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  • 1
    Electronic Resource
    Electronic Resource
    The impact of diabetes mellitus on survival after myocardial infarction: can it be modified by drug treatment? (2000)
    Springer
    Diabetologia 43 (2000), S. 218-226 
    Details
    ISSN: 1432-0428
    Keywords: Keywords Diabetes mellitus, acute myocardial infarction, 28-day mortality, long-term survival, population-based register, secondary prevention.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aims/hypothesis. Mortality of diabetic patients after myocardial infarction remains high despite recent improvement in their management. This study population-based evaluates the impact of cardiovascular drug therapy on mortality within 28 days and during 5-year follow-up in diabetic compared with non-diabetic patients.¶Methods. Using the MONICA Augsburg register from 1985 to 1992, 2210 inpatients with incident Q-wave myocardial infarction aged 25–74 years were included, of whom 468 had diabetes. Primary end point was mortality within 28 days and over 5 years. General linear model procedures were used for age-adjustment, controlling for sex, and testing significance; hazard risk ratios were calculated using multivariable Cox proportional hazards model procedures.¶Results. During the 5-year follow-up, 598 subjects died (396 diabetic, 202 non-diabetic). The mortality rate within 28 days was 12.6 % in diabetic patients (women 18.0 %, men 9.9 %) and 7.3 % in non-diabetic patients (p = 0.001). Mortality in diabetic patients over 5 years was increased by 64 % (95 % confidence interval 1.39–1.95) compared with non-diabetic patients. This was considerably reduced (p 〈 0.001) in patients treated with thrombolytic drugs (risk ratio: diabetes 0.57, no diabetes 0.65) and with beta blockers (0.62 and 0.64) and antiplatelets (0.76 and 0.74) at hospital discharge. Mortality of diabetic patients treated with these drugs was reduced to that of non-diabetic patients without such treatment (risk ratio 1.01 to 1.27; p 〉 0.1).¶Conclusion/interpretation. Diabetic patients after myocardial infarction are at particularly high risk of dying, but benefit clearly from treatment with thrombolytics, beta blockers and antiplatelets. This study does not, however, allow any inferences to be drawn for treatment with angiotensin converting enzyme inhibitors or the impact of left ventricular function. [Diabetologia (2000) 43: 218–226]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001250050032
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  • 2
    Electronic Resource
    Electronic Resource
    Almost sure asymptotics for the continuous parabolic Anderson model (2000)
    Springer
    Probability theory and related fields 118 (2000), S. 547-573 
    Details
    ISSN: 1432-2064
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract. We consider the parabolic Anderson problem ∂ t u = κΔu + ξ(x)u on ℝ+×ℝ d with initial condition u(0,x) = 1. Here κ 〉 0 is a diffusion constant and ξ is a random homogeneous potential. We concentrate on the two important cases of a Gaussian potential and a shot noise Poisson potential. Under some mild regularity assumptions, we derive the second-order term of the almost sure asymptotics of u(t, 0) as t→∞.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008754
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  • 3
    Electronic Resource
    Electronic Resource
    Positron spectra from internal pair conversion observed in 238U + 181Ta collisions (2000)
    Springer
    The European physical journal 9 (2000), S. 55-61 
    Details
    ISSN: 1434-601X
    Keywords: PACS. 14.60.Cd Electrons and positrons – 23.20.Ra Internal pair production – 25.70.Bc Elastic and quasielastic scattering – 25.70.De Coulomb excitation – 25.70.Hi Transfer reactions – 29.30.Aj Charged particle spectrometers: electric and magnetic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We present new results from measurements and simulations of positron spectra, originating from 238U + 181Ta collisions at beam energies close to the Coulomb barrier. The measurements were performed using an improved experimental setup at the double-Orange spectrometer of GSI. Particular emphasis is put on the signature of positrons from Internal-Pair-Conversion (IPC) processes in the measured e+-energy spectra, following the de-excitation of electromagnetic transitions in the moving Ta-like nucleus. It is shown by Monte Carlo simulations that, for the chosen current sweeping procedure used in the present experiments, positron emission from discrete IPC transitions can lead to rather narrow line structures in the measured energy spectra. The measured positron spectra do not show evidence for line structures within the statistical accuracy achieved, although expected from the intensities of the observed γ-transitions ( E γ∼ 1250-1600 keV) and theoretical conversion coefficients. This is due to the reduced detection efficiency for IPC positrons, caused by the limited spatial and momentum acceptance of the spectrometer. A comparison with previous results, in which lines have been observed, is presented and the implications are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500070055
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  • 4
    Electronic Resource
    Electronic Resource
    Möglichkeiten der Massenspektrometrie bei der Sequenzanalyse von Peptiden (1968)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 243 (1968), S. 670-685 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die Aussichten einer Sequenzbestimmung werden in digitalen Rechenanlagen für 5–20 Aminosäurebausteine bei Verwendung von Di- bis Pentapeptiden untersucht und die Anzahl der möglichen Sequenzen als Funktion der Kettenlänge ermittelt. Zur Trennung und Identifizierung empfiehlt sich neben der Flüssigkeits-Chromatographie auch die kombinierte gas-chromatographisch-massenspektrometrische Untersuchung der TFA-Peptidester. Das Vorhandensein von Serin und Cystein erfordert eine Sonderbehandlung. Serin- Peptide sind als O-Acetylderivate und Cystein-Peptide als S-Benzylderivate für die Massenspektrometrie mindestens bis zu Pentapeptiden und für die Gas-Chromatographie bis zu Tripeptiden beständig. Auch einige Asparagin und Glutamin enthaltende Derivate sind zum erstenmal massenspektrometrisch untersucht worden.
    Notes: Abstract The possibilities of sequence analyses have been analyzed by computers assuming the presence of 5–20 amino acids using di- to pentapeptides as fragments. For separation and identification of peptide fragments liquid chromatography as well as combined gas chromatography — mass spectrometry of the TFA-peptide esters are recommended. Serine and Cysteine peptides ought to be O-acetylated and S-benzylated. These protected peptide derivatives can be analyzed by mass spectrometry up to pentapeptides and by gas chromatography up to tripeptides. Asparagine and glutamine containing peptide derivates were investigated for the first time by mass spectrometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00530762
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  • 5
    Electronic Resource
    Electronic Resource
    Korrosionswechselfestigkeit von Kupfer und Kupferlegierungen, insbesondere von Mehrstoff-Aluminiumbronzen (1966)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 17 (1966), S. 461-468 
    Details
    ISSN: 0947-5117
    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: Corrosion fatigue strength of copper and copper alloys, especially of multi-component aluminium bronzesThe bending fatigue strength of multicomponent copper-aluminum alloys subjected to different beat treatments has been investigated by means of smooth and notched specimens exposed to air, distilled water or synthetic sea water. The corrosion fatigue strength is lowest in synthetic sea water. The influence of the structure is but small. Distilled water has less effect on the corrosion fatigue strenght. In the case of the tests in air, a correlation between fatigue strenght and strucure was found. With bending fatigue strenght tests in air, notched specimens mit certain from quotients yield, in some cases, higher values than smooth specimens. This abnormal influence of the notch disappear with additional corrosion.
    Notes: Die Biegewechselfestigkeit von verschieden wärmebehandelten Mehrstoff-Kupfer-Aluminium-Legierungen wurde in Luft, in destilliertem Wasser und künstlichem Seewasser mittels glatter und gekerbter Proben bestimmt. Die Korrosionswechselfestigkeit liegt für künstliches Seewasser am niedrigsten. Ein Einfluß des Gefüges ist in nur geringem Maße vorhanden. Weniger stark beeinflußt destilliertes Wasser die Korrosionswechselfestigkeit. Bei den Versuchen in Luft ist eine Abhängigkeit vom Gefüge vorhanden. Gekerbte proben mit bestimmten Formziffern ergeben bei Biegewechselversuchen an Luft teilweise höhere Werte als glatte Proben. Dieser anomale Kerbeinfluß verschwindet bei zusätzlicher Korrosion.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19660170602
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  • 6
    Electronic Resource
    Electronic Resource
    Über β-(1,2,3-Triazolyl-4)-acroleine. II. Darstellung von β-(1-Alkyl-1,2,3-triazolyl-4)-acroleinen durch einfache Pyridinringspaltung (1966)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 33 (1966), S. 54-60 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Durch Quaternierung von 3-Acetylamino-pyridin sind N-Alkyl-3-acetylamino-pyridinium-bromide zugänglich. Die daraus durch saure Verseifung erhaltenen N-Alkyl-3-amino-pyridiniumsalze liefern bei der Diazotierung β-(1-Alkyl-1,2,3-triazolyl-4)-acroleine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19660330105
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  • 7
    Electronic Resource
    Electronic Resource
    Über β-(1,2,3-Triazolyl-4)-acroleine. I. Darstellung von β-(1-Aryl-1,2,3-triazolyl-4)-acroleinen durch doppelte Pyridinringspaltung (1965)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 30 (1965), S. 96-112 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Durch Einwirkung von Bromcyanlösung und primären aromatischen Aminen auf 3-Acetylamino-pyridin entstehen 2-Acetylamino-1, 5-diarylamino-pentamethiniumsalze, die leicht der Wärmespaltung unterliegen und dabei in das eingesetzte Amin und N-Aryl-3-acetylamino-pyridiniumsalze übergehen. Nach saurer Verseifung der Acetylgruppe reagieren letztere mit Nitrit unter den üblichen Diazotierungsbedingungen leicht zu β-(1 - Aryl -1, 2, 3-triazoly-4)-acroleinen. Der Mechanismus der letzten Reaktionsstufe wird dargelegt, und es werden Konstitutionsbeweise für die Endprodukte erbracht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19650300114
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  • 8
    Electronic Resource
    Electronic Resource
    Über β-(1,2,3-Triazolyl-4)-acroleine. III. Carbonyl--Methylen-Kondensationen mit β-(1-Aryl/Alkyl-1,2,3-triazolyl-4)-acroleinen Darstellung von 1,2,3-Triazolo-Polymethinen (1967)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 36 (1967), S. 202-224 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Durch Kondensation von β-(1-Aryl-)- und β-(1-Alkyl-1,2,3-triazolyl-4)-acroleinen mit einer Anzahl von methylenaktiven Verbindungen entstehen Polymethine der 1,2,3-Triazolreihe. Diese teils neutralen, teils kationischen Farbstoffe absorbieren in relativ niedrigen Wellenbereichen des sichtbaren Spektrums. Es wurden wesentlich kleinere “Vinylensprünge” als bei den echten Cyaninfarbstoffen gefunden. Damit offenbaren die hergestellten Polymethine ein polyenartiges Lichtabsorptionsverhalten, hervorgerufen durch den wenig basischen, jedoch ausgesprochen aromatischen Charakter der 1,2,3-Triazolringes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19670360311
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  • 9
    Electronic Resource
    Electronic Resource
    Molekulargewichtsverteilung bei Kunstharzen (1969)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 81 (1969), S. 925-925 
    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.19690812266
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