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  • 1
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion N'ignorant pas que le choix des sites d'incision pour la chirurgie laparoscopique peut être influencé par une multitude de facteurs, afin de minimiser le risque de lésions des vaisseaux de la paroi abdominale, nous suggérons de placer les trocarts sur la ligne blanche et dans une zone de 5 cm de large en dehors du bord latéral de la gaine du m. droit
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1279-8517
    Keywords: Inferior epigastric artery ; Endoscopy ; Laparoscopy ; Complication ; Hematoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A knowledge of the parietal structures of the abdominal wall is necessary to minimize risks of operative procedures like laparoscopy. For means to prevent intraoperative bleeding and the occurrence of abdominal wall hematoma, we studied the course of the inferior epigastric arteries and the ascending branch of the deep circumflex iliac artery in 21 human cadavers. The abdominal wall structures were dissected and the distances of the arteries in relation to anatomic structures such as the umbilicus, pubic symphysis, superior ischial spine and lower edge of the rib-cage were measured. Comparison of the morphometric results obtained with the location of 36 trocar incision sites recommended in the common literature yields the information that about half of these incision sites incur the risk of injuring the arteries.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion N'ignorant pas que le choix des sites d'incision pour la chirurgie laparoscopique peut être influencé par une multitude de facteurs, afin de minimiser le risque de lésions des vaisseaux de la paroi abdominale, nous suggérons de placer les trocarts sur la ligne blanche et dans une zone de 5 cm de large en dehors du bord latéral de la gaine du m. droit
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Zusammenfassung Das Enschi-Gebiet in der Provinz Hubei ist geochemisch eine der beiden selenreichen Regionen Chinas. Hier werden die grünen und schwarzen Selen-Tees produziert. Drei Proben eines grünen Tees mit verschieden hohen Se-Gehalten sowie eine selenarme Probe wurden in dieser Arbeit untersucht. Die Mineralstoffe und Spurenelemente K, Ca, Mg, Na, P, S, Al, Mn, Fe, Ba, Sr, Co, Ni, Cu, Zn, Mo und Cr wurden mittels Atomemissionsspektrometrie mit induktiv gekoppelter Plasmaanregung (ICP-AES) bestimmt. Außer Mo, Co und Cr wurden alle oben genannten Elemente in den Aufgüssen der untersuchten Selen-Tees ebenfalls mit der ICP-AES gemessen. Die Se-Gehalte in den Teeproben sowie in den Aufgüssen wurden mit Graphitrohr-Atomabsorptionsspektrometrie (GFAAS) bestimmt. Zur Kontrolle der Richtigkeit der Se-Messung wurden die Se-Gehalte in unaufgeschlossenen Teeproben zusätzlich mit instrumenteller Neutronenaktivierungsanalyse (INAA) bestimmt. Es wurden Se-Gehalte im Bereich von 1 bis 8,5 μg/g Trockengewicht gemessen. Außer Se wurden insgesamt 17 Elemente im Tee und 14 in dessen Aufguß quantitativ bestimmt. Daraus wurde der Auslaugungsgrad für die einzelnen Elemente berechnet. Bis zu 10% des Se konnten in einem ersten Aufguß ausgelaugt werden.
    Notes: Abstract The Enschi district in Hubei province, Peoples Republic of China is geochemically one of the two seleniferous regions, producing both selenium (Se) black tea and the Se green tea. Three samples of green tea with different Se contents and one non-Se tea were analysed. The following mineral and trace elements were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES): K, Ca, Mg, Na, P, S, Al, Mn, Fe, Ba, Sr, Co, Ni, Cu, Zn, Mo, and Cr. Except for Mo, Co, and Cr, all other elements in infusions of the samples analysed were also measured, since their concentrations are lying over their detection limits. The Se content in the tea samples and in the infusions were measured with graphite furnace atomic absorption spectrometry (GFAAS). The accuracy of Se determination was tested by measuring untreated tea samples with instrumental neutron activation analysis (INAA). The Se content in the measured samples was 1 to 8.5 μg/g. In addition to Se, 17 other elements were measured in the tea samples and 14 others in the infusions. With this data the extractible part of this elements in the infusion were calculated. Up to 10% of the Se was found in a first infusion.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' journal of analytical chemistry 358 (1997), S. 800-803 
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract  The element contents of Ag, Al, As, Be, Bi, Cd, Co, Cr, Fe, Mg, Mn, Ni, P, Pb, S, Sb, Se, Sn, Te, Ti, Zn and Zr in a pure copper (99.5%) sample (CRM BAM-376) for use in spark emission and X-ray fluorescence spectrometry were certified and the certified values are given. For Si, the certification has not yet been completed, the content of this element will be certified later. The sample was produced and certified in collaboration with the Committee of Chemists of the GDMB Gesellschaft für Bergbau, Metallurgie, Rohstoff- und Umwelttechnik. Data of the homogeneity testing and the certification campaign with 14 participating laboratories using different analytical methods are reported.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1433-0385
    Keywords: Key words: Minimally invasive surgery ; Solo surgery ; Clinical anatomy ; Training. ; Schlüsselwörter: Minimal-invasive Chirurgie ; „Solo surgery“ ; klinische Anatomie ; Training.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung. Die expansive Entwicklung minimal-invasiver Operationstechniken bedingt weltweit eine erheblich gesteigerte Nachfrage der operativen Fächer nach Lern-, Lehr- und Forschungsmöglichkeiten an den Körpern verstorbener Menschen in den anatomischen Universitätsinstituten. Die deutschen anatomischen Institute können dieser Nachfrage derzeit nur unzureichend genügen, da die räumliche und technische Infrastruktur für die Bearbeitung derartiger Fragestellungen zwar teilweise noch vorhanden ist, durch die sich wandelnden Forschungsschwerpunkte und die Forderung nach Erfüllung von Lehraufgaben ausschließlich in der Studentenausbildung aber keine freien Personal- und Finanzressourcen für die Lösung von Anwenderproblemen verfügbar sind. Um Planungsgrundlagen für den Aufwand zukünftiger klinisch-anatomischer Arbeiten für Qualitätssicherung, Aus-, Fort- und Weiterbildung bei modernen Interventionen zu schaffen, skizziert der Artikel aus eigener praktischer Erfahrung („ANAtoMIC“) abgeleitete wesentliche Voraussetzungen für derartige Projekte.
    Notes: Summary. The expansion of minimally invasive surgery worldwide provokes an intensive interest of all surgical disciplines in gaining possibilities for research, learning and teaching by operating on human corpses. Despite the fact that German anatomical institutes in general have the infrastructure to realise such clinical cooperations, at present they may offer such opportunities only to a restricted degree, since the concentration on student teaching and anatomic research limits the capacity of the staff for a commitment in this field of applied science. To provide a basis for future estimations of the efforts necessary to perform solo surgery on the human cadaver, especially with emphasis on research, quality control and teaching, this article reports on practical experiences with such a project named “ANAtoMIC”, identifying minimal conditions which have to be realised.
    Type of Medium: Electronic Resource
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  • 7
    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
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The German standard method for the determination of chloride in water, waste water and sludge, laid down in the norm DIN 38405-D 1–2, is based on the titration with AgNO3 and potentiometric detection for the range 7–140 mg/l chloride. In order to investigate the equivalence of a more rapid method, flow injection analysis with different detection methods (photometric, potentiometric and by atomic absorption) is applied. Thirty samples of water of different types (waste, tap, surface and mineral water) are analysed and the results are examined by a statistical test, which, according to the norm DIN 38402, part 71, is based on orthogonal regression. The test shows that the results obtained with the FIA-methods are equivalent to those from the German standard method. The three flow injection systems mentioned have a 10–36-fold higher sample frequency and a lower (down to 1/1000) sample and reagent consumption. Therefore, these FIA-methods are superior to the actual German standard method.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract In human milk trace elements normally exist in a form which can easily be absorbed by the newborn infant. For investigations of the bioavailability of trace elements it is necessary to carry out a speciation analysis of the elements of interest. An independent analytical method has been used for the quality control of the shape of the element profiles obtained from the speciation analysis of Se, Fe and Zn in individual samples of human milk whey after chromatographic separation. For the element detection in the untreated milk fractions Instrumental Neutron Activation Analysis (INAA) was chosen as the reference method. Element distribution patterns have been obtained with Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) using on-line digestion of the fraction, reduction and hydride formation of Se (“T”-mode). Prior results are compared with those obtained by means of element detection in the untreated fractions (“U”-mode) with ICP-AES. The elution profiles of Se, Fe and Zn in human milk whey obtained by means of ICP-AES detection using the “T”-mode show good agreement with the distribution patterns obtained with INAA. Recoveries of 103% for Fe, 86% for Zn and 87% for Se were obtained. The element distribution patterns of Fe and Zn obtained with ICP-AES speciation using the “T”-mode also show good agreement with those obtained by means of ICP-AES using the “U”-mode.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract In human milk trace elements normally exist in a form which can easily be absorbed by the newborn infant. For investigations of the bioavailability of trace elements it is necessary to carry out a speciation analysis of the elements of interest. An independent analytical method has been used for the quality control of the shape of the element profiles obtained from the speciation analysis of Se, Fe and Zn in individual samples to human milk whey after chromatographic separation. For the element detection in the untreated milk fractions Instrumental Neutron Activation Analysis (INAA) was chosen as the reference method. Element distribution patterns have been obtained with Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) using on-line digestion of the fraction, reduction and hydride formation of Se (“T”-mode). Prior results are compared with those obtained by means of element detection in the untreated fractions (“U”-mode) with ICP-AES. The elution profiles of Se, Fe and Zn in human milk whey obtained by means of ICP-AES detection using the “T”-mode show good agreement with the distribution patterns obtained with INAA. Recoveries of 103% for Fe, 86% for Zn and 87% for Se were obtained. The element distribution patterns of Fe and Zn obtained with ICP-AES speciation using the “T”-mode also show good agreement with those obtained by means of ICP-AES using the “U”-mode.
    Type of Medium: Electronic Resource
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