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  • 1
    Electronic Resource
    Electronic Resource
    Effect of cumulative ablation on the ejection of particulates and molecular species from YBa2Cu3O7−x targets (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 5961-5967 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Effects of cumulative ablation on the ejection of particulates and molecular species in pulsed-laser deposition are studied by Mie scattering and laser-induced fluorescence spectroscopy, respectively. When a fresh target is ablated, a large amount of particulates are ejected during several initial shots and rapidly decreased within the first ten shots of ablation. This is due to the ejection of powder residues which are struck on the target surface during the polishing process. After this period, ejection of particulates increased gradually and almost saturated after 200 shots. The saturation characteristic is empirically formulated as a function of the number of cumulative ablations. On the other hand, ejection of molecular species rapidly decreases during the initial 500 ablations and afterwards decreases more slowly with further ablation. The effects of cumulative ablation on the particle ejection are discussed in conjunction with the structural modification of the ablated surface observed by the scanning electron microscope. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359178
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  • 2
    Electronic Resource
    Electronic Resource
    GENE EXPRESSION OF PROSTACYCLIN RECEPTOR IN THE HYPERTROPHIED HEART OF SPONTANEOUSLY HYPERTENSIVE RATS (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 22 (1995), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. Prostacyclin elicits potent vasodilation and inhibition of platelet aggregation through binding to its membrane receptor. The impairment of prostacyclin receptor activity is implicated in various human cardiovascular diseases. We recently succeeded in molecular cloning of cDNA for the mouse, rat, and human prostacyclin receptors.2. In the present study, we examined the mRNA expression of the prostacyclin receptor in various rat tissues, and further investigated its gene expression in the hypertrophied cardiac ventricles of stroke-prone spontaneously hypertensive rats (SHRSP).3. In rat tissues, a single RNA band of approximately 3.7 kb was detected by northern blotting analysis using rat prostacyclin receptor cDNA as a probe. In adult Wistar rats, abundant mRNA expression was observed in the aorta, lung and spleen. Substantial amounts of transcript were expressed in the heart, pancreas, thymus and stomach. In contrast, no mRNA expression was detected in the brain.4. We further examined the mRNA expression of the prostacyclin receptor in the ventricles of 21 week old SHRSP. The ventricles of SHRSP showed remarkable hypertrophy, compared with those of age-matched Wistar-Kyoto (WKY) rats. The expression of prostacyclin receptor mRNA in the hypertrophied ventricles of SHRSP was almost equivalent to that in the ventricles of WKY.5. The present study revealed the gene expression of the prostacyclin receptor in various rat tissues, and further demonstrated the receptor mRNA expression in hypertensive cardiac hypertrophy. The present study will give a clue to investigate the clinical implication of prostacyclin and its receptor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1995.tb02912.x
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  • 3
    Electronic Resource
    Electronic Resource
    PROTECTIVE EFFECT OF THROMBOXANE SYNTHETASE INHIBITOR ON HYPERTENSIVE RENAL DAMAGE IN DAHL SALT-SENSITIVE RATS (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 22 (1995), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. The effects of OKY-046, a specific thromboxane (TX) synthetase inhibitor, on blood pressure, urinary excretion of TX and its release from blood platelets and renal papilla, and pathological change of glomeruli were evaluated in Dahl salt-sensitive rats.2. Average daily intakes of OKY-046-treated rats were 0.93 mg/kg (low dose), 9.8mg/kg (moderate dose), and 88 mg/kg (high dose).3. Systolic blood pressure tended to decrease by 6.3, 11.4, and 10.9% in three OKY-treated groups.4. OKY-046 suppressed the release of TX from platelets in a dose-dependent fashion. Both TX in urine and released from renal papilla decreased in OKY-treated groups with moderate and high dose. OKY-046 resulted no change in urinary excretion or release from renal papilla of prostaglandin E2 or 6-keto-prostaglandin F1α.5. Glomerular sclerosis score decreased significantly in both groups treated with moderate and high doses of OKY-046.6. An inhibition of renal TX synthesis by TX synthetase inhibitor has a protective effect on the development of hypertensive renal damage with minor antihypertensive effect in Dahl salt-sensitive rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1995.tb02959.x
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  • 4
    Electronic Resource
    Electronic Resource
    Status of the booster synchrotron for SPring-8 : Proceedings of the 5th international conference on synchrotron radiation instrumentation (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 1964-1967 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The specification and the layout of the booster synchrotron for SPring-8 were decided. The synchrotron is designed to accelerate electron or positron beams from 1 to 8 GeV with a repetition cycle of 1 Hz. The construction of the synchrotron was started in 1993. First, one bending, one quadrupole, and one sextupole magnet were made and the results of the magnetic field measurement were acquired. Two septum, one bump, and one kicker magnets for the beam extraction have been made, the field measurement and a few improvements have progressed. The high power test of the first rf cavity was finished successfully. The calibration test of the button position monitor with the signal treatment circuits is advanced now. The residual components of the synchrotron are designed and constructed, and the commissioning of the synchrotron will start in 1996. This paper presents the first measurement of each component. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145771
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  • 5
    Electronic Resource
    Electronic Resource
    Observation of x-ray sheet beam from radioisotopes embedded in thin-film waveguide (1995)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 67 (1995), S. 164-166 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A specific angular distribution of x rays from 111In embedded in a thin-film waveguide (Au film/Langmuir–Blodgett film/Au substrate) is observed by a non-energy-dispersive two-dimensional detector (imaging plate). The angular distribution for the thickness of the upper Au layer of 90 A(ring) can be explained by normal calculation of the optical electromagnetic wave solution of Maxwell's equations for each interface and reciprocity. However, the angular pattern in the upper 400 A(ring) Au thickness layer cannot be accounted for by the normal approach without considering the intensity of the x-ray sheet beam emerging from the end of the multilayer. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.114654
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  • 6
    Electronic Resource
    Electronic Resource
    Dichlorobis(creatinine)cadmium(II) (1995)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 224-226 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270194010048
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  • 7
    Electronic Resource
    Electronic Resource
    Zinc(II) Complex of Urocanic Acid (1995)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 65-67 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270194005056
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  • 8
    Electronic Resource
    Electronic Resource
    Transport of monooleoylglycerol mediated by bile salt micelles across porous membranes (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 701-707 
    Details
    ISSN: 1435-1536
    Keywords: Mixed micelle ; bile salt ; monoacylglycerol ; transport ; porous membrane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In order to study how the bile salts and lipids behave in the vicinity of microvillus, the transport properties of a sodium salt of deoxycholic acid (NaDC) and its mixture with monooleoylglycerol (MO) through artificial membranes were investigated in 0.15 M NaCl saline solution at 37°C. The hydrodynamic radius of MO-solubilized micelles was estimated to be approximately 17–20 Å from the transport study. The thermodynamically stable MO-NaDC mixed micelles formed above critical micelle concentration in the higher region of mole fraction of NaDC in the mixture (X NaDC〉ca. 0.6), can behave as a single species in transport process and freely pass through the porous membranes of both pore sizes, 0.01 μm and 0.1 μm. The permeabilities of MO-NaDC mixed micelles are large compared with those of pure NaDC micelles. MO molecules solubilized may probably enhance the interaction between MO and NaDC molecules by better contacting with the respective hydrophobic groups in a mixed micelle (the flexible structure of MO molecule enables it), and in this situation, the smaller micelles compared with those of pure NaDC must be more favorable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00652264
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  • 9
    Electronic Resource
    Electronic Resource
    Solubilization and precipitation of cholesterol in aqueous solution of bile salts and their mixtures (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 675-680 
    Details
    ISSN: 1435-1536
    Keywords: Solubilization ; surface tension ; bile salt ; cholesterol ; mixed micelle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Solubilization of cholesterol by mixed micelles of sodium chenodeoxycholate with sodium ursodeoxycholate was investigated in carbonate-tetraborate buffer (Kolthoff) solution at pH 10 and 37°C. It was found that the mixing of the two bile salts gives a negatively synergetic effect on solubilization of cholesterol. The solubilizing power of bile salts for cholesterol was remarkably influenced with the change in mole fraction of sodium ursodeoxycholate (X UDC). The behavior of bile salt solutions saturated with cholesterol was examined by measuring the surface tension. Two break points were observed in the curves of surface tension vs. concentration. The break points seem to correspond to a CMC in the absence of solubilized cholesterol and another CMC in the presence of solubilized cholesterol inside bile salt micelle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00652260
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  • 10
    Electronic Resource
    Electronic Resource
    A potentiometric titration study on the dissociation of bile acids related to the mode of interaction between different head groups of nonionic surfactants with free bile salts upon mixed micelle formation in water (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 392-398 
    Details
    ISSN: 1435-1536
    Keywords: Potentiometric titration ; bile acid ; nonionic surfactant ; mixed micelle formation ; MEGA-10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract By constructing an elaborate set of potentiometric titration together with data analysis system, apparent acid dissociation indices (pK a app ) for two bile acids were determined in the mixed surfactant system of bile salts (Sodium Deoxycholate, NaDC, and Sodium Chenodeoxycholate, NaCDC) with nonionic surfactants (Hexaethyleneglycol monon-dodecylether, C12E6, Decanoyl-N-methylglucamide, MEGA-10) in aqueous solution at ionic strength 1.5 as a function of mole fraction in the surfactant mixture. It was found that with increasing the bile salt concentration, pK a app as well as pH showed an abrupt rise at a certain concentration of the bile salt being regardable as a critical micellization concentration (CMC) and reached a constant value at the range sufficiently higher than CMC for each pure bile salt system, meaning that the dissociation degree of carboxyl group in micelle is smaller than that in bulk. In the mixed systems of free bile salts with nonionic surfactants, the dissociation state of carboxyl groups in mixed micelles depends on the species of hydrophilic group of nonionic surfactants as well as on mole fraction in the surfactant mixture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00652355
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