BEL718- Term Paper Mass Spectroscopy Applications in Combinatorial Biotechnology By Mehul Bhardwaj 2008BB50021 Table of Contents: 1. Introduction What is Mass Spectroscopy? Operating principle Steps 2. Application in Combinatorial Biotechnology Advantages/ summary 3. References 3 3 4 4 6 7 9 3 Introduction: Mass spectrometry’s is one of the most important analytical methods‚ due to its outstanding characteristics such as‚ high sensitivity‚ detection limits‚ speed and ease of handling
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natural essential oils shown to have bug-warding abilities include oil of citronella (found most often in candles‚ though it is somewhat effective on the skin)‚ rosemary‚ and lemon verbena. One recent study indicated that a compound in sweet basil (eugenol) might also be as effective as DEET (N‚N-Diethyl-meta-toluamide) against ticks. To make your own natural repellent‚ simply add three drops of pure essential oil to a teaspoon of a carrier oil such as coconut or jojoba. If you choose to go the natural
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The goal of the experiment was to use UV/VIS spectroscopy to collect data to quantify acetaminophen‚ aspirin‚ and caffeine from a migraine tablet where there is heavy spectral interference using Target Factor Analysis1. The migraine tablet has other ingredients in it like FD&C blue #1‚ stearic acid‚ and saccharin. Saccharin is the ingredient thought to have the biggest interference and was used as the experimental basis2. Instruments: UV/VIS spectroscopy was used to analyze the absorption spectra
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The yield % of the synthesized polymer was calculated by the equation: Yield %= (Weight of synthesized polymer)/(Weight of the monomers taken) ×100 Characterization of synthesized polymer: Chemical analysis using Fourier transform infrared Spectroscopy: Fourier transform infrared (FTIR) spectrum of monomers and synthesized PLGC was obtained in the range of 4000-400 cm-1 using at least 40 scans at a resolution of 4 cm-1. The monomer L-lactide and glycolide spectrum was recorded using
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Tinnitus referred as ears ringing‚ in humans‚ can be caused by a variety of factors; such as high-level sound exposure‚ ototoxic drugs‚ and hearing loss. It is basically the self perception of sound in the absence of acoustic stimulation. the sound waves hit the outer ear and converge into the ear drum. The vibrations at ear drum are transferred into the inner rear through the middle ear. Once the sound waves reach inner ear‚ they travel through the cochlea towards the organ of corti. Further the
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The purpose of this experiment is to synthesize isopentyl ester by an esterification reaction between a carboxylic acid and an ester. Carboxylic esters‚ like isopentyl acetate‚ are normally used to create artificial flavors. In the preparation of isopentyl acetate‚ esterification of acetic acid and isopentyl alcohol occurs. Esterification is an equilibrium shift to the product side using an excess of one of the starting components. In this experiment‚ the excess reagent is acetic acid because it
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In order to record the Absorbance Spectrum you must use the MeasureNet Spectrophotometer that is provided for you at your station. To set up the Spectrophotometer‚ first press On/Off. Then press Main Menu‚ F5 Spectroscopy‚ and F2 Absorbance(in that order). Then press Setup and F1 to set up the parameters of the scan. Set the Y axis(Intensity) maximum at 2.0 and press Enter. Leave minimum at zero and press enter once again. Leave X axis(wavelength) parameters
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Physics 4052 Spring 2004 Y. Kubota K. Wick Project Proposal for Physics 4052 Introduction You must begin to think about a possible experimental project to carry out next semester (Physics 4052). The reason for this is two-fold: first‚ it will introduce you to the process of proposal writing‚ which is an unavoidable and very important part of modern experimentation‚ and second‚ it will enable us to make any necessary plans for procuring equipment. To start you thinking about this process‚
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Task 3: Tests for Anions: An Anion is an atom which is negatively charged therefore indicating a larger amount of electrons than proteins. Overall the tests for anions were mainly conclusive however 6 out of 8 of the anions we were testing for could only be determined from one specific result for example if a black precipitate formed following the tests the substance is therefore a sulphide however the same result would also show the presence of carbonate and hydrogen carbonate this therefore
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chemical analysis of volatile oil and oleoresins were undertaken by gas chromatography-mass spectrometry (GC-MS) technique. GC-MS analysis of cinnamomum leaf volatile oil showed the presence 81 components representing 94.1%of the total amount‚ and eugenol was the major component in the essential oils of C. tamala leaves. In the antioxidant activity‚ anti-oxidant potentials of Cinnamomum oil and oleoresins for mustard oil have been evaluated by different methods such as peroxide‚ p-anisidine‚ thiobarbituric
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