Give typing answer with explanation and conclusion Why 70% Alcohol is better than 100% Alcohol (as an antiseptic) to control the growth of bacteria?
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Give typing answer with explanation and conclusion
Why 70% Alcohol is better than 100% Alcohol (as an antiseptic) to control the growth of bacteria?
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- In detail, why 70% Alcohol is better than 100% Alcohol (as an antiseptic) to control the growth of bacteria?Give only typing answer with explanation and conclusion What is the final concentration, as a ratio strength, of ampicillin when 8 mL of ampicillin 100 mg/mL solution is added to a 50 mL bag of normal saline?Given this, if you used 6g of vitamin Z powder to make 20 ml of solution, what is the % concentration of this solution? (I gave the image since I don't know if that info is needed to solve this question.)It also gives a follow-up, if you can help here too: You work in a lab as a summer student. One of your tasks is to make sure that there is enough cell culture medium containing antibiotics to grow bacteria. One day you realize that there is only 5 ml of 10% Antibiotic stock solution in the freezer. You decide to use it all to prepare the working culture medium with 0.01% antibiotic. In the lab there is plenty of growth medium without antibiotics. (Note: dilution in medium is like dilution in water). You remember the equation to make dilutions of stock solutions. You usually use this formula to calculate the required volume of a stock solution, but you realize it can apply here as well, even though the unknown is the final volume. So, you make that dilution. Given that each bacterial…
- A vial of Doxorubicin reads 0•5g per vial. Instructions say to reconstitute each 12mg with 2•5ml of NS. How many ml of NS will be needed to reconstitute the vial of the recommended concentration? please show workingGive Detailed Solution with explanation(don't give Handwritten answer)ANSWER TO THE FOLLOWING QUESTION IN DETAIL What is the basic principle of GPC (gel permeation chromatography)?
- Many heavy metals are used in antiseptics. Explain the oligodynamic effect and provide a clinical example of the use of heavy metals.Give detailed Solution with explanation (don't give Handwritten answer, )The standard curve to determine the amount of betacyanin is shown below. You extracted a red pigment from a beet disc (the mass of a disc is 2 g) using 10 ml of 20% ethanol solution. You measured absorbance of the solution above the beet disc every minute for a total time of 20 minutes. The increase in absorbance was linear during a period of time from 1 min to 10 min. The absorbance at 10 min was 0.8. Calculate the amount of betacyanin extracted from 1g of a beet tissue per minute. Explain your calculations. You can use Excel or a calculator.
- Which is more effective as an antiseptic: ethyl alcohol or isopropyl alcohol? Choose only one and explain why.What is the oligodynamic effect? To which chemicals does the term oligodynamic effect apply? Give 2 examples of antiseptics based upon the oligodynamic effect.State the principle that underlies the following biochemical tests: a) Methyl red test