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  • 1985-1989  (3)
  • Cholecystokinin  (1)
  • EMG diaphragm  (1)
  • Macrosiphum euphorbiae  (1)
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Material
Years
  • 1985-1989  (3)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Ratio between large and small carboxy-terminal molecular forms of cholecystokinin in brains of different species (1986)
    Springer
    Cellular and molecular life sciences 42 (1986), S. 1240-1241 
    Details
    ISSN: 1420-9071
    Keywords: Cholecystokinin ; radioimmunoassay ; species difference ; molecular heterogeneity ; brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The ratio between large and small carboxy-terminal forms of cholecystokinin in brain extracts from man, pig, dog, rat, chicken, frog and trout was determined by two sequence-specific radioimmunoassays. It was found that the relative amounts of large forms of cholecystokinin; are higher in mammalian brain than in brains of lower species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946403
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Suppression of spontaneous breathing during high-frequency jet ventilation (1986)
    Springer
    Intensive care medicine 12 (1986), S. 26-32 
    Details
    ISSN: 1432-1238
    Keywords: Ventilatory pattern ; PEEP ; Lung volume ; Respiratory drive ; EMG diaphragm ; Piglets
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Conditions which suppress spontaneous breathing activity during high-frequency jet ventilation (HFJV) were analysed in Yorkshire piglets under pentobarbital anesthesia. The highest PaCO2 at which the animals did not breathe against the ventilator (apnea point) was established during different patterns of ventilation, either by changing the minute volume or by adding CO2 to the inspiratory gas. Arterial oxygen tension was maintained throughout the study above 80 mm Hg. An elevation of ventilatory rate increased the apnea point, suggesting a progressive suppression of spontaneous breathing. This suppression did not depend on the amount of lung stretch during insufflation, because at higher rates lower tidal volumes were used. Suppression also appeared to be independent of insufflatory flow, i.e. the velocity of lung stretch. At higher frequencies end-expiratory airway pressure (PEE) increased and there appeared to be a positive relationship between the apnea point and PEE. In a separate series this positive relationship between the apnea point and PEE was confirmed. A hysteresis effect in this relationship, however, suggests that other than jet frequency, lung volume rather than positive end-expiratory pressure (PEEP) is a major determinant of suppression of spontaneous breathing activity during HFJV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00315366
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Interactions between plant and aphid genotypes in resistance of lettuce to Myzus persicae and Macrosiphum euphorbiae (1989)
    Springer
    Euphytica 43 (1989), S. 215-222 
    Details
    ISSN: 1573-5060
    Keywords: Lactuca sativa ; lettuce ; Macrosiphum euphorbiae ; Myzus persicae ; leaf aphids ; resistance breeding ; interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Six lettuce lines, representing two types of resistance to the green peach aphid, Myzus persicae, and a control line with high susceptibility to M. persicae were tested for resistance to six different clones of Myzus persicae and two clones of the potato aphid, Macrosiphum euphorbiae. The clones of M. persicae showed very different levels of aggressiveness on lettuce: two had a high level of reproduction, two had an intermediate level and two were poorly adapted to lettuce as a host. Differences between lettuce lines in aphid reproduction increased with increasing aggressiveness of the aphid clone, which means that aggressive clones are most effective for selection purposes. No evidence was found for clone-specific plant genotype reactions, meaning that lines resistant to one clone will also be resistant to other clones of M. persicae, allthough not neccessarily at the same level. The lettuce lines selected for partial resistance to the aggressive clone WMp1 were completely or almost completely resistant to less aggresive clones. No differences in level of reproduction were found between the two clones of M. euphorbiae and no relation was observed between resistance to M. persicae and M. euphorbiae, indicating the species-specific character of resistance to leaf aphids in lettuce.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023056
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    Paper (German National Licenses)
    Fulltext
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