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Typical aeration rates for aerobic fermentation are
Aerobic fermentations require the continuous addition of considerable quantities of sterile air (see Chapter 9). The broadly quoted aeration rate used in a typical fermentation is one volume of air per volume of medium per minute. Thus, a 100 m3 antibiotic fermentation may need up to 100 m3 of steriRead more
Aerobic fermentations require the continuous addition of considerable quantities of sterile air (see Chapter 9). The broadly quoted aeration rate used in a typical fermentation is one volume of air per volume of medium per minute. Thus, a 100 m3 antibiotic fermentation may need up to 100 m3 of sterile air per minute.
See lessThe destruction of microorganisms by steam may be described as
Expert-Verified Answer. The correct answer is option B. The destruction of microorganisms by steam may be described as a First Order Chemical Reaction. A chemical reaction may be classified as zero order, first order or second order chemical reaction.
Expert-Verified Answer. The correct answer is option B. The destruction of microorganisms by steam may be described as a First Order Chemical Reaction. A chemical reaction may be classified as zero order, first order or second order chemical reaction.
See lessThe moist heat is more effective than the dry heat because the intrinsic heat resistance of vegetative cells is greatly
Clinically, it has been shown that moist heat penetrates deep tissue faster than dry heat. Therefore, in home use chemical moist heat may be more efficacious than dry heat to provide pain relief and reduce tissue damage following exercise DOMS.
Clinically, it has been shown that moist heat penetrates deep tissue faster than dry heat. Therefore, in home use chemical moist heat may be more efficacious than dry heat to provide pain relief and reduce tissue damage following exercise DOMS.
See lessThe radius of the filter with a depth of 14 cm required for a volumetric airflow rate of 10 m3/min is approximately
The radius of the filter with a depth of 14 cm required for a volumetric airflow rate of 10 m3/min is approximatelyA.1.6 m
The radius of the filter with a depth of 14 cm required for a volumetric airflow rate of 10 m3/min is approximatelyA.1.6 m
See lessThe mechanical means of accomplishing sterilization of fermentation media/equipment is
Strategies for the bulk sterilization of fermentation media include in situ steam injection of a full charge of nonsterile medium in the fermenter, or steam conduction through attemperation jackets in agitated fermenters. Alternatively, the media and vessels may be sterilized separately before fermeRead more
Strategies for the bulk sterilization of fermentation media include in situ steam injection of a full charge of nonsterile medium in the fermenter, or steam conduction through attemperation jackets in agitated fermenters. Alternatively, the media and vessels may be sterilized separately before fermentation.
See lessThe K used in the equation for X10=2.303/K depends upon
The K used in the equation for X10=2.303/K depends upon - 10298
The K used in the equation for X10=2.303/K depends upon – 10298
See lessThe highest temperature which appears to be feasible for batch sterilization is
The highest temperature, which appears to be feasible for batch sterilization is 121°C so the procedure should be designed such that exposure of the medium to this temperature is kept to a minimum. The nutrients might get depleted if there is a long exposure.
The highest temperature, which appears to be feasible for batch sterilization is 121°C so the procedure should be designed such that exposure of the medium to this temperature is kept to a minimum. The nutrients might get depleted if there is a long exposure.
See lessThe heated medium passes through a holding section, which is usually maintained in
The heated medium passes through a holding section, which is usually maintained in., For organisms growing in a chemostat, the specific growth rate.
The heated medium passes through a holding section, which is usually maintained in., For organisms growing in a chemostat, the specific growth rate.
See lessThe collection efficiency by the inertial impaction mechanism is the function of
The efficiency is modeled as a function of the ratio of aerosol stopping distance to the radius of the collector droplet, referred as the inertial impaction parameter, given in Eqs.
The efficiency is modeled as a function of the ratio of aerosol stopping distance to the radius of the collector droplet, referred as the inertial impaction parameter, given in Eqs.
See lessSterilization can be carried out by
It can be achieved by high-pressure steam (autoclave), dry heat (oven), chemical sterilants (glutaraldehydes or formaldehyde solutions) or physical agents (radiation). Because sterilization is a process, not a single event, all components must be carried out correctly for sterilization to occur.
It can be achieved by high-pressure steam (autoclave), dry heat (oven), chemical sterilants (glutaraldehydes or formaldehyde solutions) or physical agents (radiation). Because sterilization is a process, not a single event, all components must be carried out correctly for sterilization to occur.
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