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  • 1
    Publication Date: 2014-10-10
    Description: Langmuir DOI: 10.1021/la502483u
    Print ISSN: 0743-7463
    Electronic ISSN: 1520-5827
    Topics: Chemistry and Pharmacology
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  • 2
    Publication Date: 1989-09-01
    Description: The structure and function of transcription factors of higher plants was studied by isolating cDNA clones encoding a wheat sequence-specific DNA binding protein. A hexameric nucleotide motif, ACGTCA, is located upstream from the TATA box of several plant histone genes. It has been suggested that this motif is essential for efficient transcription of the wheat histone H3 gene. A wheat nuclear protein, HBP-1 (histone DNA binding protein-1), which specifically binds to the hexameric motif, has previously been identified as a putative transcription factor. A cDNA clone encoding HBP-1 has been isolated on the basis of specific binding of HBP-1 to the hexameric motif. The deduced amino acid sequence indicates that HBP-1 contains the leucine zipper motif, which represents a characteristic property of several eukaryotic transcription factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabata, T -- Takase, H -- Takayama, S -- Mikami, K -- Nakatsuka, A -- Kawata, T -- Nakayama, T -- Iwabuchi, M -- New York, N.Y. -- Science. 1989 Sep 1;245(4921):965-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, Faculty of Science, Kyoto University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772648" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; DNA-Binding Proteins/*genetics ; *Genes ; Genes, Regulator ; Histones/*genetics ; Information Systems ; *Leucine ; Methylation ; Molecular Sequence Data ; Nuclear Proteins/*genetics ; Nucleic Acid Hybridization ; Plants/*genetics ; *Transcription, Genetic ; Triticum/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 164 (1989), S. 387-393 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 737-745 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 16 (1997), S. 1590-1592 
    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
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  • 6
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: In finite element stress analysis, the principal interfacial stress at a tensile bond strength of 10 MPa during tensile loading was estimated for the resin composite/dentine material including the bonding area with elastic moduli of 0.03, 0.3, 3.0 and 12.0 GPa assumed in this study. Interfacial stress along the resin composite/bonding area interface or bonding area/dentine interface increased with increasing elastic modulus. The interfacial stress distributed non-uniformly and locally at the most sensitive sites, that is, the edge of the resin composite/bonding area interface with the lowest elastic modulus (0.03 GPa) and the edge of bonding area/dentine interfaces with other elastic modulus values (0.3, 3.0 and 12.0 GPa). The maximum value of interfacial stress increased linearly with increasing elastic modulus of bonding area from 0.03 to 12.0 GPa. This study showed that the distribution of interfacial stress was highly non-uniform along the interfaces of the bonded areas in dentinal adhesives.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 3 (1992), S. 329-332 
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: Abstract A parameter study with use of the finite-element method (FEM) was conducted for the determination of the setting expansion of gypsum-bonded investment. In this study the FEM was applied to the setting expansion within an elastic ring, and the results of FEM analysis were compared with the values measured and the values analytically obtained. The agreement of the results was clarified when the step number for calculation was increased. The present formulae appear to be reasonable for comparison of the value for setting expansion.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 24 (1989), S. 3065-3068 
    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 The setting expansion of gypsum-bonded investment has been measured within an elastic ring, and the equation to calculate the setting expansion has been obtained considering the effect of the mechanical properties of the ring and the ring radii on the setting expansion values. The result conclusively demonstrates that the calculated setting expansion values agree with the level measured for gypsum-bonded investment. The expansions calculated according to the equation below and those measured in an acrylic ring agree fairly well $$\begin{gathered} U_i (r,t) = \frac{{rLE'}}{{1 - \nu '}}\left[ {1 - exp\left\{ { - \frac{{1 - \nu '}}{{E'}}\frac{{a_0 }}{L}\left[ {1 - exp\left( { - kt} \right)} \right]} \right\}} \right] \hfill \\ L = \frac{{(1 - \nu )A^2 + (1 + \nu )B^2 }}{{E_r (B^2 - A^2 )}} \hfill \\ \end{gathered} $$ whereE′ = 5 kg cm−2,ν′ = 0.2,α 0 = 0.009, andk = 0.032 min−1,A andB denote the inner and outer radii, andν andE r Poisson's ratio and Young's modulus of the ring, respectively.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 32 (1997), S. 3621-3627 
    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 Achievement of a controlled stress distribution in feldspathic porcelain is essential for successful dental restorations. In this study, a program for visco-elastic finite element analysis (FEM) of the stress distribution produced during processing of porcelain was developed. This method was applied to simulate the stress change in porcelain discs that were subjected to convective cooling. The heat transfer coefficient was assumed to be 2.1 μJ mm-2 min-1 °C-1 at the surface of the discs. These discs were 2 mm in thickness and had radii varying between 4.8 and 38 mm. As the discs cooled from their sintering temperature, stresses initially developed at about 600°C. Residual tensile stress of 8.3 MPa was produced at the centre of the top surface of a 16-mm diameter disc compared with a compressive stress of −7.6 MPa for a 50-mm diameter disc.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 24 (1989), S. 3059-3064 
    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 The values of setting expansion of investment under uniaxial stress have been determined at conditions designed to obtain the difference of setting expansion between that parallel to the loading direction and that perpendicular to the loading axis. The setting expansion curves were represented by $$a(t) = a_0 (1 - P/E')[1 - exp( - kt)]$$ along the loading direction and $$a(t) = a_0 (1 + \nu 'P/E')[1 - exp( - kt)]$$ perpendicular to the loading direction, wherea(t) is a setting expansion,a 0 = 0.009,ν′ = 0.2,E′ = 5 kg cm−2,k = 0.032 min−1,P applied stress, andt the time (min). On the basis of these results, a method to estimate the value of setting expansion under restrictive force was developed. According to this method, the setting expansion of the investment could be calculated by substitutingϱε/ϱt forε, ka 0 exp (−kt)/E′ for 1/E, ν′ forν, andka 0 exp (−kt) forαT in the theory of elasticity.
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