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  • 1
    Electronic Resource
    Electronic Resource
    A low cost oxygen meter
    Amsterdam : Elsevier
    Biochemical Education 19 (1991), S. 77-78 
    Details
    ISSN: 0307-4412
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0307-4412(91)90010-6
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Some components of adaptive values of heterozygousDrosophila willistoni from irradiated natural populations (1961)
    Springer
    Cellular and molecular life sciences 17 (1961), S. 404-405 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Die Analyse einiger Adaptationskomponenten (Häufigkeit des Schlüpfens aus dem Ei, Viabilität und Sterilität) bei einer isolierten natürlichen Population vonDrosophila willistoni, zeigte nach Bestrahlung mit Co 60 verminderte Adaptationswerte, während mehrerer Generationen nach Bestrahlung, mit progressiver Angleichung an das Kontrollniveau in den folgenden Generationen. Jedoch erreichte diese Population während 15 Generationen den Grad der Häufigkeit des Schlüpfens von unbehandelten Populationen nicht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02157969
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Prostaglandin F2a (PGF2a): an inadequate marker of the vitality of wounds? (1994)
    Springer
    International journal of legal medicine 106 (1994), S. 312-314 
    Details
    ISSN: 1437-1596
    Keywords: Prostaglandin F2a ; Skin wounds ; Vitality diagnosis ; Prostaglandin F2a ; Hautwunden ; Vitalitätsdiagnose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Die Verwendbarkeit von Prostaglandin F2a als Vitalitätsmarker wurde an Hautverletzungen studiert. Als Material dienten 20 vitale Schnittverletzungen sowie entsprechende Kontrollen unverletzter Haut aus 20 Obduktionsfällen des Instituts für Rechtsmedizin der Universität Coimbra (Portugal). Weiter wurden 10 frische Hautproben von Patienten der Dermatologischen Abteilung des Klinikums Granada untersucht. Die Prostaglandin-Analysen wurden mittels RIA durchgeführt. Die Ergebnisse belegen, daß die Bestimmung des (PGF2a): nicht als Methode des Vitalitätsnachweises von Wunden geeignet ist.
    Notes: Summary We have studied the viability of (PGF2a): as a vitality marker in skin wounds. Incised vital skin wounds and homolateral control pieces of skin were obtained from 20 autopsies performed at the Institute of Legal Medicine of Coimbra University (Portugal). We have also studied 10 fresh skin samples from the Department of Dermatology of the University Hospital (Granada). Our results show that (PGF2a): is not suitable for the diagnosis of the vitality of wounds because of its irregular behaviour.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01224777
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  • 4
    Electronic Resource
    Electronic Resource
    Genetic effects of γ-radiation on natural populations ofDrosophila willistoni (1961)
    Springer
    Cellular and molecular life sciences 17 (1961), S. 406-408 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Eine isolierte natürliche Population vonDrosophila willistoni erhielt während eines Jahres eine beträchtliche Beimischung von F1-Co 60-bestrahlten Fliegen. Die genetische Analyse ergab, dass die Häufigkeit der letalen und semiletalen Allele nach 5 Generationen rasch wieder auf das Normale sank. Die Frequenz der Letalallele war allerdings noch hoch, gleich hoch wie in der in Massenkultur gehaltenen bestrahlten Zucht. Erst nach 15 Generationen sank sie zum Niveau der natürlichen Kontrollpopulation. Einzelne durch Bestrahlung erhaltene Letalallele blieben in der Population erhalten.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02157971
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    ThePSO4 gene is responsible for an error-prone recombinational DNA repair pathway inSaccharomyces cerevisiae (1989)
    Springer
    Molecular genetics and genomics 217 (1989), S. 419-426 
    Details
    ISSN: 1617-4623
    Keywords: pso4-1 mutation ; Saccharomyces cerevisiae ; Error-prone recombinational repair ; Mitotic recombination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The induction of mitotic gene conversion and crossing-over inSaccharomyces cerevisiae diploid cells homozygous for thepso4-1 mutation was examined in comparison to the corresponding wild-type strain. Thepso4-1 mutant strain was found to be completely blocked in mitotic recombination induced by photoaddition of mono- and bifunctional psoralen derivatives as well as by mono- (HN1) and bifunctional (HN2) nitrogen mustards or 254 nm UV radiation in both stationary and exponential phases of growth. Concerning the lethal effect, diploids homozygous for thepso4-1 mutation are more sensitive to all agents tested in any growth phase. However, this effect is more pronounced in the G2 phase of the cell cycle. These results imply that the ploidy effect and the resistance of budding cells are under the control of thePSO4 gene. On the other hand, thepso4-1 mutant is mutationally defective for all agents used. Therefore, thepso4-1 mutant has a generalized block in both recombination and mutation ability. This indicates that thePSO4 gene is involved in an error-prone repair pathway which relies on a recombinational mechanism, strongly suggesting an analogy between thepso4-1 mutation and theRecA orLexA mutation ofEscherichia coli.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02464912
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  • 6
    Electronic Resource
    Electronic Resource
    Application of the polymerase chain reaction (PCR) to poliomyelitis surveillance through the analyses of sewage samples (1993)
    Springer
    World journal of microbiology and biotechnology 9 (1993), S. 566-569 
    Details
    ISSN: 1573-0972
    Keywords: PCR ; poliomyelitis surveillance ; sewage ; wild poliovirus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract A rapid and sensitive method for the detection of wild poliovirus from sewage samples using the polymerase chain reaction (PCR) technique was investigated. To eliminate the toxicity of sample concentrates to the enzymatic system used in PCR, a methodology was developed for the purification of these concentrates, consisting of treatment with trichlorofluoroethane and Sephadex column chromatography. The viral RNA was extracted from the purified concentrates, submitted to PCR with primers specific for Brazilian wild poliovirus type 1 and for Sabin types 1, 2 and 3. The amplified products were detected by electrophoresis in vertical polyacrylamide gels and stained with ethidium bromide. The results suggest that sewage sampling for environmental surveillance, combined with the rapid and precise PCR technology, provides a powerful tool for assessment of the success of the poliovirus eradication programme.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00386295
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    Paper (German National Licenses)
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