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  • Nature Publishing Group  (10)
  • American Physical Society  (9)
  • 1955-1959  (7)
  • 1950-1954  (7)
  • 1935-1939
  • 1930-1934  (5)
Collection
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Occurrence of a Trypanosome in Triatoma rubrofasciatus in Calcutta (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 35-35 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Of forty-five specimens collected from different parts of Calcutta and examined, thirty-six adult insects and nymphs harboured in their guts a large number of trypanosomes in various stages of development. For the purpose of observation each insect was treated in the following manner. The entire ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167035a0
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  • 2
    Electronic Resource
    Electronic Resource
    Chemical Nature of Nucleic Acids in Cyanophyceae (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 95-96 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The deoxyribonucleic acid separated from Nostoc muscorum gives a positive test with the Dische reagent, indicating the presence of deoxypentose-sugar. Chromatographic analysis of the hydrolysate according to the procedure of Wyatt2 revealed only three spots of bases, corresponding to guanine, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/177095b0
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  • 3
    Electronic Resource
    Electronic Resource
    Slow Disappearance of Fluorescence in Thionine on Addition of Abietic Acid (1955)
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 214-215 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It can be seen from Fig. 1 (curves 1, 2 and 3) that the higher the concentration of the acid or the dye, the more rapid is the quenching. Curve 4 shows that a higher temperature brings about faster quenching, and curve 5 shows that the medium strongly influences the process, n-butyl alcohol ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/176214a0
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  • 4
    Electronic Resource
    Electronic Resource
    Synthesis of Munjisthin. (1930)
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 761-761 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MUNJISTHIN, a dihydroxyanthraquinone carboxylio acid occurring in Rubia tinctorum, Rubia sikkimensis, and Rubia munjistha, has been synthesised by us in the following way : 2 chloro-6-methoxy toluene (Ullmann and Pan-chaud; Annalen, 350, 108; 1906) is condensed with phthalic anhydride in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/126761a0
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  • 5
    Electronic Resource
    Electronic Resource
    Synthesis of Munjisthin. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 166-166 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A MISTAKE in nomenclature has, through our inadvertence, crept into our communication on the “Synthesis of Munjisthin”, published in NATURE of Nov. 15, 1930, page 761, which we hasten to rectify. In line 6, par. 2, instead of " 2 - chloro - 3 methyl -4 methoxy ", read " 1 - chloro - 2 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127166e0
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  • 6
    Electronic Resource
    Electronic Resource
    Freshwater Biological Research in the Indian Empire. (1930)
    [s.l.] : Nature Publishing Group
    Nature 125 (1930), S. 670-670 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE read with deep interest the article by Prof. F. E. Fritsch under the title of “Research in Freshwater Biology and the Functions of a Freshwater Biological Station”, published in NATURE of Feb. 15 (vol. 125, p. 241). Work in this line is imperative in the Indian Empire. Algological ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/125670a0
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  • 7
    Electronic Resource
    Electronic Resource
    Surface-active Characteristics of Sodium Anacardate isolated from Cashew Nut Shell Oil (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1299-1300 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Shell liquid extracted with 95 per cent ethyl alcohol was saponified and the non-saponifiable material was removed by extraction with ethyl ether. Stage-wise liberation of cardol and then of anacardic acid (followed by separate extractions with ethyl ether), was carried out by passing carbon ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821299b0
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  • 8
    Electronic Resource
    Electronic Resource
    Thioctic Acid and Photosynthetic Fixation of Carbon Dioxide (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1219-1220 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seven-day old cultures of Chlorella pyrenoidosa and Sce ±edesmus bliquus were centrifuged down at 12 C. in an MSE centrifuge and resuspended in 10 ml. phosphate buffer of pH. 6-8. The cells were then incubated with different concentrations of thioctic acid and 30 JJLC. of sodium ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811219a0
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  • 9
    Electronic Resource
    Electronic Resource
    Relationship between Auxins and Nucleic Acid Synthesis in Coleoptile Tissues (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1824-1825 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seeds of Avena sativa var. N.P.I and Oryza sativa var. Rupsail were used. The seeds were germinated in the dark with occasional red light for 3 days. The coleoptiles were then decapitated at 2-3 mm. and floated on water for 2 hr. to free them from any endogenous auxin. After a further decapitation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831824b0
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  • 10
    Electronic Resource
    Electronic Resource
    Photo-Oxidation of Nitrite to Nitrate (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 213-214 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is considerable difference of opinion regarding the possibility of the oxidation of nitrites by oxygen to nitrates. Berzelius reported that when aqueous solutions of alkali nitrites are boiled in air, they absorb oxygen with the formation of nitrates. G. Lunge and E. Frémy, J. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133213b0
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