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  • Electronic Resource  (2)
  • 1975-1979  (2)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Fluorescein angiography and changes in aqueous humor protein after argon laser photomydriasis in rabbits (1979)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 211 (1979), S. 155-164 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In brown-eyed and blue-eyed rabbits, irises treated with argon laser photomydriasis (ALP) were studied by using fluorescein angiography and by evaluating the aqueous humor protein concentration. The following results were obtained. Immediately after ALP, a breakdown of the blood-aqueous barrier is demonstrated by a marked influx of fluorescein into the ciliary processes and into the anterior and posterior chambers. The dye flow into the aqueous humor decreases to normal values within 3 days. There is no fluorescein leakage from laser impacts themselves. Peripupillary capillary loops are permanently occluded, but in a few cases, recanalization occurs. Neovascularization did not occur during 56 days of observation. ALP initially leads to a six- to eightfold increase in normal aqueous humor protein concentration, which decays to normal values within 3 days.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00410139
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of glomerular filtration rate on renal PAH secretion rate in the rat kidney (1978)
    Springer
    Pflügers Archiv 375 (1978), S. 131-139 
    Details
    ISSN: 1432-2013
    Keywords: PAH clearance ; PAH extraction ; Glomerular filtration rate ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PAH secretion (TPAH) was studied in rats at spontaneously occurring glomerular filtration rate (GFR). At saturated transport, TPAH was found to be correlated to GFR. This relationship was also observed at unsaturated transport where TPAH depends upon the PAH concentration in arterial plasma. However, no significant correlation between TPAH and renal PAH load or renal plasma flow rate was found when the effects of GFR were removed by partial correlation analysis. A dependency of TPAH on GFR explains the correlations found between filtration fraction (FF) and renal PAH extraction (EPAH) or renal tubular PAH extraction fraction (EPAH-FFPAH). Thus, even at low PAH concentration in a. plasma, renal PAH extraction may only be assumed to be constant if the filtration fraction is constant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00584235
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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