University of Texas at Tyler Lab 3C: Purification of L-Lactate Dehydrogenase By Affinity Chromatography on Cibacron-Blue Sepharose David Alexander 10-15-2014 Dr. Black Chem 4135.001 Abstract: Like the previous experiments‚ the ultimate goal of this lab was to purify the enzyme sample. However‚ this is the last lab for purification and high level techniques of purification were employed to achieve this. Dialysis was used first‚ lowering the small-molecule concentration within the sample. Finally
Premium Protein Chromatography Analytical chemistry
Food Adulteration Officials of the Food and Drug Administration (FDA) have seized huge stocks of three leading brands of energy drinks‚ collectively worth around Rs 2.64 crore‚ from Mumbai and Pune. The move comes close on the heels of recent amendments to the Prevention of Food Adulteration Act. Most of these drinks are sold in pubs and bars. As per the amended guidelines which came into effect from March 19‚ the caffeine content in energy drinks must not be more than 200 parts per million
Premium Mumbai Caffeine Navi Mumbai
sappan) WOOD AS TEXTILE DYE PRESENTED IN THE SCIENCE AND TECHNOLOGY DEPARTMENT (SCIENCE CURRICULUM) ILIGAN CITY NATIONAL HIGH SCHOOL ILIGAN CITY SUBMITTED TO: MRS. ANNALLEE Q. ARON RESEARCH TEACHER SUBMITTED BY: Ibrahim‚ Mahalia Taskeen R. Cabugatan‚ Fahad M. Lomansoc‚ Jake G. Miano‚ Ryan I. Surmion‚ Paul Jeffrey S. ABSTRACT Dyes known to the ancients came from plants such as indigo and madder or from the shells of mollusks; today most dyes are made from coal tar
Premium Dye
Food irradiation: A food safety technology designed to eliminate disease-causing germs from foods. Treating food with ionizing radiation can kill bacteria and parasites that would otherwise cause foodborne disease. Similar technology is used to sterilize medical devices so they can be used in surgery or implanted without risk of infection. The effects of irradiation on the food and on animals and people eating irradiated food have been studied extensively. These studies show clearly that when irradiation
Premium Nutrition Ionizing radiation Foodborne illness
Food and Culture Culture is broadly defined as the beliefs‚ attitudes‚ values‚ customs‚ and habits accepted by a community of individuals. Cultural behavior patterns are reinforced when a group is isolated by geography or segregated by socioeconomic status. Culture is learned‚ not inherited; it is passed from generation to generation. The term food habits refers to the ways in which humans use food‚ including how food is obtained and stored‚ how it is prepared‚ how it is served and to whom‚ and
Free Nutrition Eating Maslow's hierarchy of needs
Chemistry 36100 Introduction The purpose of this lab was to produce benzoic acid by mixing sodium benzoate with hydrochloric acid. The Hydrochloric acid used in the experiment was a stock solution made by mixing HCl Acid and deionized water. HCl acid‚ historically called‚ muriatic acid or spirits of salt‚ hydrochloric acid is produced from sulfuric acid and common salt‚ NaCl (Princeton.edu). Since the early 1900 ’s‚ sodium benzoate has been used as a food preservative (SolarNavigator). It is utilized
Premium Hydrochloric acid Chlorine Chemistry
10/26/12 THE FUTURE OF FOOD You might think you know everything about the foods that you eat or place on the plates for your family‚ but you have no idea. The Future of Food is a documentary that reveals appalling or should I say shocking information regarding our crops that are grown in the U.S. today and how big corporations are taking over and altering the foods that we eat through science‚ all because of corporate greed. What’s even more terrifying is that majority of consumers have no
Free Genetically modified organism Genetically modified food Genetic engineering
Food is essential for life. It should be pure‚ nutritious and free from any type of adulteration for proper maintenance of human health. Despite of improvement in production‚ processing and packaging‚ more poisons seem to be entering our food chain. For example Indian spices or ’masalas’ add taste and flavour to food and also help in digestion. Some spices like turmeric have an antiseptic effect on the body. But what is most important is the quality of these ingredients. Every consumer wants to
Premium Food safety Food additives Food industry
Exercise 1: Correct Use of the Scientific Method and an Experiment with Macromolecules I. Objectives In this lab‚ students will: a.) Learn how to utilize the Scientific Method to develop a testable hypothesis b.) Generate an effective experimental design from a hypothesis c.) Understand the chemical differences between different macromolecules and how these differences can be used to design tests for each molecule. d.) Identify macromolecules in solutions using chemical analyses. e.) Practice
Premium Iodine Microscope Concentration
Introduction The purpose of this lab was to identify unknown bacteria cultures using various differential tests‚ and my unknown bacteria is #17. The identification of these unknown cultures was accomplished by separating and differentiating possible bacteria based on specific biochemical characteristics. Whether the tests performed identified specific enzymatic reactions or metabolic pathways‚ each was used in a way to help recognize those specifics and identify the unknown cultures. The differential
Premium Gram staining Staining Microbiology