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  • Polymer and Materials Science  (2)
  • cell culture  (2)
  • 2,450-MHz microwaves  (1)
  • Aves  (1)
Source
Material
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    A test of the self-incubation hypothesis for desert birds that build a rampart of stones in front of their nests
    Amsterdam : Elsevier
    Journal of Thermal Biology 16 (1991), S. 255-260 
    Details
    ISSN: 0306-4565
    Keywords: Ammomanes deserti ; Aves ; Ground-nesting birds ; desert ; incubation ; nest temperatures
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0306-4565(91)90013-R
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Rapid isoenzyme analysis of cell cultures by agarose Electrophoresis (1982)
    Springer
    Methods in cell science 7 (1982), S. 107-110 
    Details
    ISSN: 1573-0603
    Keywords: cell culture ; species identification ; isozymes ; electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An enzyme electrophoresis method is described for determining and monitoring the species of cells in culture. Electrophoresis runs are completed in 25 min. The methods used are straightforward and do not require a large investment in preparation time or equipment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01665952
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Rapid isoenzyme analysis of cell cultures by agarose electrophoresis II. Intraspecies identification of human cell lines (1983)
    Springer
    Methods in cell science 8 (1983), S. 125-129 
    Details
    ISSN: 1573-0603
    Keywords: cell culture ; cell line identification ; isozymes ; electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An enzyme electrophoresis method is described for determining several isozyme phenotypes useful in monitoring and characterizing human cell lines in culture. Electrophoresis runs are completed in 25 to 40 min. The methods are straightforward and do not require a large investment in preparation time or equipment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01842707
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Gelation and fusion profiles of PVC dispersion resins in plastisols (1983)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 28 (1983), S. 807-822 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Poly(vinyl chloride) (PVC) plastisols are used for coatings, films, sheets, foams, and rotational castings. In order to satisfy the requirements for the different applications, a variety of PVC dispersion resins are manufactured. The requirements for the plastisols are many: for example, good air release, viscosity stability, fine particle size, foamability, and good heat stability. Processability is another important requirement, which emphasizes the rheological behavior at room temperature and the gelation - fusion behavior. This paper documents research to fingerprint the gelation and fusion profiles of various PVC dispersion resins. The viscoelastic measurements were used to continuously monitor the changes of moduli during gelation and fusion under a heating rate which simulates the temperature profile of the processes. The effects of molecular weight, resin type, and copolymer on the gelation-fusion behavior are discussed.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1983.070280232
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Viscoelastic characterization of PVC plastisol melts for foam applicationsThis paper was presented at a Symposium on PVC Foams, American Chemical Society National Meeting, Philadelphia, Pennsylvania, April 1975 (1976)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 20 (1976), S. 1187-1198 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Melt rheology and its time-temperature dependence have long been known to be fundamental properties associated with satisfactory expansion characteristics in vinyl foam. Since much is known about the relationship between rheology and material variables like polymer morphology and system composition, adequate rheological characterization should be quite helpful in polymer design and plastisol compounding.Earlier attempts to study the melt rheology of plasticized PVC foam systems were only partially successful because instrument limitations required that the material be studied at too high shear rate or temperature, or that behavior of specific compositions be extrapolated from data obtained at considerably higher plasticizer level.This paper deals with measurement of the viscoelastic behavior of melts from actual azodicarbonamide foam compositions. The Rheometrics Mechanical Spectrometer was used in the orthogonal mode to study both elastic modulus and loss modulus (viscosity) in the range of shear rates and temperatures which actually occur during commercial utilization of PVC foam compounds. The effects of changing vinyl resin types and plasticizer types and levels were explored.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1976.070200505
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    In vitro microwave effects on human neutrophil precursor cells (CFU-C) (1981)
    New York, NY [u.a.] : Wiley-Blackwell
    Bioelectromagnetics 2 (1981), S. 203-215 
    Details
    ISSN: 0197-8462
    Keywords: 2,450-MHz microwaves ; neutrophil ; colony-forming cells ; Life and Medical Sciences ; Occupational Health and Environmental Toxicology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Physics
    Notes: Human marrow cells were irradiated with 2450-MHz CW microwaves in a fluid-filled waveguide irradiation system. Cell exposure was conducted by placing a marrow cell suspension in 20-μl glass microcapillary tubes that were positioned in the exposure chamber, and irradiated at power densities from 31 to 1,000 mW/cm2 (with corresponding specific absorption rates of 62 to 2,000 mW/g) for 15 minutes. The temperature of the sample was maintained at a fixed point. Sham-irradiated (SI) and microwave-irradiated (MWI) cells were cultured in a methylcellulose culture system for neutrophil colony proliferation. There was no reduction in neutrophil colony number on days 6-7 or 12-14 in cells exposed at 31 or 62 mW/cm2, but as the power density was increased to 1,000 mW/cm2, there was a reduction in colony number of MWI cells compared with SI cells. The microwave interaction with the human neutrophil colony-forming cells was apparently not related to temperature rise, or to the state of cell cycle, and was irreversible.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bem.2250020302
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    Paper (German National Licenses)
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