Instruction. Deduce the structure of the compounds based on the information below. Prepare a PowerPoint presentation to discuss your answer. Hint: Compound A is UV active and shows a broad signal at around 3400 cm-1 in its IR spectrum. 235.1708 100- 90- 80 80 70- Relative Abundance 40 40 50 50- 60- 60 30 30- 20- 20 271.1473 10- 311.1692 325.1847 379.1565 471.3483 200 250 300 350 400 450 500 m/z Fig.1 MS Spectrum of compound A
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- 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.Complete the table by calculating the theoretical yield of SLT-88 and the percent yield of SLT-88. Round your amounts to the nearest milligram and your percentages to the nearest whole percent.The Cavity Ring-Down Spectroscopy (CRDS) technique offers greater sensitivity compared to other conventional spectroscopy techniques. Explain the underlying mechanism of this.
- Prepare a schematic diagram and present it. The Figure should illustrate the interactions made between the key components of total and non-specific binding reactions in drug bindings. In preparing this figure, it should reflect on the role of each of the components of the reaction mixtures, and why the subtraction of non-specific from total binding allows us to calculate specific binding. The Figure Legend should be brief but informative.Please type or write clear so I can see thanksPlease type answer not write by hend
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- Please help Can wearing a mask, limiting public spaces capacity, and having travel restrictions be justified because of Covid-19? Just a question not a writing assignment.A flat (not spherical) tissue engineered skin (thickness 2.5 mm) is attached to the bottom of a dish and cultured with cell media atop it (which has an oxygen concentration of 0.15 mol/m3). The diffusivity of oxygen in the skin is 3.4 E-9 m2/s, and according to experiments that you’ve performed, you want to make sure that the concentration of oxygen in the device doesn’t fall below 0.06 mol/m3. (Below that concentration harms the cells.) The rate of oxygen consumption is -5.9 E-17 mol/[cell◦s]. What is the maximum cellularity (in cells/mL, three significant digits) that this tissue engineered skin can support?PART III - Table 3: Absorption Spectrum Data for Spinach Chloroplast Extract Absorbance Wavelength 620 nm 0.147 640 nm 0.058 660 nm 680 nm 700 nm 720 nm Wavelength 380 nm 400 nm 420 nm 440 nm 460 nm 480 nm Absorbance 0.759 0.923 Questions: 1.095 1.075 0.833 10.520 Wavelength 500 nm 520 nm 540 nm 560 nm 580 nm 600 nm 0.054 0.066 0.094 123 Graph: Plot the absorbance data on the graph below. Remember TAILS. Absorbance · 163 ·19 4 •514 · 166 1012 ·003 1. Your graph should have two "peaks." At the highest of the two, what wavelength was most strongly absorbed by the chloroplast pigments? What wavelength corresponds the top of the second peak? What wavelength was least absorbed by the chloroplast pigments? 2. Based on your observations, which wavelength (color) of light might be expected to generate the lowest rate of photosynthesis? 91