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  • Electronic Resource  (10)
  • 1970-1974  (10)
  • 1973  (10)
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  • Electronic Resource  (10)
Years
  • 1970-1974  (10)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Separation of polyaromatic hydrocarbons by liquid-solid chromatography using 2,4,7-trinitrofluorenone impregnated Corasil I columns (1973)
    s.l. : American Chemical Society
    Analytical chemistry 45 (1973), S. 496-500 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60325a030
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  • 2
    Electronic Resource
    Electronic Resource
    MEASUREMENTS OF INTRACELLULAR CONDUCTIVITY IN APLYSIA NEURONS: EVIDENCE FOR ORGANIZATION OF WATER AND IONS (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 204 (1973), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1973.tb30801.x
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  • 3
    Electronic Resource
    Electronic Resource
    The role of dermal blood vessels in the pathogenesis of malignant atrophic papulosis (Degos' disease) (1973)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 88 (1973), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The role of dermal blood vessels in the histopathogenesis of malignant atrophic papulosis has been investigated in two patients using enzyme histochemical, tissue fibrinolysis and electron-microscopic techniques. In the earliest papules the normal enzymatic reactions of the endothelium and fibrinolytic activity of affected blood vessels were markedly impaired or absent. The endothelial cells were swollen and showed minor degenerative changes, but no cytoplasmic inclusions suggestive of virus particles could be detected. The results of intradermal skin tests and lymphocyte transformation cultures did not suggest the presence of any immunological defect. It is suggested that the skin lesions of malignant atrophic papulosis could be secondary to the slow occlusion of deeper arterioles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1973.tb07537.x
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of furosemide upon urinary kallikrein excretion (1973)
    Springer
    Inflammation research 3 (1973), S. 267-274 
    Details
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Having in mind the significant decrease of urinary kallikrein in rat with renal hypertension and in humans with essential hypertension, the effects of furosemide on kininogenase activity has been studied in urine of normal and hypertensive rats which received tap water or a 1% NaCl solution for drinking. Administration of 20 mg furosemide which produces maximal diuretic effect in normal rats, induced in these animals a 150–200% increase of the excretion of this enzyme after 8 hours, when compared to the activity measured before giving the drug. This increase which is observed in the normal rats drinking either water or a 1% NaCl solution shows a significant correlation with the excretion of sodium, potassium and water. In hypertensive rats, in 7 or 9 cases, an increase of kallikrein excretion (200–600%) is observed, which does not reach the levels of excretion in normal untreated rats. Furosemide did not produce increase of urinary kallikrein in hypertensive rats drinking 1% NaCl solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01986479
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  • 5
    Electronic Resource
    Electronic Resource
    Skin collagen and thickness in cushing's syndrome (1973)
    Springer
    Archives of dermatological research 246 (1973), S. 365-368 
    Details
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei 6 Patienten mit Cushing-Syndrom wurde der Kollagengehalt der Haut durch Hydroxyprolinbestimmung gemessen und pro Hautoberfläche sowie fettfreiem Trockengewicht errechnet. Die Dicke der Haut wurde radiologisch bestimmt mit anschließender Kalkulation der Kollagendichte. Im Vergleich zu einer großen Kontrollgruppe zeigte sich beim Cushing-Syndrom eine herabgesetzte Hautdicke, ein verminderter Kollagengehalt sowie eine gleichfalls herabgesetzte Kollagendichte.
    Notes: Summary Six patients with Cushing's Syndrome were studied. Skin collagen was measured as hydroxyproline and expressed per unit surface area and fat free dry weight. Skin thickness was measured radiologically and collagen density calculated. By comparison with a large series of normals it was found that total skin thickness, skin collagen content and probably density were decreased in Cushing's Syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00595217
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  • 6
    Electronic Resource
    Electronic Resource
    Pyrolysis-gas-liquid chromatography of fungi: Observations on variability among nine Penicillium species of the section asymmetrica, subsection fasciculata (1973)
    Springer
    Mycopathologia 51 (1973), S. 1-18 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Mathematical expressions of variability or similarity based on data from pyrolysis-gas-liquid chromatograms were calculated for each combination among three strains of each of nine fasciculatePenicillium spp. The mean similarity for eight of these species clustered around 41 but the similarity forP. cyclopium was 58. Within each of the nine species, exceptP. urticae, at least one combination of strains had a similarity of 51 or greater. Similarities were also calculated for 576 possible combinations among 27 strains used in this study. These data indicate that certain strains of these nine penicillia may be more closely related to strains of other fasciculate species than they are to strains within their own species. This agrees with previous observations on variability and intergradation in the subsection Fasciculata.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02141281
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  • 7
    Electronic Resource
    Electronic Resource
    The mechanical behaviour of human tissue (1973)
    Springer
    Journal of materials science 8 (1973), S. 631-639 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The human body comprises several different forms of tissue. Understanding both the normal and abnormal mechanical behaviour of different tissues can be of considerable help to both the physician and the surgeon. To achieve this understanding requires the closest of collaboration amongst doctors, engineers and materials scientists in the form of joint research projects. This paper indicates some of these topics in the hope of illustrating the medical value, from the patient's point of view, of the results of this form of multidisciplinary research. This field of activity is very broad and no single review can hope to be comprehensive. However, the author hopes that the topics described will encourage other interested materials scientists to pursue research in this subject. More detailed information can be found in the individual references.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00561218
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Fibrinolysis in retinal vein occlusions (1973)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 187 (1973), S. 327-340 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über einen vergleichenden Behandlungsversuch von retinalen venösen Gefäßverschlüssen mit Fibrinolyse und anschließender Anticoagulantientherapie bzw. nur mit Anticoagulantien ein vorläufiger Ergebnisbericht vorgelegt. Die Auswahl der Patienten für eine der beiden Behandlungsmethoden erfolgte zufällig. 12 Fälle konnten bisher 3–6 Monate nachbeobachtet werden. Die Fibrinolyse beeinflußte das Sehvermögen und die Maculaveränderungen günstig, auch wenn zwischen Gefäßverschluß und Behandlungsbeginn längere Zeiträume lagen (1–22 Wochen). Für einen statistischen Nachweis eines Unterschiedes gegenüber der Vergleichsreihe reicht die Zahl der Patienten noch nicht aus (je 6 Fälle). Interessant sind auch die Ergebnisse der Fluoresceinangiographie. 3 Monate nach der Fibrinolyse zeigt sich meist eine normale retinale Zirkulation, während die nur mit Anticoagulantien behandelten Fälle überwiegend zur Entwicklung von Collateralen neigen. Die Ergebnisse rechtfertigen eine Fortsetzung der Versuchsreihe.
    Notes: Summary A randomized trial to study the effects of Streptokinase induced fibrinolysis and of anticoagulative therapy only on patients with retinal vein thromboses was started in June 1971. A first evaluation of 12 cases, which have been followed up for 3 or 6 months, is reported. Visual function and macular alterations were favorably influenced by fibrinolysis. Patients with only anticoagulant therapy rather deteriorated in function. Fluorescein angiographs suggest a restitution of normal retinal circulation 3 months after fibrinolysis. Patients with anticoagulative therapy only tended to develop collaterals and persistant pathological signs. Statistical significance could not be achieved in the reduced number of patients. The results are, however, promising and justify a continuation of the study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00414445
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  • 9
    Electronic Resource
    Electronic Resource
    Recherches sur la stéréochimie des diènes fonctionnels - X: Etude par Résonance Magnétique Nucléaire d'alcoxybutadiènes 1,3 (1973)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 5 (1973), S. 265-270 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The nuclear magnetic resonance parameters of 1,3 alkoxy-butadienes are strongly dependent on the cis or trans configuration of the ethylenic systems. A discussion of the different types of coupling constants and of the additivity of substituent effects on the chemical shift is proposed. The results are applied to the identification of isomers and to the study of the electronic and stereochemical structure of each configuration. The conformational equilibrium about the C—C and C—O bonds is discussed with special reference to the aromatic solvent and temperature effects.
    Notes: Les paramètres RMN d'alcoxybutadiènes 1,3 dépendent fortement de la configuration cis ou trans du motif éthylénique. Une discussion des différents types de constantes de couplage et des effets d'additivité de substituants sur les déplacements chimiques tente de dégager les facteurs électroniques ou stéréochimiques influencés par un changement de configuration. L'équilibre conformationnel au niveau des liaisons C—C et C—O est discuté en faisant appel notamment aux effets de solvant aromatique et de température.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270050604
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  • 10
    Electronic Resource
    Electronic Resource
    Recherches sur la stéréochimie des diènes fonctionnnels - XI: Interprétation théorique des déplacements chimiques de stéréoisomères D'éthoxybutadiènes-1,3 (1973)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 5 (1973), S. 271-274 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A theoretical analysis of the proton chemical shifts of alkoxy-1,3-diene stereoisomers is proposed. The diamagnetic contribution is calculated from π and σ theoretical indices obtained by the CNDO/2 method. This effect depends on the stereochemistry of the molecule and the charges and chemical shifts alternate in the same way. The diamagnetic part is often small compared to the experimental value, however, and the paramagnetic contribution Δδp is important. Δδp is difficult to explain with the usual models of anisotropic and electric contributions, but the results give useful information on the conformations of the molecules.
    Notes: Une analyse théorique des déplacements chimiques protoniques de stéréoisoméres alcoxydiéniques est proposée. La contribution diamagnétique est évaluée à partir des indices théoriques π et σ obtenus par un calcul de type CNDO/2; ce terme qui dépend de la stéréochimie ne suffit pas à expliquer les écarts expérimentaux, bien que l'alternance des charges refléte celle des déplacements chimiques; la contribution paramagnétique est importante mais reste mal expliquée dans le cadre des méthodes approchées de calcul des effects d'anisotropie et de champélectrique. Cependant l'analyse des résultats apporte des informations sur la nature des équilibres conformationnels au niveau de la liaison=C—O—.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270050605
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