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  • 1
    Electronic Resource
    Electronic Resource
    The Preparation of Xanthopterin (1949)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 71 (1949), S. 741-741 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01170a504
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  • 2
    Electronic Resource
    Electronic Resource
    Isolation and characterization of phycocyanins from the blue-green alga Spirulina platensis (1979)
    Springer
    Archives of microbiology 120 (1979), S. 155-159 
    Details
    ISSN: 1432-072X
    Keywords: Biliproteins ; c-Phycocyanin ; Allophycocyanin ; Blue-green alga ; Spirulina platensis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two main biliproteins c-phycocyanin and allophycocyanin were identified and characterized in the blue-green alga Spirulina platensis. The specific absorbance, fluorescence maxima, sub-unit make-up and amino acid composition of the biliproteins in Spirulina platensis resemble those reported for other blue-green algae. However, the minimum molecular weights (44,000 for c-phycocyanin and 38,000 for the allophycocyanin) and the specific extinction coefficients (73, and 58 for c-phycocyanin and allophycocyanin respectively) of these biliproteins were different from these values in other blue-green algae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00409102
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  • 3
    Electronic Resource
    Electronic Resource
    C-phycocyanin as a storage protein in the blue-green alga Spirulina platensis (1980)
    Springer
    Archives of microbiology 125 (1980), S. 143-147 
    Details
    ISSN: 1432-072X
    Keywords: Nitrogen starvation ; c-phycocyanin ; Blue-green alga ; Spirulina platensis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The possibility that c-phycocyanin serves as a nitrogen source in Spirulina platensis during nitrogen starvation was studied. The following evidence was obtained in support of this idea. 1. Under favourable conditions for growth, c-phycocyanin existed in large excess in the algal cells. 2. When the supply of nitrogen was low, about 30–50% of the c-phycocyanin disappeared without any effect on the maximal growth rate. 3. A culture which was deprived of nitrogen continued to grow unaffectedly for a period, the duration of which depended on the c-phycocyanin content in the cell before nitrogen starvation was initiated. 4. c-phycocyanin was the only nitrogenous compound that was depleted during the course of nitrogen starvation when growth was yet unaffected. 5. When protein synthesis was inhibited either by nitrogen starvation or by methionine sulfoximine (MSO), phycocyanin content began to decline immediately and growth continued at normal rates as long as c-phycocyanin did not decline below 50%. 6. The decrease in c-phycocyanin content during nitrogen starvation was accompanied by an increase in proteolytic activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403211
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  • 4
    Electronic Resource
    Electronic Resource
    INTERPRETATION OF FOOD INTAKE DATA OBTAINED IN CHRONIC TOXICITY TESTS (1955)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 63 (1955), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1955.tb36552.x
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  • 5
    Electronic Resource
    Electronic Resource
    Amelioration of Chilling Injuries in Cucumber Seedlings by Abscisic Acid (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 38 (1976), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Exposure of cucumber seedlings (Cucumis sativus L.) to chilling temperature resulted in injuries such as increased leakage of cellular materials, loss of water and wilting. In addition, the development of the seedlings after the exposure to chilling was impaired. Abscisic acid applied to the seedlings prior to chilling significantly ameliorated these injuries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1976.tb04865.x
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  • 6
    Electronic Resource
    Electronic Resource
    Chloroplasts, Kinetin and Protein Synthesis (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 24 (1971), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of kinetin on protein synthesis of isolated chloroplasts was investigated by following the incorporation of 14C-leucine into isolated chloroplasts from Nicotiana tabacum. The incorporation activity varied greatly during the year, being largest in the winter and smallest in the summer. Conversely, the relative effect of kinetin on the incorporation of 14C-leucine, whether applied as a pretreatment to the leaves or directly in the incubation medium, was largest in the summer and smallest or absent altogether in the winter. Kinetin did not prolong the net incorporation period, which lasted about 40 min, but only enhanced the initial rate of the reaction. Chloroplasts extracted from leaves that had been detached for 24 or 48 h displayed very little of their original, pre-aged incorporation activity and treating the leaves with kinetin did not, essentially, prevent this loss. It was concluded that the major effect of kinetin upon chloroplasts may be related primarily to an effect upon hydration and permeability of the chloroplast and its membranes, and not to an effect directly upon its machinery for protein synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1971.tb03474.x
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  • 7
    Electronic Resource
    Electronic Resource
    Interrelations between Gibberellic Acid, Cytokinins and Abscisic Acid in Retarding Leaf Senescence (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 24 (1971), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The interrelation between the effects of abscisic acid (ABA) and the effects of cytokinins and gibberellic acid in retarding leaf senescence was investigated. Leaf discs from plants of Taraxacum megallorrhizon, Rumex pulcber and Tropaeolum majus were floated on solutions of cytokinin or GA to which given amounts of ABA were added. After five days, chlorophyll was extracted and the amount estimated spectrophoto-metrically. The interrelation between the effects of abscisic acid and cytokinins differed from that between the effects of ABA and gibberellic acid. Abscisic acid reduced the senescence retarding effect of GA more than that of cytokinins. A high concentration of cytokinins nullified the senescence enhancing effect of low concentrations of ABA. GA did not reverse the effects of ABA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1971.tb06720.x
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  • 8
    Electronic Resource
    Electronic Resource
    Composition of Raw and Roasted Lamb and Mutton II. Amino Acids (1966)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 31 (1966), 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: Microbiological assay values are reported for content of 18 amino acids in separable lean of raw and roasted rib-loin and leg cuts of lamb and mutton. These values agreed well with values obtained in other laboratories. The amino acid content of lamb protein tended to be constant and was not affected by cut or by roasting. Retentions of amino acids in lamb lean after roasting were essentially complete.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1966.tb03283.x
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  • 9
    Electronic Resource
    Electronic Resource
    INTRODUCTION (1951)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 53 (1951), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1951.tb31948.x
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  • 10
    Electronic Resource
    Electronic Resource
    PATTERNED LOSS OF HAIR IN MAN; PATHOGENESIS AND PROGNOSIS (1951)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 53 (1951), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1951.tb31972.x
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