was a gas leak incident in India‚ considered one of the world’s worst industrial catastrophes.[1] It occurred on the night of December 2–3‚ 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal‚ Madhya Pradesh‚ India. A leak of methyl isocyanate gas and other chemicals from the plant resulted in the exposure of hundreds of thousands of people. Estimates vary on the death toll. The official immediate death toll was 2‚259 and the government of Madhya Pradesh has confirmed a total
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In the practical sessions template DNA that had the EZH2 (Enhancer of zeste homolog 2) gene already cloned onto it was firstly amplified by PCR‚ then cloned in the pBluescript plasmid vector. EZH2 is an enzyme which adds methyl groups to the twenty seventh amino acid (Lysine) and is encoded by EZH2‚ the EZH2 gene encodes part of the Polycomb group which make protein complexes that help to maintain genes transcriptional repressive state over successive cell generations. http://www.ncbi.nlm.nih.gov/gene/2146
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Title : Measuremnt of pH With Indicators Aim : 1.To investigate concentration of hydrogen ions in hydrochloric acic and colour changes of indicators 2.To determine standard solutions and the unknowns Variables Independent variable : Concentration of hydrogen ions in hydrochloric acid.The presence of hydrogen ions is varied by using 5 different concentration of hydrochloric acid of 0.1mol/L‚0.01mol/L‚0.001mol/L‚0.0001mol/L‚0.0000mol/L Dependent variable : Colour changes of indicators
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Experiment No. ___________________ Date ___________________ NEUTRALIZATION TITRATIONS INTRODUCTION The neutralization of hydronium or hydroxide ion to form water is widely used as the basis for volumetric determinations of acids‚ bases and salts of weak acids. The reaction is characterized by a rapid change in pH near the equivalence point‚ a change that is readily detected by an acid-base indicator or that can be followed electrically by use of a pH meter. Neutralization titrations
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ASSIGNMENT 1 TITLE:BHOPAL DISASTER DATE: 30 NOVEMBER 2009 1. Abstract The night of 3rd December marked an industrial disaster when more than 40 tons of methyl isocyanate gas leaked from a pesticide plant in Bhopal‚ India that instantly led to the death of approximately 3‚800 people and causing permanent injuries for thousands more. The company involved shamelessly tried to avoid its legal responsibility. Nonetheless‚ a sum of $470 million was paid as compensation‚ a considerably small amount in
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should have also shown decreases in average temp from 3 mL to 1 mL but there was no change in temperature. Hence it was also observed through table 2 that there is an average increase of the temp of the 2 methyl butane by 8.34 C but from table 3‚ it can be seen that there is a decrease in 2 methyl butane by 7.66 degrees Celsius‚ which was rather unexpected. However‚ these results could be looked upon from a different perspective‚ the side from which the results that were obtained in the 1mL experiment
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pH MEASUREMENT AND BUFFER PREPARATION ! ! 2A—Pharmacy‚ Faculty of Pharmacy‚ University of Santo Tomas Canare‚ Ann Shery; Caraos‚ Aeraille Diane; Carillo‚ Pauline Mari; Carreon‚ Leslie Ann; Co‚ Alexandra Kay !! !! ABSTRACT. The regulation of internal pH is a physiological function of major importance for all organisms. The quantity pH is intended to be a measure of the activity of hydrogen ions in solution. Buffers‚ on the other hand‚ are solutions containing a substantial concentration of both
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metabolic pathway of cocaine administrated. Cocaine is largely metabolized into two major metabolites benzoylecgonine (BE) and ecgonine methyl ester (EME) and two minor metabolites norcocaine (NCOC) and m- and p-hydroxycocaine (OH-COC) (Goldstein et al.‚ 2009). Benzoylecgonine is primarily produce in the liver by human carbozylerstrase type 1‚ ecgonine methyl ester is formed in the liver by human carboylestrase type 2 and by pseudocholinestrase known as butyrlcholineetrase (Zhang & Foltz‚ 1990)
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from calcium and phosphorus through to protein‚ which are particularly important for growing children and teens. Wheat: Wheat is the most allergenic of all cereals. Some preservatives and additives may inflame asthma. Sulphur dioxide and sodium benzoate often cause tight chests in individuals who have asthma It is vital for asthmatic children to maintain their diet by having a variety of breads and cereals‚ fruits and vegetables‚ lean meats or meat alternatives‚ and dairy foods such as milk‚ cheese
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canned foods are totally different in health. Fresh foods are made of natural ingredients. So they are very good for our health. Conversely‚ canned foods contain some chemical ingredients which made them dangerous for our health: for example‚ sodium benzoate and monosodium glutamate. They can cause some diseases‚ such as: cancer‚ heart attack‚ etc. In addition‚ canned foods can damage our cell growth‚ while fresh foods are needed for our cell growth. Third‚ if we want to get fresh foods‚ we don’t need
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