Case Write-up for Blood Bananas What do you think were root causes for Chiquita’s actions in Columbia? 1. First of all‚ they don’t want to do business in unstable environment. The terrorism groups need that money to do violence‚ so Chiquita can do business in peace. It is a business to exchange peace by money. 2. The local government and its army cannot protect the company’s land and employees. These reasons cause Chiquita to pay money to the terrorism groups. Do you think Chiquita
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2.3.3 Feature Extraction Feature extraction deals with the extraction of the distinctive features out of face images so that those face images can be differentiated among each other. There are several algorithms available for extracting features out of a face image. The most common is the use of mathematical formulas that generate a mathematical representation of a face image that is termed as a template‚ these templates are “the refined‚ processed and stored representation of the distinguishing
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the quantification of albumin and casein were performed and analyzed after extraction of the said proteins from their respective sources. Isolation of proteins was initiated by the breakage of the cell wall / membranes in three different ways. Homogenization of invertase‚ albumin and casein were achieved via grinding process‚ addition of 1M acetic acid and acidification by 0.1M hydrochloric acid correspondingly. Extraction of invertase and casein involved precipitation through the utilization of 95%
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Experiment 3 Liquid-Liquid Extraction Discussion The success of extracting each compound out of the solution can be seen in the IR graphs for each substance. For ethyl 4-aminobenzoate‚ the N-H‚ C=O and C-O are distinguishable in their proper wavenumber positions. The amino N-H stretch was found between 3224 cm-1 and 3423 cm-1. The C=O was found at 1681 cm-1 and the C-O was at 1280 cm-1. The IR for benzoic acid also displays its significant bonds‚ O-H and C=O. The O-H was between 2566 and
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Abstract The experiment‚ entitled Extraction and Characterization of Proteins‚ aims to isolate casein from milk and albumin from egg; to explain the methods employed for protein extraction; to apply spectrophotometric methods in characterizing and quantifying extracted casein and albumin. The experiment was divided into 2 parts; the extraction of Albumin from egg and the determination of protein concentration via the Warburg-Christian method and Bradford Assay method. In the first part‚ egg
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Banana Peels Get a Second Life as Water Purifier Mar. 10‚ 2011 — To the surprisingly inventive uses for banana peels -- which include polishing silverware‚ leather shoes‚ and the leaves of house plants -- scientists have added purification of drinking water contaminated with potentially toxic metals. Their report‚ which concludes that minced banana peel performs better than an array of other purification materials‚ appears in ACS’s journal Industrial & Engineering Chemistry Research. Gustavo
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The purpose of this experiment is to separate a solution of an acidic and organic compound and purify its respective acidic product through the techniques of an acid base extraction‚ recrystallization‚ and use of Melt Temp (melting point range). The reaction of an unknown acid (3-chlorobenzoic acid) with diethyl and sodium hydroxide was observed‚ and the solution naturally separated into an aqueous and organic solution. The mixture of acid and organic solution was created and then separated through
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SOP: Solid phase extraction of cylindrospermopsin in filtered water samples Document identifier: SOP_TOXIC_UDU_05F Prepared by: James S. Metcalf and Geoffrey A. Codd‚ UDU Date: 7 July 2005 1 Introduction In order to determine the concentration of cylindrospermopsin in the extracellular fraction of filtered environmental waters‚ solid phase extraction (SPE) is necessary to concentrate the toxin to concentrations capable of being detected by HPLC. 2 Experimental 2.1 Materials
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Berry DNA Extraction Lab I. Problem Statement: Successfully extracting the DNA from strawberries. II. Background info: DNA is the genetic information in organisms that codes for proteins‚ and controls the cells function. The DNA is a double helix molecule that is formed by various nucleotides which include Adenine‚ Thymine‚ Guanine‚ and Cytosine with sugar phosphate. Different organisms can have larger or smaller genes. DNA is also what makes up chromosomes during cell replication. Strawberries
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Introduction Extraction is a purification technique used in organic chemistry to separate compounds from a mixture of two or more compounds. There are three different extraction techniques: liquid-liquid extraction‚ solid-liquid extraction and chemically active extraction. All three types of extraction follow the same principle. Organic molecules dissolve in organic solvents and polar molecules dissolve in aqueous solvents. This phenomenon is observed because of the intermolecular forces between
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