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What does the abbreviaton "EI" stand for?
Which of the following transitions will exhibit the shortest wavelength in the UV-Vis spectrum?
An to p*
Bs to s*
Cp to s*
Dn to s*
Ep to p*
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- blackboardcdn.com/5bfc08ba3fldc/14683296?X-Blackboard-Expiration=16245468000008X-Blackboard- 19 / 47 100% 1.4. Functions of the light mlcroscope parts Complete the following table by writing the function(s) of each of the parts indicated. Structure Function Diaphragm / iris Stage opehing Lamp Objective lenses Eye piece Coarse and find adjustment knobs Stage Stage rack prt sc delete home backspace lock enter pause t shiftConsider a bi convex lens with radius of curvatures |R1| = 30 mm and |R2| = 180 mm, ct = 5 mm and glass is N-BK7. This is used as camera lens in order to image a man who is at 1 km away from the camera. We want to resolve 10 cm on his body. Assume that λ = 550 nm. Using zemax, determine the MTF value for the resolution of R = 80 lp / mm in image plane which is placed at paraxial focus. (Hint: First, find the diameter of the lens) Which one: a.32.1 % b.28.7 % c.12.3 % d.58.5 % e.46.8 % f.57.2 % g.20.9 % h.15.6 %The figure above depicts an agar cube with a side length of 13\, \text{mm}13mm13, start text, m, m, end text. In an experiment, students submerged the cube in red dye for 121212 hours. The red dye permeated 1\, \text{mm}1mm1, start text, m, m, end text on each side, as indicated by the shading in the figure. Volume of a rectangular solid: V = lwhV=lwhV, equals, l, w, h Calculate the volume of the agar cube that remained unpenetrated by the red dye.
- Why is control of column and detector temperature more important for non- suppressed IC (Ion Chromatography) than it is for suppressed IC?Name two radioisotopes used within the medical imaging processes, one administered by inhalation and one used by intravenous injection. For both of these radioisotopes, what are their half-life and what is the relevance of that to why it is used? What are both of these specific use in diagnostic imaging?What are they treating?A solution containing two different fluorescent compounds, Ben and Jerry, were analyzed for their individual concentrations in the mixture. Standards of pure Ben and pure Jerry were prepared at a concentration of 500.0 mM and were run in a UV-Vis Spectrophotometer to determine their absorption properties. Absorbance Wavelength Compound Ben 500 mM Compound Jerry 500 mM 400 nm 0.137 0.136 450 nm 0.312 0.113 500 nm 0.154 0.078 550 nm 0.076 0.079 600 nm 0.227 0.148 650 nm 0.230 0.230 700 nm 0.151 0.357 750 nm 0.157 0.246 800 nm 0.154 0.154 A standard curve of the standards was also prepared to help determine the concentration of each component in the solution. The solution produced an absorbance reading of 0.486 at the Amax of Ben, and 0.463 at the Amax of Jerry. STD CURVE BEN Amax Ben Amax Jerry STD CURVE JERRY Amax Ben Amax Jerry CONC (mM) ABS ABS CONC (mM) ABS ABS 100 0.074 0.025 100 0.037 0.074 200 0.148 0.057 200 0.081 0.148 400 0.284 0.103 400 0.164 0.284 800 0.607 0.218 800 0.287…
- The following is an UV-Vis schematic diagram. Based on this diagram, answer the following questions: D2 Lamp (B) Detector Light Source (A) Sample What are the components labelled as (A) and (B)? Briefly explain the functions of them.Draw a UV-Vis spectrum for each protein (shown in the table below) (A, B, C, and D) from 240 – 480 nm if they were all present at 20 µM.In less than 10 words, answer the following question. What would happen if you increased the MALDI-ToF laser pulse length from 1 ns to 1 ms?
- 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.Listen Name the Medical Imaging modalities, which utilizes ionizing radiation. Paragraph B I 三v = + v computed tomography, Nuclear medicine, Ouestion 5 (2 points).