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  • 1
    Electronic Resource
    Electronic Resource
    Evolution of microstructure in nanocrystalline Mo-Cu thin films during thermal annealing (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 2435-2440 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The evolution of microstructure in Mo-Cu thin films during annealing has been investigated by in situ sheet resistance measurements, ex situ x-ray diffraction, and in situ hot-stage as well as conventional transmission electron microscopy. Mo-Cu thin films, deposited on various glass substrates by magnetron sputtering at ∼30 °C, were supersaturated solid solutions of Cu in Mo with a nanocrystalline microstructure. The as-deposited films had large compressive residual stresses owing to the low homologous deposition temperature and low Ar pressure during deposition. Annealing results showed two distinct sets of microstructural changes occurring in the temperature ranges between ∼300 and 500 °C, and ∼525 and 810 °C. In the lower-temperature range, anisotropic growth of nanocrystallites was accompanied by stress relaxation without any observable phase separation. At temperatures greater than ∼525 °C, the metastable solid solution collapsed and Cu precipitated at the grain boundaries. Increasing temperature resulted in the coarsening of Cu precipitates and simultaneous growth of Mo grains. At temperatures greater than ∼700 °C, phase separation and grain growth approached completion. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.360756
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  • 2
    Electronic Resource
    Electronic Resource
    Combined use of esmolol and nicardipine to blunt the haemodynamic changes following laryngoscopy and tracheal intubation〈link href="#fn1-4"〉*〈/link〉 (2002)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 57 (2002), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary We examined the effect of different combinations of esmolol and nicardipine upon the circulatory response to tracheal intubation. One hundred patients were randomly allocated into five groups of twenty to receive pretreatments of saline or different combinations of esmolol (0.5 or 1.0 mg.kg−1) and nicardipine (15 or 30 µg.kg−1). Significant tachycardia persisted over a 5-min period after intubation in all five groups compared with baseline levels (p 〈 0.05). Patients receiving esmolol 1.0 mg.kg−1 and nicardipine 30 μg.kg−1 showed no significant change in systolic blood pressure after tracheal intubation compared with baseline and significant lower peak systolic blood pressure than those receiving saline (p = 0.023).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.2002.02624_4.x
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  • 3
    Electronic Resource
    Electronic Resource
    Chemical and structural characterization of physical-vapor deposited CuInSe2 for solar cell applications (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 67 (1990), S. 2637-2642 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: This paper reports the results of a comparative study of chalcopyrite-structure CuInSe2 deposited by three techniques, three-source evaporation, reactive sputtering and a hybrid sputtering, and evaporation method. All films exhibit comparable microstructures and microchemistries. Evaporated and hybrid-process films include significant porosity. All layers show dislocations, twins, and stacking faults. No second phases were observed in layers deposited by any of the techniques, independent of film composition. Data supporting this conclusion include average and single-grain energy-dispersive x-ray fluorescence spectroscopy measurements, diffraction studies of the film structure, and transmission electron microscopy images of the films. Finally, grain sizes can be increased by annealing films at temperatures above 400 °C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.345471
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  • 4
    Electronic Resource
    Electronic Resource
    Clinical Association of Anti-Golgi Autoantibodies and their Autoantigens (2004)
    Oxford, UK; Malden , USA : Blackwell Science Ltd
    Scandinavian journal of immunology 59 (2004), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Anti-Golgi autoantibodies (AGAs) and their targets have been reported from several diseases. However, the association of AGAs, selective autoantigens and related clinical diseases is still obscure. In this study, the presence of AGAs in the sera of 5983 patients was screened to explore the association of AGAs and clinical diseases. By means of indirect immunofluorescence using HEp-2 cells, sera of 12 patients bearing AGAs were identified. The location of recognized Golgi autoantigen(s) was confirmed by the treatment of monensin and double immunostaining using β-COP. Using the immunoelectron microscopy, AGA immunoreactivity was clearly demonstrated at a stack structure, characteristic of the Golgi complex. Furthermore, analysis of the 12 AGA-positive sera by Western blot revealed at least 15 components of Golgi antigens with relative molecular weights ranging from 54 to 350 kDa, and several Golgi autoantigens identified may be novel. Notably, over half of the AGA-positive cases found belong to non-autoimmune diseases, particularly hepatic disorder. This study presents the association of AGAs, components of the Golgi complex and clinical diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0300-9475.2004.01353.x
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  • 5
    Electronic Resource
    Electronic Resource
    Cytotoxic effects of gingival retraction cords on human gingival fibroblasts in vitro (2004)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 31 (2004), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: summary  The objective of this study was to determine the cytocompatibility of three different extracts of gingival retraction cords and to compare the cytotoxic effect of these materials on human gingival fibroblasts. Gingival retraction cords impregnated with aluminium sulphate (Gingi-Aid), dl-adrenaline HCl (Gingi-Pak) and non-drug-impregnated cord (Gingi-Plain) were eluted with culture medium for 10 min and 24 h. Cytotoxicity was judged using a tetrazolium bromide reduction assay. Our data demonstrated that gingival retraction cords applied alone almost completely inhibited cell viability (P 〈 0·05). In addition, the results also showed that the eluates from aluminium sulphate-impregnated cord, dl-adrenaline HCl-impregnated cord and non-drug-impregnated cord were cytotoxic to primary human gingival fibroblast cultures (P 〈 0·05). The cell viability of incubation of gingival fibroblasts containing 10-min eluates of aluminium sulphate, dl-adrenaline HCl and non-drug-impregnated cord was 61, 21 and 70%, respectively. The cell viability of incubation of gingival fibroblasts containing 24 h eluates of aluminium sulphate, dl-adrenaline HCl and non-drug-impregnated cord was 68, 58 and 72%, respectively. It was found that dl-adrenaline HCl-impregnated gingival retraction cord was the most toxic gingival retraction cord among the materials tested in all cultures (P 〈 0·05). The cytotoxicity decreased in an order of dl-adrenaline HCl-impregnated cord 〉 aluminium sulphate-impregnated cord 〉 non-drug-impregnated cord. The extent or degree of the cytotoxicity depended on the materials tested. Gingival retraction cords have significant potential for gingival toxicity. Careful management of gingiva retraction cords would lower the risk of potential gingival tissue damage during clinical application procedure and thus increase the success of prosthodontic procedures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2842.2003.01237.x
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  • 6
    Electronic Resource
    Electronic Resource
    Intractable livedoid vasculopathy successfully treated with hyperbaric oxygen (2003)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 149 (2003), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We describe a new method for treating livedoid vasculopathy. The typical presentation of livedoid vasculopathy includes chronic, recurrent painful ulcers, satellite scar-like atrophy and telangiectasia involving the lower extremities. Histologically, these lesions show areas of ulceration and dermal vessel occlusion without frank inflammatory cell infiltration. There is currently no satisfactory therapy available for this disease. Hyperbaric oxygen (HBO) has recently established itself as one of the most effective methods of treating ischaemic wounds, including diabetic ulcers. We used this therapy in two patients whose lesions were resistant to multiple therapeutic modalities. Not only did their ulcers respond rapidly to the HBO therapy, but the disturbing wound pain also resolved at the same time. To our knowledge, this is the first successful trial of HBO therapy in livedoid vasculopathy. We believe this to be a very promising new therapy for livedoid vasculopathy and to be worth further investigation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.2003.05546.x
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  • 7
    Electronic Resource
    Electronic Resource
    Performance Characteristics of a Laser Initiated MicrodetonatorThis paper presents the results of one phase of research carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract No. NAS 7-100, sponsored by the National Aeronautics and Space Administration. (1981)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 6 (1981), S. 151-157 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The test results of 320 units of a laser initiated microdetonator are summarized. The commercially fabricated units used a lead styphnate/lead azide/HMX (1 mg/17.5 mg/13.5 mg) explosive train design contained in a miniature aluminum can that was capped with a glass-metal seal window. The test parameters were the laser energy, temperature, laser pulse duration, laser wavelength and nuclear radiation (5 × 106 rad of 1 MeV gamma rays). The performance parameters were the laser energy for ignition and the actuation response time.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19810060602
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  • 8
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    Flow resistance over submerged vegetation in ecological channel (2017)
    Institute of Physics (IOP)
    Details
    Publication Date: 2017-09-01
    Description: A discussion of flow resistance in ecological channel is a fundamental problem required by hydraulic engineers, but the well-established flow resistance mechanism is still not well discovered. This research studies on flow over submerged vegetation in ecological channel to explain mechanism of flow resistance on rough surfaces. With a detailed discussion, this research separates total resistance and unlike previous research, this study pays attention to the variation in vortices created by roughness, and new definitions of hydraulic radius and Reynolds Number are given. This study validated the proposed method can be used to simplify the friction factor calculations for hydraulic engineers.
    Print ISSN: 1755-1307
    Electronic ISSN: 1755-1315
    Topics: Geography , Geosciences , Physics
    Published by Institute of Physics (IOP)
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