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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Strawberry DNA lab Extraction Purpose: The purpose of this lab experiment is to see if this particular type of fruit which in this case is a strawberry contains DNA. Using materials such as a Ziploc bag to help keep the entire strawberry in one place while it gets smashed and test tube to help better see the DNA and break down of the liquid in the left over strawberry sediments. Background information: The long thick fibers of DNA store the information for the function of the chemistry
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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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determining paternity to name a few. DNA based techniques are a sub-discipline of forensic biology and are a crucial component in this field of work. DNA analysis began in the mid 1980’s and revolutionised the field of forensic science. With continual refinement of DNA analysis methods in crime laboratories over the years‚ small amounts of blood‚ saliva‚ skin cells and other biological material can now be used to develop leads and confirm or disprove an account of the crime. DNA (deoxyribonucleic acid) is
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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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DNA Extraction from Wheat Germ and Making an Agarose Gel AIM: To be able to make and agarose gel and perform gel electrophoresis in six different dyes. Also‚ to extract DNA from wheat germ. INTRODUCTION: Agarose gel is a substance that is used in science for gel electrophoresis and size exclusion chromatography. These processes use agarose gel to separate and analyze proteins and DNA. The medium is composed of a purified agarose powder that has been boiled in a buffer solution and then cooled
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DNA molecules are very long. They wrap around proteins and wind tightly‚ forming structures called chromosomes. A human somatic (non-sex) cell has 23 pairs of chromosomes. Twenty-two pairs are autosomes‚ which do not differ between the sexes. The autosomes are numbered from 1 to 22‚ with 1 the largest. The other two chromosomes‚ the X and the Y‚ are sex chromosomes. The Y chromosome bears genes that determine maleness. In humans‚ a female has two X chromosomes and a male has one X and one Y. Charts
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DNA COMPUTING ……. The future of Computing By Priya Parmar Paromita Bhattacharyya email: priya.parmar2389@gmail.com email:tan389@gmail.com contact no: 9820154325 contact no:9967585813
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DNA testing has overthrown the way police collect evidence in a number of criminal cases‚ especially rape and murder and consequently had a large impact on many past cases. However there are many disadvantages to DNA testing‚ such as a challenge of accuracy‚ the costs of DNA testing and the possible misuse of DNA. The prospect of a national DNA database in Australia has been heavily criticised with complaints of invasion of privacy and stigma against those with terminal diseases. Deoxyribonucleic
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