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UNIT 3 FUNGI-VIRUS-DISINFECTANTS SEMESTE
- 1. UNIT 3 Study of morphology, classification, reproduction/replication and cultivation of Fungi and Viruses
- 2. INTRODUCTION TO FUNGI • It is a group of eukaryotic micro-organism • All fungi are aerobic in nature (except some yeast which are facultative anaerobic) • They divide asexually, sexually or by both processes • They may be unicellular or multicellular • The branch of science which deals with the study of fungi is called Mycology
- 3. CLASSIFICATION OF FUNGI 1. Depending on the cell morphology, fungi can be divided into 4 classes: Dimorphic fungi Yeast like fungi Yeast Molds
- 4. CLASSIFICATION OF FUNGI Deuteromycetes Basidiomycetes Ascomycetes Zygomycetes 2. Depending on their spore formation:
- 5. Depending on the cell morphology, fungi are divided as:
- 6. 1. MOULDS • Fungi which form mycelia or hyphae are called molds/filamentous fungi • It contains multiple identical nuclei • They are strictly aerobic and optimum temperature for growth is 22 ºC -28 ºC • Reproduce through small spores by sexual or asexual mode form
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- 38. 3)
- 59. DISINFECTION
- 66. Classification and Mode of Action of Disinfectants SAME AS UNIT II Chemical Sterilization Techniques (Refer Slides 68-78 from UNIT II ppt)
- 67. Factors influencing disinfection 1. Concentration of disinfectant 2. Temperature 3. Time of exposure/contact 4. pH of environment 5. Formulation of Disinfectant 6. Chemical structure of disinfectant 7. Type and no. of micro-organisms present 8. Interfering substances in the environment
- 75. Evaluation of Disinfectants • The common methods used for the evaluation of disinfectant are as follows: 1. Tube Dilution Method 2. Agar Plate Method 3. Filter Paper & Cup-plate method 4. Phenol Coefficient Method 5. Kelsey Skye's Method
- 86. 5. Kelsey Skye's Method
- 87. STERILITY TESTING OF PRODUCTS (Solids, Liquids, Ophthalmic and other Sterile Products) AS PER IP, BP & USP
- 92. ASSIGNMENT 1 1. WRITE THE STERILITY TESTING OF PRODUCTS AS PER BP & USP 2. WRITE A NOTE ON EVALUATION METHODS OF DISINFECTION 3. EXPLAIN THE LYTIC CYCLE OF VIRUS 4. WRITE A NOTE ON IMViC TEST (Submission Date: 9th December)