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  • 2000-2004  (19)
  • 1905-1909
  • 2001  (19)
  • 11
    Electronic Resource
    Electronic Resource
    Characteristics of monoclonal antibodies against Piscirickettsia salmonis (2001)
    Oxford UK : Blackwell Science Ltd
    Journal of fish diseases 24 (2001), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: A panel of 28 monoclonal antibodies against Piscirickettsia salmonis was produced using a purified fraction of the bacterium. To determine their specificity to the pathogen, the antibodies were assayed by ELISA and indirect immunofluorescence microscopy. Six monoclonal antibodies were selected based on their strong reaction against P. salmonis and absence of cross-reactivity with other common fish pathogens. Western blot analysis showed that the antibodies reacted to several antigens of P. salmonis. Immunofluorescence assays revealed that these antibodies reacted with the same specificity to different isolates of P. salmonis obtained from the south of Chile. This panel of monoclonal antibodies represents an important tool to develop simple, rapid, sensitive and highly specific methods for the detection of the pathogen and diagnosis of the disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2761.2001.00285.x
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  • 12
    Electronic Resource
    Electronic Resource
    Behavior of Paramagnetic Iron during the Thermal Transformations of Kaolinite (2001)
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 84 (2001), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Kaolinites with various degrees of structural order and iron content were heated and subsequently analyzed via electron paramagnetic resonance. Iron was present in two different states in the heated materials, either as dilute structural Fe3+ ions or in concentrated Fe3+ phases. During metakaolinization, the environment of dilute Fe3+ ions changed, following modifications of the Al3+ coordination, and the Fe3+ concentration increased. With the breakdown of metakaolinite, the diffusion of Fe3+ ions induced their exsolution in superparamagnetic iron-rich domains (Fe3+ clusters in γ-Al2O3 and/or Fe3+ oxide nanophases), which produced a decrease in the dilute Fe3+ concentration. The subsequent breakdown of γ-Al2O3 and the formation of mullite made the dilute Fe3+ concentration increase again, because of the incorporation of Fe3+ ions in the mullite structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1151-2916.2001.tb00784.x
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  • 13
    Electronic Resource
    Electronic Resource
    Role of Structural Fe(III) and Iron Oxide Nanophases in Mullite Coloration (2001)
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 84 (2001), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Six mullite samples, derived from heat-treated natural kaolinites with various iron content, were investigated and compared to synthetic monophasic mullite. They were analyzed by X-ray diffraction, diffuse reflectance spectroscopy, and electron paramagnetic resonance. To quantify mullite coloration, the CIE colorimetric system was used. In contrast to synthetic mullite, samples showed charge transfer bands involving O2− and Fe3+ ions as well as ferric crystal-field transitions due to Fe3+ ions in iron oxide nanoparticles. Absorption edges showed red shifts. The resulting yellowness, saturation of which increased with the content of iron oxide nanoparticles, is direct evidence for the coloring effect of Fe3+ ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1151-2916.2001.tb00887.x
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  • 14
    Electronic Resource
    Electronic Resource
    Renal tubular injury is present in acute inflammatory bowel disease prior to the introduction of drug therapy (2001)
    Oxford UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 15 (2001), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: : 5-aminosalicylic acid (5-ASA) has been associated with renal complications in inflammatory bowel disease. Renal function is typically monitored using serum creatinine; however, significant disease may predate increases in creatinine.〈section xml:id="abs1-2"〉〈title type="main"〉Aims: To identify whether markers of early renal disease (urinary albumin, α-1-microglobulin [α-1-M] and N-acetyl-β-D-glucosaminidase [NAG], and serum cystatin C) are useful in the assessment of renal function in inflammatory bowel disease patients receiving 5-ASA.〈section xml:id="abs1-3"〉〈title type="main"〉Methods: Twenty-one patients with a new diagnosis of inflammatory bowel disease were investigated. Samples were taken at diagnosis, and at 3-monthly intervals after the commencement of 5-ASA, for 1 year.〈section xml:id="abs1-4"〉〈title type="main"〉Results: Mean creatinine clearance was 100 mL/min and did not change following treatment. Inflammatory bowel disease was not associated with albuminuria. Urinary N-acetyl-β-D-glucosaminidase and α-1-microglobulin at diagnosis were increased in 10 (48%) and 11 (52%) patients, respectively: treatment was not associated with consistent changes in urinary protein excretion. There was a significant correlation between cystatin C and creatinine clearance both at diagnosis (r=–0.533, P=0.0275) and combining the initial and follow-up data (r=–0.601, P 〈 0.01), but not between creatinine and creatinine clearance (P 〉 0.05).〈section xml:id="abs1-5"〉〈title type="main"〉Conclusions: Tubular proteinuria is an extra-intestinal manifestation of inflammatory bowel disease irrespective of 5-ASA treatment. Tubular proteins are not useful predictors of an adverse renal response to 5-ASA. Serum cystatin C may be an improved marker of glomerular filtration rate in this setting.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2036.2001.01041.x
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  • 15
    Electronic Resource
    Electronic Resource
    cis-Dichlorobis(triethylarsine)platinum(II) and cis-dichlorobis(triethylphosphine)platinum(II) (2001)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. 1405-1407 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The crystal structure of cis-[PtCl2(C6H15As)2], (I), is isostructural with a previously reported structure of cis-[PtCl2(C6H15P)2], (II). A new polymorph of (II) is also reported here. Selected geometrical parameters in the arsine complex are Pt—Cl 2.3412 (12) and 2.3498 (13), Pt—As 2.3563 (6) and 2.3630 (6) Å, Cl—Pt—Cl 88.74 (5), As—Pt—As 97.85 (2), and Cl—Pt—As 171.37 (4) and 177.45 (4)°. Corresponding parameters in the phosphine complex are Pt—Cl 2.364 (2) and 2.374 (2), Pt—P 2.264 (2) and 2.262 (2) Å, Cl—Pt—Cl 85.66 (9), P—Pt—P 98.39 (7), and Cl—Pt—P 170.26 (7) and 176.82 (8)°.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270101016043
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  • 16
    Electronic Resource
    Electronic Resource
    Agonist-independent activation of metabotropic glutamate receptors by the intracellular protein Homer (2001)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 411 (2001), S. 962-965 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] G-protein-coupled receptors (GPCRs) transduce signals from extracellular transmitters to the inside of the cell by activating G proteins. Mutation and overexpression of these receptors have revealed that they can reach their active state even in the absence of agonist, as a result of a natural ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35082096
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  • 17
    Electronic Resource
    Electronic Resource
    Using the AHP to determine the correlation of product issues to profit (2001)
    Bradford : Emerald
    European journal of marketing 35 (2001), S. 843-858 
    Details
    ISSN: 0309-0566
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Discusses a new application of the AHP to a problem where the alternatives are not independent. It is used as an integral part of a method to evaluate the likelihood of successful outcomes from current or proposed product development processes. The AHP is used to determine correlation factors to estimate the impact on profit of the various product issues that must be addressed by a company during the product development process. Owing to interactions between the "alternatives", finds, as expected, that the AHP cannot be used directly to determine these correlation factors. A procedure to overcome this has been developed, whereby the correlation factors are determined first by assuming independence between alternatives, and then modifying the factors to take account of any interactions. Test results are promising, and further refinements to improve the method are suggested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03090560110396269
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  • 18
    Electronic Resource
    Electronic Resource
    Perinatal Depression: A Randomized Controlled Trial of an Antenatal Education Intervention for Primiparas (2001)
    Oxford, UK : Blackwell Science Inc
    Birth 28 (2001), S. 0 
    Details
    ISSN: 1523-536X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: Depression can be an unexpected and distressing companion for a woman during the major life transition of becoming a mother for the first time. Researchers now demonstrate that approximately 50 percent of women will experience perinatal distress. Therefore, the etiology and management of perinatal depression is essential for a quality care of childbearing women. The objectives of this study were to develop an education intervention tailored to the information needs of primiparous women about perinatal depression, to deliver this intervention antenatally, and to conduct a randomized controlled trial to determine the effect of the antenatal education intervention in the reduction of postnatal depression. Method: A prospective, randomized controlled trial of the education intervention (n= 206) was conducted at three sites in Australia. The outcome of changes in mood state was measured by the Profile of Mood States questionnaire once antenatally (12–28 wk), and twice postnatally (8–12 and 16–24 wk); social support and demographic data were also collected. The education package was administered to the intervention group at the antenatal assessment of mood.Results:A significant and steady reduction in scores (overall and on the subscales) was observed over time for both groups that showed significant improvement in symptoms of depression. No difference was detected when comparing the intervention group with the control group. Additional multivariate regression analyses revealed no relevant influence of social support or demographic variables.Conclusions:Women in both the study and control groups were more depressed antenatally than postnatally. The finding that the education intervention made no difference challenges the two strongly held tenets of health education in childbearing women—that depression can be reduced through education and that antenatal education interventions can endure into the postnatal period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1523-536x.2001.00028.x
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  • 19
    Electronic Resource
    Electronic Resource
    The dynamics of a THz Rydberg wavepacket (2001)
    Springer
    The European physical journal 14 (2001), S. 157-165 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 32.80.Rm Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states) – 03.65.Ge Solutions of wave equations: bound states
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: An optically excited Rydberg wavepacket can be generated by exciting the electron from a low-lying state to a coherent superposition of high-lying states with a short broadband optical pulse. A special kind of Rydberg wavepacket is generated in the case of a interaction of a weak THz half cycle pulse with a stationary Rydberg state, called the THz wavepacket. This THz wavepacket is a coherent superposition of the initial Rydberg state and its neighbouring states. We have investigated the time evolution of THz wavepackets by measuring the impact of two in time delayed half cycle pulses ( ≈ 200 V cm-1) on the population of a stationary (n = 40) Rydberg state in rubidium. The first half cycle pulse creates the THz wavepacket and the second half cycle pulse probes the dynamics of the THz wavepacket. We support our experimental data by numerically solving the Schrödinger equation and with a semi-classical picture. Whereas an optically excited wavepacket is initially localized, a THz wavepacket is initially delocalized and becomes localized after half a revival time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100530170213
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