Food Chemistry 138 (2013) 227–233 Contents lists available at SciVerse ScienceDirect Food Chemistry journal homepage: www.elsevier.com/locate/foodchem Analytical Methods Determination of volatile N-nitrosamines in meat products by microwave-assisted extraction coupled with dispersive micro solid-phase extraction and gas chromatography – Chemical ionisation mass spectrometry Man-Chun Huang‚ Hsin-Chang Chen‚ Ssu-Chieh Fu‚ Wang-Hsien Ding ⇑ Department of Chemistry‚ National Central
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DETERMINATION OF ABCESSION SIZE USING DIGITAL IMAGE PROCESSING TO AIDE ENDODONTIC THERAPY Karthikeyan Karunakaran‚ Nikil Ravi‚ Srinevasan MS Abstract-- Endodontic therapy is a treatment where the infected tooth s cavity is removed completely and filled with gutta-percha .During this therapy the size of the abscission in the root apex is important. If the abscission size is small the dentists call them lesion which can be easily removed during the therapy itself. But if it is large‚ the therapy
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The Equilibrium Constant of an Ester Hydrolysis Reaction Jesus Flores March 30th‚ 2015 Abstract: This experiment was conducted in order to discover the Kc‚ equilibrium constant‚ of a hydrolysis reaction of an unknown ester #2‚ unknown acid‚ and alcohol #2 products. The first week consisted of creating the reaction mixtures in bottles‚ next was preparing a NaOH solution while neutralizing with KHP. The final week consisted of titrating the bottles with the NaOH solution prepared previously
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Weak and Strong: Who Will Prevail? Throughout John Steinbeck’s Of Mice and Men‚ there is one very important and very clear conflict‚ the weak and the strong. Somebody always has some amount of power over others. It is very clear to see that there is always a conflict between the two‚ but the roles switch characters throughout the novel. Power can mean multiple things‚ but in the case of this book‚ it is more of a mental‚ or verbal‚ power‚ rather than strength. This is made evident through looking
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Part A: Table 1: Fractionation of amino acid Fraction No | Response to Ninhydrin test(level of blue colour change) | Response to Sakaguchi test (colour change) | 1 | X | yellow | 2 | Dark blue | yellow | 3 | Dark blue | Pale orange | 4 | Blue | Pale orange | 5 | Pale blue | Pale orange | 6 | Blue | Pale orange | 7 | Pale blue | Pale orange | Discussion Part A In the separation and purification of a single protein or amino acids‚ a solution containing the desired analyte
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The lack of interaction between the ‘weak’ ones of the ranch in the film version of Of Mice and Men results in the obscuring of the theme of handicaps that is present throughout the novel. In the film‚ the scene begins with Lennie approaching Crooks as the rest of the men are in the nearby town. They discuss Lennie’s desire to tend rabbits and later on‚ Lennie makes it clear his intention for George and he to be together till the end. George comes in‚ escorts Lennie out of the room where they encounter
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Ethanoic Acid Advantages: Ethanoic acid is non-toxic and is a weak acid‚ meaning it will not do any damage to most surfaces as it does not corrode or bind to other metals‚ therefore can be easily removed through washing or rinsing it. Disadvantages: Ethanoic Acid is the slowest de-scaler of the three acids‚ and is therefore the least effective. It also may cause an unpleasant smell‚ and can have a negative effect on the taste of coffee meaning one would need to spend longer time rinsing and cleaning
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contribution to water hardness‚ by convention hardness is reported as mg 〖CaCo〗_3/L of solution. Water with a hardness value less than 60 ppm is considered “soft” water‚ while water ≥ 200 ppm 〖CaCo〗_3/L is labeled as “hard”. How: Ethylenediamminetetraacetic Acid (EDTA) is a complex versatile chelating agent. A chelating agent is a substance whose atoms can form several bonds (ligands) to a single metal ion. Chelating agents are multi-dentate ligands. Multidentate ligands are many clawed‚ holding onto the metal
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Self-Determination in the Elderly 1 Nursing Students’ Perceptions of Self-Determination in Elderly People Maritta Valimaki‚ Helena Haapsaari‚ Jouko Katajisto and Ritta Suhonen Research and Design Professor Pollack April 10‚ 2007 Nursing Students’ Perceptions of Self-Determination in Elderly People: A Critique ABSTRACT Self-Determination in the Elderly 2 This
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towards the weak. Instead‚ he sees the rational thing for the strong to do is to be indifferent towards them‚ in the same way that the wolf does not bother himself with the opinions or goings-on of lambs. From a certain perspective‚ because of Nietzsche’s admiration of strength‚ he seems to be open towards the weak empowering themselves and becoming strong – which would be a much more favorable fate for the weak than seen in many societies‚ where the weak are seen as the always-weak. Nietzsche seems
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