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  • 1
    Electronic Resource
    Electronic Resource
    Tensile Fracture Properties of Sulfonated Polystyrene Ionomers. 1. Effect of Ion Content (1994)
    s.l. : American Chemical Society
    Macromolecules 27 (1994), S. 1407-1412 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00084a020
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  • 2
    Electronic Resource
    Electronic Resource
    Tensile Fracture Properties of Rigid-Rigid Blends Made of Sulfonated Polystyrene Ionomer and Polystyrene (1994)
    s.l. : American Chemical Society
    Macromolecules 27 (1994), S. 6147-6155 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00099a033
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  • 3
    Electronic Resource
    Electronic Resource
    No diabetes-associated mutations in the coding region of the hepatocyte nuclear factor-4γ gene (HNF4G) in Japanese patients with MODY (2000)
    Springer
    Diabetologia 43 (2000), S. 1064-1069 
    Details
    ISSN: 1432-0428
    Keywords: Keywords Maturity-onset diabetes of the young ; MODY ; transcription factor ; nuclear receptor ; HNF-4γ ; diabetes mellitus ; insulin ; genetics ; mutation.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aims/hypothesis. Mutations in the transcription factor hepatocyte nuclear factor (HNF)-4α are the cause of one form of maturity-onset diabetes of the young, MODY1. The HNF-4γ is structurally related to HNF-4α and is expressed together with HNF-4α in pancreatic islets. We therefore tested the hypothesis that genetic variation in the HNF-4γ gene (HNF4G) is associated with MODY in Japanese subjects. Methods. We screened the protein coding region of HNF4G (exons 3–11) for mutations in 57 unrelated Japanese subjects with MODY by amplifying each exon and adjacent intron region using the polymerase chain reaction (PCR) and specific primers and then directly sequencing the PCR products. The frequency of each variant was compared between patients with MODY and a group of non-diabetic subjects. Results. We found ten sequence variants, two of these were located in exons: exon 6, a silent substitution in codon 144, c.432A/G and exon 7, a G-to-A substitution in codon 190 (c.570G/A) resulting in a conservative Met-to-Ile substitution (M/I190) in the putative ligand-binding region of HNF-4γ protein. The remaining eight variants were located in introns. There was no significant difference in the frequency of these polymorphisms between subjects with MODY and non-diabetic control subjects. Conclusion/interpretation. Genetic variation in the coding region of HNF4G is unlikely to be a major cause of MODY in Japanese people. [Diabetologia (2000) 43: 1064–1069]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001250051491
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  • 4
    Electronic Resource
    Electronic Resource
    Serum soluble CD8 antigen level is not elevated in mucocutaneous lymph node syndrome (Kawasaki disease) in spite of an increase in serum soluble interleukin 2 receptors (1990)
    Springer
    European journal of pediatrics 149 (1990), S. 448-449 
    Details
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02009673
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  • 5
    Electronic Resource
    Electronic Resource
    Elevation of Nitric Oxide Metabolites in the Cerebrospinal Fluid of Patients with Moyamoya Disease (2000)
    Springer
    Acta neurochirurgica 142 (2000), S. 1275-1280 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Collateral circulation; intracranial-extracranial bypass surgery; moyamoya disease; nitric oxide.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary  Background. To investigate whether nitric oxide (NO) contributes to formation of abnormal collateral circulation in patients with moyamoya disease.  Methods. Cerebrospinal fluid (CSF) samples were obtained from the subarachnoid space of the Sylvian fissure during combined bypass surgery for moyamoya disease and kept frozen until NO metabolites, nitrate and nitrite, were measured using a Griess method.  Results. Compared with control CSF obtained from 18 patients with hemifacial spasm, unruptured aneurysm, etc., concentrations of NO metabolites in 26 CSF samples of 18 patients with moyamoya disease were significantly higher (mean±SE; 17.6±1.2 vs. 10.5±1.0 μM, p〈0.01). In eight patients, the CSF samples from both the first and second operation could be obtained. NO metabolite concentrations (20.5±2.3 μM) in CSF obtained from the first surgery decreased to 15.7±1.8 μM (p〈0.01) in CSF obtained from the second, contralateral procedure. The cases of moyamoya disease with greater development of moyamoya vessels at angiographic stage 3 and 4 tended to show higher concentrations of NO metabolites than cases at earlier or later stages with a few moyamoya vessels.  Interpretation. Nitric oxide concentrations in CSF are chronically elevated in moyamoya disease, probably reflecting development of abnormal collateral circulation. i.e. moyamoya vessels. Vascular bypass surgery can reduce abnormal collateral circulation with reduced production of nitric oxide.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010070025
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  • 6
    Electronic Resource
    Electronic Resource
    Generalized eruptive histiocytoma: a report of a variant case showing the presence of dermal indeterminate cells (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 18 (1991), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We describe a 14-year-old Japanese girl with a variant of generalized eruptive histiocytoma. She presented with the characteristic features of classical generalized eruptive histiocytoma but with the following minor differences. Clinically, some of the papular eruptions tended to coalesce to form plaques. Histoligically, some of the histiocytic cells were S-100 protein- and OKT-6-positive; these were thought to be indeterminate cells because they lacked Birbeck granules. In addition, PAS-positive cells were few and there were some intermingled lymphocytes and a few eosinophils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1991.tb00141.x
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  • 7
    Electronic Resource
    Electronic Resource
    Reduction of the source size of gas-puff z-pinch plasmas using an inductive pulsed power system (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 4438-4444 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A small scale inductive pulsed power (IPP) generator with copper wire fuses as an opening switch has been applied to an argon gas-puff z-pinch plasma which can be used as a point source for x-ray lithography. The IPP generator with fuses supplies a driving current of 60 kA in 400 ns to the z-pinch plasma. Without fuses, the generator serves as a conventional fast bank (FB) system which supplies z-pinch current of 60 kA in 4.5 μs. Characteristics of the z-pinch implosions in IPP and FB systems are investigated and compared. The result obtained shows that the intensity of soft x rays emitted from hot spots in both systems is decreased gradually with longer delay time, which is the time difference between energizing a gas-puff actuator and a primary current trigger. Dual axis pinhole imagery shows that the hot spot size is 0.8 mm in diameter in both systems. However, the average radial displacement of hot spots is 0.9 mm in the FB system and it is reduced to 0.4 mm in the IPP system. Optical framing camera images have confirmed that the radial distribution of hot spots is due to kink instability. The framing images also show that the imploding plasma in the FB system which has a pinch size of 2.2 mm in diameter can be further compressed to 1.3 mm. The IPP system can suppress the kink instability of pinch plasma and increases plasma column uniformity along the z axis. This suggests that the IPP system can improve the stability of the pinched plasma so as to minimize the end-on source size for x-ray lithography applications. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1322576
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  • 8
    Electronic Resource
    Electronic Resource
    SiO2 formation by thermal evaporation of SiO in oxygen atmosphere used to fabrication of high performance polycrystalline silicon thin film transistors (1994)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 64 (1994), S. 1018-1020 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A reactive evaporation of SiO in an oxygen atmosphere was investigated for forming a good interface of SiO2/Si. SiO2 films are formed at room temperature by evaporation of a SiO powder in an oxygen atmosphere with a flow rate of 2 sccm at a pressure of 1×10−4 Torr. The interface trapping density at SiO2/Si was lower than 5×1010 cm−2 eV−1. n- and p-channel Al-gate polycrystalline silicon thin film transistors (poly-Si TFTs) were fabricated at 270 °C with the present SiO2 films as a gate oxide and laser crystallized poly-Si films formed using a pulsed XeCl excimer laser. They showed good characteristics of a low threshold voltage of 1.1 V (n-channel) and −1.2 V (p-channel), and a high carrier mobility of 450 cm2/V s (n-channel) and 270 cm2/V s (p-channel).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.110956
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  • 9
    Electronic Resource
    Electronic Resource
    Reduction of defects in laser-induced crystallized and amorphized silicon films using plasma hydrogenation (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 7377-7383 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Plasma hydrogenation of laser-crystallized and -amorphized films was investigated. The hydrogen concentration was determined to be 1.5 at. % using a method of laser-induced hydrogen effusion for 20-nm-thick crystallized films which were hydrogenated at 250 °C for 30 s. The defect density was reduced from 1×1017 to 4×1016 cm−3. The hydrogen concentration was 2.5 at. % for amorphized films of 12 nm-thickness. This low hydrogen concentration resulted in a low optical band-gap energy of 1.7 eV for amorphized films, while the width of the Urbach tail was 0.06±0.005 eV, which is close to that of hydrogenated amorphous silicon (a-Si:H) films fabricated using radio-frequency glow discharge (rf GD). The defect density of the laser-amorphized silicon films was reduced from 2×1020 to 4×1015 cm−3 eV−1 comparable to a-Si:H films fabricated by rf GD. © 1994 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.357962
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  • 10
    Electronic Resource
    Electronic Resource
    Desorption of aluminum hydride from hydrogen adsorbed aluminum(111) surface (1991)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 95 (1991), S. 6-7 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100154a003
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