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  • Elsevier  (24)
  • Wiley-Blackwell  (8)
  • American Society of Hematology  (3)
  • 2015-2019  (13)
  • 1990-1994  (22)
  • 1
    Electronic Resource
    Electronic Resource
    Actin-binding protein is a component of bovine erythrocytes (1993)
    New York, NY : Wiley-Blackwell
    Cell Motility and the Cytoskeleton 24 (1993), S. 100-108 
    Details
    ISSN: 0886-1544
    Keywords: actin-binding protein ; filamin ; erythrocytes ; membrane skeleton ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Actin-binding protein (ABP) is a well-characterized polypeptide capable of crosslinking filamentous actin. To date, this polypeptide has been shown to exist in a number of tissues and cultured cell lines. This report shows that by using a panel of three monoclonal antibodies for immunoblotting and immunofluorescence analysis, that ABP is present in bovine erythrocytes. Moreover, the data obtained suggest that this protein is a component of the erythrocyte membrane skeleton. Additionally, bovine erythrocyte ABP is shown to possess both an apparent molecular weight and an isoelectric point identical to that of bovine smooth muscle filamin, implying that these two polypeptides are identical. © 1993 Wiley-Liss, Inc.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cm.970240203
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  • 2
    Electronic Resource
    Electronic Resource
    Rapid carbothermal reduction of boron oxide in a graphite transport reactor (1991)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 37 (1991), S. 759-768 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Uniform submicron crystals of B4C, boron-enriched boron carbide, and B4C/TiB2 composite powders have been synthesized continuously by rapid carbothermal reduction at approximately 2,200 K in a 0.14 m ID × 1.68 m long pilot-scale graphite transport reactor. A unique reactor design allowed for continuous feeding of a meltable boron oxide containing precursor, rapid heating rates that completed the carbothermal reduction reaction in seconds, and an expanded cooling that allowed for the precipitation in space of volatile excess boron oxides. Powder morphology resembled that of powder synthesized by laser pyrolysis of gaseous reactants. Rapid heating rates and minimized reaction times at high temperatures promoted nucleation with limited crystal growth. Dense parts fabricated from these powders had fine grains and extreme hardness.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690370513
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  • 3
    Electronic Resource
    Electronic Resource
    Kinetics of carbothermal reduction synthesis of beta silicon carbide (1993)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 39 (1993), S. 493-503 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Carbothermal reduction kinetics to synthesize SiC is studied under conditions of high carbon/silica precursor heating rates (105 K/s) and minimized reaction times (s) over a wide temperature range (1,848≤T≤2,273 K). The reaction mechanism includes rapid formation of a gaseous SiO intermediate. Further carbon reduction of the SiO to SiC is reaction-rate-controlling. Carbon crystallite diameter, d, has a substantial influence on the rate of reaction and the size of synthesized SiC. Fractional oxide conversion, X, can be described by a contracting volume shrinking core model: \documentclass{article}\pagestyle{empty}\begin{document}$$ k = \frac{{1 - (1 - X)^{1/3} }}{t} = \frac{{k_o }}{d}\,\exp \,(- E/RT) $$\end{document} where k0 = 27.4 m/s and E = 382±34 kJ/mol.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690390311
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  • 4
    Electronic Resource
    Electronic Resource
    Sorption and transport of pure gases in random styrene/methyl methacrylate copolymers (1990)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 28 (1990), S. 2079-2102 
    Details
    ISSN: 0887-6266
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Previous work has shown that permeability coefficients for CO2 can increase with pressure for poly(methyl methacrylate) (PMMA); whereas, those for polystyrene decrease slightly as found for many glassy polymers. This response is attributed to a greater propensity for PMMA to be plasticized by CO2. This issue is considered in detail here by examining the behavior of a series of random styrene/methyl methacrylate copolymers in order to learn how the plasticization response varies with MMA content. At low pressure, the sorption and transport of CO2 and other gases in these copolymers depend on copolymer composition in ways expected from simple theories for multicomponent polymers. The change in CO2 permeability coefficient upon pressurization from 1 to 20 atm ranged from -6% for polystyrene to +57% for poly (methyl methacrylate). Furthermore, upon holding at 20 atm of CO2 driving pressure, there was a significant increase in the CO2 permeability coefficient with time for PMMA; whereas this conditioning effect was much smaller for polystyrene. Conditioning and plasticization effects seem to be related to the same molecular causes. The responses change progressively for the copolymers but not directly in proportion to MMA content. The greater effects of CO2 for PMMA are, to a significant extent, but not entirely, due to its much higher level of CO2 sorption compared with that of polystyrene. The results are discussed in terms of relevant theories.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1990.090281114
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  • 5
    Electronic Resource
    Electronic Resource
    Sorption and transport of pure C02 and CH4 in miscible bisphenol chloral polycarbonate/poly (methyl methacrylate) blends (1990)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 28 (1990), S. 2103-2117 
    Details
    ISSN: 0887-6266
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Sorption and permeation behavior of CO2 and CH4 was examined in detail for a series of miscible blends based on bischloral polycarbonate (BCPC) and poly (methyl methacrylate) (PMMA). The former pure polymer exhibits decreases in the permeability coefficients for both CO2 and CH4 as the upstream driving pressure increased as predicted by the dual-mode sorption model. On the other hand, PMMA shows a decrease for CH4 but an increase for CO2. The latter is attributed to plasticization by this more soluble gas. The blends show intermediate behavior. CO2 permeation was examined on pressurization, at constant pressure for two weeks, and then on depressurization. The pattern of behavior progressively deviated between that of BCPC and PMMA as the MMA content of the blends was varied. These trends were contrasted with those previously described for a series of styrene/methyl methacrylate copolymers. Some differences in behavior between the blends and the copolymers were noted when compared at constant MMA content. These results have important ramifications for the design and selection of polymers for membranes to separate the CO2/CH4 gas pair.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1990.090281115
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  • 6
    Electronic Resource
    Electronic Resource
    Kinetics of CO2 conditioning of copolymers and blends containing MMA units (1990)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 28 (1990), S. 2213-2223 
    Details
    ISSN: 0887-6266
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Long-term, high-pressure CO2 permeation experiments were conducted for styrene/methyl methacrylate (SMMA) random copolymers and bischloral polycarbonate/poly (methyl methacrylate) miscible blends to investigate the effects of gas conditioning. The extent and rate of CO2 permeability changes with time increased dramatically with content of MMA units in both series when compared at a constant upstream CO2 pressure of 20 atm. The higher solubility of CO2 in PMMA than polystyrene or the polycarbonate was found to be responsible for a part but not all of this response as shown by isobaric versus isoconcentration experiments. The rate of conditioning cannot be described by a single relaxation time. The conditioning process discussed here seems to be intimately connected to the plasticization process reported earlier for these same systems.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1990.090281204
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  • 7
    Electronic Resource
    Electronic Resource
    The interaction of a submerged axisymmetric shell and three-dimensional internal systems (1994)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 37 (1994), S. 2951-2970 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The problem of axisymmetric shells submerged in an infinite fluid subjected to an arbitrary loading is usually solved by reducing the system to a set of two-dimensional problems. This is accomplished by using Fourier series, thereby uncoupling the circumferential harmonics of the axisymmetric system. Thus, a computationally expensive three-dimensional solution is replaced by a computationally efficient set of two-dimensional solutions without any loss of accuracy. However, with the addition of arbitrary three-dimensional subsystems internal to the submerged axisymmetric shell, the circumferential harmonics become coupled. In this case, the computational advantage attributable to the circumferential Fourier decomposition compared to a fully three-dimensional solution is greatly reduced.This paper introduces a novel method to solve such three-dimensional systems while keeping the circumferential harmonics of the axisymmetric shell uncoupled. This is accomplished by relating the admittance matrix of the three-dimensional substructure, expressed in terms of its connection degrees of freedom, and the response of the empty system to solve for the interaction forces between the axisymmetric shell and the internal system. Using these interaction forces, the response of the full system can be obtained, Thus, the efficiency of the two-dimensional solution is maintained while solving an arbitrary three-dimensional problem. Sample problems illustrating the performance of this approach will be solved.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620371707
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  • 8
    Electronic Resource
    Electronic Resource
    Rotational isomerism in 5-amino-6-(N-methylformamido)-as-triazin-3(2H)-one (1990)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 28 (1990), S. 505-509 
    Details
    ISSN: 0749-1581
    Keywords: 1H DNMR ; Rotational isomerism ; 6-Azapurin-2-ones ; 6-Azapyrimidin-2-ones ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A 1H dynamic NMR study of the hindered rotation in 5-amino-6-(N-methylformamido)-as-triazin-3(2H)-one was conducted. Signals for two rotamers were observed and their proton chemical shifts were assigned. It was found that the rotamer in which the as-triazine ring is cis to the formyl hydrogen predominates. The free energies of activation for hindered rotations about the N —CHO and C —NH2 bonds were determined by 1H NMR line-shape analysis.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260280607
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  • 9
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    Modeling fecal coliform bacteria—II. Model development and application (1993)
    Elsevier
    Details
    Publication Date: 1993-04-01
    Print ISSN: 0043-1354
    Electronic ISSN: 1879-2448
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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  • 10
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    Failure characterization of tools coated with hard compound coatings (1994)
    Elsevier
    Details
    Publication Date: 1994-12-01
    Print ISSN: 0257-8972
    Electronic ISSN: 1879-3347
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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