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  • 1
    Electronic Resource
    Electronic Resource
    Arthroscopic resection of the acromioclavicular joint (ARAC) (1993)
    Springer
    Knee surgery, sports traumatology, arthroscopy 1 (1993), S. 209-215 
    Details
    ISSN: 1433-7347
    Keywords: Arthroscopy ; Resection of AC joint
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Sports Science
    Notes: Abstract In 65 patients an arthoscopic resection of the AC-joint (ARAC) was performed. The data of 27 male and 24 female patients with a minimum follow-up of 6 months were available for analysis. 2 patients had bilateral procedures. Patients with rotator cuff tears were excluded from this series. The patients were aged between 22 and 69 years (average 48.4 years). The mean interval from the onset of pain to conservative treatment was 4.6 months and the average period of conservative management prior to surgery was 9.8 months. The indication for ARAC was pain which interfered with the patients' activities of daily living, work, or athletic activities and had not responded to conservative therapy for at least 6 months. Patients' data were recorded before and after surgery according to a 100-point score as well as with a visual analogue scale. The patients' mean preoperative score was 67.8(±14.6). After surgery, a significant improvement to 93.3(±12.3) was achieved. Comparing the different parameters we found significant differences in pain during shoulder movement, function, and active range of motion. Prior to surgery the other parameters already scored well, so they did not serve as good discriminators for these patients. The mean resection length of the lateral clavicle was 23.2 mm inferiorly, 15.9 mm in the middle third, and 13.1 mm superiorly. No ectopic bone formation or postoperative spurs were identified in this series. We could not demonstrate regeneration of the resected parts of the lateral clavicle. No major complication was noted. Our preliminary results did not indicate less successful results than obtained by the conventional open Mumford operation. The radiologic analysis revealed no superior migration of the lateral clavicle. To what extent the preserved stabilising structures of the AC-joint will offer further advantages can not be estimated at this time. Long-term follow-up studies have to prove whether or not the arthroscopic procedure will be able to replace the conventional surgical treatment and to what extent the preservation of the stabilising structures will improve the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560209
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  • 2
    Electronic Resource
    Electronic Resource
    Arthroscopy in patients with knee endoprostheses (1993)
    Springer
    Knee surgery, sports traumatology, arthroscopy 1 (1993), S. 218-222 
    Details
    ISSN: 1433-7347
    Keywords: Knee endoprosthesis ; Arthroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Sports Science
    Notes: Abstract Remarkable advances have been made in knee replacement. Nevertheless, patients and surgeons still face unsolved problems following implantation of an artificial knee joint. In some cases arthroscopy may serve as a diagnostic or surgical tool. Our experience has shown that arthroscopy is helpful in diagnosing polyethylene wear, fractures of prosthetic components and loosening of the endoprosthesis. Moreover, surgical procedures can be synchronously performed, e.g. lateral release for complete or partial patellar dislocation, parapatellar denervation for retropatellar pain and resection of meniscal remnants or a synovial plica in case of interposed tissue. In contrast to knee infections, early prosthetic infections should be treated with an open procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560212
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  • 3
    Electronic Resource
    Electronic Resource
    Inhibition kinetics of phenol degradation from unstable steady-state data (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 54 (1997), S. 567-576 
    Details
    ISSN: 0006-3592
    Keywords: continuous cultivation ; unstable steady state ; substrate inhibition ; phenol degradation ; Pseudomonas cepacia G4 ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Multiplicity of steady states of a continuous culture with an inhibitory substrate was used to estimate kinetic parameters under steady-state conditions. A continuous culture of Pseudomonas cepacia G4, using phenol as the sole source of carbon and energy, was overloaded by increasing the dilution rate above the critical dilution rate. The culture was then stabilized in the inhibitory branch by a proportional controller using the carbon dioxide concentration in the reactor exhaust gas as the controlled variable and the dilution rate as the manipulated variable. By variation of the set point, several unstable steady states in the inhibitory branch were investigated and the specific phenol conversion rates calculated. In addition, phenol degradation was investigated under substrate limitation (chemostat operation).The results show that the phenol degradation by P. cepacia can be described by the same set of inhibition parameters under substrate limitation and under high substrate concentrations in the inhibitory branch. Biomass yield and maintenance coefficients were identical. Fitting of the data to various inhibition models resulted in the best fit for the Yano and Koga equation. The well-known Haldane model, which is most often used to describe substrate inhibition by phenol, gave the poorest fit. The described method allows a precise data estimation under steady-state conditions from the maximum of the biological reaction rate up to high substrate concentrations in the inhibitory branch. Inhibition parameter estimation by controlling unstable steady states may thus be useful in avoiding discrepancies between data generated by batch runs and their application to continuous cultures which have been often described in the literature. © 1997 John Wiley & Sons, Inc. Biotechnol Bioeng 54: 567-576, 1997.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Über Pterinchemie. 33., vorläufige Mitteilung. Luftoxydation von 6,6-disubstituierten Tetrahydropterinen, ein Beitrag zur Frage der Existenz von Parachinoid-dihydropterinen (1970)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 53 (1970), S. 1434-1436 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Luftoxydation von 6,6-disubstituierten Tetrahydropterinen führt nicht, wie vermutet, zu Parachinoid-dihydropterinen, sondern unter Verlust einer der beiden Seitenketten zu 7, 8-Dihydropterinen. Dieses Ergebnis wird im Zusammenhang mit der existierenden Theorie der Tetrahydropterin-Oxydation kurz diskutiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19700530626
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  • 5
    Electronic Resource
    Electronic Resource
    Substances naturelles isolées de microorganismes. 1re communication, Préliminaire. Nouvelles ptéridines et nouvelles porphyrines obtenues à partir de Pseudomonas roseus fluorescens J. C. MARCHAL 1937 (1964)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 47 (1964), S. 1948-1950 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A partir d'un bouillon de culture synthétique de Pseudomonas roseus fluorescens J. C. MARCHAL 1937, nous avons isolé et caractérisé l'hydroxyméthyl-8-ptérine, la L-thréo-trihydroxypropyl-8-ptérine que nous appelons monaptérine, et une zinco-porphyrine que now appelons usticaphyrine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19640470735
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  • 6
    Electronic Resource
    Electronic Resource
    Naturstoffe aus Mikroorganismen. 3. Mitteilung [1]. Isolierung von 6-Hydroxymethyl-pterin aus Kulturen von Pseudomonas roseus fluorescens J. C. MARCHAL 1937 (1968)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 51 (1968), S. 1554-1557 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Isolierung des 6-Hydroxymethyl-pterins, neben anderen Pteridinen, aus Kulturen von Pseudomonas roseus fluorescens in synthetischer Nährlösung wird beschrieben. Die biologische Bedeutung dieses erstmals als reiner Stoff aus natürlicher Quelle isolierten Pterins wird geschildert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19680510708
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  • 7
    Electronic Resource
    Electronic Resource
    Zur Kenntnis der VAN SLYKE-Reaktion des Muscimols und anderer 3-Hydroxyisoxazole. 32. Mitteilung über Inhaltsstoffe von Fliegenpilzen31. Mitteilung vorangehend. (1969)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 52 (1969), S. 720-724 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 3-Hydroxyisoxazole werden unter sehr milden Bedingungen zu instabilen N-Nitrosoverbindungen nitrosiert, welche in verdünnter Essigsäure rasch in N2O und CO2 zerfallen. Die Reaktion kann als Mikromethode zur Erkennung von 3-Hydroxyisoxazolen benutzt werden.Die Synthese mehrerer neuer 3-Hydroxyisoxazole wird angegeben.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19690520321
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  • 8
    Electronic Resource
    Electronic Resource
    Über Pterinchemie. 35. Mitteilung [1]. Herstellung von 6-aminomethyl-6-methyl-5,6,7,8-tetrahydropterin, ein Beitrag zur frage der Existenz von parachinoid-dihydropterinen (1971)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 54 (1971), S. 811-818 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die erste Synthese eines 6, 6-disubstituierten Tetrahydropterins, nämlich des 6-Aminomethyl-6-methyl-5, 6, 7, 8-tetrahydropterins, wird beschrieben: Das durch Anlagerung von Blausäure an 6-Methyl-7, 8-dihydropterin entstandene 6-Cyano-6-methyl-5, 6, 7, 8-tetrahydropterin wird acetyliert, reduziert und anschliessend desacetyliert. Entgegen unserer Erwartung bildet das 6-Aminomethyl-6-methyl-tetrahydropterin bei der Oxydation durch Luftsauerstoff unter physiologischen Bedingungen kein Parachinoid-dihydropterin, sondern wird direkt zu 6-Methyl-7, 8-dihydropterin, Formaldehyd und Ammoniak abgebaut.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19710540305
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  • 9
    Electronic Resource
    Electronic Resource
    161. Inhibierungsparameter für quasi-stationäre Bedingungen am Beispiel des Phenolabbaus durch Pseudomonas cepacia G4 (1996)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1169-1169 
    Details
    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
    URL: http://dx.doi.org/10.1002/cite.3306809163
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  • 10
    Electronic Resource
    Electronic Resource
    Untersuchungen über die Bestimmungen des Zuckers in den Cacaowaaren (1892)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 5 (1892), S. 173-183 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.18920050606
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