protein‚ and three samples containing proteins‚ and using a spectrophotometer we assessed the amount of light absorbed versus the light transmitted‚ based on the principles of the Beer-Lambert Law. The three proteins used included lysozyme‚ protamine sulfate‚ and bovine serum albumin‚ and the three non-protein samples contained either RNA‚ tyrosine‚ and glycylglycylglycine. Standard curves were created to exhibit the linear relationship between the concentration of solute (protein‚ non-protein) and the
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drops into each row of different chemicals with the following chemicals; sodium iodide‚ sodium sulfate‚ sodium chloride‚ sodium bicarbonate‚ sodium carbonate and sodium hydroxide. After all reactions were documented‚ I disposed of all chemicals properly and cleaned
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will perform a quantitative analysis of a two-step reaction. Copper(II) oxide will be synthesized from a known mass of copper(II) sulfate pentahydrate. Using the relationship of the balanced equation‚ and other stoichiometry relationships‚ you will calculate a theoretical yield of CuO‚ and your actual yield. You then will calculate a percent yield. Copper(II) sulfate pentahydrate will be dissolved in water and reacted using a double replacement reaction with sodium hydroxide. The addition of hydroxide
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Investigating the Determining Characteristics of Cations and Anions Chem 111 Sec 560 Introduction: The purpose of this lab was to study the specific characteristics of cations and anions‚ and ultimately to be able to identify an unknown substance based on our studies and tests using the logic trees developed through the experiment. A logic tree is a graphical display of the findings from this lab which‚ through a series of yes/no questions‚ elimination
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A. Goal and Purpose: Session 1: In this lab‚ we will achieve a simple Friedel-Crafts alkylation of anthracene. The choice of anthracene as an aromatic substrate stems from two considerations. First‚ there is a question of regioselectivity. Second‚ anthracene and its derivatives are highly visible under UV light. Session 2: In this lab‚ we will complete a partial conversion of 9-acetylanthracene using m-chloroperoxybenzoic acid (mCPBA). We will also determine by NMR‚ the regiochemistry of the
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potentiate or contribute to this patient’s migraine. When a person suffers from depression‚ it has been found that there are low blood levels of serotonin. This patient has been diagnosed with major depressive disorder and was prescribed phelelzine sulfate to combat her
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describe structural and chemical features in Winogradsky column and to show the acknowledgement of microbial cells in Winogradsky column. Materials of experiment Pond mud Calcium sulfate Calcium carbonate Shredded paper Pond water Cylinder Aluminum foil Methods 1. Prepare pond mud 2. Add calcium sulfate and calcium carbonate 3. Add piece of paper 4. Add pond water 5. Seal top of the column 6. Put beside window Process (sequence of the reaction) The less of oxygen
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Solubilities Always soluble: Usually soluble: Exceptions: Na+ ‚ K+ ‚ NO3− ‚ CH3 COO− ‚ NH+ 4 Cl− ‚ I− ‚ Br− i. Sodium carbonate and Silver nitrate ii. Iron (II) sulfate and Lead (II) nitrate iii. Sodium nitrate and Nickel sulfate iv. Potassium hydroxide and Copper (II) nitrate v. Sodium sul de and Cadmium sulfate Ho Write down the ionic chemical equation when the following pairs of solutions are mixed together. (Take note of their solubilities of the products formed) Question
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However‚ L1 and L2 capsid proteins‚ alpha-6 integrin cellular receptors and heparan sulfate proteoglycans/heparin sulfate play a major role in the binding process.19 After binding‚ through endocytosis the virus enters basal epithelial cells‚ and endosome/lysosome cause capsid disassembly. Next‚ the L2 protein facilitates transfer of the viral genome to
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Complete a data table that includes a prediction of reaction type‚ observations‚ and identification of reaction type for each reaction in the lab. (10 points) Reactants Prediction of Reaction type Observations Reaction Type Iron (III) and Copper (II) Sulfate Solution Single replacement Solids stay concentrated at the bottom Single replacement Lead (II) Nitrate and Potassium Iodide Solutions Double replacement Yellow powder collected at bottom Double replacement Magnesium Metal Ribbon and Hydrochloric
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