Toxicological Chemistry - relates the aspects of toxicology to the chemical structure and reactivity of the toxin. It is concerned with the chemical interaction of the toxin with the receptor that gives the physiological response. The ultimate aim is to relate functional group chemistry of both toxin and receptor to the interaction Toxicity - the degree to which a substance causes damage to an organism Acute toxicity - the adverse effects resulting from a single exposure‚ or exposure over
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to TCDD. Dioxin is formed as an unintentional by-product of many industrial processes involving chlorine such as waste incineration‚ chemical and pesticide manufacturing and pulp and paper bleaching. Dioxin was the primary toxic component of Agent Orange‚ was found at Love Canal in Niagara Falls‚ NY. (http://www.enviroweb.org/issues/dioxin/index.html) The major sources of dioxin are in our diet. Since dioxin is fat-soluble‚ it bioaccumulates up the food chain and it is mainly (97.5%)
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.C. is committed to supporting business and investing and has developed numerous valuable resources for business owners and investors at various stages in their endeavours. Learn about these resources and how you can make the most out of your opportunities. Business Management Thinking of starting a business but not sure where to stThe Ksp expression is A. Ksp = Sr2+ [ ]3 PO4 3− [ ]2 B. Ksp = 3Sr2+ [ ] 2PO4 3− [ ] C. Ksp = 3Sr2+ [ ]3 2PO4 3− [ ]2 D. Ksp = 3Sr2+ [ ]3 2PO4
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HA2022 Business Law Tri 1‚ 2011 QUESTION 1 Sue Fairbairn is 35 years old. She is a commercial boat skipper who works for Whale Watching. She has held a commercial skipper’s licence for 15 years and is considered to be a very experienced whale watching skipper. To ensure she is always at the peak of her health she has annual medical examinations‚ which are conducted by her local doctor. Last week she was booked to take a group of tourists on a whale watching cruise leaving from Byron Bay and
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markets emerge‚ allowing free trade to expand. 1.3.2 Economic The computer industry expects a growth of approximately 10 percent over the next years. This growth is influenced by the economic situation in a specific country‚ having an impact on the purchasing power of potential customers. Additionally‚ changing inflation rates and currency fluctuation also determine the profitability of a company. 1.3.3 Social The national demand for computers is dependent on the educational level prevailing in a specific
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compound. This method is based on either acid-base reaction or oxidation-reduction (Redox) reaction. Usually potassium permanganate solution is used as a standard solution in such redox reactions. Since potassium permanganate ion is a strong oxidizing agent ‚ hence can be used to analyse the solutions. The main advantage of permanganate solution in the titration of colorless unknown solutions is that it acts as self-indicating. The color of
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robots that walk‚ talk‚ appear human‚ and also make friends with people such as a human would do. We need to examine the meaning of the word artificial intelligence. All textbooks define the field as "the study and design of intelligent agents" where an intelligent agent is a system that perceives its environment and takes actions that maximize its chances of success. John McCarthy‚ who coined the term in 1956‚ defines it as "the science and engineering of making intelligent machines.” Reading these
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designed this complex chemical in hopes that they could make a substance that could effectively kill bacteria while not being toxic to the body. The way Povidone-iodine works is actually quite interesting. The iodine works as an oxidizing agent. Oxidizing agents reduce the amount of electrons in an atom making something called an iodine-ion. An iodine-ion is what forms when a molecule is oxidized. It is an electrolyte that disturbs the balance of ions in a cell. This reaction results in the death
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Companies‚ Inc. Oxidation-Reduction Reactions*Zn (s) + CuSO4 (aq) ZnSO4 (aq) + Cu (s) Zn is oxidized‚ Zn Zn2+ + 2e- Cu2+ is reduced‚ Cu2+ + 2e- Cu Zn is the reducing agent Cu2+ is the oxidizing agent Copper wire reacts with silver nitrate to form silver metal. What is the oxidizing agent in the reaction? Cu (s) + 2AgNO3 (aq) Cu(NO3)2 (aq) + 2Ag (s) Cu Cu2+ + 2e- Ag+ + 1e- Ag Ag+ is reduced‚ Ag+ is the oxidizing agentOxidation number*: The charge the
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Sodium Laureth Sulfate: Common use -A detergent cleansing agent‚ cleanses and emulsifies properties - Sodium laureth sulfate is often used in laundry and hand dishwashing detergents. In addition‚ it can be found in cleansers‚ carpet cleaners‚ toilet cleaning products‚ stain & odor removers‚ all-purpose cleaners‚ etc. Importance of chemical in the item -An effective foaming agent -An anionic detergent and surfactant - Sodium laureth sulfate works well as a degreaser. Physical and Chemical
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