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  • 1
    Electronic Resource
    Electronic Resource
    Bromination of Nucleic Acids and their Derivatives (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1603-1605 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Suzuki and Ito1 have reported the effects of bromine on the ultra-violet absorption spectra of some purines, pyrimidines and nucleosides. There was almost complete elimination of the characteristic maxima in the absorption in the region 245-280 m[z, except for adenosine, which was practically ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831603a0
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  • 2
    Electronic Resource
    Electronic Resource
    Epidermal Transplantation during Chemical Carcinogenesis (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1080-1080 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mice were painted with methylcholanthrene (0.3 per cent in acetone) once a week for twelve weeks on the skin of the right scapular region (referred to as the treated area?). They were then left untreated for two weeks, the few animals with tumours discarded, and the remainder subjected to one of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1661080a0
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  • 3
    Electronic Resource
    Electronic Resource
    Lethal Action of Sugars on Ascites Tumour Cells in vitro (1967)
    [s.l.] : Nature Publishing Group
    Nature 213 (1967), S. 308-309 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Preliminary tests using the ox liver fraction, D-glucose, D-mannose, L-rhamnose and D-ribose were carried out according to the directions of Tsuda et al. In the absence of definite specifications in the communication, the sugars were dissolved in phosphate buffered saline (without calcium or ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/213308a0
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  • 4
    Electronic Resource
    Electronic Resource
    Demonstration of Interaction Products of Adenine and Adenosine Phosphates with Formaldehyde (1961)
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 336-338 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENTLY, Alderson1 ascribed a special role to adenylic acid as the mediator of the mutagenic action of formaldehyde on Drosophila larvae, the main postulated agent being an 'adenylate dimer' produced by the interaction of formaldehyde with the amino-group of this purine derivative in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/192336a0
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  • 5
    Electronic Resource
    Electronic Resource
    Rat serumpara-phenylene diamine oxidase reaction during azo dye carcinogenesis (1961)
    Springer
    Cellular and molecular life sciences 17 (1961), S. 352-354 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Dans le sérum sanguin, on a constaté une diminution de l'activité de lap-phénylènediamine-oxydase pendant l'administrationper os de diméthylaminoazobenzène. En ajoutant de l'acétate de cuivre dans l'alimentation, l'éffet sur le sérum sanguin est moindre. Le monométhylaminoazobenzène, qui est aussi cancérigène sur le foie, a produit une oxydase réduite, mais la aminoazobenzène non cancérigène n'a provoqué qu'une diminution très peu sensible. Chez les rats nourris avec de l'acidep-aminobenzoïque oup-toluidine additionné d'azoïque, le sérum sanguin a continué d'offrir un pourcentage moindre d'oxydase. Les métabolites des azoïques,p-aminophénol etp-phénylènediamine, provoquent une augmentation de l'oxydase après injection intra-péritonéale dans l'huile d'arachide.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02201757
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  • 6
    Electronic Resource
    Electronic Resource
    The alkaline ribonuclease of rat serum during administration of 4-dimethylaminoazobenzene and copper oxyacetate (1966)
    Springer
    Cellular and molecular life sciences 22 (1966), S. 810-811 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé On a déterminé l'activité de la ribonucléase alkaline dans le sérum sanguin du rat pendant l'administration per os de diméthylaminoazobenzene et d'oxyacétate de cuivre, séparément ou simultanément, pendant 26 semaines. On a trouvé une activité un peu réduite quand ces substances étaient administrées séparément, mais combinées, elles provoquèrent une diminution plus sensible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01897431
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  • 7
    Electronic Resource
    Electronic Resource
    Induction of Ovarian Tumours with 9:10-Dimethyl-1 : 2-Benzanthracene (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 307-307 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Female mice of the Bonser IF strain were treated with 0*5 per cent 9 : 10-dimethyl-l : 2-benzanthracene in olive oil by the technique previously described1. After a small pilot series to determine dosage, the first batch consisted of thirty animals, of which eight other mice survived when the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173307a0
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  • 8
    Electronic Resource
    Electronic Resource
    Composition of Human Sero-Mucoprotein (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 186-187 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The special features of this fraction, distinguishing it from the other plasma proteins, are its non-coagulability by heat, its great solubility in water and ammonium sulphate solution, and its solubility in sulphosalicylic and perchloric acids. Each of these characteristics has given rise to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166186a0
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  • 9
    Electronic Resource
    Electronic Resource
    Amino-Acid Composition of Salmine (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 689-690 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A DETAILED chemical analysis of the amino-acid composition of salmine (from a commercial source) was presented by Block and Boiling1, who used chemical and microbiological techniques. The amino-acids found were arginine, alanine, isoleucine, proline, serine and valine. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163689b0
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  • 10
    Electronic Resource
    Electronic Resource
    Formation of Hæmolymph Nodes in Rats Treated with 1:2:5:6-Dibenzanthracene (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 660-660 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PREVIOUS investigators1–4 have described the spontaneous occurrence of hæmolymph nodes in the rat. As a rule, two nodes situated in the vicinity of the kidneys were found to be the most conspicuous representatives of these structures. Their histological features were studied in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150660a0
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