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  • 1975-1979  (12)
  • 1976  (12)
Material
Years
  • 1975-1979  (12)
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 98 (1976), S. 3312-3316 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Experimental brain research 24 (1976), S. 219-236 
    ISSN: 1432-1106
    Keywords: Inferior olive ; Cerebellum ; Opossum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Although degeneration techniques suggest that cerebello-olivary fibers are limited in their origin and distribution, horseradish peroxidase and autoradiographic experiments make it clear that they arise within all cerebellar nuclei and project to most, if not all, areas of the contralateral inferior olive. Autoradiographic preparations show that cerebello-olivary fibers are highly ordered and suggest that the dentate nucleus projects primarily to the principal olive, the interpositus anterior relays particularly heavy to the dorsal accessory nucleus and the interpositus posterior distributes extensively to the medial accessory complex. Evidence for a small projection from the fastigial nucleus to the caudal medial accessory nucleus is also available. However, it appears clear that neither the dentate nor the interpositus nuclei project to just one subdivision of the olive. For example, although dentate fibers end extensively within the principal nucleus some of them also distribute to portions of the medial accessory nucleus and perhaps the dorsal accessory nucleus as well. The medial accessory olive is particularly complex and at rostral levels receives input from both interposed and dentate nuclei, whereas more caudally it receives a projection from the fastigial nucleus. Olivary fibers from both the interposed and dentate nuclei traverse the brachium conjunctivum descendons and distribute primarily to the rostral 2/3 to 3/4 of the olive, whereas those from fastigial neurons take a different route and end more caudally. Experiments utilizing horseradish peroxidase as a retrograde tracer suggest that cerebello-olivary fibers from both the interpositus anterior and dentate nuclei take origin from a population of generally small neurons.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Experimental brain research 26 (1976), S. 159-170 
    ISSN: 1432-1106
    Keywords: Inferior olive ; Cerebellum ; Deep cerebellar nuclei ; Ultra-structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Section of the superior cerebellar peduncle just rostral to the deep cerebellar nuclei results in degenerating axon terminals within the contralateral inferior olive. The nuclear origin of this fiber system and its distribution within the subdivisions of the inferior olive were described in a companion study (Martin et al., 1976). Precise localization of these degenerating terminals within the nucleus was accomplished by the examination of 1 μ plastic sections cut from each tissue block prior to thin sectioning. Degenerating axon terminals are present in all the nuclear subdivisions and when seen with the electron microscope they frequently are localized in the previously described synaptic clusters (King, 1976). These terminals demonstrate an electron dense reaction at survival times of 2 and 3 days. By day 4, they are shrunken and irregular in shape, and typically are surrounded by astrocyte processes. Cerebello-olivary axon terminals measure 1–3 μ, contain spherical, clear synaptic vesicles and typically contact spiny appendages within the synaptic clusters (glomeruli). Thus, we have demonstrated that one of the primary axon systems which terminates within the synaptic clusters is from the cerebellar nuclei. We have yet to determine the origins of the remaining terminals within the synaptic clusters which include endings with either smaller spherical, pleomorphic or numerous dense core vesicles.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 25 (1976), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In observations made over four seasons, counts of brown rust spores trapped above barley crops and infections of healthy plants placed within crops, indicated that there was a high risk of infection on days when at least 5 far of dew were recorded following a day on which the maximum temperature was greater than 15°C. In spray-timing trials, the fungicidal sprays applied between the first appearance of brown rust in the crop and the beginning of the exponential phase of the epidemic usually were associated with the highest yields. The relationships between levels of brown rust and yields in these trials is discussed in connection with their relevance to the estimation of losses caused by the disease.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 25 (1976), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Single stems of winter wheat cv. Maris Templar were selected at random along traverses of primary foci of yellow rust (Puccinia striiformis Westend) in a commercial crop. Severity of the disease was recorded as the percentage area affected on the flag and second leaves at the milky-ripe growth stage. The ears were harvested when ripe and threshed individually. Grain weight per ear and mean weight of single grains were negatively correlated with disease severity, but there was no significant relationship with the number of grains per ear. The co-efficient of linear regression of percentage loss on flag leaf rust severity were 0.41 and 0.39 for equations based on single grain weight and total yield per ear respectively. Transformation of percentage yellow rust by exponents of 1.2 and 1.35 led to co-efficient of 0.18 and 0.09 respectively for the regression of percentage loss in single grain weight and yield per ear on disease level.I am indebted to Mrs. P. A. Waples, Miss N. Parsons and Messrs. R. W. Polley, J. G. Waples and J. D. S. Clarkson for their invaluable help in obtaining the data for this work.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 27 (1976), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— The fraction that sediments between 2 × 105g-min and 6 × 106g-min from dilute dispersions of rat brain in 0.32 m-sucrose is a microsomal fraction with very little contamination by myelin. A crude microsomal fraction prepared in the same way from rat spinal cord contains more myelin than microsomes. Centrifugation of the crude microsomal fraction in 0.85 m-sucrose gave a floating fraction, an infranatant fraction (purified microsomes) and a small pellet. The purified microsomes contained very little myelin as judged by electron microscopy and polyacrylamide gel electrophoresis. The lipid composition resembled that of spinal cord myelin except that the purified microsomes contained relatively less cholesterol and ethanolamine plasmalogens. The content of galactolipids was much greater in spinal cord microsomes than in brain microsomes. The spinal cord CDP-ethanol-amine:diglyceride ethanolaminephosphotransferase activity (EC 2.7.8.1) was concentrated in the purified microsomes.A spinal cord myelin fraction isolated from the 2 × 105g-min pellet was quite pure as judged by electron microscopy, enzyme activities and polyacrylamide gel electrophoresis. No NADPH-cyto-chrome c reductase activity (EC 1.6.2.3) could be detected in the purified myelin. The ethanolaminephosphotransferase specific activity was about 5% of that found in the purified microsomal fraction. The protein content was 25% by weight for spinal cord myelin and 31% for brain myelin. Of the total spinal cord 2′,3′-cyclic nucleotide-3′-phosphohydrolase activity, 16% was lost from the crude myelin during purification, 21% was recovered in the purified myelin, and 11% was found in the floating fraction from the crude microsomes. The purified myelin and microsomal fractions from spinal cord were relatively pure. Additional myelin was recovered in the floating fraction from the crude microsomes.
    Type of Medium: Electronic Resource
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  • 8
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    Cambridge : Periodicals Archive Online (PAO)
    The Modern language review. 71:2 (1976:Apr.) 432 
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  • 9
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    Cambridge : Periodicals Archive Online (PAO)
    The Modern language review. 71:1 (1976:Jan.) 180 
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  • 10
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    Unknown
    Chalfont St. Giles, U.K. : Periodicals Archive Online (PAO)
    Journal of European studies. 6:2=22 (1976:June) 125 
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