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  • Springer  (16)
  • Oxford University Press  (3)
  • Blackwell Publishing Ltd  (1)
  • American Association for the Advancement of Science (AAAS)
  • BioMed Central
  • Geological Society of Japan
  • Wiley-Blackwell
  • 2020-2022
  • 1995-1999  (20)
  • 1970-1974
  • 1940-1944
  • 1998  (6)
  • 1996  (14)
Collection
Keywords
Publisher
Years
  • 2020-2022
  • 1995-1999  (20)
  • 1970-1974
  • 1940-1944
Year
  • 1
    Electronic Resource
    Electronic Resource
    Evaluation of three individual glucosyltransferases produced by Streptococcus mutans using monoclonal antibodies (1996)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 145 (1996), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract We previously established murine hybridomas producing a monoclonal antibody monospecific against three glucosyl-transferases (I, SI and S) of Streptococcus mutans which contribute to dental caries formation. Here, we developed a new immunochemical technique (cross-dot system) with which individual levels of glucosyltransferases expressed by S. mutans can be evaluated. We also examined glucosyltransferase production and in vitro artificial plaque formation by a reference strain and several clinical isolates of S. mutans. The findings indicate that the levels of glucosyltransferases produced greatly vary with the cells and the culture medium, and that the cells producing high levels of both glucosyltransferase-SI and glucosyltransferase-I enzymes may possess high in vitro artificial plaque forming ability. We suggest that the cross-dot system will be useful for estimating the cariogenic potential of S. mutans isolates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1996.tb08611.x
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  • 2
    Electronic Resource
    Electronic Resource
    Charge segregation in Yb4As3 observed using172Yb PAC probe (1996)
    Springer
    Hyperfine interactions 97-98 (1996), S. 125-132 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present results of PAC measurements in heavy-fermion compound Yb4As3. The quadrupole hyperfine interaction has been investigated over the temperature range 78–850 K. The interpretation of the experimental data yields a microscopic proof of the existence of a charge-ordered state with periodic arrangement of Yb2+ and Yb3+ ions in the low temperature phase. In the high temperature phase all Yb ions are in a valence fluctuating state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02150172
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  • 3
    Electronic Resource
    Electronic Resource
    Characterization and Expression of the Mx1 Gene in Wild Mouse Species (1998)
    Springer
    Biochemical genetics 36 (1998), S. 311-322 
    Details
    ISSN: 1573-4927
    Keywords: MX1 GENE ; WILD MICE ; IFN-ALPHA/BETA ; INFLUENZA VIRUS ; DNA SEQUENCE ; PCR-RFLV
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The mouse Mx1 gene encodes an interferon(IFN)-inducible nuclear protein and confers resistanceto influenza virus infection. The standard laboratorymouse strains all carry the Mx1- allele andare susceptible to influenza virus. In this study, severalmouse strains established from wild mice were tested todetermine their Mx1+ or Mx1-allele status with polymerase chain reaction-restrictionfragment length variation (PCR-RFLV), sequence analysis, reversetranscription (RT)-PCR, and immunofluorescence staining.All of the mouse strains originating from wild mice werefound uniformly to carry the Mx1+ allele.Therefore, it is conceivable that the Mx1+allele in wild populations serves a function againstsome pathogens related to orthomyxoviruses. The PCR-RFLVand sequence analysis allowed us to classify theMx1+ alleles of the laboratory and wild-origin mouse strainsinto distinct classes. RT-PCR and immunofluorescencestaining demonstrated that the Mx1 transcripts andproteins were induced by IFN-alpha/beta in macrophages from wild mouse species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018741312058
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  • 4
    Electronic Resource
    Electronic Resource
    Inhibitory effects of tunicamycin on cell-cell adhesion and cell reaggregation of the cellular slime mold,Polysphondylium pallidum (1996)
    Springer
    Journal of plant research 109 (1996), S. 193-199 
    Details
    ISSN: 1618-0860
    Keywords: Cell-cell adhesion ; Cellular slime mold ; Glycoprotein ; Polysphondylium pallidum ; Tunicamycin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract To assess the role in cell-cell adhesion of gp64, a putative cell-cell adhesion molecule ofPolysphondylium pallidum, we treated the cells with tunicamycin (TM), a known inhibitor of the synthesis of the N-linked oligosaccharide precursor, and examined TM's effect on cell-cell adhesion. The vegetative growth ofPolysphondylium cells was inhibited with TM in a dose-dependent manner. When cells were treated with TM (2.0 μg/ml) during only the first 4 hr of starvation and further starved for 8 hr without TM, the cells dissociated considerably, although even the growth phase cells ofPolysphondylium normally show EDTA-resistant (Ca2+-independent) cell adhesions. In parallel with the above effects, the amounts of intact gp64 decreased considerably in time with the lengths of incubation (0 hr〉4 hr 〉8 hr). When TM-treated cells were washed free of TM, and shaken for a further 12 hr, the cells began to aggregate again, accompanied by an increase of gp64. In conclusion, TM affected cell-cell adhesion ofPolysphondylium cells, but we were not able to distinguish whether the inhibition of cell aggregation was due to defects in glycosylation on glycoproteins and/or due to reduced levels of glycoproteins themselves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02344545
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  • 5
    Electronic Resource
    Electronic Resource
    Food habits of sika deer on the Boso Peninsula, central japan (1996)
    Springer
    Ecological research 11 (1996), S. 89-95 
    Details
    ISSN: 1440-1703
    Keywords: age variation ; Cervus nippon ; food habits ; local variation ; point-frame methods ; sexual variation ; sika deer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The rumen contents of sika deer (Cervus nippon Temminck) on the Boso Peninsula, central Japan, were analyzed to identify local, sexual and age-specific differences in food habits. Graminoids and woody plants were the primary foods throughout the year. In winter, the use of evergreen broad leaves increased. The food habits of sika deer on Boso Peninsula were intermediate between those of populations inhabiting northern and southern Japan. Acorns, mainlyLithocarpus edulis Nakai, were consumed in fall and winter with a peak in October. Since the availability of acorns is not influenced by foraging in previous years, it can be regarded as a stable food supply and hence may be important for deer on the Boso Peninsula. The local difference between the Amatsukominato (AT) area, having a large plantation ofLithocarpus producing acrons, and the Kamogawa-Katsuura (KK) area, having a small plantation ofLithocarpus, was recognized; seeds and fruit were consumed more in AT than in KK in fall and winter. Males consumed more seeds and fruit than females at both sites in fall. This can be attributed to sexual differences in nutritional requirement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02347823
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  • 6
    Electronic Resource
    Electronic Resource
    Stress disturbances arising from cut fibre and matrix in unidirectional metal matrix composites calculated by means of a modified shear lag analysis (1996)
    Springer
    Journal of materials science 31 (1996), S. 3861-3869 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A useful method to calculate stress disturbances arising from cut fibres is the so-called shear lag analysis, in which it is assumed that fibres act to carry tensile stress without transferring applied stress to the matrix, and the matrix acts to transfer stress to the fibres without carrying tensile stress. This assumption gives a limit for application. In the present work, with unidirectional metal matrix composites in mind, the usual two-dimensional shear lag analysis was modified to express the situation where both fibres and matrix act to carry applied stress and also to transfer stress. By using this modified method, tensile strain concentration in the fibres and matrix adjacent to cut fibres and matrix, and shear stresses at the interface between fibres and matrix, were calculated for some examples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00352803
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of pre-existent crack in double and gradient coatings on the crack extension into fibre and interfacial debonding (1998)
    Springer
    Journal of materials science 33 (1998), S. 347-355 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract When a crack is formed on a fibre surface by the premature fracture of the coating, crack extension into the fibre or interfacial debonding between fibre and coating occurs, affecting the strength of the coated fibre. In the present work, the influence of pre-existent crack in double and gradient coating layers on the crack extension and interfacial debonding was studied to find the condition to improve the strength of the coated fibre. It is shown that, in both types of coating, (i) the energy release rates for crack extension into the fibre and for interfacial debonding become low when the inner coating portion adjacent to the fibre has low Young’s modulus, while they become high when the inner portion has a high Young’s modulus, and (ii) the ratio of the energy release rate for debonding to that for crack extension into the fibre is approximately 0.3. These results suggest that the reduced fibre strength by crack extension into the fibre in the case of strong interfacial bonding can be raised by double and gradient coatings with reduced Young’s modulus of the inner coating portion. Alternatively it can be increased by weakening the interface so that the critical energy release rate for debonding is less than 0.3 times the critical energy release rate for crack extension into the fibre.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004363611865
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  • 8
    Electronic Resource
    Electronic Resource
    Reduction in energy release rate for mode I fracture of a fibre with a cracked coating layer due to small-scale interfacial debonding (1996)
    Springer
    Journal of materials science 31 (1996), S. 2027-2034 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In order to predict the effect of small-scale interfacial debonding on the energy release rate at a crack tip for mode I fracture of a fibre with a cracked coating layer, an approximate calculation method has been presented. The relation of debonding length, thickness of the coating layer and ratio of elastic modulus of the coating layer to that of the fibre, to the energy release rate of the fibre was calculated for some examples. It was demonstrated that small-scale debonding reduces the energy release rate and, therefore, effectively prevents reduction in fibre strength.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00356622
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  • 9
    Electronic Resource
    Electronic Resource
    Study on Temperature Dependence of Thermal Expansion Behavior of SiCw/Al Composite by Internal Stress Analysis (1998)
    Springer
    Journal of materials science 17 (1998), S. 1933-1935 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006660510785
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of whisker volume fraction on the coefficient of thermal expansion and thermal conductivity of SiCw/6061Al composites (1998)
    Springer
    Journal of materials science 17 (1998), S. 403-405 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006539318554
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