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  • Artikel: DFG Deutsche Nationallizenzen  (38)
  • 11
    Digitale Medien
    Digitale Medien
    Nature and Location of Phenolase in Germinating Lettuce (1961)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 14 (1961), S. 0 
    Details
    ISSN: 1399-3054
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1399-3054.1961.tb07868.x
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  • 12
    Digitale Medien
    Digitale Medien
    Botanical decline (1975)
    [s.l.] : Nature Publishing Group
    Nature 257 (1975), S. 736-736 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/257736d0
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  • 13
    Digitale Medien
    Digitale Medien
    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
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/201213a0
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  • 14
    Digitale Medien
    Digitale Medien
    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
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1821670a0
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  • 15
    Digitale Medien
    Digitale Medien
    Tactic Movements in Chlamydomonas moewussi (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 927-927 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/180927a0
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  • 16
    Digitale Medien
    Digitale Medien
    Inhibition of Ascorbic Acid Oxidase by Thiourea (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1417-1418 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1801417b0
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  • 17
    Digitale Medien
    Digitale Medien
    Properties and Solubility of Phenolase in Isolated Chloroplasts (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 464-465 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/185464a0
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  • 18
    Digitale Medien
    Digitale Medien
    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
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/184826a0
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  • 19
    Digitale Medien
    Digitale Medien
    Respiration and Utilization of Storage Materials in Wild and Cultivated Pea Seeds during Germination (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 38 (1976), S. 0 
    Details
    ISSN: 1399-3054
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Breakdown of storage materials, oxygen uptake, respiratory control and ADP/O ratios in the cotyledons of the garden pea P. sativum and in the wild pea P. elatius were compared. Starch and protein degradation was slower in P. elatius than in P. sativum. Embryo growth began later in the wild pea. However, in the garden pea the mitochondria were uncoupled after about 48 h of germination, while in P. elatius the ability to carry out oxidative phosphorylation was maintained for 4 days. The respiratory control ratio was higher in the wild pea at all stages of germination and a steady level of oxygen uptake was maintained in the cotyledons for at least 3 days.The findings are discussed in relation to the ecological requirements for germination in the two species.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1399-3054.1976.tb04871.x
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  • 20
    Digitale Medien
    Digitale Medien
    Photosynthetic and Dark Fixation of 14CO2 in Detached Soybean Cotyledons (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 20 (1967), S. 0 
    Details
    ISSN: 1399-3054
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Detached soybean cotyledons fixed CO2 both in the light and dark. Carbon dioxide fixed by the light and dark reactions replaced only a small portion of CO2 lost by respiration up to the 10th day. In the dark most of the 14C label was found in the acidic fraction, while in the light 65 per cent of the activity was found in the neutral and basic fractions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1399-3054.1967.tb07134.x
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