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  • 1975-1979  (19)
  • 1955-1959  (15)
  • 1925-1929  (2)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Coagulation of Blood and Milk by Electrolytes and the Similarity between the Clotting of Blood and the Formation of Jellies (1929)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 33 (1929), S. 459-466 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150297a014
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  • 2
    Electronic Resource
    Electronic Resource
    Selection of a Strain of Plasmodium berghei highly resistant to Chloroquine (‘Resochin’) (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 975-975 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The experimental selection of the strain was made in albino mice, the serial passages being exposed to progressively increasing doses of 'Resochin' solution administered intraperitoneally. The experiment involved 33 mouse passages during a period of about seven months. When the dose of drug ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/179975a0
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  • 3
    Electronic Resource
    Electronic Resource
    A note on the influence of ultrasonic waves on the conductivity of colloidal solutions (1957)
    Springer
    Colloid & polymer science 151 (1957), S. 72-73 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01502261
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  • 4
    Electronic Resource
    Electronic Resource
    Reactions of titanium(IV) isopropoxide with aliphatic and aromatic hydroxy esters, part I. 5-, 6-, 7- and 8-coordinate titanium(IV) complexes (1978)
    Springer
    Transition metal chemistry 3 (1978), S. 225-229 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Reactions of titanium(IV) isopropoxide with ethyl 1-hydroxycyclohexylacetate, ethyl 2-hydroxy-2-arylpropionate, ethyl 2-hydroxy-2-arylbutyrate and ethyl 2-hydroxy-2-arylhydrocinnamate have been studied in dry benzene in different molar ratios under strictly anhydrous conditions. The Ti(OPr-i)4-nLn type compounds, where L = hydroxy ester and n = 1 to 4, have been isolated and characterised by elemental analysis, molecular weight, i.r. and n.m.r. spectral studies. These products may be distilled unchanged under reduced pressure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01393552
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  • 5
    Electronic Resource
    Electronic Resource
    Untersuchungen über kolloidale SulfosalicylsÄure (1955)
    Springer
    Colloid & polymer science 142 (1955), S. 24-27 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Summary 1. Conductometric studies of complex formation between iron (III) and colloidal mercuri-sulphosalicylic acid and sulphosalicylic acid have been made in an acidic medium. 2. Both with mercuri-sulphosalicylic and sulphosalicylic acids, iron (III) reacts to form a violet complex at a ratio of 1∶1 of the reactants.
    Notes: Zusammenfassung 1. Es wurden LeitfÄhigkeitsmessungen zur Untersuchung der Komplexbildung zwischen dreiwertigem Eisen und kolloider Quecksilber-SulfosalicylsÄure und SulfosalicylsÄure in saurem Medium durchgeführt. 2. Sowohl Quecksilber-SulfosalicylsÄure wie auch SulfosalicylsÄure bilden mit dreiwertigem Eisen einen violetten Komplex mit dem KomponentenverhÄltnis 1∶1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01511458
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  • 6
    Electronic Resource
    Electronic Resource
    Preparation of zirconium jellies with a pyridine base (1958)
    Springer
    Colloid & polymer science 158 (1958), S. 130-131 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01840015
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  • 7
    Electronic Resource
    Electronic Resource
    The influence of ultrasonic waves on the viscosity and stability of vanadium pentoxide sol (1959)
    Springer
    Colloid & polymer science 167 (1959), S. 39-41 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Das Vanadium-Pentoxyd-Sol zeigt, wenn Ultraschall ausgesetzt, einen steigenden Wert an Wasserstoffionen-Konzentration und LeitfÄhigkeit. Es wird festgestellt, da\ diese VerÄnderung entweder einer übersÄttigung an Meta-VanadinsÄure in Gegenwart der Ultraschallwellen oder der Erzeugung von Peroxyd-VanadinsÄure unter Einflu\ von Wasserstoffsuperoxyd zuzuschreiben ist. Wasserstoffsuperoxyd wird bekanntlich unter diesen Bedingungen in Spuren gebildet. über die Änderung der ViskositÄt des fraglichen Sols in Gegenwart von Elektrolyten unter gleichzeitigem Einflu\ von Ultraschall wird ebenfalls berichtet.
    Notes: Summary The vanadium pentoxide sol when exposed to ultrasonic waves shows an increased value of hydrogen ion concentration and conductivity. It is postulated that this change is due to either supersaturation of metavanadic acid in presence of the high frequency waves or to the production of peroxyvanadic acid under the influence of hydrogen peroxide which is known to be formed in traces under these conditions. The change in viscosity of vanadium pentoxide sol in presence of electrolytes under the influence of ultrasonic waves has also been recorded.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01810120
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  • 8
    Electronic Resource
    Electronic Resource
    The influence of ultrasonic waves on the hydrogen ion concentration and the stability of colloidal solutions (1958)
    Springer
    Colloid & polymer science 158 (1958), S. 33-35 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Es wurde der Einfluß von Ultraschall auf die Wasserstoffionenkonzentration mehrerer Kolloide untersucht. Sole von Antimonsulfid, Arsensulfid, Zinnhydroxyd, Chromhydroxyd, Vanadiumpentoxyd und Mangandioxyd zeigen eine leichte Verminderung der pH-Werte. Andererseits lassen Sole von Preußisch-Blau, Kupferferrocyanid, Uranferrocyanid, Aluminiumhydroxyd und Cerhydroxyd einen Anstieg erkennen, während Ferriarsenat-, Ferriphosphat- und Ferrihydroxyd-Sole keinerlei Veränderung der pH-Werte zeigen. Außerdem koagulieren Sole von Antimonsulfid, Arsensulfid, Mangandioxyd und Uranferrocyanid bei längerer Beschallung, und Cerhydroxyd bildet ein Gel.
    Notes: Summary The influence of ultrasonic waves on the hydrogen ion concentration of several colloids have been studied It has been found that the sols of antimony sulphide, arsenious sulphide, stannic hydroxide, chromium hydroxide, vanadium pentoxide and manganese dioxide show slight decrease in pH values. On the other hand the sols of prussian blue, copper ferrocyanide, uranium ferrocyanide, aluminium hydroxide and cerium hydroxide show an increase and that of ferric arsenate, ferric phosphate and ferric hydroxide do not show any change in pH values. Further the sols of antimony sulphide, arsenic sulphide, manganese dioxide and uranium ferrocyanide coagulate on prolonged exposure and ceric hydroxide sol sets to a gel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01744654
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  • 9
    Electronic Resource
    Electronic Resource
    The influence of ultrasonic waves on the viscosity of ceric hydroxide sol (1958)
    Springer
    Colloid & polymer science 160 (1958), S. 33-35 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Ultraschall verursacht in Cerhydroxyd-Solen Gelierung. Dieses Veränderung wurde durch Messen der Viskosität, Leitfähigkeit und der Wasserstoffkonzentration verfolgt. Es hat sich gezeigt, daß der Betrag an Wasserstoffperoxydbildung unter Einwirkung des Ultraschalles auf Wasser nicht allein ausreichend ist, den Anstieg in der Viskosität oder hinsichtlich der Konzentration zu erklären, um die Gelierung zu deuten.
    Notes: Summary The ultrasonic waves causes the cerie hydroxide sol to set to a gel. This change has been followed by measuring viscosity, conductivity and hydrogen ion concentration. It has been shown that the extent of hydrogen peroxide formed under the action of ultrasonic waves on water is not alone sufficient to explain for the increase in viscosity, nor at such concentrations it would set the sol to a gel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01512075
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  • 10
    Electronic Resource
    Electronic Resource
    Decreased UV mutagenesis in cdc8, a DNA replication mutant of Saccharomyces cerevisiae (1979)
    Springer
    Molecular genetics and genomics 172 (1979), S. 249-258 
    Details
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A DNA replication mutant of yeast, cdc8, was found to decrease UV-induced reversion of lys2-1, arg4-17, tyr1 and ura1. This effect was observed with all three alleles of cdc8 tested. Survival curves obtained following UV irradiation in cdc8 rad double mutants show that cdc8 is epistatic to rad6, as well as to rad1; cdc8 rad51 double mutants seem to be more sensitive than the single mutants. Since UV-induced reversion in cdc8 rad1 and cdc8 rad51 double mutants is like that of the cdc8 single mutants, we conclude that CDC8 plays a direct role in error-prone repair. To test whether CDC8 codes for a DNA polymerase, we have purified both DNA polymerase I and DNA polymerase II from cdc8 and CDC+ cells. The purified DNA polymerases from cdc8 were no more heat labile than those from CDC+, suggesting that CDC8 is not a structural gene for either enzyme.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00271724
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