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  • Chemistry  (4)
  • Ranunculaceae  (3)
  • 74.70.Kn  (2)
  • Anatomy  (2)
  • Coptis japonica  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Phytochemistry 34 (1993), S. 697-701 
    ISSN: 0031-9422
    Keywords: Coptis japonica ; Ranunculaceae ; alkaloid uptake ; cell suspension culture ; intracellular transport. ; vacuole
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Phytochemistry 36 (1994), S. 1363-1367 
    ISSN: 0031-9422
    Keywords: Coptis japonica ; Ranunculaceae ; berberine ; membrane ; specific binding ; transport.
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Phytochemistry 36 (1994), S. 327-332 
    ISSN: 0031-9422
    Keywords: 6-benzylaminopurine ; Ranunculaceae ; Thalictrum minus ; cytokinin ; induction of berberine biosynthesis ; norcoclaurine-O-methyltransferase. ; plant cell culture
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1998), S. 365-369 
    ISSN: 1279-8517
    Keywords: Semimembranosus m. ; Lateral meniscus ; Anatomy ; MRI ; Oblique popliteal ligament
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Forty-two cadaver knees were used for morphologic and MRI observations of the tendinous distal expansions of the semimembranosus m. and the posterior capsular structures of the knee. A tendinous branch of the semimembranosus m. inserting into the posterior horn of the lateral meniscus was found in 43.2% of the knees dissected, besides five already known insertional branches; capsular, direct, anterior and inferior, as well as the oblique popliteal ligament. The tendon had three morphologic types; thin, broad and round. All three types moved the lateral meniscus posteriorly when pulled on. Thus, the semimembranosus m. may also have a protective function for the lateral meniscus as well as the already well established function of protecting the medial meniscus in knee flexion. When a semimembranosus tendon attachment to the posterior horn of the lateral meniscus is present, its normal insertion is difficult to differentiate from a lateral meniscus tear in MRI and this may cause misdiagnosis.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 365-369 
    ISSN: 1279-8517
    Keywords: Semimembranosus m. ; Lateral meniscus ; Anatomy ; MRI ; Oblique popliteal ligament
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Une étude morphologique et en IRM des terminaisons du tendon distal du m. semi-membraneux et des structures postérieures de la capsule du genou a été réalisée à partir de 42 genoux de cadavres. Un faisceau tendineux du m. semi-membraneux s'insérant sur la corne postérieure du ménisque latéral a été trouvée dans 43,2 % des genoux disséqués en plus des cinq faisceaux déjà connus : capsulaire, direct, antérieur et inférieur, ainsi que le lig. poplité oblique. Ce faisceau présentait trois types morphologiques : fin, large, rond. Quel que soit son type, sa traction vers l'arrière mobilisait le ménisque latéral. De ce fait, le m. semi-membraneux aurait également un rôle protecteur sur le ménisque latéral, identique à celui déjà décrit pour le ménisque médial lors de la flexion du genou. Lorsque le tendon du m. semi-membraneux présente un faisceau d'insertion sur la corne postérieure du ménisque latéral, il est difficile en IRM de différencier cette insertion d'une rupture du ménisque latéral et cela peut être une cause d'erreur diagnostique.
    Notes: Summary Forty-two cadaver knees were used for morphologic and MRI observations of the tendinous distal expansions of the semimembranosus m. and the posterior capsular structures of the knee. A tendinous branch of the semimembranosus m. inserting into the posterior horn of the lateral meniscus was found in 43.2% of the knees dissected, besides five already known insertional branches; capsular, direct, anterior and inferior, as well as the oblique popliteal ligament. The tendon had three morphologic types; thin, broad and round. All three types moved the lateral meniscus posteriorly when pulled on. Thus, the semimembranosus m. may also have a protective function for the lateral meniscus as well as the already well established function of protecting the medial meniscus in knee flexion. When a semimembranosus tendon attachment to the posterior horn of the lateral meniscus is present, its normal insertion is difficult to differentiate from a lateral meniscus tear in MRI and this may cause misdiagnosis.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of low temperature physics 105 (1996), S. 1733-1738 
    ISSN: 1573-7357
    Keywords: 74.60.Ge ; 74.70.Kn
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Local magnetization measurements using micro Hall probes were carried out on a quasi two-dimensional organic superconductor κ-(BEDT-TTF)2Cu(NCS)2. Peak structures in the local magnetization hysteresis loops were found at around 50 G. We ascribe this anomaly to the field-induced decomposition of vortex lines into pancake vortices, which is found in a high temperature superconductor Bi2Sr2CaCu2O8+y. Mixed state phase diagram in κ-(BEDT-TTF)2Cu(NCS)2 is compared with that in Bi2Sr2CaCu2O8+y.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of low temperature physics 105 (1996), S. 1715-1720 
    ISSN: 1573-7357
    Keywords: 74.25.Nf ; 74.70.Kn ; 74.60.Ge
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A cavity perturbation technique is used to measure the magnetic-field dependence of surface impedance at 24 and 41 GHz in superconducting κ-(BEDT-TTF)2Cu(NCS)2 single crystals. A peak structure in the surface resistance Rs(H) is observed (1) below Tc, (2) when microwave electric field is perpendicular to the superconducting layer, and (3) at higher magnetic field for the lower measurement frequency (anticyclotronic behavior). These observations are identified as the Josephson plasma mode. The peak field increases as the temperature is lowered even below the irreversibility line in contrast to the case of Bi2Sr2CaCu2O8+y.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 30 (1985), S. 1461-1472 
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Field desorption mass spectrometry (FDMS) was applied to the study of the initiation mechanism of thermal polymerization of styrenes. The FD mass spectrum was measured for a cooligomer of α,α,β-trideuterostyrene and p-methoxystyrene produced by thermal polymerization using ethylbenzene as a solvent, and this was compared with the spectrum of an oligomer of p-methoxystyrene. The above two FD mass spectra showed characteristic differences, depending upon the number of hydrogen and deuterium atoms and upon the presence or absence of the methoxy group, in the oligomers. Molecular species observed in the spectra were identified based on these considerations. As a result, we could distinguish the “true trimer” produced from three monomers from the “cross trimer” produced from fragments of five monomers. It was found that the “true trimer” was the major constituent in the trimer region, and that the “true trimer” was produced mainly by the cage reaction between initiating radicals.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 11 (1967), S. 297-304 
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The advancing contact angle of water on plastic film coatings on metal was measured against both the air and the metal side surfaces after their being peeled off from the metal substrate. The plastic used was a methacrylate copolymer, and it was baked on cadmium, aluminum, nickel, iron, and gold. Contact angle for the air side was about 74° at 25°C. for all metals, but the values on the metal side differed considerably, ranging from 76° for gold to 50° for cadmium. At the same time the static breaking strengths of the same films were investigated by applying a knife-edge vertically to the film with increasing load and measuring the weight at which the electric resistance through the film became zero. Increasing film thickness gave increasing strength, but further thickening made the film weaker with a tendency for crack formation. The film-metal combinations of larger contact angle difference generally also showed the higher breaking strength.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 28 (1983), S. 2303-2316 
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Field desorption mass spectra of normal and deuterated styrene oligomers synthesized in several alkylbenzenes were measured. Analysis of the mechanism of thermal oligomerization was carried out by identifying the molecular species in the reaction system using field desorption mass spectra. As a result, the existence of several kinds of molecular species was confirmed. The minor molecular species originated from dissolved oxygen, from the cleavage of solvent radicals to which oxygen was attached, or from H-D exchange in the oligomerization of deuterated styrene. The major molecular species originated from radical telomerization of solvents and styrene dimers, from the recombination termination reaction, and from the cage reaction between initiating radicals. Field desorption mass spectrometry was found to be useful for analyzing the mechanism of styrene oligomerization as well as characterizing the oligomers.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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