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How much agarose need for 40 mls of 1.5%w/v gel
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- Advantages and disadvantages of the following dosage forms: ○ Tablets○ Capsules○ Syrups○ Suppositories○ EmulsionsAgarose gels can vary from 0.8 to 2% explain why we use different gel percentages50 mg/50 ml kinetin stock is available You need 2.5 mg/l kn for Ms media calculate amount of kn is required? Explain the role of surface sterilising chemicals in aseptic culture initiation and function of sucrose in MS medium?
- Example of a Protein Purification Scheme: Purification of the Enzyme Xanthine Dehydrogenase from a Fungus Volume Total Total Specific Percent Fraction (mL) Protein (mg) Activity Activity Recovery 1. Crude extract 2. Salt precipitate 3. Ion-exchange chromatography |4. Molecular-sieve chromatography 5. Immunoaffinity chromatography 3,800 22,800 2,460 0.108 100 165 2,800 1,190 0.425 48 65 100 720 7.2 29 40 14.5 23 1.8 275 152.108 11 Calculate the specific activity of step#4. Note that percent recovery=% Yield.Rx Clindamycin phosphate 4% w/v Propylene glycol 12.9% w/v Purified water 11% w/v Isopropyl alcohol ad 244 mL (Sp.G. = 0.880) Ft. clindamycin gel Sig.: Place thin layer onto affected areas How many grams of isopropyl alcohol are present in a clindamycin gel that has 76 mL of purified water? Assume negligible volume shrinkage as result of mixing these ingredients. Answer: 415.2 (please show all work) ANSWER IS ALREADY GIVEN PLEASE SHOW WORK IN DETAIL HOW IT COMES15.5 R Erythromycin Lactobio- nate Dexamethasone Sodium Phosphate Glycerin 500 mg 100 mg 2.5 mL Sterile Water for Injec- tion ad M. ft. Ophthalmic Solution 100 mL (a) What is the percentage strength of erythromycin lactobionate in the prescription? (b) If glycerin has a specific gravity of 1.25, what is its concentration (w/v) in the prescription? 15. (a) 0.5% w/v erythromycin lactobionate (b) 3.125% w/v glycerin
- Advantages and disadvantages of the following dosage forms:○ Suspension○ Parenteral Solutions○ Creams○ Pastes○ SpraysPenicillin G potassium 5000 units Isotonic Sodium Chloride Solution ad 15 mL Sig. Nose drop Using soluble penicillin tablets, each containing 100,000 units of crystalline penicillin G potassium, explain how you would obtain penicillin G potassium needed in compounding the prescription.Rx Of oxacinophtalmic solution 3% Disp. 10 mL How many milligrams of axacin contained in each milliter of the dispensed prescription?
- 80mL of a 0.3M solution of hexapeptide Leu-His-Cys-Glu-Asn-Arg is adjusted to pH=pI. The solution is then titrated with 0.2M HCL to a final pH of 2.1. Sketch the titration curve, labelling the pH and volume axes. Indicate the volume of HCL needed to reach relevant pKa value and equivalence point(s)z Relevant pKa values are: 2.1, 4.3, 6.0, 8.3, 9.8, and 12.5.A 40 umol.l-1 solution of flavin mononucleotide (FMN) gave an absorbance of 0.8 at 470 nm using a 1 cm cuvette. What is the molar extinction coefficient of FMN in M-1 cm-1?Part a. You making 30 mo of agarose gel. Sybersafe A concentration 1000x. How much you will add......ul to the gel. b. You will be loading 20 your diagnostic digest onto your gal. The loading dye you have been provided is 5x concentrated. You will add..... ? ul to your sample before loading your gel.