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  • 1
    Electronic Resource
    Electronic Resource
    Inhibition of Ascorbic Acid Oxidase by Thiourea (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1417-1418 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Extracts of seeds germinated for 48 hr. in thiourea had no activity whatever, while extracts of water-germinated seeds had a high oxygen uptake (408 (/I./ hr./lOO mgm. seeds original weight). Seeds germinated for such a period in thiourea contain 1"2 mgm. thiourea per gm. of dry seeds5. In view of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801417b0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Reduced Diphosphopyridine Nucleotide Oxidase in Lettuce Seeds (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 317-318 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. The oxidation of reduced diphosphopyridine nucleotide i n the presence and absence of ascorbic acid, x, No ascorbic acid added; O, 0.1 mgm. ascorbic acid/cuvette; , extract pre-incubated with 0.1 mgm. ascorbic acid for 7 min. before adding reduced diphosphopyridine nucleotide. (Each cuvette ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/182317b0
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  • 3
    Electronic Resource
    Electronic Resource
    Tactic Movements in Chlamydomonas moewussi (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 927-927 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When the gas phase was flushed with nitrogen, the tactic movement became less marked, but still existed. When the gas phase was swept out with carbon dioxide-free air and in addition the stream was bubbled vigorously through the solution for some time, there was complete settling out of the algae, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180927a0
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  • 4
    Electronic Resource
    Electronic Resource
    Determination of Indole Acetic Acid by the Salkowsky Reaction (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1670-1671 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Chance observation in this laboratory (by Blumen-thal-Goldschmidt) showed that the usual Tang-Bonner reagent gives a different and stronger colour with indole acetic acid in the presence of trichloroacetic acid. This reaction has been investigated in greater detail. It was found that a reagent for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821670a0
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  • 5
    Electronic Resource
    Electronic Resource
    Joint Action of Gibberellic Acid and Coumarin in Germination (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 826-827 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1. COMBINED ACTION OF GIBBERELLIC ACID AND CCUMARIN ON GERMINATION OF LETTUCE SEEDS. (RESULTS ARE GIVEN AS PER CENT GERMINATION.) Gibberellic acid concentration (M) 0-95 x 10-4 (33 p.p.m.) 1-9 x 10~4 3-8 x 10-* Coumarin concentration (M) 0 10-* 3-3 x 10-4 6-6 x 10- 74 13-5 97-5 32 100 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184826a0
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  • 6
    Electronic Resource
    Electronic Resource
    Properties and Solubility of Phenolase in Isolated Chloroplasts (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 464-465 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In order to examine further the chloroplast phenolase of sugar beet leaf, we have attempted to extract it by a number of methods. The preparation of chloroplasts and manometric determination of enzymic activities have been described previously2. Chloroplasts were macerated by hand in an all-glass ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185464a0
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  • 7
    Electronic Resource
    Electronic Resource
    Control of Seed Germination (1974)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology 25 (1974), S. 167-193 
    Details
    ISSN: 0066-4294
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.25.060174.001123
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  • 8
    Electronic Resource
    Electronic Resource
    Seed Germination (1962)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology 13 (1962), S. 437-464 
    Details
    ISSN: 0066-4294
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.13.060162.002253
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  • 9
    Electronic Resource
    Electronic Resource
    Lack of Effect of Polyvinyl Alcohol on the Growth and Chlorophyll Content of Green Algae (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 213-213 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In view of the possible significance of these findings for the mass culture of algae it was decided to re-investigate them. The algae were grown in Roux bottles in the greenhouse on a shaker as previously described3. A stream of air was passed through the bottles. Controls and cultures to which ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/201213a0
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  • 10
    Electronic Resource
    Electronic Resource
    Botanical decline (1975)
    [s.l.] : Nature Publishing Group
    Nature 257 (1975), S. 736-736 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-The declining interest in the botanical sciences is causing concern to biologists, and especially plant scientists all over the world. The implications of declining interest in plants are far reaching, particularly when the need for increasing food supplies becomes more and more urgent. It is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/257736d0
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