The picture above shows a typical gel electrophoresis set up. The clear container in the center of the picture is called a gel electrophoresis chamber. It contains the agarose gel that will be loaded with genetic material‚ as well as a buffer solution. It is connected to a DC power supply via electrodes. This picture was taken at Paw Print Genetics laboratory in Spokane‚ Washington. Viney and Fenton (1998) defined the term electrophoresis as‚ “the migration of charged particles through a static medium
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DOE-HDBK-1019/1-93 JANUARY 1993 DOE FUNDAMENTALS HANDBOOK NUCLEAR PHYSICS AND REACTOR THEORY Volume 1 of 2 U.S. Department of Energy Washington‚ D.C. 20585 FSC-6910 Distribution Statement A. Approved for public release; distribution is unlimited. This document has been reproduced directly from the best available copy. Available to DOE and DOE contractors from the Office of Scientific and Technical Information. P.O. Box 62‚ Oak Ridge‚ TN 37831. Available to the public from the National
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As a result‚ having focused on the electrostatics within the Clil module‚ I had to play in a non-rigorous part on the electromagnetic field. It can be said that‚ in order to avoid too much “shock” to the students‚ who were already working to face a new teaching both for language and way‚ and
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Introduction Methionine and cysteine are both sulphur containing amino acids. Most proteins will contain one‚ or both of them at some point in the polypeptide chain. As such‚ many amino acids contain sulphur in some form‚ which is required in small amounts in the mammalian diet. Methionine has a thioether side chain‚ and cysteine’s contains a thiol group. These side chains exist as free thiols inside the cell‚ and are oxidised causing them to pair up and form disulphide bonds in an extracellular
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The tert-butyl group has been broadly used to protect functional groups in natural product synthesis such as amino acid‚ peptide and protein chemistry [1]. The tert-butoxycarbonyl (BOC) group is known as protecting group for amides in organic synthesis. The introduction of BOC group improves the solubility of organic precursors and their processability in organic synthesizes [2]. The methyl substituted pyridine derivatives were widely reported for their various biological activities such as anxiolytic
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brackets on the right hand side of the paper are the marks allocated. 2 Section A ATOMIC STRUCTURE 1. (a) The Lithium ion‚ Li2+‚ consists of a single electron moving about the Lithium nucleus. (i) Calculate the gravitational force‚ and the electrostatic force on the electron‚ which is at a distance of one-third the Bohr radius from the nucleus. ( a o = 0.5292 Å‚ gravitation constant: G = 6.672 x 10-11 N m2 kg-2) (8) (ii) Comment on the magnitude and significance of the values obtained in (a)(i)
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03.04 Soil and Impressions Soil For the forensic scientist‚ soil is more than dirt. Soil is thought of as surface material from the earth‚ both natural and artificial. In other words‚ soil includes not only dirt but also rocks‚ animal material‚ and vegetation that lie near the surface of the ground. In addition‚ it may include pieces of glass‚ fragments of brick or stone‚ and pieces of asphalt. The combination of things in the soil may help link a suspect to the crime scene if the soil is somehow
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Hwa Chong Institution (High School) Secondary 4 End of Year Examinations Chemistry Revision Notes List of topics: 1. Atomic Structure 2. Separation Techniques 3. Chemical Bonds and Bonding (Ionic‚ Covalent) 4. Metals 5. Properties and structures of compounds 6. Qualitative Analysis 7. Acids‚ Bases and Salts 8. Chemical Periodicity 9. Chemical Calculations 10. Air and Environment 11. Electrochemistry (Including Redox reactions) 12. Thermochemistry 13. Rates of Reaction 14. Chemical
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Biochemistry Lecture Exam 1 Study Guide Chapter 1: Biochemistry: An Introduction I. Introduction a. Biochemistry: the study of molecules and chemical reactions of life b. Divided into 3 principal areas: 1. Structural chemistry of components of living matter & relationship of biological function to chemical structure 2. Metabolism – total chem reactions that occur in living matter; building & breaking down of molecules 3. Chemistry of processes & substances that store & transmit biological
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English Proficiency This test is designed to assess the test takers’ general proficiency in the use of English language as a means of self-expression in real life situations and specifically to test the test takers’ knowledge of basic grammar‚ their vocabulary‚ their ability to read fast and comprehend‚ and also their ability to apply the elements of effective writing. 1. Grammar 1. Agreement‚ Time and Tense‚ Parallel construction‚ Relative pronouns 2. Determiners‚ Prepositions‚ Modals
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