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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 96 (1992), S. 7929-7934 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 475-476 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present communication records the results obtained from a preliminary investigation into the sterilizing efficiency of y-radiation against spores of Bacillus anthracis. Eight strains of B. anthracis were used. Spore suspensions were prepared by inoculating 5 ml. of 'Yeastrel' broth with the ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 331-331 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Irradiation of small experimental samples (50-100 gm.) of ryegrass (Lolium perenne) tightly packed in cylindrical containers of polystyrene were carried out at the Wantage Radiation Laboratory. A cobalt-60 source was used and dosages of 1 x 106 to 4 x 106 rads were applied. Extensive sterility ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    The @International Journal Of Applied Radiation And Isotopes 6 (1959), S. 255-257 
    ISSN: 0020-708X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    The @International Journal Of Applied Radiation And Isotopes 6 (1959), S. 100-104 
    ISSN: 0020-708X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 11 (1996), S. 483-486 
    ISSN: 1437-9813
    Keywords: Acute scrotum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To determine a reliable clinical approach to the problem of acute scrotum (AS) in children and identify patients who require emergent surgical intervention, 65 boys with the diagnosis of AS were studied. The mean age was 11 years. Acute orchitis/epididymitis was diagnosed in 42 (64.6%), torsion of the testis in 12 (18.5%), and torsion of the appendix testis in 5 (7.7%). A testicular radionuclide scan was the most reliable diagnostic tool, being positive in all 12 cases of torsion of the testis. Eighteen patients underwent scrotal exploration. Detorsion and bilateral orchidopexy was performed in 12, excision of a necrotic appendix testis in 5, and evacuation of a scrotal hematoma in 1. The outcome of the involved testis at follow-up examination was excellent, with only 1 child developing testicular atrophy. This study stresses the reliability of the selective approach for the treatment of the AS in children.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-198X
    Keywords: Key words Urinary tract infection ; Vesicoureteral reflux ; Renal scars ; Dimercaptosuccinic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We aimed to investigate, by means of dimercaptosuccinic acid (DMSA) scan, the relations between vesicoureteral reflux (VUR) and its degree, pyelonephritis during infancy, and renal parenchymal findings. Seventy-four infants with pyelonephritis, 44 girls and 30 boys (mean age at their first pyelonephritic episode 4.12 months, median 3 months), were enrolled in the study. Voiding cystourethrography (VCU) and ultrasonography (US) were performed within 6 weeks following the infection. DMSA was performed at least 4 months after the urinary tract infection (UTI). The renal parenchymal pathology was defined as focal or multifocal defects or as a split renal uptake of less than 45%. DMSA scintigraphy revealed that 19% (14/74) of the children had renal damage. Renal parenchymal findings were observed only when VUR was present, and its grade was above 3/5. No abnormality was found in 51 renal units without reflux, 9 with VUR grade 1/5, and 54 with grade 2/5. Renal pathology was observed in 9/24 renal units with VUR grade 3, 3/8 with grade 4, and 2/2 with grade 5. No correlation was found between renal parenchymal defects and clinical presentation of the pyelonephritis, type of the microorganism, presence of bacteremia, or the number of recurrent infections. In adequately treated infants, renal damage is probably due to a reflux-associated, preexisting, congenital renal parenchymal pathology and not to the inflammatory process. We suggest that DMSA scintigraphy should not be performed routinely in every infant with UTI and should be reserved primarily for children with VUR grade 3 and above.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Behavioral ecology and sociobiology 38 (1996), S. 401-405 
    ISSN: 1432-0762
    Keywords: Key words Mate choice ; Male quality ; Benefits of choice ; Clethrionomys glareolus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Both intra-sexual competition between males and female mate choice have been found to affect mating behaviour in rodents. We studied female choice in the bank vole (Clethrionomys glareolus) under circumstances where male-male competition was excluded and the female could interact and mate freely with the males. Mating behaviour was observed in two situations: (1) the female encountered two males with a clear dominance relationship; and (2) the two males were equal in their social status. In all tests where a female in postpartum oestrus had a choice between males of different social rank she mated with the dominant one. When choosing between an even pair of males there was no difference in the frequency of lordotic responses, mounts or intromissions the female exhibited with either male before mating with one of them. The mean ejaculation latency was significantly longer in the tests with an even pair of males than in the tests where male hierarchy was clear. These results show that bank vole females are able to discriminate males according to their social status and strongly prefer dominant males as mating partners. However, when the females were presented with two equal males, they seemed to be unable to make a choice. The ability to choose the mating partner when the males are clearly different may be an important direct benefit for the female in terms of time saved during mating and thus decreased risk of predation and infanticide.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 2 (1959), S. 105-116 
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Zusammenfassung Kartoffeln, die mit 10.000 Rads bestrahlt und bei 10° C gelagert wurden, zeigten eine wesentliche Erhöhung des Gehaltes an nicht-reduzierenden Zuckern. Der Höchtswert wurde 5 Tage nach Bestrahlung erreicht. Nach dieser Zeit fiel der Zuckergehalt und nach 26 Tagen war der Wert ungefähr gleich dem der nicht bestrahlten Knollen. Diese vorübergehende Versüssung erfolgte unabhängig von dem Datum der Bestrahlung. Sie war geringer, aber doch beträchtlich, wenn die Bestrahlungsdosis auf 3.000 Rads reduziert wurde. Bestrahlung bewirkte auch eine vorübergehende Erhöhung des Gehaltes an reduzierenden Zukkern, aber in diesem Fall war die Erhöhung umso grösser, je später das Datum der Bestrahlung fiel. Nach Erreichen des Maximums war die Geschwindigkeit des Zuckerverluster stets gering. Es bestand kein deutlicher Unterschied in der Wirkung auf reduzierenden Zucker zwischen Bestrahlungen mit 10.000 und 3.000 Rads. Nicht bestrahlte Kartoffeln wiesen nach langer Lagerung bei 10° C Versüssung auf. Bestrahlte Kartoffeln versussten schneller und gingen schliesslich vollkommen in Faulnis über. Durch Erhöhung der Lagerungstemperatur auf 20°C wurden diese Vorgänge verschlimmert. Bestrahlte Kartoffeln waren für den Hausgebrauch unannehmbar, wegen Versüssung, gegen Mitte August, unabhängig von dem Datum der Bestrahlung. In keinem Fall waren die Kartoffeln nach Ende Mai für die Herstellung von “Chips” brauchbar. Falis die Bestrahlung im Februar oder später erfolgte, waren die Kartoffeln dauernd für Chips-Herstellung unbrauchbar.
    Abstract: Résumé Des pommes de terre traitées par la radiation aux rayons λ à raison de 10.000 rads et stockées à une température de 10° C, démontraient une augmentation nette de la teneur en sucres nonréducteurs, alors que la valeur optimale fut atteinte cinq jours après le traitement. Après ce délai, la teneur en sucres tombait et au bout de 26 jours la valeur était pareille à peu de chose près à celle des tubercules non traités. Cette édulcoration passagère s’est installé indépendamment de la date de radiation. Elle était moindre, mais pourtant considérable, lorsque le dosage de radiation fut rêduit à 3.000 rads. Le traitement par radiation a également opéré une augmentation passagère de la teneur en sucres réducteurs, mais dans ce cas l’augmentation était encore plus marquée lorsque le traitement fut differé à une date plus tardive. Le maximum atteint, la vitesse de la perte en sucres était toujours faible. Il n’y avait pas de différence nette dans l’effet sur les sucres réducteurs entre les taux de radiation de 10.000, respectivement 3.000 rads. Des pommes de terre non traitées dulcifiaient après un longue entreposage à une température de 10° C. Des pommes de terre traitées dulcifiaient plus rapidement et étaient en fin de compte sujettes à une décomposition intégrale. En augmentant la température d’entreposage jusqu’à 20° C ce processus fut aggravé. Des pommes de terre traitées ne pouvaient être utilisées dans la cuisine, pour cause de leur édulcoration, vers la mi-août, indépendament de la date de la radiation. Les pommes de terre ne pouvaient être utilisées en aucune façon pour la préparation de “chips” après la fin de mai Lorsque les pommes de terre furent traitées en février ou plus tard encore, elles restaient durablement impropres à la préparation de chips.
    Notes: Summary Potatoes irradiated with 10.000 rads and stored at 10°C suffered a marked increase in the content of non-reducing sugar, a maximum value being reached 5 days after irradiation. The sugar content then fell and 26 days after irradiation it approximated to that of non-irradiated tubers. This temporary sweetening effect was independent of the date of irradiation. It was less, though still marked, if the irradiation dose was reduced to 3000 rads. Irradiation also caused a temporary increase in the content of reducing sugar, but in this case the later the date of irradiation the greater was the increase. The rate of loss of sugar after attainment of the maximum was always slow, There was no marked difference, in the effect upon reducing sugar, between irradiation with 10.000 and with 3000 rads. Non-irradiated potatoes sweetened after prolonged storage at 10° C. Irradiated potatoes sweetened faster and finally succumbed to complete breakdown. These effects were aggravated by increasing the storage temperature to 20° C. Irradiated potatoes were unacceptable for domestic consumption, because of sweetening, by mid-August whatever the date of irradiation. In no case were they acceptable for crisp manufacture beyond the end of May. If irradiation was in February or later the potatoes remained permanently unsuitable for crisp manufacture.
    Type of Medium: Electronic Resource
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