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  • Electronic Resource  (10)
  • Analytical Chemistry and Spectroscopy  (3)
  • Polymer and Materials Science  (3)
  • Complications  (2)
  • Industrial Chemistry  (2)
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  • Electronic Resource  (10)
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  • 1
    ISSN: 1432-1238
    Keywords: Key words Alcoholism ; Trauma ; Intensive care unit ; Complications ; Infection ; Alcohol withdrawal syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract   Objective: A chronic alcoholic group following trauma was investigated to determine whether their ICU stay was longer than that of a non-alcoholic group and whether their intercurrent complication rate was increased. Design: Prospective study. Setting: An intensive care unit. Patients: A total of 102 polytraumatized patients were transferred to the ICU after admission to the emergency room and after surgical treatment. Of these patients 69 were chronic alcoholics and 33 were allocated to the non-alcoholic group. The chronic-alcoholic group met the DSM-III-R and ICD-10 criteria for alcohol dependence or chronic alcohol abuse/harmful use. The daily ethanol intake in these patients was ≥60 g. Diagnostic indicators included an alcoholism-related questionnaire (CAGE), conventional laboratory markers and carbohydrate-deficient transferrin. Measurement and results: Major intercurrent complications such as alcohol withdrawal syndrome (AWS), pneumonia, cardiac complications and bleeding disorders were documented and defined according to internationally accepted criteria. Patients did not differ significantly between groups regarding age, TRISS and APACHE score on admission. The rate of major intercurrent complications was 196% in the chronic alcoholic vs 70% in the non-alcoholic group (P=0.0001). Because of the increased intercurrent complication rate, the ICU stay was significantly prolonged in the chronic-alcoholic group by a median period of 9 days. Conclusions: Chronic alcoholics are reported to have an increased risk of morbidity and mortality. However, to our knowledge, nothing is known about the morbidity and mortality of chronic alcoholics in intensive care units following trauma. Since chronic alcoholics in the ICU develop more major complications with a significantly prolonged ICU stay following trauma than non-alcoholics, it seems reasonable to intensify research to identify chronic alcoholics and to prevent alcohol-related complications.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1238
    Keywords: Alcoholism ; Trauma ; Intensive care unit ; Complications ; Infection ; Alcohol withdrawal syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective A chronic alcoholic group following trauma was investigated to determine whether their ICU stay was longer than that of a non-alcoholic group and whether their intercurrent complication rate was increased Design Prospective study. Setting An intensive care unit. Patients A total of 102 polytraumatized patients were transferred to the ICU after admission to the emergency room and after surgical treatment. Of these patients 69 were chronic alcoholics and 33 were allocated to the non-alcoholic group. The chronic-alcoholic group met the DSM-III-R and ICD-10 criteria for alcohol dependence or chronic alcohol abuse/harmful use. The daily ethanol intake in these patients was ≥60 g. Diagnostic indicators included an alcoholismrelated questionnaire (CAGE), conventional laboratory markers and carbohydrate-deficient transferrin. Measurement and results Major intercurrent complications such as alcohol withdrawal syndrome (AWS), pneumonia, cardiac complications and bleeding disorders were documented and defined according to internationally accepted criteria. Patients did not differ significantly between groups regarding age, TRISS and APACHE score on admission. The rate of major intercurrent complications was 196% in the chronic alcoholic vs 70% in the non-alcoholic group (P=0.0001). Because of the increased intercurrent complication rate, the ICU stay was significantly prolonged in the chronic-alcoholic group by a median period of 9 days. Conclusions Chronic alcoholics are reported to have an increased risk of morbidity and mortality. However, to our knowledge, nothing is known about the morbidity and mortality of chronic alcoholics in intensive care units following trauma. Since chronic alcoholics in the ICU develop mor major complications with a significantly prolonged ICU stay following trauma than non-alcoholics, it seems reasonable to intensify research to identify chronic alcoholics and to prevent alcohol-related complications.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 29 (1998), S. 714-719 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Mechanical properties of cold-drawn and cast Grade 2 TitaniumThe static and dynamic properties of Grade 2 Titanium for dental applications are investigated. The typical casting procedures used in dental laboratories lead to a drastic deterioration of the mechanical properties compared to wrought material. This deterioration is caused by changes in microstructure and surface roughness. The experimental results are used to determine opportunities for improvements and their limits.
    Notes: In dieser Arbeit werden die statischen und dynamischen Eigenschaften von in der Zahntechnik verwendetem Titan Grad 2 untersucht. Es zeigt sich, daß die in zahntechnischen Laboratorien üblichen Herstellungsprozesse und Bearbeitungsschritte bei gegossenem Titan eine erhebliche Verschlechterung der Eigenschaften gegenüber kommerziell erhältlichen Ti-Halbzeugen bewirken. Diese Verschlechterung läßt sich auf Änderungen im Gefüge und der Oberflächenrauhigkeit zurückführen. Aus den Untersuchungsergebnissen werden Möglichkeiten und Grenzen für die Optimierung des Herstellungsprozesses für Zahnersatz aus Titan Grad 2 abgeleitet.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1106-1107 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 65 (1993), S. 1086-1086 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1169-1169 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 18 (1956), S. 139-150 
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The sulfonation of polystyrene with concentrated sulfuric acid, oleum or chlorosulfonic acid yields products which swell but are insoluble. On the other hand, soluble products are obtained by sulfonation with the addition compound of sulfur trioxide with dioxane.The preparation, purification and analysis of such polystyrene sulfonic acids and their salts are described. The degree of sulfonation can be varied within wide limits. Products with one sulfonic acid group to about ten phenyl groups are soluble in alcohols and other polar solvents while higher sulfonated products are soluble in water.
    Notes: Die Sulfonierung des Polystyrols mit konzentrierter Schwefelsäure oder Oleum oder Chlorsulfonsäure führt zu unlöslichen, nur quellbaren Polystyrolsulfonsäuren. Im Gegensatz dazu erhält man mit der Additionsverbindung von Schwefeltrioxyd an Dioxan lösliche Produkte.Die Herstellung, Reinigung und Analyse von derartigen Polystyrolsulfonsäuren und ihrer Salze wird beschrieben. Der Sulfonierungsgrad kann in weiten Grenzen variiert werden. Produkte mit einer Sulfonsäuregruppe pro ca. zehn Phenylreste sind in gewissen Alkoholen und anderen polaren Lösungsmitteln löslich, höher sulfonierte in Wasser.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 30 (1992), S. 466-475 
    ISSN: 0749-1581
    Keywords: Heteronuclear NOE ; Selective pulses ; Shaped pulses ; Sequential excitation ; Improved data accumulation ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An improved 1D pulse sequence for detecting heteronuclear NOEs on a qualitative level is described and demonstrated. It makes use of shaped selective pulses and takes advantage of sequential perturbation of several proton resonances during one experiment and correspondingly more efficient data accumulation schemes. The method is particularly suitable for assigning quaternary carbons and for establishing connectivities between assigned molecular fragments bound to these quaternary centres.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 28 (1990), S. 205-211 
    ISSN: 0749-1581
    Keywords: Tetramethyllimonene ; Assignments ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Dynamic effects of tetramethyllimonene were studied at low temperatures. Nuclear Overhauser effects measured under optimized conditions at 223 K and the results of 2D correlation experiments allowed the identification of two conformers and the assignment of all the proton and carbon resonances. For the determination of exchange and relaxation rates the method of saturation transfer was applied. At temperatures below 223 K further dynamic effects were recognized. Structural information obtained experimentally was compared with the results of Allinger force field calculations.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 29 (1991), S. 834-847 
    ISSN: 0749-1581
    Keywords: Cembrenenol ; Cyclic diterpene ; Conformational analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The solution structure of the cyclic diterpene cembrenenol was investigated. A strategy for conformational analysis is proposed which is based on computational methods and experiments to determine the structure-relevant NMR parameters. Computed and experimentally determined steady-state NOEs were compared in a first step, which served to sort out a few probable conformers. The detailed analysis of homo- and hetero-nuclear coupling information together with NOE data defining local geometries allowed, in a second step, the selection of the most probable conformation. The structure corresponds to the lowest energy structure proposed by computational methods alone. Its ring structure is in excellent agreement with the x-ray ring structure of the closely related cembrenene.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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