• sodium
  • In spite of the fact that the first publication about sodium hypochlorite medicinal application in dentistry was in 1989 , modern hypochlorite solutions, produced by "Chlorox" (USA) and "Parcan" (France), are widely used in many Russian dental clinics due to their superiority over other disinfectants, such as alcohols, phenols, quarternary ammonium compounds, dichlorisocyanurats, etc . (bakhir.com)
  • This article's goal is to evaluate, based on published results of the original research work, the biocidal efficacy of the main chlorine-based liquid chemical germicides such as sodium hypochlorite, chlorinated water and hypochlorous acid in respect to their chemical equilibrium. (bakhir.com)
  • Sodium or lithium peroxides are preferred in space applications because of their lower molar mass and therefore higher oxygen yield per unit weight. (wikipedia.org)
  • The compound is more conveniently prepared by treatment of sodium chlorate and chlorine trifluoride and purified by vacuum fractionation, i.e. selectively condensing this species separately from other products. (wikipedia.org)
  • acids
  • organ system for circulating blood in animals The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis. (wikipedia.org)
  • The invention uses select organic compounds, including for example the following organic activator-stabilizers: heat-deactivated proteases and zwitterionic materials, such as amphoteric surfactants and amino acids and proteins. (google.com)
  • The law of definite proportions refers to the fixed composition of any compound formed between element A and element B. The law of multiple proportions describes the stoichiometric relationship between two or more different compounds formed between element A and element B. The law of reciprocal proportions was proposed in essence by Richter, following his determination of neutralisation ratios of metals with acids. (wikipedia.org)
  • Once in water, the naturally occurring fulvic acids and humic acids can lead to formation of mutagenic compounds such as halogenated furanone MX (Z-3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone). (wikipedia.org)
  • While combustion of hydrocarbon part of the compounds form CO2 and H2O, halo acids are formed from the halogens. (wikipedia.org)
  • synthesis
  • doi:10.1002/anie.201003379 Synthesis and Characterization of a Coordinated Oxoborane: Lewis Acid Stabilization of a Boron−Oxygen Double Bond Dragoslav Vidovic, Jennifer A. Moore, Jamie N. Jones, and Alan H. Cowley J. Am. Chem. (wikipedia.org)
  • Selenium monochloride is mainly used as a reagent for the synthesis of Se-containing compounds. (wikipedia.org)
  • react
  • Within the soil, the halo compounds resist degradation and often react with metal ions, resulting in non-degradable metal complexes, increasing soil toxicity and accumulating in the food chain of aquatic organisms. (wikipedia.org)
  • A complementary metalloprotein to those that react with oxygen is the oxygen evolving complex present in plants. (wikipedia.org)
  • This is because the solvated electrons react with the organic compound to form a radical anion, which decomposes by the loss of a chloride anion. (wikipedia.org)
  • relates
  • The present invention relates to a two-part antimicrobial system having an amine part and an oxygen part, where the two parts are mixed prior to use to form an improved antimicrobial composition. (google.com)
  • molecule
  • The primary oxygen transporter molecule is hemocyanin. (wikipedia.org)
  • The bond length is 149 pm, which is larger than in the ground state (triplet oxygen) of the oxygen molecule (3O2, 121 pm). (wikipedia.org)
  • Oxidases and oxygenases are metal systems found throughout nature that take advantage of oxygen to carry out important reactions such as energy generation in cytochrome c oxidase or small molecule oxidation in cytochrome P450 oxidases or methane monooxygenase. (wikipedia.org)
  • quaternary
  • The concept of nosocomial infections' prevention adopted in 1999 by the First Deputy Minister of Health of the Russian Federation indicates that the most promising groups of compounds for decontaminating various types of indoor surfaces and other objects in health institutions are cationic surface active agents (CSAA) - quaternary ammonium compounds (QAC) and some other organic compounds. (bakhir.com)
  • irradiation
  • after irradiation, "dioxins" (polychlorodibenzo-p-dioxins) are dechloroinated in the same way as PCBs can be converted to biphenyl an inorganic chloride. (wikipedia.org)
  • In addition to the reduction of organic compounds by the solvated electrons it has been reported that upon irradiation a pertechnetate solution, at pH 4.1 is converted to a colloid of technetium dioxide. (wikipedia.org)
  • compositions
  • It is to be understood, however, that the novel compounds of this invention are likely to be mixtures of tautomeric forms, the compositions of which are dependent on such factors as the nature of R R R and R and the environment. (google.es)
  • The methods and compositions according to the invention provide select organic compounds for the activation and stabilization of thermally labile enzymes, including proteases. (google.com)
  • Two separate examples of antimicrobial compositions include amine compositions and oxygen compositions. (google.com)
  • atoms
  • The peroxide ion is composed of two oxygen atoms that are linked by a single bond. (wikipedia.org)
  • In the second sense, an oxidizing agent is a chemical species that transfers electronegative atoms, usually oxygen, to a substrate. (wikipedia.org)
  • In more common usage, an oxidising agent transfers oxygen atoms to a substrate. (wikipedia.org)
  • Finally, the compound has been used to introduce bridging selenium ligands between the metal atoms of some iron and chromium carbonyl complexes. (wikipedia.org)
  • ketones
  • It converts hydrazones of hindered ketones into the corresponding selones, the structural analogs of ketones whereby the oxygen atom is replaced with a selenium atom. (wikipedia.org)
  • dioxins
  • For example, compounds like dioxins can inhibit the actions of sex hormones by binding to steroid receptors along with causing long lasting cell disruption in several tissues. (wikipedia.org)
  • metal ions
  • This theme relies on the study of the design and mechanism of action of metal-containing pharmaceuticals, and compounds that interact with endogenous metal ions in enzyme active sites. (wikipedia.org)
  • proteins
  • The hemolymph of lower arthropods, including most insects, is not used for oxygen transport because these animals respirate through other means, such as tracheas, but it does contain nutrients such as proteins and sugars. (wikipedia.org)
  • preparation
  • RuO2 is extensively used for the coating of titanium anodes for the electrolytic production of chlorine and for the preparation of resistors or integrated circuits. (wikipedia.org)
  • decomposes
  • This process relies on the temperature-dependent chemical balance between barium oxide and peroxide: the reaction of barium oxide with air at 500 °C results in barium peroxide, which upon heating to above 700 °C in oxygen decomposes back to barium oxide releasing pure oxygen. (wikipedia.org)
  • It decomposes rapidly on standing to bromic acid and oxygen. (wikipedia.org)
  • water
  • Chromated copper arsenate (CCA) is a water-soluble inorganic pesticide most commonly used as a wood preservative to make it resistant to attack by termites and fungi that cause decay. (cdc.gov)
  • Nowadays chlorine and chlorine-based compounds are extensively used for drinking water disinfection. (bakhir.com)
  • Na2O2 + 2 HCl → 2 NaCl + H2O2 Upon heating, the reaction with water leads to the release of oxygen. (wikipedia.org)
  • While strict regulations from the government have reduced the high level of past emissions, these compounds find their way to water sources through improper consumer disposal of items that contain chlorinated compounds. (wikipedia.org)
  • citation needed] With passage of the U.S. Safe Drinking Water Act in 2001, TOC analysis emerged as a quick and accurate alternative to the classical but more lengthy biological oxygen demand (BOD) and chemical oxygen demand (COD) tests traditionally reserved for assessing the pollution potential of wastewaters. (wikipedia.org)
  • form
  • As presented in number of scientific publications, the multicellular organisms, including human organism, form hypochlorous acid and super-active metastable oxy-chlorine- and hydroperoxi- compounds (mixture of metastable oxidants) by special cellular structures to defend organism against pathogens and foreign compounds [11, (bakhir.com)
  • The health effects of mercury exposure depend on its chemical form (elemental, inorganic or organic), the route of exposure (inhalation, ingestion or skin contact), and the level of exposure. (canada.ca)
  • Heme is utilized by red blood cells in the form of hemoglobin for oxygen transport and is perhaps the most recognized metal system in biology. (wikipedia.org)
  • In these compounds the boron and oxygen form a triple bond prone to cyclotrimerization to boroxines. (wikipedia.org)
  • If a deoxygenated mixture of PCBs in isopropanol or mineral oil is irradiated with gamma rays, then the PCBs will be dechlorinated to form inorganic chloride and biphenyl. (wikipedia.org)
  • amino
  • These compounds, useful inter alia as hypertensive agents, bear a substituent in both the 4- and the 5-positions which is a secondary or a tertiary amino moiety. (google.es)