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  • Wiley-Blackwell  (111)
  • American Society of Hematology
  • Copernicus
  • 1965-1969  (119)
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  • 1
    Electronic Resource
    Electronic Resource
    A steam-sterilizable electrode of the galvanic type for the measurement of dissolved oxygen (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 11 (1969), S. 549-560 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: An oxygen probe is developed, using the principle of the silver-lead galvanic cell, covered with a plastic membrane. It is steam sterilizable while filled with water; after sterilization, water is easily exchanged for the electrolyte, potassium bicarbonate. Flat plastic membranes up to a thickness of about 0.1 mm can be applied. The membrane is secured and stretched in a special way, which guarantees a leakproof seal. The outer shape of the probe has a tulip-form and consists of polished stainless steel, except for the electrode face. The electrode is suitable for laboratory and industrial use and its components are completely standardized.Almost linear response for O2-partial pressures up to atmospheric is obtained with 0.001 in. and 0.002 in. FEP-Teflon membranes. 90% response time is of the order of 10-15 sec for the 0.001 in. membrane, Residual current is almost negligible (〈 1 μA).
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260110403
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  • 2
    Electronic Resource
    Electronic Resource
    Homogeneous cultivation of animal cells for the production of virus and virus products (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 11 (1969), S. 875-885 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Homogeneous technique facilitates the cultivation of large quantities of cells, reduces the risk of contamination by eliminating many manipulations, and makes practical the control of conditions such as pH and oxygen tension. Although most animal cells will not multiply in free suspension, certain cell lines have lost the requirement of being attached to a solid surface. These cells can be subcultured indefinitely but have some resemblance to cancer cells such as their abnormal karyotype. Certain cell linen developed from human embryonic tissue maintain their diploid character after repeated subculture and would seem to be ideal for the production of vaccines. However, strict regulations exist for viral products for human injection in that only cells taken from normal tissue and subcultured but once may be used.A microcarrier method in which cells adhere to DEAE-Sephadex beads permits a suspension culture which may be termed quasihomogeneous. The attached cells may be retained by sedimentation or by screening as the medium is replaced. Cell debirs from the original tissue is difficult to remove from microcarrier cultures; modifications of the trypsinization technique have alleviated but not solved this problem.Conditions for virus replication can be less critical than those for cell growth in that oxygen tension seems to have little influence on virus production. In cases where rate of virus production increases with specific growth rate of cells, homogeneous culture would have a advantage in maintaining a high cell mogeneous culture would have a valuble advantage in maintaining a high cell growth rate for a longer time. Some virus infections destroy cells, but others cause little change in cellular mteabolism except that virus is continually produced. The latter type can be conducted with a microcarrier in continuous culture with a virus titer exceeding 107 plaque forming units per milliliter for over 50 days with Rubella-infected BHK cells.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260110513
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  • 3
    Electronic Resource
    Electronic Resource
    Thermische Untersuchungen einiger Systeme. III Alkalihalogenid-Aluminiumhalogenid (1968)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 361 (1968), S. 328-332 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The systems RbCl—AlCl3 and CsCl—AlCl3 have been subjected to a thermal examination up to about 65 Mol-% alkali chloride. The existence of the compounds RbAlCl4 and CsAlCl4 has been shown.As KENDALL and coworkers in the systems NaCl—AlCl3 and KCl—AlCl3 found a miscibility gap below about 18 mol-% alkali chloride, we did an analogous observation in the now investigated systems.
    Notes: Die Systeme RbCl—AlCl3 und CsCl—AlCl3 wurden bis etwa 65 Mol-% Alkalichlorid thermisch untersucht. Es wurden die Verbindungen RbAlCl4 (c) und CsAlCl4 (c) gefunden. Wie KENDALL und Mitarbeiter in den Systemen NaCl—AlCl3 und KCl—AlCl3 fanden, gibt es auch in den beiden untersuchten Systemen eine Mischungslücke bis etwa 18 Mol-% Alkalichlorid.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19683610512
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  • 4
    Electronic Resource
    Electronic Resource
    Thermische Untersuchung einiger Systeme. I. Alkalihalogenid-Aluminiumhalogenid (1967)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 353 (1967), S. 93-102 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The systems RbCl—AlCl3, CsCl—AlCl3, LiI—AlI3, RbI—AlI3, CsI—AlI3 and NH4I—AlI3 have been subjected to a thermal examination. Besides 1:1 compounds in each case, NaAl2I7 and NaAl3I10 were also found. Contrary to calculations by KRIAGOVA the theoretical inference is that, in the alkali-aluminium halides, aluminium will have a tetrahedralsurrounding. Only in fluoride complexes also an octahedral surrounding is possible.
    Notes: Die Systeme RbCl—AlCl3, CsCl—AlCl3, LiJ—AlJ3, RbJ—AlJ3, CsJ—AlJ3 und NH4J—AlJ3 wurden thermisch untersucht. Außer allen 1:1-Verbindungen wurden noch NaAl2J7 und NaAl3J10 gefunden. Im Gegensatz zu den Berechnungen von KRIAGOVA ließ sich theoretisch folgern, daß in den Alkalialuminiumhalogeniden das Aluminium eine tetraedrische Umgebung hat; nur in den Fluoridkomplexen ist auch eine oktaedrische Umgebung möglich.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19673530113
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  • 5
    Electronic Resource
    Electronic Resource
    Maximale Wärmestromdichte und Wachstumsgeschwindigkeit von Dampfblasen in siedenden Zweistoff-Gemischen (1965)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 37 (1965), S. 509-517 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Versuchsmaterial über die Blasenverdampfung in siedenden Zweistoff-Gemischen wird durch Filmaufnahmen ergänzt, wobei das Wachstum der Dampfblasen mit einer Bildfrequenz von 6000 Bildern pro s gefilmt wird. In bestimmten Zweistoff-Gemischen ergeben sich für die Heizflächenbelastung sehr hohe Werte, die dadurch erklärt werden, daß die Wachstumsgeschwindigkeit der Blasen beim Durchqueren der überhitzten Flüssigkeit verringert wird. Der Bereich des Filmsiedens wird dann im Vergleich zu reinen Stoffen zu höheren Heizflächenbelastungen verschoben. Die Gemisch-Zusammensetzung, bei der die maximale Heizflächenbelastung auftritt, kann aus den Gleichgewichtsdaten des Gemisches mit guter Genauigkeit berechnet werden. Auch bei Dampfblasen, die noch am Heizdraht haften, und bei Unterkühlung der Flüssigkeit wird die Heizflächenbelastung in Gemischen größer als in reinen Stoffen.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330370508
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  • 6
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    The Effect of Preceding Blood Transfusions on the Fate of Homologous Bone Marrow Grafts in Lethally Irradiated Monkeys (1967)
    American Society of Hematology
    Details
    Publication Date: 1967-12-01
    Description: Attempts at bone marrow transplantation after total body irradiation in Rhesus monkeys which have received multiple blood transfusions leads only rarely to acceptance of the graft, whereas in animals that were not previously transfused, a take of the graft is the rule. Immunization against subsequent bone marrow transplants was not only observed after transfusions with blood from the future donor, but also after multiple transfusions from unrelated third-party donors. From these observations in monkeys it is concluded that many of the failures to observe a take of attempted bone marrow transplants in man may be related to the fact that the recipient had received multiple blood transfusions prior to transplantation.
    Print ISSN: 0006-4971
    Electronic ISSN: 1528-0020
    Topics: Biology , Medicine
    Published by American Society of Hematology
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    PAPER CURRENT
  • 7
    Electronic Resource
    Electronic Resource
    Effect of ethylamine treatment on the dielectric properties and crystallinity of cellulose. I (1965)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 9 (1965), S. 2639-2639 
    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
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1965.070090728
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  • 8
    Electronic Resource
    Electronic Resource
    A dynamic mechanical study of the effect of chemical variations on the internal mobility of linear epoxy resins (polyhydroxyethers) (1968)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 12 (1968), S. 2747-2747 
    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
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1968.070121223
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  • 9
    Electronic Resource
    Electronic Resource
    Study of the reaction of resorcinol, formaldehyde, and ammonia (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 13 (1969), S. 835-849 
    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: Latex dip adhesives for nylon and rayon tire cords are prepared by reacting resorcinol and formaldehyde in aqueous solution in the presence of a catalyst for a specified time and then adding a butadience-styrene-vinylpyridine latex. Ammonia improves the stability of the latex and increases the adhesion of rubber to cord. However, a white precipitate forms if ammonia is added before the resorcinol and formaldehyde have reacted sufficiently. This paper is study of the nature of this precipitate and the conditions for its formation. By measuring the heat of reaction of formaldehyde and ammonia and, subsequently, of mixtures of formaldehyde and resorcinol to which varying amounts of ammonia were added, information on the reaction mechanism has been obtained. Ammonia reacts rapidly with formaldehyde to form an unstable intermediate, presumably trimethylolamine, which then reacts further with resorcinol to form trisdihydroxybenzylamine. This compound is also very reactive and condenses withmore ammonia and formaldehyde to give a polymer of low solubility, the composition depending on the amounts of ammonia and formaldehyde available for reaction. Elemental analyses support this concept. Primary and secondary amines react in a maner similar to ammonia.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1969.070130503
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  • 10
    Electronic Resource
    Electronic Resource
    Stock temperature measurement in plastifying equipment (1967)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 7 (1967), S. 98-109 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    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
    Additional Material: 19 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760070208
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