Traditional way of synthesizing sensitive rhodamine starts with rhodamine B‚ amino compound‚ and some alkali additive in the presence of weak base. However‚ for RH-PY‚ the stearic hindrance of pyrene slows the reactivity‚ and the reaction does not go to completion. Therefore‚ the reaction procedure was modified as follows. First‚ HATU and DIPEA were used to activate the carboxyl group of rhodamine B‚ then the activated rhodamine B was reacted with 1-aminopyrene. By introducing this method‚ the reaction
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|Pharmacy | |Sr. No. |Core Areas |Percentage | |1. |Pharmaceutics |20% | |2. |Pharmaceutical Chemistry
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1. What is closed-end credit? Closed-end credit is a type of basic consumer credit where a one-time loan that you pay back over time in payments of equal amounts. 2. What is open-end or revolving credit? Open-end credit‚ also known as revolving credit‚ is loans made on a revolving basis with the repayment period not set. 3. What is collateral? Collateral is something such as a house that can be used to back up a loan. 4. What are smart cards? Smart cards are an innovative new type of card
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My journey to reading‚ writing‚ listening‚ and speaking. Learning how to read was a difficult task for me because I never was the reading type. My mother always pushed me to be the best I could be and reading wasn’t one. Having a strict well educated mother who puts my education above anything else has its perks. Every night she
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A Flight to Forget I was assigned this essay and wrote a really horrible first draft‚ which was a closed form essay. After our meeting I built off of one paragraph that you told me was the closest to a narrative. I went back to the drawing board and just turned it more into a story. A Flight to Forget 5 AM‚ and my alarm clock starts buzzing. I begin preparing for the long journey I am about to embark on. A 12 hour flight to Israel‚ I pack up my last few
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is the subject of many studies and investigations‚ such as William C. Dement and Christopher Vaughan’s paper‚ “Sleep Debt and the Mortgaged Mind‚” June J. Pilcher and Amy S. Walters’ article‚ “How Sleep Debt Hurts College Students‚” and Matthew Ashton’s‚ “A Greater College Debt.” Sleep debt is a massive problem; this idea is easily introduced in William C. Dement and Christopher Vaughan’s paper‚ “Sleep Debt and the Mortgaged Mind‚” with the explanation of the true cause of the Valdez incident‚ a
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Introduction: The purpose of this lab was to learn how to use salicylic acid to make aspirin. Aspirin is the most widely used over-the-counter drug in the world. The average tablet contains about 325 milligrams of acetylsalicylic acid with an inert binding material such as starch. Aspirin is used to relieve pain‚ reduce inflammation‚ and lower fever. Aspirin originally was derived by boiling the bark of the white willow tree. Although the salicin in willow bark has analgesic properties‚ purified
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COVER LETTER AND EXECUTIVE SUMMARY I am honored to submit this proposal from the group within Rhd Central Office Philadelphia. At this time we would like for other members of the RHD family to join us in promoting Financial Literacy for Individuals with Disabilities. We have recognized as well as embraced the ongoing initiative to promote independence amongst our disabled community. Our program will aid in this mission by incorporation a training module designed for our
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experiment‚ the hood in the lab was used. The curds were placed in a 100 mL beaker and extracted using 30 mL of ethyl acetate. The curds were crushed with a stirring rod. This extraction was then gravity filtered through a funnel fitted with the filter paper. A rubber policeman was used to scrape the beaker to get as much casein as possible. This casein was then put aside in the hood safely. Boiling chips were put into an Erlenmeyer flask along with the filtrate collected. This flask was then put inside
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Reaching 55 Foreword It’s almost your 55th birthday*. Now is a good time to look at your retirement finances and ensure you have a good plan when you retire. This booklet will help you understand the role your CPF savings are going to take. It provides information on the Minimum Sum Scheme‚ the CPF LIFE Scheme and related CPF matters. More importantly‚ it shows you how to make your CPF work harder for you‚ as you enter a new phase of your life. Happy 55th Birthday! Soh Chin Heng Deputy Chief
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