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  • Analytical Chemistry and Spectroscopy  (7)
  • Amino acid sequence  (2)
  • Angioplasty  (2)
  • cDNA cloning  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    FEBS Letters 260 (1990), S. 145-148 
    ISSN: 0014-5793
    Keywords: Amino acid sequence ; Amphibian skin ; Nucleotide sequence ; Secretory gland ; cDNA cloning
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    FEBS Letters 249 (1989), S. 293-296 
    ISSN: 0014-5793
    Keywords: (Amphibian skin, Secretory gland) ; Amino acid sequence ; Nucleotide sequence ; cDNA cloning
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Lebertransplantation ; Postoperative Komplikationen ; Interventionelle Radiologie ; Angioplastie ; Stents ; Drainage ; Key words Liver transplantation ; Vascular and biliary complications ; Angioplasty ; Stents ; Drainage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Purpose: Postoperative complications contribute significantly to the morbidity and mortality of liver transplant patients. The management of these complications requires a multidisciplinary approach in which interventional radiology plays an integral role. Indications, techniques, and results of radiological interventions in the management of the liver transplant patient are presented. Material and methods: During a 10-year period, 52 out of 420 liver transplant recipients underwent radiological interventions, including angioplasty (n = 20), embolization (n = 2), percutaneous drainage (n = 11), and biliary interventions (n = 19). Results: Nine out of ten arterial stenoses located at the anastomoses (n = 8), within the liver (n = 1) and in the coeliac trunk (n = 1) were successfully treated by balloon dilatation. Angioplasty of supra- or infrahepatic anastomotic stenoses of the IVC (n = 5) provided long-term success only in combination with stent implantation. Portal vein stenoses and chronic thrombosis were treated by balloon dilatation and stent insertion via transhepatic catheterization of the portal vein. Late strictures of bile-duct anastomoses can be managed by ante- or retrograde interventions. If biliary complications are related to inflammatory or septic problems, the prognosis of graft survival is poor. Conclusion: Interventional radiological procedures are very useful in the management of vascular and biliary complications after liver transplantation. These techniques provide a cure in many situations, and thus, surgical interventions may be avoided in selected cases.
    Notes: Zusammenfassung Die komplexe chirurgisch-technische Operation sowie immunologische und ischämieverursachte Probleme tragen zur relativ hohen Komplikationsrate nach Lebertransplantation bei, die grundsätzlich organ- bzw. lebensbedrohlich für den Patienten sind. Interventionelle radiologische Techniken sind aufgrund ihres minimal-invasiven Charakters in der klinischen Versorgung dieser Komplikationen akzeptiert. Über 10 % der lebertransplantierten Patienten im Klinikum Großhadern sind im Verlauf mit vaskulären (n = 22) oder biliären (n = 19) postoperativen Komplikationen einer interventionellen radiologischen Behandlung zugeführt worden. Wichtigste Verfahren sind die Angioplastie (n = 20), die Katheterembolisation (n = 2), die perkutanen Drainageverfahren (n = 11) und Gallengangsinterventionen (n = 19). 20 von 22 vaskulären Interventionen wurden technisch erfolgreich durchgeführt. Für die Langzeitprognose des Organs bzw. der Patienten ist die aktuelle Organfunktion zum Zeitpunkt der Intervention entscheidend; dies entspricht weitgehend den Ergebnissen nach operativen Revisionen. Bei biliär-septischen Komplikationen ist die Organprognose als deutlich eingeschränkt anzusehen. Interventionelle Eingriffe bei Problemen der biliären Anastomosen sind als erster Therapieschritt akzeptiert und können auch in der Langzeitbeobachtung eine zufriedenstellende Problemlösung durch Ballondilatation und Prothesenimplantation gewährleisten. Interventionelle radiologische Techniken spielen in differentialtherapeutischen Überlegungen zur Behandlung postoperativer Komplikationen eine wichtige Rolle. Bei entsprechender Patientenselektion sind sie als erster Therapieschritt einzusetzen.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Lungentransplantation ; Anastomosenkomplikation ; Angioplastie ; Bronchialstent ; Key words Lung transplantation ; Anastomotic complications ; Angioplasty ; Bronchial stenting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Purpose: Bronchial and arterial anastomotic stenoses are major complications after lung transplantation. Interventional techniques provide a definitive cure in certain cases. Material and methods: Three out of four patients had ischemia-related stenoses of the bronchial anastomoses postoperatively; one patient developed malacia of the bronchus main stem 1 year after transplantation. Four patients had stenoses of the arterial anastomoses, which resulted in hemodynamic instability and reduced perfusion of the graft. Results: Stent implantation in the bronchial anastomoses (n = 3) and in the main stem (n = 1) improved ventilation and oxygen saturation in all patients. The stents were incorporated by mucosal overgrowth, as demonstrated by endoscopy, as early as 6 weeks after implantation. Balloon dilatation (n = 3) and stent implantation (n = 1) were successfully performed in 4 patients with stenoses of the arterial anastomoses. The mean transstenotic pressure gradient of 9.5 mm Hg was reduced to 2.2 mm Hg after angioplasty. Lung perfusion shifted towards the grafts, as shown by 99mTc perfusion scans. Conclusion: The minimally invasive techniques of interventional radiology are very effective in the treatment of anastomotic complications after lung transplantation and may avoid surgery in certain cases.
    Notes: Zusammenfassung Komplikationen nach Lungentransplantation betreffen in erster Linie die Bronchusanastomose und die Pulmonalarterienanastomose. Sie sind ischämieinduziert oder auf chirurgisch-technische Probleme zurückzuführen. Bei 8 von 66 transplantierten Patienten traten postoperative Stenosen an der arteriellen Anastomose (n = 4) und an der Bronchusanastomose (n = 4) auf, die jeweils zu einem organ- bzw. lebensbedrohlichen Zustand der Patienten geführt hatten. Die interventionelle Behandlung war bei allen Patienten erfolgreich; 4 Patienten wurden bei Anastomosenstenose bzw. Malazie der Bronchusanastomose mit Metallstent versorgt, 4 Patienten mit Stenosierung an der Pulmonalarterienanastomose wurden einer Ballondilatation bzw. zusätzlicher Stentimplantation zugeführt. Die Indikation zur Behandlung und die Überprüfung des Dilatationsergebnisses wurde anhand der Stenosegradienten ermittelt, zur ausreichenden Erweiterung war eine Ballonkaliberstärke von 15 bis 20 mm erforderlich. Indikation zur Stentimplantation war eine elastische Instabilität bei einem Patienten. Der minimal-invasive Eingriff bei schwerkranken Patienten, die effiziente und komplikationslose Therapie und der erfolgreiche Langzeitverlauf sprechen dafür, bei Anastomosenproblemen nach Lungentransplantation interventionelle radiologische Verfahren primär einzusetzen.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    X-Ray Spectrometry 15 (1986), S. 241-243 
    ISSN: 0049-8246
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: A simple model of the x-ray Kα emission spectrum of copper metal has been proved to fit the experimental distribution curve of diffracted intensity fairly well, after correcting for profile distortion due to the spectrometer geometry and the diffraction process. Each Kα line can be described by a doublet of overlapping dispersion curves of different height and width. Although the physical relevance of the model is not clear at present, the simple analytical expression of the spectrum may be useful for some problems in x-ray diffractometry.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 21 (1990), S. 77-83 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The application of a multiple-pass gas cell to quasi-cw stimulated Raman scattering is demonstrated to be a powerful method for significantly increasing the sensitivity. As a consequence, such a device offers the possibility of working in the 0.1-1 Torr pressure range for weak bands. As a striking example, experimental results are given for the 2ν2 band of CO2 at 1285 cm-1. The band is almost completely resolved with a very good signal-to-noise ratio. The Raman frequencies and the collisional broadening coefficients are determined as a function of quantum number J. Moreover, the possibility of auto-stimulated Raman effect on CO2 at moderate pressure via the sharp ν1 band (1388 cm-1) is demonstrated. The first Stokes signal has been measured with a very narrow line width.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 21 (1990), S. 803-808 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Self-broadened widths of 28SiH4 in the ν1 Q-branch have been measured at room temperature (295 K) using high-resolution stimulated Raman Spectroscopy. These collisional widths have been obtained by fitting a super-position of Voigt profiles to the experimental spectra in the pressure range 28-154 Torr. No evidence for line mixing within the tetrahedral components of a Q(J) line has been found. The line broadening coefficients for J up to 13 depend weakly on the rotational quantum number. The mean value is 103.7 × 10-3 cm-1 atm-1.
    Additional Material: 6 Ill.
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  • 8
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 21 (1990), S. 809-812 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Nitrogen spectra of the Q-branch of the fundamental and the first hot bands were recorde with a high-resolution stimulated Raman spectrometer at atmospheric pressure and ca. 1300 K. The absolute frequencies of the Raman lines were measured with high accuracy, leading to a refinement of spectroscopic constants. A temperature estimation was also performed from the Raman intensities.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 21 (1990), S. 781-789 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The resolution in the Raman spectra of gases has been greatly improved by the development of the different methods of non-linear Raman scattering. When two laser beams, one of which has a tunable frequency, are focused in a sample, a stimulated Raman process occurs as soon as the frequency difference between the two lasers is equal to a Raman-active rovibrational or rotational transition frequency. The Raman resonance can be detected in different ways: by coherent anti-Stokes Raman scattering (CARS) or the corresponding Stokes process (CSRS), by a gain in one of the beams (stimulated Raman gain spectroscopy, SRGS) or a loss in the other (inverse Raman spectroscopy, IRS), or even by detection of a photoacoustic signal (photoacoustic Raman spectroscopy, PARS). The selective ionization of the excited molecules by a third ultraviolet laser (ionization-detected stimulated Raman scattering, IDSRS) has considerably increased the sensitivity in special cases.The instrumental resolution is determined by the convoluted line widths of the lasers used for excitation. The narrowest line widths can be achieved with stabilized continuous-wave lasers. Their relatively low power has been compensated for either by intracavity excitation of CARS spectra or by injection locking of dye laser amplifiers which are pumped by pulsed lasers or by flashlamps. Examples of investigations of the structure of rovibrational bands and of line-width measurements as a function of pressure are reviewed.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 13 (1982), S. 257-261 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The ν1 band of natural germane (GeH4) has been recorded using a continuous wave stimulated Raman experiment which we describe in this paper. The resolution is about 0.005 cm-1 at 10 Torr pressure. In the first stage of the analysis, the Raman lines were identified thanks to the recent study of the ν1 and ν3 bands made by Lepage, Champion and Robiette. In the second stage, the stimulated Raman data were combined with the infrared data to refine the excited state constants of the isotopic species 70GeH4, 72GeH4 and 74GeH4.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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