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what is the role of singlet oxygen in photodynamic theraphy . give 10 points in detail
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- In kool aid chromatography, what factors affect the efficiency of the column? Also discuss the Van-Deemter equation.Explain how acetaminopen gives such spectroscopic and chromatographic graph by interpreting the peaks that appeared in the graphs. Fig1. Mass Spectrometric Chromatogram of Acetaminophen (the two graphs) Fig2. IR Spectrograph of AcetaminophenExplain why is absorption used for studying the dyes, while fluorescence is used for studying the quantum dots?
- What are the underlying physical principles of paper chromatography? What is spectrophotometry, the essence of it?What are the processes of concentrate samples analysis in Uv-visible spectroscopy? Please shortly answer at your own words(3-4 lines).Briefly discuss why increased chlorination of organic compounds increases the recalcitrance or stability of the molecule in the environment.
- briefly explain the principle behind this technique; affinity chromatography using a diagram to illustrate.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? 91What is the difference between Raman Spectroscopy and SERS ( Surface Enhanced Raman Spectroscopy).