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  • 1
    Electronic Resource
    Electronic Resource
    Studies on the purification of vaccinia virusIn conducting the research reported herein, the investigators adhered to “Principles of Laboratory Animal Care,” as established by the National Society for Medical Research. (1964)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 321-328 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Various methods for the removal of extraneous matter from vaccinia virus suspensions are described and compared. Of ten procedures tested, differential centrifugation and Freon extraction were the most successful. Both the partially purified suspensions and the dried products prepared from them had high virus titers in embryonated eggs and high infectivity for mice. Although both processes resulted in products with the same titers, the differentially centrifuged product was approximately tenfold more purified as shown by the percentage solids of the suspensions before freeze drying.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260060307
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Growth of mouse fibroblast-like cells in an autoclavable medium (1968)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 10 (1968), S. 61-67 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A relatively simple, autoclavable medium was developed that would support the growth of the mouse fibroblast (MFL) cell line in suspension culture. This medium was prepared in three stages with decreasing quantities of serum. As the serum was reduced from 5% to none, the amount of Bacto-Peptone was increased from none to 0.5%. The reduction and finally elimination of serum did not affect proliferation adversely, but actually seemed to produce more rapid growth and higher levels of cell population.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260100105
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Studies with dried airborne vaccinia virus in a small environmental chamber (1968)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 10 (1968), S. 151-157 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Dried vaccinia virus was found to be very stable in aerosol form in our chamber at a temperature of 75°F and a relative humidity (RH) of 85% when the virus was protected with 1.5% lysine, 1.5% sodium glutamate, 0.5% isoniazid, 0.5% thiourea, and either 2.5% heart infusion broth (HIB) or a combination of 3.75% lactose plus 1.25% raffinose prior to freeze-drying. Utilization of the Environmental chamber technique resulted in (a) selection of two diluents which protected vaccinia virus against the effects of high relative humidity, (b) measurement of the effect of various chemical additives in the diluents, and (c) quantitative measurement of the moisture absorbed by the various dried products.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260100204
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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