This type of asthma accounts for half of all asthmatics. Allergens included‚ but are not limited to‚ are pollen‚ dust‚ and furry animals. Some dental materials such as resins‚ eugenol‚ impression materials‚ and latex can trigger an asthma attack (Grimes 135). Once the allergen is exposed‚ the allergen binds to the IgE‚ resulting in the mast cell releasing asthma mediators that cause “bronchoconstriction‚ vasodilation‚ and mucous
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------------------------------------------------- DENTAL • MATERIALS * Study of physical and chemical properties of the metallic and non-metallic materials used in dentistry OBJECTIVES 1. In order to know the basic physical and chemical properties as they are related to its manipulation by the dentist. 2. To bridge the gap between the knowledge obtained in the basic courses like chemistry‚ physics and its relation… Physical properties: hardness‚ strength‚ brittleness Chemical
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SYNOPSIS: *INTRODUCTION *FOOD SOURCES *ORAC IN FOODS *VITAMINS *CAROTENOID TERPENOIDS *FLAVONOIDS *PHENOLIC ACIDS AND THEIR ESTER *OTHER NONFLAVONOID PHENOLICS *POTENTIAL ORGANIC ANTIOXIDANT *ANTIOXIDANT IN FRUITS *CONCLUSION ANTI-OXIDANT INTRODUCTION: *An antioxidant is a molecule that inhibits the oxidation of other molecules. * Oxidation is a chemical reaction that transfers electrons or hydrogen from a substance to an oxidizing agent. Oxidation reactions can produce
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Introduction An essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants. Essential oils are also known as volatile oils‚ ethereal oils or aetherolea‚ or simply as the "oil of" the plant from which they were extracted‚ such as oil of clove. Volatile oils are the odorous and volatile products of various plant and animal species. As they have a tendency to undergo evaporation on being exposed to the air even at an ambient temperature‚ they are invariably termed
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CHAPTER IV PRESENTATION‚ ANALYSIS‚ AND INTERPRETATION This chapter presents analysis of the data gathered and the interpretation of findings. Discussion on the findings of the profile of the respondents and the system assessment are also presented in this chapter. 1. Profile of the Respondents 1. Age Table 3 shows the data of the respondents. Most of the respondents where students comprising of 56 or 42.74 percent whose ages ranged from 17-20 years old ranked first. This was followed
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The Feasibility of Guava [ Psidium Guajava L. ] and Rosemary [ Rosmarinus Officinalis ] Extract as an Air Freshener Arizza Rhen H. Sanguyo II – I Diamond Submitted in partial fulfillment of the requirements In Biology Marikina High School F Torres St. Concepcion I ‚ Marikina City June‚ 2012 Ms. Jacqueline Ladera Research Adviser The Feasibility of Guava [ Psidium Guajava L. ] and Rosemary [ Rosmarinus Officinalis
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PHARMACOGNOSY REVIEWER In pharmacognosy‚ drugs may be classified based on morphology‚ chemical constituents and therapeutic applications (NOT price in the market) Factors that influence secondary constituent: heredity‚ ontogeny‚ environment Chromatography: process based on distribution of mixture between 2 phases General Information Discoverers/Scientists Joseph Caventou & Pelletier Quinine antimalarial Pierre Robiquet Codeine/Narcotine Philip Geiger & Rudolf Brandes Hyoscyamine and
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Laboratory Experiment pubs.acs.org/jchemeduc NMR Kinetics of the SN2 Reaction between BuBr and I−: An Introductory Organic Chemistry Laboratory Exercise T. Andrew Mobley* Department of Chemistry‚ Grinnell College‚ Grinnell‚ Iowa 50112‚ United States S Supporting Information * ABSTRACT: A simple organic chemistry experiment is described that investigates the kinetics of the reaction between 1-bromobutane (BuBr) and iodide (I−) as followed by observing the disappearance of BuBr and the appearance
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Kingdom : Division: Class: Sub-class: Order : Family : Subfamily : Tribe : Genus : Species : Plantae Angiosperms Eudicots Rosids Sapindales Rutaceae Aurantioideae Clauseneae Aegle A. marmelos Bael (Aegle marmelos)‚ also known as Bengal quince‚ golden apple‚ stone apple‚ wood apple‚ bili‚ is a species of tree native to India. It is present throughout Southeast Asia as a naturalized species. The tree is considered to be sacred by Hindus. Its fruits are used in traditional
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Guava Leaves Extract (Component in making soap) treatment for acne [Bathing Soap] Chapter I: Background of the study: Nowadays people are focusing in herbal plants especially those who are common in the environment. One of the example is the guava plant (Psidium guajava Linn). Based on research this plant is good for healing and treating wounds and other skin infections. So in my research I wan’t to make a bathing soap out of it‚ cause I know that it is effective. People‚ researchers‚ scientists
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