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  • 2015-2019  (2)
  • 1985-1989  (1,159)
  • 1960-1964  (434)
  • 1830-1839  (10)
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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of chemical & engineering data 31 (1986), S. 273-274 
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 85 (1963), S. 2170-2171 
    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
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Psychology 14 (1963), S. 155-174 
    ISSN: 0066-4308
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Psychology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 245 (1962), S. 122-123 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 8 (1987), S. 1083-1096 
    ISSN: 1572-9559
    Keywords: propyne ; infrared ; spectroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Theν 5 andν 8 bands of propyne have been reinvestigated using a FTS spectrum between 900 and 1000 cm−1 with a resolution of 0.005 cm−1. About 1500 lines have been assigned. Some perturbations are clearly evident. Molecular parameters ofν 5=1 andν 8=1 levels were determined.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 7 (1986), S. 405-419 
    ISSN: 1572-9559
    Keywords: Propyne ; Molecular Constant ; Laser Stark ; Dipole moment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The perpendicularv 8 band lying in the 1000–1100 cm−1 region has been studied from infrared and laser Stark, spectra. We were interested in the part of spectrum corresponding to the spectral range of the 9 μm CO2 laser lines. Assignments of rovibrational lines with J'〈40 and K'〈6 have been made. About 100 Stark resonances have been assigned to 12 rovibrational transitions. Effective molecular constants and dipole moment have been determined with high accuracy. A list of close resonances with CO2 laser lines is given and may be used for optical pumping experiments.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 323 (1963), S. 57-64 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The degree of electric charging of metal surfaces due to retarding of neutral metallic and semiconducting particles having various velocities has been determined. The effects are supposed to result from the exo-emission of electrons the amount of which depends on the velocities, masses, and impact angles of the particles.From the strong differences between the reactivities of solid substances during and after mechanical working it is concluded that the observed exo-emission is caused by exitation states at submicroscopic surface points.
    Notes: Die elektrische Aufladung von Metalloberflächen bei der Impuls-Bremsung nicht geladener, fliegender, metallischer und halbleitender Partikel verschiedener Geschwindigkeiten wird gemessen. Die beobachteten Erscheinungen lassen sich aus der Exo-Emission von Elektronen herleiten. Diese ergibt sich u. a. aus dem Zusammenhange zwischen der Elektronen-Austrittsarbeit der beteiligten Partner und der Größe der gebremsten Impulse. Die Ladungs-Übergänge hängen Übersichtlich vom Quadrat der Geschwindigkeiten, von der Masse und vom Auftreffwinkel der Körner ab. Einflüsse mechanischer Vorbehandlung der Festkörper, entsprechend früheren Beobachtungen, werden bestätigt.Im Zusammenhange mit den beobachteten großen Unterschieden des Reaktionsvermögens von Festkörpern während der Bearbeitung und nach ihrem Abschluß lassen die beobachteten Exo-Emissionen auf das Auftreten erhöhter Anregungszustände an submikroskopischen Orten während der Impuls-Bremsung schließen.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 52 (1989), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: A cDNA clone was isolated from a rat superior cervical ganglion cDNA library with an oligonucleotide that hybridized to muscle-like nicotinic acetylcholine receptor (nAChR) subunit cDNA. The deduced amino acid sequence possesses characteristics expected of a nAChR subunit that does not bind acetylcholine, in addition to distinctive features such as unique cysteine residues and N-linked glycosylation sites.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: A chondroitin sulfate proteoglycan called PGM 1 has been isolated from the particulate fraction of adult rat forebrain. Delipidation of the material, solubilization of proteoglycans in guanidinium chloride, precipitation at low ionic strength, and final extraction at pH 5.0 were used for its isolation. Proteoglycans were subjected to further purification by diethylaminoethyl-cellulose chromatography. Individual components were separated by gel filtration. PGM 1 appeared to be a high-molecular-weight chondroitin sulfate proteoglycan, capable of strong interaction with hy-aluronic acid. It was finally isolated by gel filtration on Ultrogel AcA 22 in the presence of 4 M guanidinium chloride. Monospecific antibodies obtained in rabbits against the purified molecule did not cross-react with other brain proteoglycans. Immunocytochemical techniques revealed an almost unique association of this compound with axons, particularly those known to contain neurofilaments. However, not all these axons and all parts of these axons contained PGM 1. This component was not detectable in liver, intestine, spleen, kidney, lung, heart, skin, hair, lens, and muscle, a finding suggesting a specificity for the nervous tissue. This component is expressed in neural cell cultures. Despite the preservation of the neuronal specificity, it seems to lose its specific axonal localization in vitro.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Presynaptic muscarinic and nicotinic receptors in the cerebral cortex reportedly inhibit and increase acetyl-choline (ACh) release, respectively. In this study, we investigated whether these receptors reside on cholinergic nerve terminals projecting to the cerebral cortex from the nucleus basalis magnocellularis (nbm). Adult male rats received unilateral infusions of ibotenic acid (5 μg/1 μl) in the nbm. Two weeks later, cerebral cortical cholinergic markers (choline acetyltransferase activity, high-affinity choline uptake, and coupled ACh synthesis) were significantly reduced in synaptosomes prepared from the lesioned hemispheres compared to contralateral controls. The depolarization-induced release of [3H]ACh from these synaptosomes was also reduced in the lesioned hemispheres, reflecting the reduced synthesis of transmitter. However, the nbm lesions had no effect on the inhibition of release induced by 100 μM oxotremorine. Synaptosomal [3H]ACh release was not altered by nicotine or the nicotinic agonists anabaseine and 2-(3-pyridyl)-l, 4, 5, 6-tetrahydropyrimdine. Nicotine (10–100 μM) did increase [3H]ACh release in control and lesioned hemispheres in cortical minces, but to a similar extent. These results suggest that neither muscarinic nor nicotinic receptors modulating ACh release reside on nbm-cholinergic terminals.
    Type of Medium: Electronic Resource
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