts has been developed. Petroleum ether/diethyl ether/glacial acetic acid (8∶2∶0.1) is used as solvent; the plates are coated with 0.2 mm of silica gel with fluorescent agent. After separation and elution a photometric determination is performed.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Structure and properties of leucoflavin derivatives obtained through flavinsensitized photodecarboxylation of phenylacetate ions are described. The photoreduction of flavin with phenylacetate as donor is shown to be a quantitative photoalkylation, the benzyl residue entering either position 5 (nitrogen) or the bridge position 4a (carbon) of the flavin nucleus, depending on the conditions. The isomers were isolated, and identified by IR., NMR., and elementary analysis. The benzyl residue migrates from N(5) to C(4a) upon heating.
    Type of Medium: Electronic Resource
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