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describe special characteristics in the analytical techniques of natural products
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- 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 dropperMany culture media produce colorful solution due to the presence of which are water soluble organic compounds that change color whenever there is a change in pH. Enumerate the indicators used, indicate the tests where they are used and give their specific reactions.Write the names of at least 4 different natural sources containing cellulose and compare them by considering the chemical content, physical properties and usage advantages in terms of the textile industry.
- Write down the materials , reagents ,instruments, principle and procedure for Grocott’s hexamine silver techniqueMany culture media produce colorful solutions due to the presence of which are water soluble organic compounds that change color whenever there is a change in pH. Enumerate the indicators used, indicate the tests where they are used and give their specific reactions.Write the materials, reagents, Principle and procedure for the Periodic acid Schiff technique
- Choose the best biomaterials (Metal, Polymer, Ceramic) for the following applications with the at least three reasons.A culture medium is comprised of the following components: 0.5% peptone, 0.3% meat extract, 1.5% agar, and distilled water. If you are asked to prepare 765 mL of culture media, how much meat extract would you need?Explain Chromatography Techniques in measuring food contaminants.