'Thermal death time' diaporamas de présentation

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Sterilization and Disinfections Dr. Saeed Naser - Eldin Saeed

Sterilization and Disinfections Dr. Saeed Naser - Eldin Saeed

Sterilization and Disinfections Dr. Saeed Naser - Eldin Saeed. Sterilization. Killing or destroying A ll forms of living microorganisms from objects. (bacteria and their spores). Sterilization is an absolute term means - germ free objects. Disinfection:

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782 views • 49 slides
Control of Microorganisms

Control of Microorganisms

Control of Microorganisms. Definitions Conditions Influencing Antimicrobial Activity Physical Methods Chemical Agents Preservation of Microbial Cultures. Definitions. Sterilization: A treatment that kills or removes all living cells, including viruses and spores, from a substance or object

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853 views • 44 slides
Chapter 7: Control of Microbial Growth

Chapter 7: Control of Microbial Growth

Chapter 7: Control of Microbial Growth. Control of Microbial Growth: Introduction Early civilizations practiced salting, smoking, pickling, drying, and exposure of food and clothing to sunlight to control microbial growth.

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804 views • 36 slides
Control of microbes in foods

Control of microbes in foods

Control of microbes in foods. Keeping them out Physically removing them Preventing their growth Killing them. General observations about microbial control. Cells in log phase are more susceptible to injury More effective when fewer microbes are present

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465 views • 31 slides
Control of Microbial Growth

Control of Microbial Growth

Control of Microbial Growth. Chapter 7. History. Humans vs. Microbes infections diseases plagues epidemics pandemics. Nursery Rhyme. Ring- a - ring of rosies Pocketful of posies Achoo ! Achoo ! We all fall down. Bubonic Plague or the Black Death.

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518 views • 29 slides
Control of Microbial Growth

Control of Microbial Growth

Basic techniques in Microbiology 104. Control of Microbial Growth. S M Bakhtiar Ul Islam Microbiology ( BSc. & MSc.) University of Dhaka BD Molecular Biology (MSc.) Umea University SE Email: smbakhtiar@gmail.com. April, 2012. Lecture 27 , April , 2012.

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307 views • 17 slides
Control of Microorganisms

Control of Microorganisms

Keeping things clean. Control of Microorganisms. Outline. Sterilization, Disinfection and the Bar Ways Control Agents Work Factors that Affect Control Agents Physical Control Agents Chemical Control Agents Sensitivity to Control Agents. How clean is clean?. Sterilization

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356 views • 15 slides
PHYSIOLOGICAL CHARACTERISTICS (GROWTH REQUIREMENTS)

PHYSIOLOGICAL CHARACTERISTICS (GROWTH REQUIREMENTS)

MARK RODRIGO D. MENDROS R.M.T , MT(ASCP- i ), MSMT (units). PHYSIOLOGICAL CHARACTERISTICS (GROWTH REQUIREMENTS). PHYSIOLOGICAL CHARACTERISTICS (GROWTH REQUIREMENTS) NUTRITIONAL REQUIREMENTS A. Autotrophic or Lithotropic B. Heterotrophic or organotrophic i . saprophyte

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264 views • 5 slides

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