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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Electrophoresis 16 (1995), S. 1295-1300 
    ISSN: 0173-0835
    Keywords: Triticum ; Secale ; Hordeum ; Two-dimensional polyacrylamide gel electrophoresis ; Phylogenetic relationships ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Two-dimensional gel electrophoresis of shoot proteins was used to study the relationships between Triticum, Secal, and Hordeum. A high level of polymorphism was found among the 1275 spots scored: only 198 spots were found common to all. But, under the hypothesis that only allelic variations were observed, the mean number of alleles per locus was only two. Phenograms were built from different distance indices. All of them showed Triticum genomes A and D close to each other, Hordeum, far from the Triticum cluster, and Secale at an intermediate position. A discussion on the use of various distance indices is presented.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Particle and Particle Systems Characterization 12 (1995), S. 68-74 
    ISSN: 0934-0866
    Keywords: Chemistry ; Industrial Chemistry and Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Process Engineering, Biotechnology, Nutrition Technology
    Notes: An overview of Electro-Magnetic Tomography (EMT) using mutual inductance measurements is presented. The paper reviews the technique and principle of operation and gives a description of three case studies, which cover some of the generic design considerations and which illustrate the potential variety for inductive EMT systems. Results from the systems are described. These systems are presently experimental and possible future developments and applications are discussed.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Microcolumn Separations 7 (1995), S. 199-206 
    ISSN: 1040-7685
    Keywords: micellar electrokinetic chromatography ; capillary electrophoresis ; bile salts ; metal-ligands ; chiral separations ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: We have utilized micellar electrokinetic chromatography with sodium deoxycholate micelles to separate the enantiomers of bis(8-((pyridine-2-methylene)amino)quinoline)iron(II) hexafluorophosphate, Fe(PMAQ)2(PF6)2, bis(8-((pyridine-2-methylene)amino)lepidine iron(II) hexafluorophosphate, Fe(PMAL)2(PF6)2, and bis(1-(2-pyridinyl)ethylidine)-8-aminoquinoline iron(II) hexafluorophosphate, Fe(PEAQ)2(PF6)2. The influence of 13 water miscible organic additives on the resolution of each pair of enantiomers was investigated. Significant changes in resolution are seen depending upon the particular organic additive used in the separation buffer. In addition, the effects of acetone concentration on the resolution of these enantiomers in bile salt solution was investigated. Resolution for all three pairs of enantiomers is maximized in a buffer solution containing 15% acetone. © 1995 John Wiley & Sons, Inc.
    Additional Material: 7 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 57 (1995), S. 265-270 
    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: Nylon 6 fibers were annealed in air at 160°C for periods ranging from 1 to 10 h. Their spectral reflectance values were measured. Color parameters, including luminance factor, dominant wavelength, purity, and the color difference between annealed nylon 6 fiber samples and unheated ones were calculated. The observed variations in the colors of samples were assumed due to the thermal and oxidation degradations. The behavior of the color parameters with heating duration was compared with the general kinetic curve of thermooxidative degradation of polymers and the match between them is discussed. The color difference ΔE values is recommended for monitoring the thermooxidative degradation of nylon 6 fibers. © 1995 John Wiley & Sons, Inc.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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