INEPT 1)What happened in the first 90 degree pulse ? 2)What does anti-phase magnetization?(use product operator) 3)When coherance transfer occur ? 4)What coherances can be observed.
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Chemistry
INEPT
1)What happened in the first 90 degree pulse ?
2)What does anti-phase magnetization?(use product operator)
3)When coherance transfer occur ?
4)What coherances can be observed.
Step by step
Solved in 2 steps with 2 images
- Explain the underlying physical principles in the creation of image contrasts for the following two processes of image contrasts for the following two procedures. (a) Magnetic resonance tomography (b) X-ray-computed tomographyPlease provide the mechanisms of the active transport of nano carriers used for crossing the blood brain barriers with detailed explanation and requirement needed to cross the blood brain barriers (what types of structures of the compounds, sizes). I want clear handwritten solution only....i will up votea. State TWO (2) advantages of Inductively coupled plasma-optical emission spectroscopy (ICP-OES) over Flame atomic absorption spectroscopy (FAAS).b. What are the TWO (2) advantages of graphite furnace AAS (GFAAS) over flame AAS (FAAS)?c. What is one of the main disadvantages that most flames used in AAShave?
- Which of the following is/are true about fluorescentmicroscopy?(a) Fluorescent microscopes use an infrared light source(b) Fluorochromes are sometimes necessary to visualizecellular structures or cells(c) Antibodies can be “tagged” with fluorescent mole-cules to help visualize and prove the presence of theircorresponding antigen or foreign substance, such as amicrobe in a blood sample(d) a, b, and c(e) b and c(f) None of the above5. A tissue plasminogen activator (TPA) ophthalmic solution is prepared to con- tain 25 µg/100 μL. (a) Calculate the percentage concentration of TPA in the solution. (b) What volume of a solution containing TPA, 50 mg/50 mL, should be used to prepare each 100 μL of the opthalmic solution? 5. (a) 0.025% w/v TPA (b) 0.025 mLNanoparticles were added in a liquid to prompt the medication release, and it was observed that 5 mg of the medication was released in 1 liter of PBS, which accounted for 60% of the total amount of the drug. While producing an equivalent number of nanoparticles, 5 ml of 10 mg ml−1 of the drug was added. What is the efficiency of encapsulation?
- This is about Beer-Lambert’s Law and UV-vis Spectroscopy: 1) How does a solution interact with light?2) How are absorbance and transmittance related? 3) How do you make an absorbance spectrum?True or FalseA) Generally, in pulse oximetry, two light-emitting diodes (LEDs) are used, one at NIR near the isobetic wavelength at 650 nm and the other at ∼ 800 nm (red). ……………… ……………………B) Most of the total hemoglobin (THb) is in the form of HbO2 or HbR, HbCO and metHb are usually <10% of THb. …………………………………..C) Most pulse oximeters are accurate to ±2% in the normal physiological range of 70% to 100% oxygen saturation. ……………………………D) Transcutaneous pulse oximetry (TPOX) is an NI mode used to estimate the percent O2 saturation of Hb in peripheral blood using spectrophotometric techniques. …………………………………………Magnetic Resonance Imaging (MRI) Explain briefly the mechanism of Magnetic Resonance Imaging (MRI) and how is Ampere's Law applied in such.
- What is the chemistry principle behind when (treatment: heavy cream) is subjected to CHILLED TEMPERATURE? What is the effect in beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83Both spotlights SPOTLIGHT#1 and SPOTLIGHT#2 are place at 20 meters from the stage. You want to produce a circle of light of 1 meter diameter with the SPOTLIGHT#1and a circle of light of 2 meters diameter with the SPOTLIGHT#2Consider 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 %
