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We have used SAR as an estimate of purity. How else could you test for purity of the phycocyanin sample? Briefly outline the steps to be taken
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- How else could you test for purity of the phycocyanin sample? Briefly outline the steps to be takenDifferentiate Wintrobe from Westergreen regarding the accuracy of the test in a tabulated order. Why do men have lower ESR values than women?What is the clinical significance of ESR determination? Differentiate Wintrobe from Westergreen regarding accuracy of the test in a tabulated order. NOTE: Kindly asnwer all the questions. Thank you!
- What non-titrimetric method can be used to determine the iodine value of edible oil? Discuss its basic principles and general methods involved.Why is it important that the agarose is exposed to ethidium bromide, which is either added to the gel itself or mixed to the staining solution? Explain the principle behind its use.Differentiate Wintrobe from Westergreen regarding accuracy of the test in a tabulated order.
- Discuss the correct laboratory technique in using the centrifuge for qualitative analysis. Give two tips on its proper use. Explain how calcium ions are confirmed present in a solid salt by using flame test. Discuss a method to confirm the presence of a) phenol and b) ketone in a test compound. How are proteins confirmed present in a sample? Explain the laboratory process.On a paper, draw a schematic diagram on the Extraction of Flavonoids using the procedures stated below. Procedure: Extraction of Flavonoids Weigh 10 g of the shade dried plant sample and chop into small pieces. Macerate with 200 mL 70% ethanol for 3 days at room temperature (25°C). Filter the extracts in vacuum using Whatman filter. Evaporate to dryness. Weigh the residue and compute the percentage yield.What is the phenol red test? Please explain the testing and its results and the chemistry behind it? Please explain for a beginners level. Thank you
- You have to prepare an agarose solution for gel electrophoresis. How many grams of agarose powder do you need in order for you to make 50mL of 1% agarose solution?Following electrophoresis of the two pGlo mini-preparation samples (both digested and undigested), the following agarose gel image was obtained. provide an accurate and detailed figure, describing the image and what it depicts.Gel used in electrophoresis is/are: a. Agarose gel b. Polyacrylamide plain gel c. Polyacrylamide SDS impregnated Polyacrylamide gel (Sodium dodecyl sulphate)