57. A sample of white petrolatum contains 10 mg of tocopherol per kilogram as a pre- servative. Express the amount of tocoph- erol as a ratio strength.
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![57. A sample of white petrolatum contains 10
mg of tocopherol per kilogram as a pre-
servative. Express the amount of tocoph-
erol as a ratio strength.
57. 1:100,000 w/w tocopherol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45631b76-92ed-4621-943e-a0001c817b2f%2F6bcc86c0-c03f-4c73-bdfe-30326a90a20e%2Ftnj53c_processed.png&w=3840&q=75)
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- 34. A dermatologic lotion contains 1.25 mL of liquefied phenol in 500 mL. Calculate the percentage (v/v) of liquefied phenol in the lotion. 34. 0.25% v/v liquefied phenolYou have a sample at 50 ng/ul and you would like to load 400ng of this sample on a lane of an agarose gel. You also have TE buffer as diluent and 6x loading dye. Your total sample should be 12ul. Calculate the amounts of each reagent necessary to prepare this sample for gel loading.From a 50% solution of dextrose, make 500 ml of a 5% solution
- Aspergillus can be used to produce α-amylase (α-AM), which is an enzyme that hydrolyzes the glycosidic bonds in starch molecules into maltose (disaccharide). Pure α-AM has a specific activity of 56.00 U/mg. The α-AM is secreted into the culture media during production (after 5 days, production is complete). Following, the Aspergilluscells are separated by centrifugation and discarded. The culture supernatant (with α-AM) is filtered giving a clarified supernatant with a volume of 100.0 L, activity of 3.00 U/mL, and total protein concentration of 0.650 mg/mL. After purification, the product stream (7.50 L) contains α-AM (25.00 U/mL) and a total of 6.788 x 103 mg total protein. Calculate the following: Concentration of total protein (g/L) and total units of activity in the clarified supernatant and purification product stream. Specific activities (U/g) of the clarified supernatant and purification product stream. Consider significant figures in your answers (may want to use scientific…A mixture of dipeptides consisting of Lys-Gly, Thr-His, Ser-Leu, Glu-Gln was applied to column packed with cation-exchange resin at pH 6.0. Which of these dipeptides would be eluted from the column first? O Lys-Gly first O Thr-His first O Ser-Leu first O Glu-Gln first OA mixture of Thr-His and Ser-Leu first55. An ophthalmic solution is preserved with 0.0008% (w/v) of an antibacterial. Ex- press this concentration as a ratio strength. 55. 1:125,000 w/v
- The original concentration in a sample of kombucha is 2.79 x 10^6 CFU/ml. Which dilution would yield a countable plate? How would you make this? Show your calculations. Confused as to what's implied by "which dilution"? does it mean, how many times?A solution is tested with three indicators and it has a pH of 9.8. Identify the colours of the following indicators: alizarin yellow R color:yellow,orange or red thymol blue: yellow,orange,blue or red bromothymol blue: yellow, green or blueessential oils have been studied as potential antimicrobial agents. These naturally occuring compounds are linked to having the following type of activity in clinical trials: virucidal, septicidal, bactricidal, fungicidal
- Now prepare a 500 ml media having ¼ strength MS with 5mM BAP, 5.5 mg/l Kn and coconut water 10%. Stocks are MS Macro 10X, micro 20X, FeEDTA 10X, Organic 100X, BAP and Kn 5gm/100ml. If you need anything else then you add accordingly. BAP has a MW of 225.3. Sucrose and Myo-inositol is not mentioned in the question. These you need to add. Consistency of the medium is also mentioned.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 workingRosemary essential oil stimulates circulation and thins the blood, which is beneficial for arteriosclerosis and high cholesterol. The best method of application for these conditions is