Academic literature on the topic 'Dioxane'

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Journal articles on the topic "Dioxane"

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Lee, Kang Hoon, Young Min Wie, Deokjin Jahng, and Ick Tae Yeom. "Effects of Additional Carbon Sources in the Biodegradation of 1,4-Dioxane by a Mixed Culture." Water 12, no. 6 (2020): 1718. http://dx.doi.org/10.3390/w12061718.

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A mixed culture utilizing 1,4-dioxane as a sole carbon and energy source was obtained from the activated sludge at a textile wastewater treatment plant. The biodegradation of 1,4-dioxane was characterized by a model based on the Monod equation. The effects of the presence of easily degradable carbon sources other than 1,4-dioxane were investigated using dextrose. Structural analogs commonly found in 1,4-dioxane-containing wastewater such as tetrahydrofuran (THF), 2-methyl-1,3-dioxolane, and 1,4-dioxene were also evaluated for their potential effects on 1,4-dioxane biodegradation. The presence
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Šafář, Peter, František Považanec, Naďa Prónayová, et al. "Dichotomy in the Ring Opening Reaction of 5-[(2-Furyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione with Cyclic Secondary Amines." Collection of Czechoslovak Chemical Communications 65, no. 12 (2000): 1911–38. http://dx.doi.org/10.1135/cccc20001911.

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5-[(2-Furyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione (1a) treated with equimolar amount of pyrrolidine or hexahydroazepine afforded 5-(pyrrolidine)- (2a) or 5-[(hexahydro- azepine-1-yl)-2-hydroxypenta-2,4-dien-1-ylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione (2d). Their treatment with hydrobromic acid led to cyclization and formation of stable 5-cyclopentenyl-4H-1,3-dioxine hydrobromides (3a, 3d). Under the same conditions 1a treated with morpholine or piperidine yielded a mixture of 2b, 3b and 2c, 3c, respectively. The corresponding 3-substituted furans 1b-1e gave only substituted 5-cyclo
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Griesbaum, Karl, Gilbert Kiesel, Henri Mertens, Petra Krieger-Beck, and Henning Henke. "Acid-catalyzed reactions of six- and seven-membered cyclic hemiperacetals and peracetals and of related bicyclic ozonides." Canadian Journal of Chemistry 72, no. 11 (1994): 2198–204. http://dx.doi.org/10.1139/v94-280.

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HCl-catalyzed reactions of the hemiperacetals 3-methoxy-3-methyl-7-hydroxy-1,2-dioxepane (1a) and 3-methoxy-3-methyl-6-hydroxy-1,2-dioxane (1b) and of the related ozonides 1-methyl-6,7,8-trioxabicyclo[3.2.1]octane (2a) and 1-methyl-5,6,7-trioxabicyclo[2.2.1]heptane (2b) gave peroxidic monocyclic (11—13), bicyclic (14), and (or) tricyclic (15) products. By contrast, reactions of the peracetals corresponding to 1a and 1b, viz., 3-methyl-3,7-dimethoxy-1,2-dioxepane (13a) and 3-methyl-3,6-dimethoxy-1,2-dioxane (13b) gave only non-peroxidic products. Reactions of the persubstituted peracetals 3,6-d
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Malkapuram, Surya Teja, Shirish Hari Sonawane, Manoj P. Rayaroth, et al. "The Sonocatalytic Activation of Persulfates on Iron Nanoparticle Decorated Zeolite for the Degradation of 1,4-Dioxane in Aquatic Environments." Catalysts 13, no. 7 (2023): 1065. http://dx.doi.org/10.3390/catal13071065.

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In the chemical industry, 1,4-diethylene dioxide, commonly called dioxane, is widely used as a solvent as well as a stabilizing agent for chlorinated solvents. Due to its high miscibility, dioxane is a ubiquitous water contaminant. This study investigates the effectiveness of catalyst- and ultrasound (US)-assisted persulfate (PS) activation with regard to degrading dioxane. As a first step, a composite catalyst was prepared using zeolite. A sonochemical dispersion and reduction method was used to dope zeolite with iron nanoparticles (FeNP/Z). In the subsequent study, the reaction kinetics of d
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Borisova, Yu G., A. K. Bulgakov, N. S. Khusnutdinova, et al. "Synthesis and antimicrobial activity of functionally substituted 1,3-dioxacycloalkanes." Proceedings of Universities. Applied Chemistry and Biotechnology 14, no. 4 (2025): 453–61. https://doi.org/10.21285/achb.954.

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One of the directions in the development of organic chemistry is the synthesis of biologically active compounds, including those with bactericidal activity, based on available petrochemical raw materials. In order to expand the library of bioactive compounds containing a 1,3-dioxacyclane fragment, the synthesis of derivatives of 5-acyl-5-isopropyl-1,3-dioxane – 1-(5-isopropyl-1,3-dioxane-5-yl)ethanol and (5-isopropyl-1,3-dioxane-5-yl)ethyl phenyl carbamate was carried out. The effect of synthesized compounds containing a 1,3-dioxacyclane fragment on the growth of strains of gram-negative and g
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Vainberg, Simon, Kevin McClay, Hisako Masuda, et al. "Biodegradation of Ether Pollutants by Pseudonocardia sp. Strain ENV478." Applied and Environmental Microbiology 72, no. 8 (2006): 5218–24. http://dx.doi.org/10.1128/aem.00160-06.

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ABSTRACT A bacterium designated Pseudonocardia sp. strain ENV478 was isolated by enrichment culturing on tetrahydrofuran (THF) and was screened to determine its ability to degrade a range of ether pollutants. After growth on THF, strain ENV478 degraded THF (63 mg/h/g total suspended solids [TSS]), 1,4-dioxane (21 mg/h/g TSS), 1,3-dioxolane (19 mg/h/g TSS), bis-2-chloroethylether (BCEE) (12 mg/h/g TSS), and methyl tert-butyl ether (MTBE) (9.1 mg/h/g TSS). Although the highest rates of 1,4-dioxane degradation occurred after growth on THF, strain ENV478 also degraded 1,4-dioxane after growth on s
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Lu, Yaobin, Hualei Shi, Jialiang Yao, Guangli Liu, Haiping Luo, and Renduo Zhang. "1,4-dioxane degradation using a pulsed switching peroxi-coagulation process." Journal of Water Reuse and Desalination 11, no. 2 (2021): 268–78. http://dx.doi.org/10.2166/wrd.2021.092.

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Abstract Widely used in chemical product manufacture, 1,4-dioxane is one of the emerging contaminants, and it poses great risk to human health and the ecosystem. The aim of this study was to degrade 1,4-dioxiane using a pulsed switching peroxi-coagulation (PSPC) process. The electrosynthesis of H2O2 on cathode and Fe2+ production on iron sacrifice anode were optimized to enhance the 1,4-dioxane degradation. Under current densities of 5 mA/cm2 (H2O2) and 1 mA/cm2 (Fe2+), 95.3 ± 2.2% of 200 mg/L 1,4-dioxane was removed at the end of 120 min operation with the optimal pulsed switching frequency o
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Zhong, Guo Lun, Yu Jiao Jiang, Rong Li, Fei Chen, Hong Lei Mao, and Yong Hong Wang. "Preparation and Optical Properties of Poly[3,4-Bis-(1,3-Dioxane-2-Ylethyl)] Thiophene." Advanced Materials Research 391-392 (December 2011): 1423–26. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.1423.

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A new polythiophene derivative, poly[3,4-bis-(1,3-dioxane-2-ylethyl) thiophene] (PBDT) with two 1,3-dioxane groups was synthesized via two-step strategy. Firstly, a precursor polymer poly(3,4-dibromothiophene) (PDBrT) was prepared, and secondly the bromo-atoms were substituted by 1,3-dioxan-2-ylethyl groups to get the target polymer. The later reaction was monitored by FTIR spectroscopy. Molecular weights of PBDT were measured by GPC. In addition, the optical absorption and photoluminescence (PL) of PBDT and PDBrT were investigated and demonstrated that the maximum emission wavelength of PBDT
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McClelland, Robert A., and Claude Moreau. "Reversible ring opening in the hydrolysis of spiro ortho esters." Canadian Journal of Chemistry 63, no. 10 (1985): 2673–78. http://dx.doi.org/10.1139/v85-444.

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Hydrolysis kinetics are reported for four spiro ortho esters: 3,4-dihydro-6-methoxy-1H-2-benzopyran-1-spiro-2′-1′,3′-dioxolane (13), its 1′,3′-dioxane analog (14), and the 6-unsubstituted versions of each (11 and 12). For comparison, also included are the diethoxy analogs: 1,1-diethoxy-3,4-dihydro-6-methoxy-1H-2-benzopyran (10) and the 6-unsubstituted compound (9). Product analysis implicates an initial opening of the dioxolane or dioxane ring in the spiro ortho esters, as expected on the basis of stereoelectronic considerations. The intermediate dialkoxycarbocations can be observed in HCl sol
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Gärtner, Martin, Helmar Görls та Matthias Westerhausen. "Poly[[μ-dioxane-κ2O:O′-dioxane-κO-μ-diphenylamido-κ2N:N-potassium] dioxane solvate]". Acta Crystallographica Section E Structure Reports Online 63, № 9 (2007): m2287—m2288. http://dx.doi.org/10.1107/s1600536807037427.

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Dissertations / Theses on the topic "Dioxane"

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Ward, William Jackson. "1,4-Dioxane Remediation Using a Constructed Wetland." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/195111.

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This research addressed the question whether a constructed wetland system with phytoremediation could successfully uptake 1,4-Dioxane in groundwater and secondary effluent. It further addressed whether open pond storage could successfully treat wetland discharge. The project was located at the University of Arizona's Constructed Ecosystems Research Facility (CERF) in Tucson, Arizona. This two-year field study was motivated by previous laboratory studies which demonstrated the capability of plants to remediate the recalcitrant contaminant 1,4-Dioxane.The study was conducted in two open steel
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Bhattacharjee, Linkon. "DEGRADATION OF 1,4-DIOXANE USING METALLIC NANOPARTICLES UNDER VISIBLE LIGHT." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/theses/2655.

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1,4-dioxane is an emerging contaminant and fully miscible organic compound which has been found extensively in wastewater effluent. Conventional water treatment technologies like carbon adsorption, and air stripping are inefficient in removing this extremely mobile and persistent contaminant from water. In this study, different types of metallic nanoparticles, e.g., nanoscale zero-valent iron (nZVI), γFe2O3, and Fe(III)-doped TiO2 were used to investigate the removal of 1,4-dioxane under visible light. These nanoparticles were characterized with scanning electron microscope (SEM), transmission
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Witt, Betsy Suzanne. "Bioaugmentation of TreeWells® to Enhance the Aerobic Degradation of 1,4-Dioxane at High Concentrations." Ohio University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1534768504663964.

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Dong, Chu Chuan. "Fluorinated tolane and dioxane liquid crystals for ferroelectric display applications." Thesis, University of Hull, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301499.

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DEL, BELLO FABIO. "1,4-Dioxane Nucleus as a Suitable Scaffold for the Characterization of Different Receptor Systems." Doctoral thesis, Università degli Studi di Camerino, 2009. http://hdl.handle.net/11581/401936.

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One of the strategies, which can lead to the discovery of novel biologically active compounds and over the last 20 years has emerged as a fruitful approach, is the identification and use of molecular scaffolds with versatile binding properties. For such structures, bearing appropriate molecular decoration and, therefore, able to recognize with high affinity more unrelated targets, the term ''privileged structure'' has been proposed. In this study it has been demonstrated that the properly substituted 1,4-dioxane nucleus has proven to be a suitable scaffold for: a) potent muscarinic receptor (m
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Abdellaoui, Abdelghani. "Acidité et propriétés complexantes de la diphénylcarbazone en milieu aqueux et en milieu eau-dioxane." Lille 1, 1991. http://www.theses.fr/1991LIL10148.

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La diphénylcarbazone est un monoacide très faible. La constante d'acidité, définie par pH-métrie, spectrophotométrie U. V. -visible et polarographie, à une valeur moyenne, exprimée en pKM, de 9,1±0,2 en milieu aqueux. Dans ce même milieu, nous avons déterminé les complexes avec Zn2+, Cd2+, Ni2+ et Cu2+ par spectrophotométrie. Nous obtenons uniquement les complexes supérieurs MLn (2≥n≥3). Les sels alcalins (Na+, K+) ont été étudiés par spectrophotométrie I. R. , diffraction des rayons X et thermogravimétrie. En milieu eau-dioxane (50%-50%), la constante d'acidité et les complexes ont été déterm
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Dietrich, Michael Thomas. "COMBINED OZONE AND ULTRASOUND PROCESS FOR THE DESTRUCTION OF 1,4-DIOXANE IN CONTINUOUS FLOW REACTOR." Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/408072.

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Civil Engineering<br>Ph.D.<br>Clean water is essential to life. Growth in world population, changing diets, and a warming climate are driving an increase in the demand for water. Better management of water resources will help prevent scarcity, but in order to fully meet the future demand for safe, clean drinking water, new water treatment technologies are needed. This dissertation investigates a technology which is not well understood; the combination of ozone and ultrasound as potentially an efficient technology. Since nearly all previously published studies of combined ozone/ultrasound utili
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BONIFAZI, ALESSANDRO. "Molecular and Stereochemical Requirements of 1,4-Dioxane Ligands for the Interaction with Different Receptor Systems." Doctoral thesis, Università degli Studi di Camerino, 2014. http://hdl.handle.net/11581/401834.

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A strategy that can lead to the discovery of novel biologically active compounds, and over the last 20 years has emerged as a fruitful approach, is the identification and use of molecular scaffolds with versatile binding properties. For such structures, bearing appropriate molecular decoration and, therefore, able to recognize with high affinity more unrelated targets, the term ''privileged structure'' has been proposed. The 1,4-dioxane nucleus is a versatile scaffold to obtain drugs directed to mAChRs, α1-ARs, and 5-HT1A receptors. The aim of this PhD thesis was to extend the previous struct
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Balog, Mirela. "Synthèse et analyse structurale de nouveaux coronands, cyclophanes et composés 1,3-dioxaniques." Rouen, 2004. http://www.theses.fr/2004ROUES004.

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L'étude stéréochimique de quelques dérivés 1,3-dioxaniques, obtenus à partir du méso-2,4-pentanediol, de la 2,6-diacétylpyridine et des 5-aryl-2-furaldéhydes, réalisée dans la première partie de notre travail, a montré des préférences conformationnelles de divers substituants en position 2 de l'hétérocycle. L'atropoisomérie de quelques dérivés possédant des substituants aromatiques et la différenciation en spectrométrie de masse des isomères cis et trans des 1,3-dioxanes substitués en positions 2,4 et 6 ont été étudiée. Dans la deuxième partie, nous avons réalisé la synthèse et l'analyse struc
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Mahdi, Ali Jafar. "Studies of the physical and chemical properties of 1,4 dioxane and their relevance to adsorption and transdermal absorption." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/18291.

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Doctor of Philosophy<br>Department of Diagnostic Medicine/Pathobiology<br>Deon van der Merwe<br>1,4-Dioxane is a potentially carcinogenic solvent. It is a problematic groundwater contaminant because of its unique physical-chemical properties. It is found in a wide range of consumer products as a by-product contaminant. This research aimed to investigate contaminant properties and behavior of dioxane in the environment and also in the human body. The dioxane ability to decontamination by adsorption processes was evaluated with four adsorbents. The adsorption efficiencies of activated carbon (AC
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Books on the topic "Dioxane"

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United States. Agency for Toxic Substances and Disease Registry, ed. Toxicological profile for 1,4-dioxane. U.S. Department of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, 2006.

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Wilbur, Sharon B. Draft toxicological profile for 1,4-dioxane. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, 2007.

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B, Wilbur Sharon, Syracuse Research Corporation, and United States. Agency for Toxic Substances and Disease Registry., eds. Toxicological profile for 1,4-dioxane. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, 2006.

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Corporation, Syracuse Research, and United States. Agency for Toxic Substances and Disease Registry., eds. Draft toxicological profile for 1,4-dioxane. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, 2004.

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Hartung, Rolf. Health and environmental effects assessment for l,4-dioxane. Gelman Sciences, 1989.

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Centre, Bhabha Atomic Research, ed. Low level estimation of 1,4-Dioxane in ambient air. Bhabha Atomic Research Centre, 2007.

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Kabushiki Kaisha Kaneka Tekuno Risāchi. Heisei 20-nendo daiokishin-rui mikisei hasseigen kentō chōsa hōkokusho. Kaneka Tekuno Risāchi, 2009.

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Julie, Stickney, and Diguiseppi Bill, eds. Environmental investigation and remediation: 1,4-dioxane and other solvent stabilizers. Taylor & Francis, 2010.

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P, Kazakov V., Tolstikov G. A, and Vasilʹev R. F, eds. Khimii͡a︡ i khemili͡u︡minest͡s︡ent͡s︡ii͡a︡ 1,2-dioksetanov. "Nauka", 1990.

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Pearce, Robert. Picosecond laser study of the rotational dynamics of the resorufin anion in the binary solvents water/dioxane and water/THF. National Library of Canada, 1990.

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Book chapters on the topic "Dioxane"

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Gooch, Jan W. "Dioxan (Dioxane)." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3761.

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Hallenbeck, William H., and Kathleen M. Cunningham-Burns. "Dioxane." In Pesticides and Human Health. Springer New York, 1985. http://dx.doi.org/10.1007/978-1-4612-5054-8_34.

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Gooch, Jan W. "1,4-Dioxane." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3762.

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Ware, George W. "p-Dioxane." In Reviews of Environmental Contamination and Toxicology. Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3922-2_10.

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Lide, David R. "1,4-Dioxane." In Handbook of Organic Solvents. CRC Press, 2024. http://dx.doi.org/10.1201/9781003575191-194.

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Howard, Philip H., Gloria W. Sage, William F. Jarvis, and D. Anthony Gray. "1,4-Dioxane." In Handbook of Environmental Fate and Exposure Data For Organic Chemicals, Volume II. CRC Press, 2023. http://dx.doi.org/10.1201/9781003418863-32.

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Howard, Philip H., Edward M. Michalenko, William M. Meylan, et al. "1,3-Dioxane." In Handbook of Environmental Fate and Exposure Data for Organic Chemicals, Volume IV. CRC Press, 2023. http://dx.doi.org/10.1201/9781003418887-40.

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Bell, Caitlin H., and Norman D. Forsberg. "1,4-Dioxane." In Emerging Contaminants Handbook. CRC Press, 2019. http://dx.doi.org/10.1201/b22226-2.

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Winkelmann, J. "Diffusion of 1,4-dioxane (1); carbon dioxide (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_1233.

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Hirota, E., K. Kuchitsu, T. Steimle, J. Vogt, and N. Vogt. "107 C4H8O2 1,3-Dioxane." In Molecules Containing Three or Four Carbon Atoms and Molecules Containing Five or More Carbon Atoms. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41504-3_108.

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Conference papers on the topic "Dioxane"

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Tuthill, A. H., and D. E. Bardsley. "Performance of Highly Alloyed Materials in Chlorination Bleaching." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92323.

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Abstract Mills are currently increasing chlorine dioxide substitution to 50% and more in the chlorination stage in order to reduce dioxins. Reexamination of the TAPPI Phase II data base indicates that up to, at least 48% chlorine dioxide substitution there is no significant difference in alloy performance as determined in the Phase II evaluation program in bleach plant washer environments. Phase II data on localized corrosion replotted provides new and better guidelines on boundary conditions. Based on the wide range in pH, residual chlorine, temperature and chloride covered in these exposures
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Li, Xi, H. Baumgart, C. Bott, et al. "Electron beam irradiation of 1,4 dioxane." In 14th International Topical Meeting on Nuclear Applications of Accelerators (AccApp'21), November 30 - December 3, 2021, Washington, DC. US DOE, 2021. http://dx.doi.org/10.2172/1973201.

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Chinnasami, Harish, George Idicula, Daniel Hayes, and Ram Devireddy. "Effect of Controlled Rate Freezing on the Microstructural Properties of Poly (L-lactic Acid) Scaffolds." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87558.

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Bio-degradable poly (l-lactic acid) (PLLA) scaffolds were prepared by using thermally induced phase separation (TIPS) method. A solution of PLLA-Dioxane was formed by dissolving PLLA in dehydrated 1,4-Dioxane at three wt/vol percentages, specifically 3, 7 and 10%. This PLLA-Dioxane solution was then frozen in borosilicate glass vials (5mL) at three cooling rates (1, 10 and 40 °C/min) in a commercially available controlled rate freezer (CRF). The frozen solution was freeze-dried to sublimate the dioxane. The microstructural properties of the resulting PLLA scaffolds were determined utilizing Sc
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Chinnasami, Harish, Frank Breeden, Daniel Hayes, and Ram Devireddy. "Influence of Freezing (Thermal) Profiles on the Morphology and Mechanical Properties of Poly (L-Lactic Acid) Scaffolds." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80119.

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Bio-degradable Poly (l-lactic acid) (PLLA) scaffolds were prepared by using thermal liquid-liquid phase separation method. A solution of PLLA-Dioxane was prepared by dissolving PLLA in dehydrated 1,4-Dioxane. This PLLA-Dioxane solution was then directionally frozen in vials of similar dimensions but made of different materials (borosilicate glass, aluminum and copper). The frozen solution was then placed in a freeze-dryer to allow for the frozen dioxane to sublimate or lyophilized. The porosities of the resulting PLLA scaffolds were calculated and their porous structures were studied and compa
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Rizvi, Reza R., Jae K. Kim, and Hani E. Naguib. "Processing and MWNT Composition Effects on the Thermal, Electrical and Mechanical Properties of PLA-MWNT Composites." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11314.

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This paper investigates the processing and its effects and the effect of multiwall carbon nanotube (MWNT) composition on the thermal, electrical and mechanical properties of polylactide (PLA)-MWNT composites. The composite films were prepared by a solvent casting process using two solvents, chloroform and 1,4-dioxane. The dispersion of the MWNTs in PLA was examined using a scanning electron microscope and was found to be more improved when 1,4-dioxane was used as the solvent as compared to chloroform. The thermal characteristics of the composites were examined on Differential Scanning Calorime
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RAJENDRAN, VIGNESWARAN, and Dhinesh Balasubramanian. "Influence of Injection Parameters on Performance and Emission of DI Diesel Engine Fuelled by 1,4-Dioxane Emulsified Fuel." In International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility. SAE International, 2020. http://dx.doi.org/10.4271/2020-28-0518.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;The pattern of utilizing the water/diesel emulsion fuels in engines had been given great importance due to its ecological and exhaustion of petroleum reserves. This investigation displays the impact of 1,4-dioxane emulsified fuel on performance and emissions at various operating pressures. 1,4-dioxane emulsified fuel (DWSD10) was prepared with 10% 1,4-dioxane, 10% water, 0.2% surfactant and 79.8% diesel. To estimate the engine performance and emissions, the engine was operated with 180 bar, 200 bar and 220 bar operating
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Chinnasami, H., and R. Devireddy. "Osteo-Induction of Human Adipose Derived Stem Cells Cultured on Poly (L-Lactic Acid) Scaffolds Prepared by Thermally Induced Phase Separation Method." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51906.

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Bio-degradable Poly (l-lactic acid) (PLLA) scaffolds synthesized using thermally induced phase separation (TIPS) method was used to load cryo-preserved human adipose derived stem cells (hASCs). To make the scaffolds, PLLA-Dioxane solutions were formed by dissolving PLLA in 1,4-Dioxane with three different compositions (wt/vol). These PLLA-Dioxane solutions, frozen in three different cooling rates were lyophilized at 0.037bar and −70°C for 48hrs resulting in porous PLLA scaffolds. Based on the porosity, pore size and compressive strength, a suitable scaffold was chosen to investigate its bio-co
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Ashok, K., N. Alagumurthi, and C. G. Saravanan. "The Effect of Mahua (Madhuca Longfolia) Oil With Dioxane Fuel Blends on Diesel Engine and Studies on Combustion and Emission Characteristics." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12750.

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An organic compound, Dioxane, is blended to reduce the viscosity of raw vegetable oil (Mahua). A dilute blend was prepared by mixing with raw vegetable oil (Mahua) and 10% dioxane in volume basis. Tests were conducted on a single cylinder, water cooled, DI diesel engine coupled with the eddy current dynamometer. Emissions like HC, NOX, etc., were measured by using gas analyzer and smoke density was measured by using smoke meter. The cylinder pressure, heat release rate were measured by combustion analyzer. From the experimental investigation, it was observed that operating at a blend ratio of
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Chinnasami, Harish, Daniel Hayes, and Ram Devireddy. "Synthesis of Poly (L-Lactic Acid) Scaffolds Under Controlled Freezing Conditions." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14168.

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Poly (l-lactic acid) (PLLA) scaffolds for bone grafts were prepared by using Thermally Induced Phase Separation (TIPS) method. Solutions of PLLA-dioxane was formed by dissolving a pre-determined value of PLLA in dioxane (3, 7 and 10% wt/vol) at 323K. These solutions were frozen at controlled cooling rates (1, 10 and 40°C/min) in cylindrical capsules. The frozen solutions were freeze-dried for a period of 48 hours for the frozen dioxane to completely sublimate, leaving the porous PLLA scaffold. The scaffolds which were formed under different processing conditions were characterized in terms of
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Shapkin, A. A., R. V. Galeev, L. N. Gunderova, M. G. Fayzullin, and A. H. Mamleev. "Microwave spectrum and structure of 2-methyl-1,3-dioxane." In SPIE Proceedings, edited by Yurii N. Ponomarev, Semen N. Mikhailenko, and Leonid N. Sinitsa. SPIE, 2006. http://dx.doi.org/10.1117/12.724780.

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Reports on the topic "Dioxane"

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Eck, William S. Studies on Metabolism of 1,4-Dioxane. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada528633.

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Reboulet, James E., and Amanda M. Lear. Design and Construction of a 1,4-Dioxane Vapor Generation System. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada525601.

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Mattie, David R., Timothy W. Bucher, Ashton L. Carter, et al. Acute Inhalation Toxicity Study of 1, 4-Dioxane in Rats (Rattus norvegicus). Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada576720.

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Alvarez-Cohen, Lisa, Ariel Grostern, Rebecca Parales, and Yinjie Tang. Oxygenase-Catalyzed Biodegradation of Emerging Water Contaminants: 1,4-Dioxane and N-Nitrosodimethylamine. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada579927.

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de Almeida, Valmor F., Hongjun Liu, Kenneth W. Herwig, and Michelle Kidder. Neutron Scattering of Residual Hydrogen in 1,4-Dioxane-D8 Liquid. Understanding Measurements with Molecular Dynamics Simulations. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1238755.

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U., Stony. Application of electron beam technology to decompose persistent emerging drinking water contaminants: poly- and perfluoroalkyl substances (PFAS) and 1,4 dioxane. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1970494.

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Venkatesan, Arjun, Charlie Cooper, Kaushik Londhe, Cheng-Shiuan Lee, and Slavica Grdanovska. Application of electron beam technology to decompose persistent emerging drinking water contaminants: poly- and perfluoroalkyl substances (PFAS) and 1,4-Dioxane. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1837061.

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Chirachanchai, Suwabun. A New approach for the synthesis of advanced polymers by stereochemically controlled structure using inclusion polymerization technique. Chulalongkorn University, 1999. https://doi.org/10.58837/chula.res.1999.73.

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Inclusion compound of deoxycholic acid (DCA) host molecule and vinyl chloride monomer (VCM) guest molecule is prepared from solvent free DCA crystal via guest insertion technique. Solvent free DCA inclusion compound is achieved from a series of DCA-solvent guest, i.e., ethylacetate, dioxane, o- and p-xylene. X-ray diffraction, FT-IR and thermal analysis results indicate that vinyl chloride monomer is entrapped and stabilized in DCA crystal in solvent free DCA. Guest releasing peak of DCA-VCM is confirmed at ca. 40-60 degree Celsius. Inclusion polymerization is accomplished from the [gamma]-rad
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Elbers, I. J. W., Guillaume ten Dam, D. P. K. H. Pereboom, and W. C. M. de Nijs. Proficiency test for dioxins, dioxin-like PCBs and non-dioxin-like PCbs in feed oil. RIKILT Wageningen University & Research, 2018. http://dx.doi.org/10.18174/462577.

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Bansel, Prateek, Rubal Dua, Rico Krueger, and Daniel Graham. Are Consumers Myopic About Future Fuel Costs? Insights from the Indian two-wheeler market. King Abdullah Petroleum Studies and Research Center, 2021. http://dx.doi.org/10.30573/ks--2021-dp13.

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India has the world’s third highest carbon dioxide (CO2) emissions, after China and the United States. The transportation sector is the third largest contributor to carbon dioxide emissions in India, accounting for roughly 11% of all carbon dioxide emissions in 2016. Road transport accounts for around 94% of the total carbon dioxide emissions of the transportation sector.
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