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  • 1
    Electronic Resource
    Electronic Resource
    Multichannel heterodyne detection for accurate mass selected ion monitoring in Fourier transform mass spectrometry: implementation and comparison with undersampling (1989)
    s.l. : American Chemical Society
    Analytical chemistry 61 (1989), S. 749-754 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac00182a022
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  • 2
    Electronic Resource
    Electronic Resource
    X-ray diffraction pole figure evidence for (111) sidewall texture of electroplated Cu in submicron damascene trenches (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 74 (1999), S. 682-684 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The crystallographic texture of electroplated Cu in damascene trenches has been examined by x-ray diffraction pole figure analysis. The influence of two post-plating treatments on the resulting orientation of (111) planes of the Cu inside the trenches are compared. When the as-deposited small-grained Cu is allowed to recrystallize at room temperature before chemical mechanical polishing of the overlying Cu, we observe only a (111) fiber texture of the Cu inside the trenches. In contrast, when the overlying material is polished away before recrystallization of the small-grained Cu, pole figures show evidence of sidewall texture of the (111) planes in addition to the (111) fiber texture in the as-deposited as well as the annealed state. The presence or absence of a sidewall texture component in the pole figures offers insight into the evolution of the microstructure of damascene Cu. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.122986
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  • 3
    Electronic Resource
    Electronic Resource
    Ion-beam direct-write mechanisms in palladium acetate films (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 66 (1989), S. 1403-1410 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Pd features have been fabricated by high-energy ion irradiation (2-MeV He+, 2-MeV Ne+, and 20-keV Ga+ ions) of thin palladium acetate films. 2-MeV He+ irradiation produces smooth metallic-looking features that contain up to 30% of the original carbon and 5% of the original oxygen content of the film. Films irradiated with 2-MeV Ne+ ions contain slightly lower amounts of carbon and oxygen residues, but the films' appearance varied with thickness. Exposures made with a 20-keV Ga+ ion beam, focused to a 0.2-μm spot, produce features with carbon and oxygen contents higher than those found with He+ and Ne+ exposures. Heating the ion-beam-defined palladium features in a hydrogen ambient reduces the carbon and oxygen contents and improves the electrical conductivity. Decomposition mechanisms and comparisons with laser direct writing are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.344444
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Some electrochemical features of thein vivo corrosion of dental amalgams (1989)
    Springer
    Journal of applied electrochemistry 19 (1989), S. 301-310 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The corrosion potentials of freshly implanted Dispersalloy and Amalcap dental amalgams were measuredin vivo. Impedance and current measurement methods at controlled potential were used to examine the corrosion of electrodes made from dental amalgams and the binary alloys Hg−Sn and Cu−Sn in a Ringer's solution in the absence of dissolved oxygen. Thesein vitro measurements were used to make some deductions about the nature of the corrosion reactions on the amalgams and to make an estimate of thein vivo electrochemical corrosion rates. It is deduced that the amalgamsin vivo are protected from electrochemical mercury dissolution by the dissolution of the other metals, such as zinc, tin and copper. It is suggested that the mechanisms of mercury loss in dental amalgams are by evaporation, by a coupling with the electrochemical dissolution of zinc, if present, and tin and copper and by mechanical wear mainly through an electrochemical mechanism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01015227
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  • 5
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1989)
    Springer
    Journal of molecular medicine 67 (1989), S. 1013-1014 
    Details
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01716067
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  • 6
    Electronic Resource
    Electronic Resource
    Metabolism of D-ribose administered continuously to healthy persons and to patients with myoadenylate deaminase deficiency (1989)
    Springer
    Journal of molecular medicine 67 (1989), S. 1205-1213 
    Details
    ISSN: 1432-1440
    Keywords: (D-)ribose ; Metabolism ; Myoadenylate ; (adenylate-, AMP-)deaminase deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary D-ribose was administered orally or intravenously over at least 5 h to eight healthy volunteers and five patients with myoadenylate deaminase deficiency. Intravenous administration rates were 83, 167, and 222 mg/kg/h, which were well tolerated but oral administration of more than 200 mg/kg/h caused diarrhea. The average steady state serum ribose level ranged between 4.8 mg/100 ml (83 mg/kg/h, oral administration) and 81.7 mg/100 ml (222 mg/kg/h, intravenous administration). Serum glucose level decreased during ribose administration. The intestinal absorption rate of orally administered ribose was 87.8%–99.8% of the intake at doses up to 200 mg/kg/h without first pass effect. Urinary losses were 23% of the intravenously administered dose at 222 mg/kg/h. Ribose appeared to be excreted by glomerular filtration without active reabsorption; a renal threshold could not be demonstrated. The amount of ribose transported back from the tubular lumen depended on the serum ribose level. There was no difference in ribose turnover in healthy subjects and patients with MAD deficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01716208
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  • 7
    Electronic Resource
    Electronic Resource
    Laser-induced molecular beam epitaxy of group-III nitrides (1999)
    Springer
    Applied physics 69 (1999), S. S799 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 68.55; 77.84.B; 79.20.D; 81.15.F
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. nitrides by laser-induced molecular beam epitaxy (LIMBE). The requirements for the formation of high-quality, monocrystalline layers are much stronger than those for polycrystalline films. We have modified and improved the conventional pulsed laser deposition. In our process, we use metallic targets in a nitrogen environment instead of ceramic or pressed powder nitrides and we employ picosecond laser pulses with high energy (〉1 mJ) and high repetition rate (2 kHz). We have grown GaN, AlN, InN, InGaN and Mg-doped GaN on sapphire (0001).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390051533
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  • 8
    Electronic Resource
    Electronic Resource
    Spinales Kompressionssyndrom (1999)
    Springer
    Der Onkologe 5 (1999), S. 1054-1061 
    Details
    ISSN: 1433-0415
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Die Kompression des Rückenmarkes oder der Cauda equina ist eine gefürchtete Komplikation bei Krebspatienten. Sie läßt sich autoptisch bei etwa 5% aller Tumorpatienten nachweisen und ist aufgrund ihrer klinischen Problematik wie Parese der unteren Extremitäten oder Verlust der Blasen- und Mastdarmkontrolle ein akut zu behandelnder onkologischer Notfall.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007610050474
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  • 9
    Electronic Resource
    Electronic Resource
    The human homologues of Fim1, Fim2/c-Fms, and Fim3, three retroviral integration regions involved in mouse myeloblastic leukemias, are respectively located on chromosomes 6p23, 5q33, and 3q27 (1989)
    Springer
    Human genetics 〈Berlin〉 81 (1989), S. 257-263 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Three mouse genomic domains, Fim1, Fim2, and Fim3, were previously described as proviral integration regions frequently involved in the early stages of myeloblastic leukemogenesis induced in vivo or in vitro by the Friend murine leukemia virus. Fim2 was identified as the 5′ end of the c-Fms, protooncogene, which encodes the receptor of the macrophage colony stimulating factor (Csflr). The functions of Fim1 and Fim3 are not yet known, but these regions are highly conserved among different species. To examine whether these regions could correspond to known human loci involved in genetic alterations specific to some human leukemias, we undertook their chromosomal mapping. The localization of FIM2/c-FMS on 5q33 was confirmed. FIM1 and FIM3 were localized on human chromosomes 6p22.3–p23 and 3q27 respectively. Interestingly, translocations involving these two regions have been described in various hematopoietic malignancies: the t(6;9)(p23;q34) in acute nonlymphocytic leukemias and the 3q26–q28 translocations in a large variety of leukemias.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00279000
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  • 10
    Electronic Resource
    Electronic Resource
    In situ and Real-Time Monitoring of Plasma-Induced Etching of PET and Acrylic Films (1999)
    Springer
    Plasmas and polymers 4 (1999), S. 247-258 
    Details
    ISSN: 1572-8978
    Keywords: Plasma ; polymer etching ; in situ detection ; PET and acrylic coating
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Notes: Abstract Residual gas analysis (RGA) and optical emission spectroscopy have been evaluated as potential in situ techniques for the detection of plasma-induced polymer surface etching. The detection is based on the measurement of CO and CO2 species formed in the gas phase following oxidation of the etching fragments released from the polymer surface. Experiments were performed on poly(ethylene terephthalate) and UV-cured acrylic (tripropylene glycol diacrylate) films exposed to O2 RF (13.56 MHz) plasmas. A linear correlation is obtained between the formation of CO and the polymer etching rate over the entire experimental range, but discrepancies appear for the formation of CO2 at high treatment powers (etching rate 〉 1.0 μg/min.cm2). This behavior is attributed to a deficit of oxidizing agents relative to the generation of etching fragments. The results suggest that both RGA and optical emission spectroscopy can be used to monitor in situ and in real-time the etching of polymer surfaces during plasma treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1021875310148
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