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  • 1
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Macromolecules 25 (1992), S. 2107-2111 
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Macromolecules 25 (1992), S. 4734-4743 
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 24 (1952), S. 1090-1092 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 215-216 (June 1996), p. 89-94 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Alpha-terthienyl, a phototoxic thiophene derivative from species in the Asteraceae reduced feeding and growth of the phytophagous lepidopteran,Euxoa messoria, when incorporated into artificial diets at a concentration of 100 ppm. The effects of this substance were substantially enhanced by including photosensitizing near-UV radiation in the trials. The results suggest that the phototoxic properties of this secondary substance provide significant protection to the plants containing it.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 7 (1971), S. 405-408 
    ISSN: 1432-0428
    Keywords: Offspring of diabetic couples ; age and heredity in diabetes ; obesity ; population studies ; diabetes prevalence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 899 enfants nés de couples Indiens diabétiques (province du Natal) ont été comparés à l'ensemble de la population indienne. Le diabète était présent chez 25% des descendants âgés entre 40 et 49 ans contre 14.7% pour la population générale. La différence de prévalence du diabète entre les descendants des couples diabétiques et la population générale diminuait avec l'âge, ce qui semble indiquer que le facteur génétique affecte surtout l'âge d'apparition du diabète. La proportion d'enfants diabétiques était identique pour les couples diabétiques jeunes ou vieux. Cette même comparaison a pu se faire entre une famille indienne Tamil dont les membres s'épousent entre eux et vivant au Cap et l'ensemble de la population indienne du Cap. La prévalence d'obésité était plus grande chez les diabétiques jeunes que chez les diabétiques âgés dans trois groupes raciaux différents et ceci aussi bien pour le diabète symptomatique qu' asymptomatique; par contre l'obésité est plus fréquente pour la population générale dépassant l'âge de 40 ans. L'obésité semble jouer un rôle plus important comme facteur diabétogène chez les jeunes que chez les personnes âgées.
    Abstract: Zusammenfassung Eine Gruppe von 899 Indern aus Natal, Nachkommen diabetischer Elternpaare, wurde mit der indischen Gesamtbevölkerung in Natal verglichen. Diabetes wurde in 25% der Nachkommen im Alter zwischen 40 und 49 Jahren beobachtet, verglichen mit 14.7% in der Gesamtbevölkerung. Die Verhältniszahl: Diabetiker unter den Nachkommen zu den Diabetikern in der Gesamtbevölkerung verringerte sich mit ansteigendem Alter; dieser Befund scheint anzudeuten, daß ein möglicher genetischer Faktor einen besonderen Einfluß auf das Alter ausübt, in dem der Diabetes sich manifestiert. „Alte“ und „junge“ Elternpaare hatten eine ähnliche zahlenmäßige Verteilung diabetischer Kinder. Ein ähnlicher Vergleich konnte zwischen einer Familiengruppe indischer Tamilen in Kapstadt und der gesamten HinduBevölkerung' von Kapstadt angestellt werden. Bei drei rassisch verschiedenen Bevölkerungsgruppen und bei „klinischen“ wie bei „neuentdeckten“ Diabetikern wurde festgestellt, daß Fettleibigkeit häufiger bei jungen als bei alten Diabetikern auftrat, während in der Gesamtbevölkerung die Fettleibigkeit im Alter von über 40 Jahren häufiger war. Übergewicht ist ais Risikofaktor für den Diabetes vielleicht wichtiger bei jüngeren als bei älteren Personen.
    Notes: Summary The 899 offspring of Natal Indian diabetic couples are compared with the general Indian population. Diabetes was present in 25% of offspring aged 40– 49 as against 14.7% of the general population. The ratio of offspring diabetics to population diabetics diminished with age, suggesting that the genetic influence affects mainly age of onset of diabetes. “Old” and “young” diabetic couples had a similar proportion of diabetic children. Another similar comparison could be made between an inbred Tamil Indian family in Cape Town and the general population of Cape Hindus. More young diabetics were obese than old diabetics, in3 different racial groups and in both “clinic” and “survey” diabetics, whereas in the general population obesity is more common over age 40. Overweight may be a more important diabetes risk factor in young than in old people.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-0568
    Keywords: Retino-geniculate projection ; Development ; Enucleation ; Horseradish peroxidase ; Albino rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The postnatal development of ipsilateral retinofugal projections to the lateral geniculate body in normal albino rats, and in rats unilaterally enucleated at birth has been examined. At postnatal ages ranging from 1 day to 6 months, horseradish peroxidase was injected into one eye of normal rats and into the remaining eye of neonatally enucleated animals. After approximately 20 hours, the animals were perfused, the brains sectioned and reaction product visualised using tetramethylbenzidine. Ipsilateral retinal projections to the lateral geniculate body in normal animals were extensive on postnatal day 1 and became reduced over the next few days, the adult pattern being established between days 9 and 12. In the enucleated group, the terminal fields of the ipsilateral projections to the lateral geniculate body from the remaining eye remained larger and displayed a greater density of terminal labelling than in age-matched controls. In addition, the ipsilateral terminal field in the dorsal lateral geniculate nucleus occupied a more lateral position than in control animals. These findings support previous suggestions that the abnormally large ipsilateral retino-fugal projections observed in adult rats following removal of one eye, at or close to, birth, result from a failure of the ipsilateral projection to become restricted and that terminal or preterminal sprouting of retinal axons may also make a small contribution to the formation of the exuberant ipsilateral projection.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 171 (1985), S. 223-234 
    ISSN: 1432-0568
    Keywords: Lateral geniculate nucleus ; Retinal axons ; Horseradish peroxidase ; Hamster ; Synaptic organization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The synaptic organization of the α sector of the dorsal lateral geniculate nucleus has been examined by electron microscopy in normal adult hamsters and in adult hamsters subjected to unilateral eye enucleation or intravitreal injection of horseradish peroxidase. Two types of neuropil are apparent. Islands of complex neuropil partially enclosed by astrocyte processes (synaptic glomeruli) are surrounded by a sea of simpler non-glomerular neuropil. The latter is dominated by small axon terminals with spherical synaptic vesicles and Gray type 1 axodendritic contacts (SR-boutons) and also contains axon terminals with flattened synaptic vesicles (F-boutons). The glomerular neuropil contains (i) exclusively postsynaptic dendrites and dendritic protrusions of presumptive projection cells; (ii) pre- and postsynaptic pleomorphic-vesiclecontaining P-boutons (interpreted as appendages of the dendrites of interneurons); (iii) large axon terminals containing spherical synaptic vesicles and large pale mitochondria (R-boutons) which were experimentally identified as retinal terminals and which are presynaptic to both projection cell dendrites and P-boutons at Gray type 1 contacts; (iv) F-boutons (minority component). F-boutons and P-boutons are presynaptic to both projection cell dendrites and P-boutons and P-boutons are the intermediate elements of various serial synapses including triplet (triadic) synapses. Medium-large terminals with spherical synatpic vesicles and dark mitochondria (RLD-boutons) which were commonly invaginated by dendritic spines of projection cells in small glomerulus-like formations were also identified. The origin of RLD-boutons is unknown but SR-boutons probably derive chiefly from ipsilateral visual cortex and possibly also from superior colliculus, and non-glomerular F-boutons probably originate in the ipsilateral thalamic reticular nucleus. No differences in synaptic organization were found between the part of the nucleus which receives uncrossed retinal input and the part which receives crossed input, nor were differences seen in the size, fine structure or relationships between the terminals of identified crossed and uncrossed retinal axons.
    Type of Medium: Electronic Resource
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