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  • 1
    Electronic Resource
    Electronic Resource
    Case 3 (2002)
    Oxford, UK : Blackwell Science, Ltd
    Clinical and experimental dermatology 27 (2002), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.0307-6938.2001.00950.x
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  • 2
    Electronic Resource
    Electronic Resource
    Improved temporal resolution in junction-mixing ultrafast scanning tunneling microscopy (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 81 (2002), S. 1143-1145 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We demonstrate ultrafast dynamical imaging of surfaces using a junction-mixing scanning tunneling microscope. We detect picosecond transient voltage pulses on a microstrip transmission line and demonstrate a temporal resolution (full width at half maximum) of 8 ps. We show that the time resolution achieved in these experiments is limited mostly by the microstrip geometry and can be significantly improved by reducing the value of the transmission line impedance. By dynamically imaging the microstrip line and detecting picosecond voltage pulses propagating on a patterned metal-on-metal (Ti/Pt) structure, we demonstrate that 1 nm spatial resolution is achievable for a 13 ps (full width at half maximum) transient correlated signal. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1490402
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  • 3
    Electronic Resource
    Electronic Resource
    Oscillatory optical second-harmonic generation from Si(001) surface during thin-film epitaxy (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 76 (2000), S. 933-935 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Periodic variation in optical second-harmonic generation during homoepitaxial growth of silicon on singular Si(001) surface is reported. The period of the oscillations corresponds to bilayer growth, and the oscillations are correlated with the mechanism associated with a two-dimensional layer-by-layer growth mode. This mechanism is tentatively attributed to periodic domain coverage variations analogous to the oscillatory response in linear optical technique of reflectance anisotropy. The current experiment, however, cannot distinguish this mechanism from another based on anisotropic second-harmonic generation response with respect to steps. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.125634
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  • 4
    Electronic Resource
    Electronic Resource
    EXPLORATION OF AQUIFER MANAGEMENT OPTIONS USING A GROUNDWATER MODEL (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 17 (2003), S. 0 
    Details
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: A methodology is described for harnessing the predictive capacity of a groundwater model to underpin aquifer management decisions for changing abstraction within a licensing regulatory framework. The use of a ‘baseline predictive simulation’ is advocated from both aquifer management and scientific perspectives, and an example of groundwater modelling predictive work on the Nottingham-Doncaster Sherwood Sandstone aquifer system is used to illustrate the methodology. Differences between the baseline predictive simulation and a predictive simulation are processed to extract quantitative information (spatially and temporally) on the response to changes in aquifer stresses. An explanation is given on the use of this information to aid aquifer management decisions for achieving environmental targets. The importance of the aquifer diffusivity with respect to a predictive simulation exercise is highlighted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1747-6593.2003.tb00458.x
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  • 5
    Electronic Resource
    Electronic Resource
    Successful use of heparinoids in a pregnancy complicated by allergy to heparin (2001)
    Oxford, UK : Blackwell Science Ltd
    BJOG 108 (2001), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.2001.00215.x
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  • 6
    Electronic Resource
    Electronic Resource
    Screening for HIV, hepatitis B and C infection in a population seeking assisted reproduction in an inner London hospital (2001)
    Oxford, UK : Blackwell Science Ltd
    BJOG 108 (2001), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The Human Fertilisation and Embryology Authority requires all sperm donors to be screened for human immunodeficiency virus (HIV), hepatitis B and C and their semen quarantined for six months. No guidelines exist for screening prior to in vitro fertilisation or intracytoplasmic sperm injection. We prospectively analysed the prevalence of these viruses in our patients. Screening detected one case of HIV (0.13%), four of hepatitis C (0.5%) and 14 new cases of hepatitis B (1.7%). The prevalence of hepatitis B and HIV in our antenatal population at this time was 1.4% and 0.8%, respectively. Knowledge allows measures to be taken to reduce the risk of transmission to partner, fetus, new born baby, or by cross-contamination during embryo cryostorage and enables couples to make an informed decision regarding proceeding with treatment. Detection of infection in one partner should no longer preclude fertility treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.2001.00146.x
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  • 7
    Electronic Resource
    Electronic Resource
    Hepatitis C virus among high and low risk pregnant women in Dundee: unlinked anonymous testing (2001)
    Oxford, UK : Blackwell Science Ltd
    BJOG 108 (2001), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To determine the prevalence of the hepatitis C virus among pregnant women, to gauge the non-injecting, particularly sexual, risk of them being hepatitis C virus infected and to assess the potential impact of selective antenatal screening.Population Antenatal clinic attenders and women undergoing termination of pregnancy in 1997.Setting Ninewells Hospital, Dundee.Design Unlinked anonymous hepatitis C virus antibody testing of residual sera from specimens sent to the virus laboratory for routine serological testing. The results were linked to non-identifying risk information.Results Overall anti-hepatitis C virus prevalence was 0.6% (23/3548). Prevalences among injecting drug users, non-injectors who had a sexual partner who injected, and those with neither risk respectively were 41% (7/17), 15% (5/33) and 0.3% (11/3498). Relative risks for being an injector and a sexual partner of an injector respectively were 131 (95% CI 58-297) and 48 (95% CI 5-32). It is estimated that one of the 18 antenatal clinic attenders gave birth to an infected child.Conclusion Findings suggest that non-injecting partners of injectors may be at considerable risk of acquiring hepatitis C virus sexually. Efforts to promote the use of condoms among injectors and their sexual partners should be increased. Selective anti-hepatitis C virus screening of women who reported high risk behaviour would have failed to detect half the cases. Research to gauge the views of women of childbearing age on anti-hepatitis C virus testing is required.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.2001.00089.x
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  • 8
    Electronic Resource
    Electronic Resource
    Author's Reply (2003)
    Oxford, UK : Blackwell Science Ltd
    BJOG 110 (2003), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-0528.2003.01016_2.x
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  • 9
    Electronic Resource
    Electronic Resource
    Arterial line insertion (2002)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 57 (2002), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.2002.02752_10.x
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  • 10
    Electronic Resource
    Electronic Resource
    High speed laser shadowgraphy for electromagnetically driven cylindrical implosions (2001)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 72 (2001), S. 3230-3236 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A laser shadowgraphy system for high-speed imaging of a convergent cylindrical shockwave generated by an electromagnetically driven solid density liner implosion in Lucite is described. The laser shadowgraphy system utilizes an advanced high-energy, long-pulse, frequency-doubled Nd:YAG laser for target illumination and a fast framing camera for multiple frame imaging of the shockwave as it radially converges and transits the Lucite. The time window resolution is 10 ns as determined by the fastest exposure time capable with the camera. Two on-axis symmetric implosions and two off-axis asymmetric implosion experiments were fielded at the Air Force Research Laboratory's Shiva Star 4.2 MJ capacitor bank z-pinch facility. For each experimental shot, the shadowgraphy system captured several frames of shadowgraph images as the shockwave moved through the Lucite. Analysis of the shockwave shadowgraph image shapes is done by fitting each shadowgraph image to a generic elliptical fit function and plotting the resultant two-dimensional image fits for comparison. For the on-axis symmetric implosion shots, a radial trajectory plot is extracted and a radial shock velocity is calculated. The Lucite shock speed is seen to increase monotonically from an initial velocity of 7.9 mm/μs to a near final velocity of 13.4 mm/μs as convergence effects dominate the shock speed calculated at small radii. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1386908
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