distinguish between antiseptics and disinfectants. Are the terms interchangeable? explain quantitative and qualitative proceedure in effects of chemicals in microbial populations.
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distinguish between antiseptics and disinfectants. Are the terms interchangeable?
explain quantitative and qualitative proceedure in effects of chemicals in microbial populations.
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- Describe the advantages and disadvantages of aldehyde agents in microbial control.In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down under the category: a) For “autoclaving” only, B) For Dry heat oven sterilization ,And C) Can be sterilized with either. Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-mL graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-mL beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass droppera) Microbial products can be classified in three major categories which related to the microorganism growth curve. By giving examples of product based on the three major categories, sketch the microbial growth and product formation curves. Describe the phases involves in the growing of microorganism for the products formation. List all references with proper citations.
- Distinguish between the term’s sterilization, disinfection, antiseptics, and decontamination. Describe the circumstances in which these terms may be used.Z-germicSide is an antimicrobial agent. Based on the given data set below, describe how effective Z-germicSide is as a disinfectant. Name of disinfectant Z-germicSide Phenol KEY: No growth, += Growth Dilution 1:100 1:125 1:150 1:175 1:200 1:95 1:100 1:105 1:110 1:115 Growth after 5 mins + + + + + + Growth after 10 minutes + + Growth after 15 mins + +What is the importance of employing aseptic techniques? Give an example of a situation in the laboratory that might happen when this method is not practiced. Compare and contrast antiseptic and disinfectant. How would you propose to reduce or eliminate aerial contamination inside the laboratory?
- List the microbial targets of disinfecting chemicals, how that affects the microbe, and provide one example of a chemical agent that affects that structure.Name the desirable characteristics of chemical control agents.Distinguish between a sterilant, a disinfectant, and anantiseptic. What is cold sterilization?