Chemistry Essays

Latest Chemistry Essays

• Effect of Temperature on Ascorbic Acid Concentration in BroccoliPublished: Mon, 23 Sep 2019Extract: How does temperature affect ascorbic acid concentration in broccoli, determined by redox titration with iodine? 1.0 Rationale: When I was younger, my parents and grandparents would always talk to me about how we should eat more vegetables and fruits as they have the vitamins for me. What type of vitamins are in vegetables that are […]
• Biochemical Kinetics: Enzyme CatalysisPublished: Mon, 23 Sep 2019Extract:  Biochemical Kinetics: Enzyme Catalysis   Abstract In this investigation we study a model for enzyme catalysis which is part of the wider field of biochemical kinetics. The catalysis reaction rate is modeled by the Michaelis-Menten equation – where the environment is the surrounding cell and the enzymes active site is the system. In this paper […]
• SDS-PAGE/Western Blotting Combination to Determine Protein ExpressionPublished: Mon, 23 Sep 2019Extract: SDS-PAGE (Sodium dodecyl sulphate-polyacrylamide gel electrophoresis) FOLLOWED BY WESTERN BLOTTING USE TO DETERMINE THE RESPONSE OF HT29, SW620 AND HCT116 TO ETOPOSIDE, CISPLATIN AND PACLITAXEL TREATMENT   INTRODUCTION SDS-PAGE/Western Blotting combination is one of the most commonly used laboratory techniques to determine the presence and level of expression of a specific protein in a mixture […]
• An investigation into Forensic Soil AnalysisPublished: Mon, 23 Sep 2019Extract: An investigation into Forensic Soil Analysis Abstract In this review soil examination, preparation and comparison is being discussed. Procedures used by many authors on soil examination are the topic being reviewed here. The review begins with Transport of soil, preparation of soil, Attenuated Total Reflectance – Fourier-transform infrared spectroscopy (ATR-FTIR), Multivariate analysis, Microscopy examination, X-ray […]
• β-decay spectrum of Iodine-128Published: Mon, 23 Sep 2019Extract:   β decay spectrum and half-life of dλp=g2Mfi22π3ℏ7c3(Q–Te)2×F(Z‘,p)p2dp                                       (6) Where F(Z’, p) is the Fermi function that accounts for Coulomb force on the electron as it travels away from the nucleus, (Q-Te)2 p2 is a statistical factor coming from the density of states, Mfi is the nuclear matrix element and is related to Ifi […]
• Avoiding Decomposition of Perishable Food Using Gas Sensors Made of Carbon NanotubesPublished: Mon, 23 Sep 2019Extract: Avoiding decomposition of Perishable Food using gas sensors made of Carbon Nanotubes        Abstract—-One of the prime criteria of the food organization is to regulate loss by avoiding the excessive degradation. To achieve this some necessary steps needed to be taken to figure out the shelf-life of food. From the studies we infer that […]
• Characterisation of the Binding Modes of Inhibitors and Cofactors in the KMO EnzymePublished: Mon, 23 Sep 2019Extract: Characterisation of the binding modes of inhibitors and cofactors in the KMO enzyme Strategic Alignment Briefly outline how the research proposal is aligned to the selected Research Council Objectives [up to 1000 chars inc. spaces]. This research aligns with the strategic priorities of the Medical Research Council (MRC) as it aims to investigate the gaps […]
• Purifying Naphthalene Using RecrystallizationPublished: Mon, 23 Sep 2019Extract: Recrystallization Objective:  This lab objective is to purify naphthalene using the method recrystallization. By doing so choosing a good solvent system for crystallizing a solid. As well to evaluate the trades off of recrystallization and then evaluate the purity of a crystals through its melting points. Introduction:  Recrystallization is important because it is one of […]
• Analysis of CNS Stimulants: Histoy and EffectsPublished: Mon, 23 Sep 2019Extract: Substance Analysis Paper  Select one of the substance listed and complete an analysis on that specific category of drugs.  Students are asked to use a minimum of three Scholarly references from the last 4 to 6 years to answer the questions.  Citations must follow each answer to credit the source, and must be referenced at […]
• Experiment on Acid-based Reactions in Aqueous SolutionPublished: Mon, 23 Sep 2019Extract: LAB S. ACIDS AND BASES: TITRATIONS Introduction: Within the divisions of chemistry there are several distinct types.  The subject of study within this report are acid-base reactions in aqueous solution. Antoine Lavoisier, a French chemist, was the first to study acid base reactions within 1776 1. More recently, the conceptualization of acids and bases has […]
• The Iodine Clock Reaction Practical ReportPublished: Mon, 23 Sep 2019Extract: The Iodine Clock Reaction Practical Report Abstract Clock reactions have been a method of studying chemical kinetics over the years and are an example of an initial rates method (Braid and Train, 2015). The rate can be measured by the time taken for an observable endpoint to occur and in the iodine clock reaction, this […]
• Unsupervised Learning for Predicting Machine Failures for Aircraft EnginePublished: Mon, 23 Sep 2019Extract: Industrial Synthesis Methanol is a chemical with the formula of CH3OH, it is often referred to as ‘wood alcohol’ because it used to be mainly produced as a by-product of the distillation of wood. Methanol is a flammable, colourless liquid – similar to that of ethanol (the alcohol that we drink), but it is far […]
• Catalase Kinetics with the Decomposition of Hydrogen Peroxide with Temperature ChangesPublished: Mon, 23 Sep 2019Extract: Examining Catalase Kinetics with the Decomposition of Hydrogen Peroxide with Temperature Changes Table of Contents 1.1  Introduction 1.1.1 Importance of Experiment 1.1.2 Purpose 1.1.3 Hypothesis 1.1.4 Prediction 1.2  Results 1.2.1 Statement 1.2.2 Figure 1.3  Annotated Bibliography 1.1 Introduction 1.1.1 The Importance of Studying Catalase The body expends valuable energy to compensate for external pressures that […]
• Distillation of Crude Oil in Petroleum RefiningPublished: Mon, 23 Sep 2019Extract:   Wiktoria Swiatek K1843100 COURSEWORK ASSIGNMENT Chemistry SX3003 Section 1: Petroleum Refining    1a) Process of distillation of crude oil in Petroleum Refining   Petroleum is classified as a fossil fuel. Fossil fuels take millions of years to form; therefore petroleum is considered a non-renewable energy resource. Current estimations tell us that within the next […]
• Drug Monograph of CilazaprilPublished: Mon, 23 Sep 2019Extract: Drug Monograph of Cilazapril Drug Monograph Contents Introduction………………………………………………………… page 2 Mechanism of action……………………………………………… page 3 Therapeutic use and efficacy……………………………………. Page 4 Pharmacokinetics………………………………………………….. page 5 Adverse drug reactions…………………………………………… page 6 Drug interactions………………………………………………….. page 6 Contraindications………………………………………………….. page 7 Conclusion…………………………………………………………… page 7 References…………………………………………………………… page 8 Appendices………………………………………………………….. page 10                   Introduction […]
• Gas Chromatography of Polycyclic Aromatic Hydrocarbons with Flame Ionization DetectionPublished: Mon, 23 Sep 2019Extract: Gas Chromatography of Polycyclic Aromatic Hydrocarbons with Flame Ionization Detection Abstract: The purpose of the experiment was to use the gas chromatography method to analyze polycyclic aromatic hydrocarbons with flame ionization detection. The polycyclic aromatic hydrocarbons (PAHs) were analyzed by temperature gradient and isothermal gradient. A user temperature gradient program was created for the better […]
• High-Throughput Screening Triage Workflow to Authenticate a Novel Series of PFKFB3 InhibitorsPublished: Mon, 23 Sep 2019Extract: A High-Throughput Screening Triage Workflow to Authenticate a Novel Series of PFKFB3 Inhibitors: Paper Summary A high throughput screening was carried out of human 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3), which resulted in multiple compound series with the potential for further development[1]. Multiple screening methods were carried out, including a Primary PFKFB3 HTS spot-test assay with an IC50 […]
• Wheat Germ Acid Phosphatase Catalysed Hydrolysis of Para-Nitrophenyl PhosphatePublished: Mon, 23 Sep 2019Extract: Received 30th January 2019,                   [email protected]                   [email protected] Accepted 7th Febru  2019 Wheat Germ Acid Phosphatase Catalysed Hydrolysis of Para-Nitrophenyl Phosphate: Michaelis Menten Constant and Maximum Reaction Velocity Marine Hall-Poirier,*a Patrick Fajardo b Abstract: A range of different para-nitrophenol phosphatase concentration (0.5-5.0 mM) were reacted with wheat germ acid phophatase at a pH of 4.8 […]
• Inorganic Containments Present in Water SamplesPublished: Mon, 23 Sep 2019Extract: Project 1: Inorganic Containments Present in Water Samples Introduction Background:  Chemistry is commonly used when it comes to testing in a laboratory. Scientist use many different ways to determine what an unknown substance is. Looking at the qualitative properties of the substance such as the color, smell and other properties that can be observed and […]
• Self-Assembled Lipid-Polymer Hybrid Nanoparticles | Article ReviewPublished: Mon, 23 Sep 2019Extract: Critical Review of the Article “Self-Assembled Lipid-Polymer Hybrid Nanoparticles: A Robust Drug Delivery Platform”   1. Introduction The primary author of this article Dr. Liangfang Zhang is currently serving as a Professor in the Department of Nanoengineering at the University of California San Diego. In UCSD the research in Dr. Zhang’s lab focuses on overcoming […]
• Chemistry of Pectin Carbohydrates and its Application in the Food SystemPublished: Mon, 23 Sep 2019Extract: Pectin  -Chemistry of Carbohydrates and its Application in Food System Introduction   Pectin is a carbohydrate polymer, with a relatively high molecular weight and is found naturally in most plants and particularly in fruits (Flutto, 2003). Fruits such as berries, citrus and apples contain naturally occurring pectin. Pectin comes from the Greek word pektos which […]
• Process of Drug Discovery from NaturePublished: Mon, 23 Sep 2019Extract:  “Describe the process of drug discovery from nature.  Choose a plant that has been used as the source material for a conventional medicine as an example.” introduction This essay describes the process of the discovery of digoxin, a cardiac glycoside derived from Digitalis spp..  To begin, this essay will observe the plant Digitalis purpurea L. […]
• Comprehensive Study of MethamphetaminePublished: Mon, 23 Sep 2019Extract: A Comprehensive Study of Methamphetamine  When I was a child, my very best friends were my cousins. We all lived less than a mile apart and spent almost every day playing outside in the creek behind our houses, swimming, looking for fossils, or catching crawfish. As the years passed by, those daily trips to the […]
• Classes of Electroactive Polymer MaterialsPublished: Mon, 23 Sep 2019Extract: There are different classes of electroactive polymer materials. There are electronic EAP, ionic EAP, carbon nanotube actuators and conductive polymer actuators. Recent research work has allowed us to enhance the E-M performance using electroactive polymers. These electroactive polymers have better electro-magnetic performance than crystals and ceramics. This has led to the creation of many devices […]
• Chemistry of DyesPublished: Mon, 23 Sep 2019Extract: Project 1: Our Colourful Lives Introduction: Ever wonder how our everyday materials, like our clothes, our devices, our food, our home necessities can be altered into any different colours we wish them to be? In this research paper, we will discuss how our material things get coloured on the chemistry level and how exactly colors […]