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  • 1
    Electronic Resource
    Electronic Resource
    Esophageal calcification after corrosive injury (1994)
    Springer
    Abdominal imaging 19 (1994), S. 293-294 
    Details
    ISSN: 1432-0509
    Keywords: Esophagus ; calcification ; Esophagus ; corrosive injury ; Chest radiograph ; Barium swallow ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A clinically silent case of intramural esophageal calcification secondary to corrosive injury is presented. Computed tomography (CT) demonstrated a circular calcified esophageal wall over a distance of 5 cm leaving a residual esophageal lumen of 5 mm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198180
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  • 2
    Electronic Resource
    Electronic Resource
    Radiological features of the visceral and skeletal involvement of hemochromatosis (1997)
    Springer
    European radiology 7 (1997), S. 1199-1206 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Hemochromatosis ; Metacarpophalangeal joints ; MR imaging ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Hemochromatosis is a multisystem disorder produced by the excessive accumulation of iron in visceral organs and the musculoskeletal system. Clinically the disease may be silent, but characteristic radiological features may point to the diagnosis. The increased iron stores in the organs involved, especially in the liver and pancreas, result in an increased attenuation at unenhanced CT and an decreased signal intensity at MR imaging. Hemochromatosis arthropathy includes degenerative osteoarthritis and chondrocalcinosis. The distribution of the arthropathy is distinctive, but not unique, frequently affecting the second and third metacarpophalangeal joints of the hand.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050274
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  • 3
    Electronic Resource
    Electronic Resource
    Measurement of thermophysical properties of lead by a submicrosecond pulse-heating method in the range 2000–5000 K (1990)
    Springer
    International journal of thermophysics 11 (1990), S. 719-729 
    Details
    ISSN: 1572-9567
    Keywords: critical data ; dynamic measurements ; electrical resistivity ; enthalpy ; high pressures ; high temperatures ; lead ; liquid metal ; specific heat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A submicrosecond ohmic pulse-heating technique with heating rates of more than 109K· s−1 allows the determination of such thermophysical properties as heat capacity and the mutual dependences among enthalpy, electrical resistivity, temperature, and volume up to superheated liquid states for lead. Also, an estimation of the critical point data is given from investigations at elevated static pressures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01184340
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  • 4
    Electronic Resource
    Electronic Resource
    Thermophysical properties of liquid iron (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 1323-1331 
    Details
    ISSN: 1572-9567
    Keywords: critical point ; electrical resistivity ; enthalpy ; high pressure ; high temperature ; iron ; liquid metals ; melting ; specific heat ; vapor pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Wire-shaped iron samples are resistively volume heated as part of a fast capacitor discharge apparatus. Measurements of current through the specimen, voltage across the specimen, radiance temperature, and thermal expansion of the specimen as functions of time allow the determination of specific heat and various dependencies among enthalpy, electrical resistivity, temperature, and density for liquid iron up to 5000 K. High pressures. up to 3800 bar, are used to obtain the liquid state far above the normal boiling point. An estimate of critical-point data for iron is given by using experimental data of the vapor pressure of liquid iron.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01458840
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  • 5
    Electronic Resource
    Electronic Resource
    Improved thermophysical measurements on solid and liquid tantalum (1992)
    Springer
    International journal of thermophysics 13 (1992), S. 83-93 
    Details
    ISSN: 1572-9567
    Keywords: electrical resistivity ; enthalpy ; high temperatures ; liquid metal ; pulse method ; specific heat ; tantalum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Wire-shaped tantalum samples are resistively pulse heated as part of a coaxially constructed capacitor discharge circuit. With heating rates of more than 109 K · s−1, temperatures up to about 10,000 K are reached. The tantalum wire is contained, with water as the surrounding medium, in a high-pressure vessel with sapphire windows and a maximum pressure capability of 5 kbar. Time correlated measurements of the current through the wire and the voltage drop across it, as well as surface radiation and wire expansion, were performed to permit the determination of thermophysical properties of the solid and liquid tantalum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503358
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  • 6
    Electronic Resource
    Electronic Resource
    Thermophysical Properties of W–Re Alloys Above the Melting Region (1998)
    Springer
    International journal of thermophysics 19 (1998), S. 969-981 
    Details
    ISSN: 1572-9567
    Keywords: electrical resistivity ; enthalpy ; high temperature ; liquid alloys ; rhenium alloy ; specific heat ; thermal conductivity ; thermal diffusivity ; tungsten alloy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In earlier experiments we have studied pure elements with a fast pulse heating technique to obtain thermophysical properties of the liquid state. We report here results for thermophysical properties such as specific heat and dependences among enthalpy, electrical resistivity, and temperature, for four W–Re alloys (3.95, 21.03, 23.84, and 30.82 at % of Re) in a wide temperature range covering solid and liquid states. Thermal conductivity is calculated using the Wiedemann–Franz law for the liquid alloy, as.well as data for thermal diffusivity for the beginning of the liquid phase. Additionally, data for the entire temperature range studied have been analyzed in comparison with those of the constituent elements, tungsten and rhenium, since both metals have been studied previously with the same experimental technique. Such information is of interest in the field of metallurgy since W–Re alloys of low Re content in the region of mutual component solubility in the solid state are widely used as thermocouple materials for the purposes of high-temperature thermometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022667712300
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  • 7
    Electronic Resource
    Electronic Resource
    Thermophysical measurements on solid and liquid rhenium (1986)
    Springer
    International journal of thermophysics 7 (1986), S. 149-159 
    Details
    ISSN: 1572-9567
    Keywords: electrical resistivity ; enthalpy ; high temperatures ; pulse method ; rhenium ; specific heat ; thermal expansion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A fast resistive heating technique was used to measure such thermophysical data of solid and liquid rhenium as enthalpy, specific heat, thermal volume expansion, and electrical resistivity. The measurements are performed with heating rates of slightly more than 109 K · s −1 up to states of superheated liquid rhenium (7500 K).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503806
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  • 8
    Electronic Resource
    Electronic Resource
    Selective quantification of ambroxol in human plasma by HPLC (1986)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 9 (1986), S. 561-565 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Pharmacokinetics ; Quantification in human plasma ; Bronchosecretolyticum ; Separation from metabolites ; Ambroxol ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The bronchosecretolytic drug ambroxol can be reliably quantified in human plasma by high performance liquid chromatography. Plasma is buffered alkaline, extracted with ether, and the organic solvent back-extracted with diluted acid. An automatically sampled aliquot is separated by reversed phase HPLC; the analyte is well separated from two metabolites that interfered strongly in earlier methods. UV detection at 230 nm enables a lower limit of quantitation of 5 ng/ml. Internal standardization with propranolol allows accurate and precise quantification. Evaluation of the optimized combination of mobile and stationary phase is described, and application of the method to experimental and clinical pharmacokinetic studies is illustrated.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240091004
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  • 9
    Electronic Resource
    Electronic Resource
    Determination of glibenclamide in human serum by HPLC (1986)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 9 (1986), S. 102-105 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Pharmacokinetics ; Quantitation in human serum ; Antidiabeticum ; Glibenclamide ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The antidiabetic drug glibenclamide can be reliably quantitated in human serum with high performance liquid chromatography. The serum is buffered and extracted with toluene. The organic solvent is evaporated, the residue dissolved in the mobile phase and an aliquot sampled automatically and chromatographed. UV-detection at 229 m allows a lower limit of quantitation of 5 ng/ml. Precise handling of exact volumes facilitates external calibration. Statistical data for imprecision and inaccuracy are given and illustrate reliable quantification. Application of the method to experimental and clinical pharmacokinetic studies with specific problems is illustrated.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240090209
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  • 10
    Electronic Resource
    Electronic Resource
    High performance liquid chromatographic determination of metoclopramide in plasma and urine and its application to biopharmaceutical investigations (1987)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 10 (1987), S. 659-664 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Quantification in human plasma and urine ; Pharmacokinetics ; Subanogram sensitivity ; Metoclopramide ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An optimized HPLC method for the quantification of metoclopramide (MCP) in human plasma and urine is described. MCP and internal standard are extracted from alkalinized substrate into diethyl ether and back-extracted into dilute acid. The analytes are separated with a ternary mobile phase at cyanopropyl-silica and detected at 312 nm (UV detection). The lower limit of quantification is 0.5 ng/ml in plasma and 50 ng/ml in urine. Optimization of extraction, chromatography, and detection is discussed. The method is selective to numerous common drug substances with excellent accuracy and precision data. After validation, the method is applied to the samples of a pharmacokinetic study. Pharmacokinetic parameters indicate the need for a sophisticated method as tool for optimization of metoclopramide formulations.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240101208
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