What is the color-change in the LAMP reaction based on? Would it matter if a test person drank a glass of soda/lemonade right before the test? Suggest 2 practical actions that would circumvent this potential pitfall.
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What is the color-change in the LAMP reaction based on? Would it matter if a test person drank a glass of soda/lemonade right before the test? Suggest 2 practical actions that would circumvent this potential pitfall.
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Solved in 3 steps
- Would you expect the results from the MAC test to corroborate the results from the EMB test? Explain why or why not.Provide a chemical test/reagent that would differentiate each of the following pairs of compounds. Also, for each test, indicate the compound (write only the corresponding CAPITAL LETTER) that would give the positive result, and the indication(s) for a positive result. ОН ОН 1. and A -CEC-H and 2. B HO CH3 OH 3. and B AExplain in your own words how the ISO 10993-5 test (performance test) is applied to the patient turning apparatus shown in the figure, and guess how the expected result will be. The main part of the product consists of a polyurethane sponge. Stain-proof upholstery fabric will be used as the outer surface material. In addition, there are heating pads working with the logic of electric blankets in this apparatus, please answer by taking these into account when answering.
- The following image is a scheme for serial dilutions prepared for spectrophotometric analysis. If the stock solution concentration is 0.05 % (v/v) can you calculate the other tube’s concentrations in % v/v? I've used this with direct dilutions, how would I use this on serial dilutions?In UV/Visible spectrophotometer analysis for a multicomponent system, there are only two dyes used in the mixture, the two proportions should be totalled to 1.0. but on finding You got 0.6 in total. Explain the reasons for the difference.The BSA stock solution from the previous problem was then diluted to generate a set of standard solutions of known concentrations. After performing biuret assay on these solutions, their absorbance at 540 nm were measured using a UV-vis spectrophotometer. The following data were obtained. Concetration of BSA Absorbance (mg/mL) 0.1 0.048 0.2 0.095 0.4 0.191 0.6 0.290 0.8 0.380 1.0 0.485 Calculate the (a) Linearity constant (r), (b) y-intercept, (c) Slope, and (d) Protein content of an unknown sample having an absorbance of 0.325.
- The significance of using immersion oil when using 1OOX objective lens is The significance of using immersion oll when uskng 100X objective lens is: It will increase the contrast by having same refractive index as the lens, loss of light by refraction, reflection and diffraction is minimized. the specimens need not be killed, fixed and stained more light is captured for better illumination, allowing the specimen to fluoresce i. il. iii. iv. A light microscope should have the following features contrast Resolution magnification fluorescence ii. iv.You have carried out an experiment using the spectrophotometry concept. A solutioncontaining compound X is mixed with reagent 1 and then reagent 2. This mixture produces ablue colour whose absorbance (A) could be read at 550 nm. The results are shown below. If the standard solution (compound X) used have a concentration of 1 mM:1. Calculate the quantity of the standard compound X in μmoles for each test tube (1-7).Discuss sabin feldman dye test.
- In the spectrofluorometric analysis of quinine, which of the following statements/phrases can be considered a factor level? A. Concentration of 2 ppm of iodide B. Concentration of quenchers C. The use of iodide D. Use of QuenchersLead nitrate Stock Solution— Dissolve 159.8 mg of lead nitrate in 100 mL of water to which has been added 1 mL of nitric acid, then dilute with water to 1000 mL. Standard Lead Solution— On the day of use, dilute 10.0 mL of Lead Nitrate Stock Solution with water to 100.0 mL. Standard Preparation— Into a 50-mL color-comparison tube pipet 2 mL of Standard Lead Solution, and dilute with water to 40 mL, and mix. Test Preparation— Into a 50-mL color-comparison tube dissolve 1.0g ascorbic acid (mol wt 176.12) in 25 mL of water, dilute with water to 40 mL, and mix. Procedure— To each of the two tubes containing the Standard Preparation, the Test Preparation, add 2 mL of pH 3.5 Acetate Buffer, then add 1.2 mL of thioacetamide–glycerin base TS, dilute with water to 50 mL. Mix, allow to stand for 2 minutes, and view downward over a white surface. The color of the solution from the Test Preparation is not darker than that of the solution from the Standard Preparation. The colour is formed when…Which of the following scientists use this X-ray crystallography?
