Develop an equation for calculation of pressure as a function of the number of passes through the homogenizer. What factor(s) did you take into consideration when selecting the number of passes? Escherichia coli cells are lysed with the same homogenization, is this organism gram-positive or gram-negative? What impact does increasing the value of the constant, a, have on the required number of passes at a given pressure? What factors impact the value of a? If fine cell debris after homogenization makes subsequent solid-liquid separation difficult, what would you recommend?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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  1. Develop an equation for calculation of pressure as a function of the number of passes through the homogenizer.
  2. What factor(s) did you take into consideration when selecting the number of passes?
  3. Escherichia coli cells are lysed with the same homogenization, is this organism gram-positive or gram-negative?
  4. What impact does increasing the value of the constant, a, have on the required number of passes at a given pressure? What factors impact the value of a?
  5. If fine cell debris after homogenization makes subsequent solid-liquid separation difficult, what would you recommend?
1. Bacillis brevis are lysed using a valve-type homogenizer. The extent of disruption
depends on the applied pressure and the number of passes through the homogenizer
chamber and can be described by the equation, In(1 - R) = -kN pa
Transcribed Image Text:1. Bacillis brevis are lysed using a valve-type homogenizer. The extent of disruption depends on the applied pressure and the number of passes through the homogenizer chamber and can be described by the equation, In(1 - R) = -kN pa
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