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  • Electronic Resource  (36)
  • 1995-1999  (20)
  • 1985-1989  (11)
  • 1970-1974  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Oxidation of H-terminated Si(100) surfaces studied by high-resolution electron energy loss spectroscopy (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 5125-5129 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The adsorption of oxygen on H-terminated Si(100) surfaces has been investigated by high-resolution electron energy loss spectroscopy (HREELS). Adsorptions of atomic oxygen occur even at room temperature. Si-OH stretching and Si-O-Si (B1) vibrational modes are observed in HREELS spectra, which indicates that atomic oxygen is adsorbed on sites of Si—H bonds and Si—Si back bonds. On the other hand, H-terminated surfaces are very stable for molecular oxygen, which cannot adsorb until 380 °C on the surface. A dissociative adsorption of molecular oxygen is observed above 380 °C and the activation energy of the adsorption is 2.0 eV at 380–450 °C. This value coincides with the desorption energy of hydrogen atoms from a Si(100) surface with the monohydride phase. These results indicate that the dangling bonds are essential to the adsorption of molecular oxygen on Si(100) surfaces. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359323
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  • 2
    Electronic Resource
    Electronic Resource
    Neutron diffraction study of artificial CoO-NiO superlattices (1987)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 51 (1987), S. 205-206 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Neutron diffraction measurements were made on artificial superlattices of CoO-NiO, (CoO)m(NiO)n×l prepared on the (0001) surface of α-Al2O3. (111) layers of CoO and NiO, each less than 2 nm thick (2≤m,n≤8), were stacked alternatively to a total thickness of less than 70 nm (m+n≤15,l≤25). A well-defined magnetic Bragg peak indexed as (1/2 1/2 1/2) was observed for all the samples, and a magnetic structure of type FCC2 with the spin axis lying in the (111) planes grown was suggested. The temperature dependence of the magnetic peak intensity revealed a sharp, single magnetic transition. The Néel temperature was found to vary as a linear function of n/(m+n).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.98924
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  • 3
    Electronic Resource
    Electronic Resource
    ELECTROPHORETIC ANALYSIS OF HLA-DR2 MOLECULES ISOLATED FROM HLA-Dw2 AND HLA-Dw 12 CELL LINES (1985)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 12 (1985), S. 0 
    Details
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: To answer the question of whether or not polymorphism exists among HLA-DR2 molecules derived from cells homozygous for HLA-DR2, but expressing different HLA-D specificities, HLA-DR2 molecules were isolated from HLA-Dw2 and HLA-Dw12 homozygous cells using a monoclonal antibody operationally monospecific for HLA-DR2, and were compared to each other by two-dimensional gel eletrophoresis. No electrophoretically discernible polymorphism was found in either the heavy or the light chain subunits of the HLA-DR2 molecules. These findings are in marked contrast with previous observations that each of the HLA-DR4-associated HLA-D clusters expresses an electrophoretically distinct HLA-DR4 light chain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-313X.1985.tb00830.x
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  • 4
    Electronic Resource
    Electronic Resource
    Cathodic polarization characteristics of poly (4-vinylpyridine) bromine complex (1973)
    Springer
    Journal of applied electrochemistry 3 (1973), S. 99-102 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The cathodic polarization characteristics of the electrode consisting of poly (4-vinylpyridine) bromine complex and graphite powder were investigated. The electrolyte was propylene carbonate containing 1 M LiBr. The rest potential of the electrode was approx. 0.5 V (versus SCE). The coulometric efficiency of the continuous discharge was 52–53%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00613499
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  • 5
    Electronic Resource
    Electronic Resource
    Nature of the sound produced by courtship-inhibiting behaviour of the maleDrosophila mercatorum (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 1197-1199 
    Details
    ISSN: 1420-9071
    Keywords: Drosophila mercatorum ; courtship sound ; courtship-inhibiting sound ; courtship-inhibiting behavior ; male-male interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The male ofDrosophila mercatorum was found to produce a courtship-inhibiting sound when he was courted by another male. The nature of the sound was significantly different from the courtship sounds emitted by a courting male.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951727
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  • 6
    Electronic Resource
    Electronic Resource
    Mechanical Properties and Corrosion Resistance of PM High Nitrogen Stainless Steel Consolidated by Hot Extrusion (1999)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 318-320 (Oct. 1999), p. 681-686 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/04/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.318-320.681.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Patterns of care study of radiation therapy for esophageal cancer in Japan: influence of age on parameters of treatment (1998)
    Springer
    International journal of clinical oncology 3 (1998), S. 379-385 
    Details
    ISSN: 1437-7772
    Keywords: Patterns of Care ; Study ; Esophageal cancer Radiation therapy ; The elderly ; Parameter survey ; Age
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background. In Japan, the elderly population is growing rapidly, and therefore, so is the number of cancer patients who are not good candidates for aggressive surgery or chemotherapy. Radiation therapy offers excellent potential for the treatment of such patients, with minimal invasion and functional preservation. A Patterns of Care Study (PCS) examined the parameters of treatments used for patients with esophageal cancer to determine nationwide variations by age. Methods. From July 1996 through February 1997, external nationwide PCS audits were performed for 29 institutions. Medical charts were reviewed for 455 patients with thoracic esophageal cancer treated between 1992 and 1994. The parameters of treatments used for these patients were compared between those aged ≥75 years (elderly; n = 113) and those aged 〈75 years (yourger; n = 342). Results. Surgery was used in 49% of the younger group and in 17% of the elderly group (P 〈 0.0001) while chemotherapy was used in 48% of the younger and 24% of the older group (P 〈 0.0001). The ratio of non-surgery group with radiation therapy increased significantly from 49% to 82% (P 〈 0.0001). Approximately 70% of the non-surgery patients received an external radiation dose of more than 60Gy, even in the elderly (P = 0.3001). Preliminary results showed no significant difference in survival between the two age groups (P = 0.5559). Conclusions. The use of radiation therapy in elderly people with esophageal cancer has increased markedly. The PCS provided important information about variations in radiotherapy parameters in patients with esophageal cancer in relation to age. Such information should be useful for future prospective studies of the elderly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00539217
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  • 8
    Electronic Resource
    Electronic Resource
    Do plant and soil systems contribute to global carbon cycling as a sink of CO2? (1997)
    Springer
    Nutrient cycling in agroecosystems 49 (1997), S. 287-293 
    Details
    ISSN: 1573-0867
    Keywords: carbon cycling ; carbon dioxide sequestration ; carbon sink ; modeling ; terrestrialecosystem
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Major conclusions from our two projects focussing on carbon cycling in terrestrial ecosystems are as follows: 1) A rural system or a farmland system tends to be a source of carbon dioxide. However, it was possible to increase carbon dioxide sequestration in soil by changing soil or paddy/upland-field management systems. 2) A model simulation showed that a carbon budget in a natural forest was balanced before cutting but the large minus (source) was observed just after cutting. But the balance changed from minus to plus (sink) in 10 years after cutting. Nearly the same amounts of carbon as that stocked in the timbers before harvesting accumulated in 70-80 years after the cutting. 3) These results indicate the possibility of soils in terrestrial ecosystems as the major sink of atmospheric carbon dioxide.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009724723121
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  • 9
    Electronic Resource
    Electronic Resource
    A rat model of HTLV-I infection: development of chronic progressive myeloneuropathy in seropositive WKAH rats and related apoptosis (1995)
    Springer
    Acta neuropathologica 89 (1995), S. 483-490 
    Details
    ISSN: 1432-0533
    Keywords: Key words HTLV-I ; HTLV-I-associated ; myelopathy/tropical spastic paraparesis ; Rat model ; Apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In seropositive HTLV-I carrier rats of the WKAH strain inoculated with 2 × 107 MT-2 cells at 3–6 months of age, chronic progressive myeloneuropathy, tentatively designated as HTLV-I-associated myelopathy (HAM) rat disease, occurred when the rats were 19–23 months old. Clinical and pathological findings were basically identical to those of seronegative HAM rats of the same strain neonatally inoculated with MT-2 cells. It appears that a high dose of MT-2 cells (108 cells) is more effective for the induction and acceleration of HAM rat disease. Seronegative and seropositive carriers of other strains (F344, ACI, and LEW), WKAH rats inoculated with HUT-78 (a human T cell line without HTLV-I infection), and untreated WKAH rats at comparable ages did not develop HAM rat disease, thereby indicating that development of this disease is caused by HTLV-I infection and is under strict genetic restriction of the host strain. Chronological examination of HAM rat disease induced by 107 MT-2 inoculation into newborn rats showed that the spinal cord lesion began to develop by 12 months of age. T cells were absent in the affected spinal cord throughout the disease process. There was morphological evidence of apoptotic death of oligodendrocytes in the affected spinal cord. Apoptosis was also confirmed by the specific nick end labeling of the nuclear fragmentation in situ, and the apoptotic oligodendrocytes confined to the demyelinating foci, and the number of apoptotic cells positively correlated with severity of the spinal cord lesion. The collective evidence suggests that the major pathogenetic pathway of HAM rat disease appears to be closely related to apoptotic death of the oligodendrocytes, directly or indirectly associated with HTLV-I infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00571502
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  • 10
    Electronic Resource
    Electronic Resource
    A rat model of HTLV-I infection: development of chronic progressive myeloneuropathy in seropositive WKAH rats and related apoptosis (1995)
    Springer
    Acta neuropathologica 89 (1995), S. 483-490 
    Details
    ISSN: 1432-0533
    Keywords: HTLV-I ; HTLV-I-associated ; myelopathy/tropical spastic paraparesis ; Rat model ; Apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In seropositive HTLV-I carrier rats of the WKAH strain inoculated with 2×107 MT-2 cells at 3–6 months of age, chronic progressive myeloneuropathy, tentatively designated as HTLV-I-associated myelopathy (HAM) rat disease, occurred when the rats were 19–23 months old. Clinical and pathological findings were basically identical to those of seronegative HAM rats of the same strain neonatally inoculated with MT-2 cells. It appears that a high dose of MT-2 cells (108 cells) is more effective for the induction and acceleration of HAM rat disease. Seronegative and seropositive carriers of other strains (F344, ACI, and LEW), WKAH rats inoculated with HUT-78 (a human T cell line without HTLV-I infection), and untreated WKAH rats at comparable ages did not develop HAM rat disease, thereby indicating that development of this disease is caused by HTLV-I infection and is under strict genetic restriction of the host strain. Chronological examination of HAM rat disease induced by 107 MT-2 inoculation into newborn rats showed that the spinal cord lesion began to develop by 12 months of age. T cells were absent in the affected spinal cord throughout the disease process. There was morphological evidence of apoptotic death of oligodendrocytes in the affected spinal cord. Apoptosis was also confirmed by the specific nick end labeling of the nuclear fragmentation in situ, and the apoptotic oligodendrocytes confined to the demyelinating foci, and the number of apoptotic cells positively correlated with severity of the spinal cord lesion. The collective evidence suggests that the major pathogenetic pathway of HAM rat disease appears to be closely related to apoptotic death of the oligodendrocytes, directly or indirectly associated with HTLV-I infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00571502
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