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  • Artikel  (3)
  • Wiley-Blackwell  (2)
  • Springer  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Survival of cultured mammalian cells exposed to ultrasound (1977)
    Springer
    Radiation and environmental biophysics 14 (1977), S. 243-250 
    Details
    ISSN: 1432-2099
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Physik
    Notizen: Summary The colony-forming ability of cultured mammalian cells exposed to monochromatic ultrasonic vibrations of different frequencies (0.1, 0.5, 1.0, 2.0, 3.3 MHz) was studied. The combined effect of x rays and 1.0-MHz ultrasonic waves on the survival of M3-1 cells was also investigated. Split-dose experiments showed that cells exposed to ultrasound are “sensitized” to a subsequent exposure. Almost twice as many cells survive a given ultrasonic dose when exposed in the M phase as when exposed in the S phase. A small amount of synergism between ultrasound and x rays has been observed. The extent of synergism depends on the experimental factors, and may be due to an interaction between nuclear damage caused by x rays and the damage to the cell membrane caused by ultrasound.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01323943
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 2
    Digitale Medien
    Digitale Medien
    Specimen handling and data interpretation in x-ray microanalysis of frozen hydrated etched gastrointestinal tract (1986)
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 4 (1986), S. 371-379 
    Details
    ISSN: 0741-0581
    Schlagwort(e): Scanning electron microscopy ; Low temperature ; Microanalysis ; Duodenum ; Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Allgemeine Naturwissenschaft
    Notizen: Low temperature scanning electron microscopy of mammalian tissue allows microanalysis data and morphological results to be considered together, without the risk of elemental diffusion introduced by liquid fixatives and processing agents. The technique, however, is time consuming and there are many areas where errors are possible and standardization of technique is advisable. The present paper describes some of the problems inherent in handling frozen tissue and comparison is made between microanalytical measurements from luminal contents and those from villous epithelium.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jemt.1060040407
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 3
    Digitale Medien
    Digitale Medien
    Biological variation in cryo-microanalytical data from mouse small intestinal villi (1987)
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 5 (1987), S. 65-74 
    Details
    ISSN: 0741-0581
    Schlagwort(e): Scanning electron microscopy ; Low temperature ; Microanalysis ; Duodenum ; Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Allgemeine Naturwissenschaft
    Notizen: Microanalysis data obtained using low temperature scanning electron microscopy of frozen hydrated etched mouse duodenum gives information about peak/background ratios of various elements in different cellular compartments. The present paper describes ways in which the data can be analyzed to minimize artifactual variations and to make clear where there are genuine differences in peak/background ratios when readings from different animals are compared. Using these methods, it is shown that in some areas of villous epithelium there are measurable differences in the ratios of sodium, calcium, and sulphur.
    Zusätzliches Material: 7 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jemt.1060050107
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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