Experiment #1: Separation of Acid‚ Base‚ and Neutral Compounds from a Solid Mixture by Liquid-Liquid Extraction Introduction Liquid-liquid extraction is a technique used to separate chemical substances in order to purify or identify the various components of a mixture. Flavors‚ spices‚ perfumes‚ and medicines are just some of the everyday things that are extracted from plants and other natural sources [1]. The basic principle used to carry out this separation is the mixing of two liquids that are
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Ordering System for Delivering “Assay-Ready” Compound Plates for Drug Screening Biochemistry and Molecular Biology‚ Merck Frosst Centre for Therapeutic Research‚ 16711 TransCanada Hwy.‚ Kirkland‚ Quebec‚ Canada H9H 3L1; Phone: +1.514.428.3360; E-mail: christine_brideau@merck.com Abstract Many bottlenecks in drug discovery have been addressed with the advent of new assay and instrument technologies. However‚ storing and processing chemical compounds for screening remains a challenge for many
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J.Natn.Sci.Foundation Sri Lanka 2013 41 (4): 309-318 DOI: http://dx.doi.org/10.4038/jnsfsr.v41i4.6058 RESEARCH ARTICLE Use of biochemical compounds in tea germplasm characterization and its implications in tea breeding in Sri Lanka J.D. Kottawa-Arachchi1*‚ M.T.K. Gunasekare2‚ M.A.B. Ranatunga1‚ P.A.N. Punyasiri3 and L. Jayasinghe1 Tea Research Institute of Sri Lanka‚ Talawakelle. Coordinating Secretariat of Science‚ Technology & Innovation‚ 3rd Floor‚ Standard Charterd Building‚ Chatham
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BUSINESS AND SUPPORT SYSTEMS INDIVIDUAL PROJECT 4 Managing with Web 2.0 1. How do Web 2.0 tools help companies manage knowledge‚ coordinate work and enhance decision making? According to the article‚ companies have introduced the importance of Web 2.0‚ tools such as blogs‚ wikis and social networks as means to increase communication within the company and improve productivity in the workforce. Several companies from around the world have observed that these tools are effective in transmitting
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Abstract An experiment was conducted to determine the effect of the allelopathic compounds of Encelia Farinosa (brittle bush) on desert native annuals and non-native seed germination. The experiment was set up by putting native wild flower seeds in six Petri dishes and lettuce seeds in six different dishes. To three of each dish containing the different seeds‚ water was added as a control. To the three other dishes‚ a prepared brittle bush tea (filtered ground brittle bush leaves and water) was
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Author: Tony Pehrson Supervisor: Thomas Danborg and Anders Hederstierna Department: School of Management‚ Blekinge Institute of Technology Course: Masters’s thesis in business administration‚ 10 credits. Background and Problem Discussion: Skövde Kommun is a public organization and one of many tasks is to provide help and service to the aged and handicapped in the city. This is done through the administration for care. After many years with poor economic performance the politicians in
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The Headmaster and his Assistants‚ Members of Stuff‚ Outgoing Prefects‚ Seniors‚ Fellow Student. I deem it very distinguished to stand before you at this instant to present my manifesto as an incoming school prefect for this grand institution of the Tescans. "Prefects are birds of passage" Seniors‚ kindly permit me to go on a memory lane. Last year in an occasion like this our outgoing prefects stood before us to read their manifestoes as the term of office was due to be handed over to them. As
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PERFLUORINATED COMPOUNDS: PERSISTENT‚ PESKY POLLUTANTS PRESENCE IN ARCTIC ENVIRONMENT AND WILDLIFE‚ LEADING TO PRESENCE IN HUMAN BLOOD SERUM J. Horton CHEM 422- Environmental Chemistry 4th of May‚ 2012 1 I N TR O D U CTI O N Perflurorinated compounds (PFCs) are heterogeneous organic compounds that have a partially or fully fluorinated alkyl chain‚ which can range from four to fourteen carbons and can have other functional organic groups attached. PFCs are mostly the products of industrial
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Washington on 01 February 2011 Published on 01 January 1959 on http://pubs.rsc.org | doi:10.1039/JR9590000551 113. The Organic Chemistry of the Transition Elements. Part I. Tricarbonylchromium Derivatives of Aromatic Compounds. By B. NICHOLLS M. C. WHITING. and Many aromatic compounds‚ ArH‚ displace carbon monoxide from chromium hexacarbonyl with the formation of complexes Cr(CO)‚(ArH) (I). These are stable and may carry any of several functional groups. The effects of the metallic residue upon typical
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EMPOWERMENT? DOES EMPOWERING A SUBORDINATE NECESSARILY MEAN THAT THE PERSON GRANTING POWER IS LOSING POWER? CAN AN ACT OF EMPOWERMENT INCREASE A MANAGER OR LEADER’S POWER? CONTENTS 1.0 OVERVIEW OF THE ASSIGNMENT 1 1.1 Background 1 1.2 Scope of Discussion 2 1.3 Objectives 2 2.0 EMPOWERMENT IN THE BUSINESS ORGANIZATION 3 2.1 Understanding Empowerment 3 2.2 Steps of Empowerment in the Organization 5 3.0 DOES EMPOWERING A SUBORDINATE LEADS TO THE LOSING OF POWER OF
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