Effectiveness of Leucaena leucocephala (Ipil-Ipil) seeds as a shoe polisher as perceived by the Grade 9-Pilot of Sumulong Memorial High School SY: 2014-2015 Related Readings Leucaena leucocephala is widely grown as an agroforestry species in tropical regions. In the 1970s and 1980s the tree was very widely planted as a forage tree legume and seen as a solution to many tropical agriculture problems as it was fast growing‚ nitrogen fixing‚ fairly drought tolerent and could be used for fodder‚ shading
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Jeffrey Steingarten‚ a prominent food writer‚ posed this question‚ “Why doesn’t everyone in China have a headache?” in relation to monosodium glutamate‚ more commonly known as MSG (Renton). MSG is a controversial topic due to adverse reactions reported by people who consume it. Despite anecdotal evidence and a number of scientific studies showing the MSG has significant effects on human health‚ the FDA and numerous other scientific studies concluded that MSG is safe for human consumption.
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pseudo-scientific literature out there under the topics of health and nutrition. This is one of the reasons the items listed below concentrate on non-herbal medicine. It is simply because there are more “western” scientific studies dealing with vitamins and amino acids‚ etc.‚ that have “hard science” behind them. This is not to say that herbal medicine is without merit. It is simply to say that it is currently harder to find secure scientific facts about such topics. Let’s hope this changes in the future. The
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folate-targeted imaging agents can serve as noninvasive diagnostic JOURNAL OF PHARMACEUTICAL SCIENCES‚ VOL. 94‚ NO. 10‚ OCTOBER 2005 As targeted drug delivery systems move to the forefront of new drug development‚ targeting ligands like folic acid will undoubtedly be subjected to increasingly greater scrutiny. Where FOLATE RECEPTOR-MEDIATED DRUG TARGETING specificity for pathologic cells is high‚ such targeting ligands can not only facilitate elevated drug uptake by diseased cells‚ but
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Title: Benedict ’s test for Reducing Sugars Testable Question: Are all carbohydrates reducing sugars? Hypothesis: If the carbohydrate contains available ketone or aldehyde molecules then they are reducing sugars. Variables: a. Independent: Function groups react w/ reagent b. Dependent: Color change (red‚ orange‚ yellow) Control: Water Materials: - 4 mL of each solution (Water‚ Starch‚ Glucose‚ Maltose‚ Sucrose‚ Onion Juice‚ Potato slice‚ Milk) - 8 test tubes
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Root mean square deviation (RMSD): The root mean square deviation (RMSD) is a measure of structural differences that are observed on superimposition of two protein structures at a different time points i.e. current position and previous position. The RMSD values for backbone atoms of each residue were calculated for entire trajectory to see the evolution of structure with time. The RMSD plot is shown in Supplementary Figure S7 where timestep is plotted on X-axis while RMSD (Å) is plotted on Y-axis
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Introduction Carotenoids are natural pigments that exist in nature among both photosynthetic and non-photosynthetic organism. They serve many significant functions some of which are light harvesting and photoprotection in plants‚ promoting reproduction and survival in animals and providing substrates for biosynthesis of hormones and signalling molecules. In particular this essay will explore how the structure of rhodopin glucoside determines its function in light harvesting system LH2 of a purple
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agents‚ antiarrhythmic‚ neuropeptide‚ antagonists‚ neuroprotective agents‚ estrogen receptorβ‚ agonists‚ and antimycobacterial agents. Compounds which are enolic react with a mixture of an aldehyde and a primary or secondary amine in the presence of an acid to yield an aminomethyl derivative (Norman‚ R. 1993). The multi component condensation of an aldehyde with an amine is called Mannich reaction. Mannich reaction is primarily a complex condensation reaction where 2 moieties or molecules combine to form
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any of these materials it is essential to thoroughly review the safety data sheets of the chemical manufacturers in question. Also all procedures should be done with the use of non-latex laboratory gloves and protective eyewear in a fume hood environment. To a 50ml beaker‚ 0.268g of potassium tetrachlorplatinate (hazardous)‚ 12.1 ml of deionized water‚ and a stir bar are added creating a red solution. To this 20 drops from a Pasteur pipette of 2 molar hydrochloric acid (corrosive) is dropped into
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Trapal‚ Mariel B. Prof. T.D. Macasil BSE Physical Science Reactions of amines Reaction of amines with acids – acids and amines form ammonium salts. R – NH2 + HCl → R – NH3+ + OH – Amine acid amine salt Example 1 CH3 – NH2 + HCl → CH3 – NH3 + Cl- Methylamine Methylammonium Example 2 CH3CH2 – NH3 + Cl → CH3CH2NH2 . HCl Ethylammonium Ethylamine Reaction of amine with water – when amines react with water‚ they produce hydroxide ( OH
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