Academic literature on the topic 'Organophosphorus acids'

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Journal articles on the topic "Organophosphorus acids"

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SELLA, C., and D. BAUER. "DIPHASIC ACIDO-BASIC PROPERTIES OF ORGANOPHOSPHORUS ACIDS." Solvent Extraction and Ion Exchange 6, no. 5 (1988): 819–33. http://dx.doi.org/10.1080/07366298808917967.

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Verweij, A., Ch E. Kientz, and J. Van Den Berg. "Liquid Chromatography of Organophosphorus Acids." International Journal of Environmental Analytical Chemistry 34, no. 3 (1988): 191–201. http://dx.doi.org/10.1080/03067319808026837.

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Kukhar, V. P., and V. A. Solodenko. "Organophosphorus analogs of amino acids and peptides." Theoretical and Experimental Chemistry 27, no. 3 (1991): 251–55. http://dx.doi.org/10.1007/bf01372488.

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Liu, Yuhui, Xin Cao, Zhiqi Liu, et al. "Electrochemical detection of organophosphorus pesticides based on amino acids-conjugated P3TAA-modified electrodes." Analyst 145, no. 24 (2020): 8068–76. http://dx.doi.org/10.1039/d0an01838d.

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Arisawa, Mieko. "Transition-Metal-Catalyzed Synthesis of Organophosphorus Compounds Involving P–P Bond Cleavage." Synthesis 52, no. 19 (2020): 2795–806. http://dx.doi.org/10.1055/s-0040-1707890.

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Organophosphorus compounds are used as drugs, pesticides, detergents, food additives, flame retardants, synthetic reagents, and catalysts, and their efficient synthesis is an important task in organic synthesis. To synthesize novel functional organophosphorus compounds, transition-metal-catalyzed methods have been developed, which were previously considered difficult because of the strong bonding that occurs between transition metals and phosphorus. Addition reactions of triphenylphosphine and sulfonic acids to unsaturated compounds in the presence of a rhodium or palladium catalyst lead to ph
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Belinskaya, D. A., A. A. Batalova, and N. V. Goncharov. "EFFECTS OF FATTY ACIDS ON BINDING AND ESTERASE ACTIVITY OF ALBUMIN TOWARDS ORGANOPHOSPHORUS COMPOUNDS ACCORDING TO MOLECULAR MODELING APPROACH." Toxicological Review, no. 3 (June 28, 2019): 26–32. http://dx.doi.org/10.36946/0869-7922-2019-3-26-32.

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One of the urgent tasks of clinical toxicology is the development of therapy aimed at stoichiometric and/or catalytic detoxification of organophosphorus compounds in the bloodstream, which will prevent the poison’s entering the neuromuscular and neuronal synapses and help to avoid irreversible consequences of poisoning. An auxiliary option for the detoxification of organophosphorus compounds in the bloodstream may be a directed effect on albumin, the main transport protein of the blood, by means of molecules modulating its binding and/or esterase properties. The aim of the present study is to
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Gomes, J., A. H. Dawodu, O. Lloyd, D. M. Revitt, and S. V. Anilal. "Hepatic injury and disturbed amino acid metabolism in mice following prolonged exposure to organophosphorus pesticides." Human & Experimental Toxicology 18, no. 1 (1999): 33–37. http://dx.doi.org/10.1177/096032719901800105.

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1 Chronic occupational exposure to organophosphorus and carbamate-type pesticides significantly inhibits acetylcholinesterase activity and causes morbidity. This study on mice was designed to evaluate their amino profile and to identify signs of hepatic dysfunction following their chronic exposure to mixtures of organophosphorus pesticides. 2 Laboratory mice were exposed to a formulated mixture of the six organophosphorus pesticides (Dimethoate, Chlorpyrifos, Profenofos, Pirimiphos methyl, Triazophos and Dimethoate) most commonly used in agriculture in this region of the Middle East. Doses (10
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Shumyantseva, V. V., S. V. Meshkov, Yu D. Ivanov, O. V. Alexandrova, V. Yu Uvarov, and A. I. Archakov. "Interaction of organophosphorus analogues of amino acids with P450." Xenobiotica 25, no. 3 (1995): 219–27. http://dx.doi.org/10.3109/00498259509061846.

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Prishchenko, Andrey A., Mikhail V. Livantsov, Ludmila I. Livantsova, et al. "Synthesis of New Functionalized Organophosphorus Acids and their Derivatives." Phosphorus, Sulfur, and Silicon and the Related Elements 147, no. 1 (1999): 341. http://dx.doi.org/10.1080/10426509908053650.

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Wils, E. R. J., and A. G. Hulst. "Determination of organophosphorus acids by thermospray liquid chromatography-mass spectrometry." Journal of Chromatography A 454 (January 1988): 261–72. http://dx.doi.org/10.1016/s0021-9673(00)88619-7.

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Dissertations / Theses on the topic "Organophosphorus acids"

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Chahal, Surinder P. "Organophosphorus acids for hydrometallurgical extraction. The synthesis of di(2-methylcyclohexyl)-, di(3-methylcyclohexyl)-, di(4-methylcyclohexyl)-, di(3,5-dimethylcyclohexyl)-, di(4-t-butylcyclohexyl)-, di(cyclohexylmethyl)- and dicyclohexyl- phosphinic; cyclohexylmethyl monocyclohexylmethylphosphonic; di(2-methylcyclohexyl)-, di(4-methylcyclohexyl)-, di(cyclohexylmethyl)- and di(cyclohexylethyl)- phosphoric acids and their evaluation as potential hydrometallurgical extractants for cobalt or nickel." Thesis, University of Bradford, 1987. http://hdl.handle.net/10454/4395.

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The syntheses and characterisation of di(cyclohexylmethyl), di(2-cyclohexylethyl), di(2-methylcyclohexyl) and di(4-methylcyclohexyl) phosphoric acids; cyclohexylmethyl phosphonic acid monocyclohexylmethyl ester, di(cyclohexylmethyl), di(4-methylcyclohexyl), di(4-tert- butylcyclohexyl), di(3-methylcyclohexyl), di(3,5-dimethylcyclohexy) and di(2-methylcyclohexyl) phosphinic acids are reported. Problems encountered and how they were resolved during the preparation of the above organophosphorus acids are reported and discussed in detail. These acids are then evaluated as potential hydrome
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Chahal, Surinder Pall. "Organophosphorus acids for hydrometallurgical extraction : the synthesis of di(2-methylcyclohexyl)-, di(3-methylcyclohexyl)-, di(4-methylcyclohexyl)-, di(3,5-dimethylcyclohexyl)-, di(4-t-butylcyclohexyl)-, di(cyclohexylmethyl)- and dicyclohexyl- phosphinic; cyclohexylmethyl monocyclohexylmethylphosphonic; di(2-methylcyclohexyl)-, di(4-methylcyclohexyl)-, di(cyclohexylmethyl)- and di(cyclohexylethyl)- phosphoric acids and their evaluation as potential hydrometallurgical extractants for cobalt or nickel." Thesis, University of Bradford, 1987. http://hdl.handle.net/10454/4395.

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The syntheses and characterisation of di(cyclohexylmethyl), di(2-cyclohexylethyl), di(2-methylcyclohexyl) and di(4-methylcyclohexyl) phosphoric acids; cyclohexylmethyl phosphonic acid monocyclohexylmethyl ester, di(cyclohexylmethyl), di(4-methylcyclohexyl), di(4-tert- butylcyclohexyl), di(3-methylcyclohexyl), di(3,5-dimethylcyclohexy) and di(2-methylcyclohexyl) phosphinic acids are reported. Problems encountered and how they were resolved during the preparation of the above organophosphorus acids are reported and discussed in detail. These acids are then evaluated as potential hydrometallurgic
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Dixon, Jay Anthony. "Hypophosphorous acid as a precursor to various organophosphorus compounds." Thesis, Manchester Metropolitan University, 2016. http://e-space.mmu.ac.uk/608778/.

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The work presented in this thesis is based on the common theme, of the use of hypophosphorous acid as a starting material for the synthesis of functionalised organophosphorus compounds. Hypophosphorous acid and its salts have gained attention as potentially greener precursors, than PCl3, to a range of organophosphorus compounds. An investigation into an alternative synthesis of perfluoroalkylphosphorus(V) compounds is presented. The reaction of hypophosphorous acid derived bis(trimethylsilyl)phosphonite [(Me3SiO)2PH] (BTSP) and bis(trimethylsilyl)- phenylphosphonite [(Me3SiO)2PPh] (BTSPP) with
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Pieda, Doreen Cecilia. "Acid and base catalysed aqueous hydrolysis of the organophosphorus pesticide, diazinon." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ59396.pdf.

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Ong, Kate K. Wei Yen. "Encapsulation of organophosphorus acid anhydrolase (OPAA) in nanostructured materials for the detection and decontamination of chemical warfare agents /." Philadelphia, Pa. : Drexel University, 2006. http://dspace.library.drexel.edu/handle/1860%20/895.

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Principe, Frank T. "Separation of iron(III) from zinc sulphate-sulphuric acid solutions using organophosphoric acid extractants." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0016/MQ55025.pdf.

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Mihaylov, Indje O. (Indje Ognianov). "Gallium solvent extraction from sulphate solutions using organophosphoric acid reagents (D2EHPA, OPAP)." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70338.

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The subject of this work is gallium extraction from sulphate solutions--an additional source of this metal from hydrometallurgical zinc production--with organophosphorus acid reagents: di-2-ethyl hexyl phosphoric acid (D2EHPA) and OPAP, a mixed extractant consisting of mono- and di-octyl phenyl phosphoric acids. Extraction proceeds via cation-exchange and Ga$ sp{3+}$ is the reacting species. Gallium is extracted with D2EHPA mostly as GaR$ sb3$ - HR. The results for OPAP suggest existence of four reactions, which form GaM$ sb3,$ GaM$ sb2$D, GaMD$ sb2,$ and GaD$ sb3;$ this explains and allows pr
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Ménager, Matthieu. "Photodégradation de pesticides organophosphorés en solution aqueuse et sur argiles : étude mécanistique." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2007. http://tel.archives-ouvertes.fr/tel-00718364.

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Le pesticide organophosphoré azinphos-méthyle (AZM) voit son efficacité de photodégradation augmenter avec l'énergie d'excitation, vraisemblablement dû à des différences de réactivité entre états excités. Sa dégradation sous excitation directe conduit à la formation de benzotrione qui se dégrade en l'acide anthranilique. Un autre organophosphoré, le cyanophos, se dégrade sous excitation directe en faisant intervenir les états excités triplet et singulet pour former : le 4-cyanophénol, le cyanophos-oxon et un dérivé de l'acide benzoïque. Le dépot de l'AZM dans l'argile conduit à une meilleur ab
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FOURCOT, FABRICE. "Separation des terres rares au moyen de composes organophosphores acides, etude structure-activite par modelisation moleculaire." Paris 6, 1991. http://www.theses.fr/1991PA066122.

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Les extractants organophosphores acides ont ete largement etudies pour la separation des terres rares, mais la creation d'extractants presentant une meilleure selectivite est encore en grande partie empirique. Pour ameliorer l'efficacite des recherches d'extractants plus selectifs, nous avons utilise les methodes de modelisation moleculaire. Si l'utilisation de ces methodes dans les domaines de la chimie organique et pharmaceutique est maintenant bien developpee, elles ne sont pas encore bien adaptees pour traiter des complexes organometalliques en solution. Nous avons adapte une methode a cha
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Maffei, Michel. "Réactions de Diels Alder avec des philodiènes organophosphores catalyse par les acides de Lewis et synthèse asymétrique /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37615552d.

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Books on the topic "Organophosphorus acids"

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Esch, G. J. van. Flame retardants: Tris(2-butoxyethyl) phosphate, tris(2-ethylhexyl) phosphate and tetrakis(hydroxymethyl) phosphonium salts. World Health Organization, 2000.

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Kukhar, Valery P., and Harry R. Hudson. Aminophosphonic and Aminophosphinic Acids: Chemistry and Biological Activity. Wiley, 2000.

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P, Kukharʹ V., ed. Aminophosphonic and aminophosphinic acids: Chemistry and biological activity. Wiley, 2000.

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Chemistry and Application of H-Phosphonates. Elsevier Science, 2006.

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Chahal, Surinder Pall. Organophosphorus acids for hydrometallurgical extraction: The synthesis of --- phosphinic and --- phosphoric acids and their evaluation as potential hydrometallurgical extractants for cobalt or nickel.. 1987.

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Hartley, Frank R. The Chemistry of Organophosphorus Compounds, Ter- and Quinque-Valent Phosphorus Acids and Their Derivatives (Chemistry of Functional Groups). Wiley, 1996.

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Golshekan, Hamid Reza. The kinetics of the extraction of cobalt in a growing drop cell: Organophosphorus acids in growing solvent drops are used to extract cobalt from aqueous phases. A mathematical model describesvariation of extraction rate with concentration, pH and acid type. 1986.

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Richards, Carolyn L. K. Induction of autoantibodies in MRL/lpr mice exposed to 2% aniline denatured low-erucic acid rapeseed oil, an oil associated with the Spanish Toxic Oil Syndrome. 1998.

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Noellgen, Ruth. Characterization of the organophosphate acid anhydrase in the marine mussel, Mytilus edulis. 1991.

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Westra, Brian. Initial characterization of an organophosphate acid anhydrase in the chicken, Gallus domesticus. 1991.

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Book chapters on the topic "Organophosphorus acids"

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Balczewski, Piotr, and Joanna Skalik. "Quinquevalent phosphorus acids." In Organophosphorus Chemistry. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016988-00234.

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Balczewski, Piotr, and Joanna Wilk. "Quinquevalent phosphorus acids." In Organophosphorus Chemistry. Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/9781788019491-00198.

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Balczewski, Piotr, and Agnieszka Bodzioch. "Quinquevalent phosphorus acids." In Organophosphorus Chemistry. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782626930-00196.

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Balczewski, Piotr, and Krzysztof Owsianik. "Quinquevalent phosphorus acids." In Organophosphorus Chemistry. Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781839163814-00271.

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Guga, Piotr, Anna D. Maciaszek, and Ewa Radzikowska. "Nucleotides and nucleic acids: mononucleotides." In Organophosphorus Chemistry. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016988-00199.

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Guga, Piotr, and Anna D. Maciaszek. "Nucleotides and nucleic acids: mononucleotides." In Organophosphorus Chemistry. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782626930-00170.

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Pereira, Mariette M., Rui M. B. Carrilho, and Mário J. F. Calvete. "Tervalent phosphorus acid derivatives." In Organophosphorus Chemistry. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016988-00064.

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Pereira, Mariette M., Rui M. B. Carrilho, Sara M. A. Pinto, and Mário J. F. Calvete. "Tervalent phosphorus acid derivatives." In Organophosphorus Chemistry. Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/9781788019491-00110.

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Pereira, Mariette M., Rui M. B. Carrilho, and Mário J. F. Calvete. "Tervalent phosphorus acid derivatives." In Organophosphorus Chemistry. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782626930-00051.

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Pereira, Mariette M., Rui M. B. Carrilho, and Mário J. F. Calvete. "Tervalent phosphorus acid derivatives." In Organophosphorus Chemistry. Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781839163814-00115.

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Conference papers on the topic "Organophosphorus acids"

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Roslavtseva, S. A., and K. S. Krivonos. "INORGANIC SUBSTANCES AND THEIR EFFECTS ON INSECTS." In V International Scientific Conference CONCEPTUAL AND APPLIED ASPECTS OF INVERTEBRATE SCIENTIFIC RESEARCH AND BIOLOGICAL EDUCATION. Tomsk State University Press, 2020. http://dx.doi.org/10.17223/978-5-94621-931-0-2020-76.

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The return of interest in the use of inorganic substances as insecticides is associated with the development of resistance to traditional organic insecticides from the classes of organophosphorus compounds (OPs), carbamates and pyrethroids in populations of insect vectors of pathogens. In this regard, we have developed an insecticide based on a mixture of diatomaceous powder (DP) with silica gel, which is recommended primarily for controlling resistant populations of bed bugs, as well as German cockroaches, fleas, and crickets, and a special insecticide (a mixture of DP with boric acid) for co
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Guo, Zhongxian, Qiantao Cai, and Zhaoguang Yang. "Determination of Water-Soluble Organophosphorus Herbicides by Ion Chromatography With Inductively Coupled Plasma Mass Spectrometry Detection." In 1st Water Quality, Drought, Human Health and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/water2006-20024.

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There is a high risk for human exposure to organophosphorus pesticides through contaminated drinking water. Glyphosate, glufosinate, fosamine and ethephon are among the water-soluble herbicides used currently. Sensitive and rapid analytical methodologies are critical for evaluating their residuals in a broad variety of samples, including environmental waters. However, challenges arise from the inherent chemical properties of the herbicides: strong polarity, high solubility in water, insolubility in organic solvent (except ethephon), absence of chromophore or fluorophore in their molecular stru
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Birtane, Hatice. "The production of flame retardant paper with DOPO." In 10th International Symposium on Graphic Engineering and Design. University of Novi Sad, Faculty of technical sciences, Department of graphic engineering and design,, 2020. http://dx.doi.org/10.24867/grid-2020-p16.

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Flame retardant property to paper increases the use of paper and the value of paper products. The flame retardant property was achieved by the addition of an organophosphorus agent to the paper. A great deal of research has been done on 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) derivatives as flame retardants. To apply the flame retardant property in condensed phase, DOPO derivative materials are generally used as an acid source for intumescent flame retardants to promote dehydration and carbonization of the charring agent to form a continuous layer of carbon. In this study, In
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Reports on the topic "Organophosphorus acids"

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Quiocho, Florante A., and Alexei Nickitenko. Atomic Crystal Structure of an Organophosphorus Acid Anhydrolase. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada422943.

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Guelta, Mark A., Steven P. Harvey, Melissa M. Dixon, and Richard Baldwin. Immobilization of Organophosphorus Acid Anhydrolase Mutant Y212F on Silica Nanospheres. Defense Technical Information Center, 2016. http://dx.doi.org/10.21236/ad1018277.

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