CHAPTER I The Problem and the Background Introduction According to Bruce-Gregorios (2006)‚ “chelating agents are substances which combine with calcium ions and other salts (e. g. iron and magnesium deposits) to form weakly dissociated complexes and facilitate removal of calcium salt.” Chelating agents are organic compounds capable of linking together metal ions to form complex ring-like structure called chelates. Chelators act according to a general principle: the chelator forms a complex with
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EXERCISE 3: DIFFERENTIAL PROTEIN PRECIPITATION Vanessa Andrea Estepa University of Mindanao‚ College of Science and Mathematics ABSTRACT: Denaturation is the disruption in the original conformation of the protein wherein the secondary‚ tertiary and quaternary structures are all affected. Denaturation is brought about by various kinds of physical and chemical means; this includes the addition of strong acids‚ heavy metal cations‚ alkaloidal reagents‚ salting out and addition of organic solvents.
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THINGS TO KNOW ABOUT MALUNGGAY: Malunggay Scientific Name : Moringa Oleifera Also known as: "Malunggáy" in Philippines‚ "Sajina" in India‚ "Shojne" in Bengal‚ "Munagakaya" in Telugu‚ "Shenano" in Rajasthani‚ "Shevaga" in Marathi‚ "Nuggekai" in Kannada‚ "Drumstick Tree‚ Horse Radish Tree‚ Ben Oil Tree" in English‚ "La mu" in Chinese. Malunggay (Moringa Oleifera)‚ is a popular plant known for nutritional value as well as a herbal medicine. Malunggay is a plant that grows in the tropical
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Sacred Heart of Jesus Catholic School ------------------------------------------------- 4324 Old Sta. Mesa Manila In the partial fulfilment of the Requirement in the Science III Investigatory Project in Chemistry: Healthy Chocolate Made of Malunggay Leaves Submitted by: Jackie Mae L. Orpia Justerreene Louise Pamaloan Meryll Denny Uy Jacob Villa King Joshua Erjas Matthew
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Toxicological Chemistry - relates the aspects of toxicology to the chemical structure and reactivity of the toxin. It is concerned with the chemical interaction of the toxin with the receptor that gives the physiological response. The ultimate aim is to relate functional group chemistry of both toxin and receptor to the interaction Toxicity - the degree to which a substance causes damage to an organism Acute toxicity - the adverse effects resulting from a single exposure‚ or exposure over
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Piperazine (generic‚ Vermizine) Oral: piperazine citrate tablets equivalent to 250 mg of the hexahydrate; piperazine citrate syrup equivalent to 500 mg of the hexahydrate per 5 mL Praziquantel (Biltricide; others outside the USA) Oral: 600 mg tablets (other strengths outside the USA) Pyrantel pamoate (Antiminth‚ Combantrin‚ Pin-rid‚ Pin-X) Oral: 50 mg (base)/mL suspension; 62.5 mg (base) capsules (available without prescription in the USA) Suramin (Bayer 205‚ others) Parenteral: ampules containing
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Eric Sorenson Chem 461 The Progression of Amphetamine Usage Introduction Amphetamine and other related stimulants stimulants such as methylphenidate are common drugs used to combat physical and mental fatigue. Originally developed for their nasal decongestant abilities these stimulants become a major component in child and adolescent medicine. Why have we seen‚ in the last two decades‚ this street drug known as “speed” become increasingly more prevalent in the younger developing generations
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the result was compared against the theoretical melting point of standard/pure caffeine (237°C). The process resulted in a melting point range of 225°C - 232 °C‚ which is less likely pure than the standard compound. Introduction Caffeine is an alkaloid‚ a class of naturally occurring compounds containing nitrogen and having the properties of an organic amine base‚ purine. Caffeine‚ which is found in more than 60 plant species‚ belongs to a family of naturally occurring compounds known as xanthines
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ABSTRACT Tinospora cordifolia (Willd.) Miers‚ it is a large‚ deciduous‚ tropical climbing shrub found throughout India‚ belong to the family Menispermaceae. Pharmacologically‚ Tinospora has a wide importance in Ayurveda. Secondary growth is achieved by formation of multiple cambia and other showed by formation of single cambium by members of Menispermaceae. Anatomy of this climber shows formation of xylem plates‚ this formation of cambial variants is the result of normal activity of cambium but abnormality
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Once considered a harmless pleasure‚ smokeless tobacco came to the fore front of health news at the turn of the millennium due to increasing evidence that it is just as dangerous as cigarette smoking. In fact‚ most medical professionals now agree that smokeless tobacco--also known as "chaw" or "chew"--is equally addictive and carcinogenic‚ and have come to consider the substance as contributing to the U.S. tobacco epidemic. Despite the medical community’s efforts to warn people beginning in the mid-1980s
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