Relevant bibliographies by topics / Non-aqueous synthesis

Academic literature on the topic 'Non-aqueous synthesis'

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Published: 9 March 2023
Last updated: 10 March 2023

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Journal articles on the topic "Non-aqueous synthesis"

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Zhang, Wu Ying, and Bao Hua Zhang. "Synthesis of Aqueous Non-Isocyanate Polyurethane." Applied Mechanics and Materials 618 (August 2014): 184–88. http://dx.doi.org/10.4028/www.scientific.net/amm.618.184.

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Cyclic carbonate emulsion was prepared by means of polymerization technology using DOMA (which was synthesized by glycidyl methacrylate and carbon dioxide) and acrylic monomers. Effect of temperature, amount of emulsifier, initiator, DOMA and acrylic acid on properties of the emulsion and the film were studied. It was found that with 4% emulsifier, of which the ratio of OP-10 and SDS was 2:1, and 0.4% initiator, 3.5% acrylic acid, 13.3% DOMA, the temperature was 78°C. Under this condition the performance was the best, and then the aqueous non-isocyanate polyurethane was synthesized by cyclic carbonate emulsion and diethylenetriamine as curing agent. The structure of emulsion and aqueous non-isocyanate polyurethane was characterized by FTIR.
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van Erp, W. A., H. W. Kouwenhoven, and J. M. Nanne. "Zeolite synthesis in non-aqueous solvents." Zeolites 7, no. 4 (July 1987): 286–88. http://dx.doi.org/10.1016/0144-2449(87)90027-3.

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Scott, Robert W. J., Neil Coombs, and Geoffrey A. Ozin. "Non-aqueous synthesis of mesostructured tin dioxide." Journal of Materials Chemistry 13, no. 4 (February 26, 2003): 969–74. http://dx.doi.org/10.1039/b206002g.

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Petkar, Manish, Arvind Lali, Paolo Caimi, and Moreno Daminati. "Immobilization of lipases for non-aqueous synthesis." Journal of Molecular Catalysis B: Enzymatic 39, no. 1-4 (May 2006): 83–90. http://dx.doi.org/10.1016/j.molcatb.2006.01.034.

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Armes, S. P., and M. Aldissi. "Non-aqueous polypyrrole colloids: Synthesis and characterization." Synthetic Metals 37, no. 1-3 (August 1990): 137–44. http://dx.doi.org/10.1016/0379-6779(90)90140-g.

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Bonham, J. A., M. A. Faers, and J. S. van Duijneveldt. "Non-aqueous microgel particles: synthesis, properties and applications." Soft Matter 10, no. 47 (2014): 9384–98. http://dx.doi.org/10.1039/c4sm01834f.

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Niwayama, Satomi. "Non-Enzymatic Desymmetrization Reactions in Aqueous Media." Symmetry 13, no. 4 (April 19, 2021): 720. http://dx.doi.org/10.3390/sym13040720.

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Symmetric organic compounds are generally obtained inexpensively, and therefore they can be attractive building blocks for the total synthesis of various pharmaceuticals and natural products. The drawback is that discriminating the identical functional groups in the symmetric compounds is difficult. Water is the most environmentally benign and inexpensive solvent. However, successful organic reactions in water are rather limited due to the hydrophobicity of organic compounds in general. Therefore, desymmetrization reactions in aqueous media are expected to offer versatile strategies for the synthesis of a variety of significant organic compounds. This review focuses on the recent progress of desymmetrization reactions of symmetric organic compounds in aqueous media without utilizing enzymes.
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Varghese, Mini, R. Aiswarya, and K. P. Surendran. "Non Aqueous Synthesis of Titania Ink for Printed Electronics." Materials Science Forum 830-831 (September 2015): 573–76. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.573.

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A non-aqueous synthesis technique of room temperature curable titania ink, screen printed on flexible BoPET film for printed electronics applications is reported. The phase evolution of rutile titania powder, formulation of a fast curing titania ink, as well as the microstructure and dielectric properties of printed pattern are discussed. In terms of ease of synthesis, cost effectiveness and faster curing time, the developed ink is found to be advantageous over water based dielectric inks.
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Bibby, D. M., and M. P. Dale. "Synthesis of silica-sodalite from non-aqueous systems." Nature 317, no. 6033 (September 1985): 157–58. http://dx.doi.org/10.1038/317157a0.

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Gao, Qiuming, Shougui Li, and Ruren Xu. "Synthesis of AlPO4-17 from non-aqueous systems." Journal of the Chemical Society, Chemical Communications, no. 12 (1994): 1465. http://dx.doi.org/10.1039/c39940001465.

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Dissertations / Theses on the topic "Non-aqueous synthesis"

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Rajaeian, Babak. "Synthesis of polymeric nanocomposite membranes for aqueous and non-aqueous media." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/410.

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Thin film composite (TFC) membranes have long been used by many large-scale applications (i.e., water and wastewater treatment). Recently, conventional polymeric TFC membranes are facing with short longevity due to high fouling tendency and susceptibility at extreme operational conditions. On the other hand, ceramic membranes are also suffering from disadvantages like low selectivity, unreliable control over porosity and pore size which makes it difficult to achieve a reproducible final product. The aim of this project was to develop a high selective TFC membranes incorporated by functionalized TiO2 nanoparticles for aqueous and nonaqueous media applications.In order to obtain high permeable aromatic polyamide thin film nanocomposite (TFN) nanofiltration membrane, the conventional interfacial polymerization (IP) reaction was applied as the embedding media for functionalized nanoparticles. For this purpose, TFN nanofiltration membrane with appropriate structural and separation properties was developed by dispersing the aminosilanized TiO2 nanoparticles inside the diamine monomer and polymerizing the monomer in the presence of these particles. Surface-modified ceramic substrate was used to obtain high mechanical resistant composite membrane. Results from spectrometry analyses represent that the silane coupling agent called AAPTS has been successfully grafted onto the external surface of TiO2 after the chemical modification. Upon incorporation of TiO2 nanoparticles, thermal stability of nanocomposite is significantly improved in comparison with TFC membrane. Morphological investigations prove that the functionalized TiO2 nanoparticles could effectively change the surface properties and roughness of NF membranes. Performance results show that ultra-low concentration (0.005 wt%) of amine functionalized TiO2 nanoparticles improves the salt rejection as well as water flux. Flux can be further improved by the incorporation of higher percentage of the modified TiO2 into polymer membrane.In order to obtain nanofiltration membrane with high permeability and antifouling properties, TFN membrane was synthesised by dip-coating of a hydrophilized porous poly(vinylidene fluoride) (PVDF) support in different poly(vinyl alcohol) (PVA) aqueous solution. In order to improve the interfacial adhesion of nanoparticles in PVA blend, an endothermic carboxylation reaction under acidic condition was carried out on the TiO2 surface using chloroacetic acid (ClCH2COOH). Glutaraldehyde (GA) was used as a cross-linker to bond resultant PVA chains and enhances the stability of the coated PVA layer, accordingly. TiO2 nanoparticles were dispersed in PVA solution in pure and functionalized forms. Scanning electron microscopy (SEM) identified various topographies by the incorporation of TiO2 nanoparticles. Performance results showed a 40% rejection improvement of divalent salt (MgSO4) by the incorporation of 1.0 wt% surface-carboxylated TiO2 nanoparticles into PVA solution. A simultaneous 57% retention improvement was achieved for uncharged solute (PEG 2000). After PVA coating with TiO2 incorporation, the flux recovery ratio of PVDF membrane was significantly improved from 45 to 94%.In order to apply TFN membranes in non-aqueous media, a range of thin film nanocomposite solvent resistant nanofiltration membranes (SRNF) were fabricated by interfacial polymerization technique. TiO2 nanoparticles were used as inorganic fillers into polyamide chain network. TiO2 nanoparticles’ surfaces were functionalized in order to improve their compatibilization inside the polyamide matrix. For this purpose, Monoethanolamine (MEOA) and triethylenetetramine (TETA) agents were applied to aminate TiO2 nanoparticles, while thionyl chloride (TCl) was used to chlorinateation. Morphological investigations identified various topographies formed by the incorporation of TiO2 nanoparticles with different chemistry. Transport properties of membranes were evaluated by two different dyes: positively-charged Crystal Violet (CV) (408 Da) and neutral Bromothymol Blue (BTB) (624 Da). Performance results reveal that high rejection was achieved by the TFN membrane fabricated by TCl-modified TiO2 with BTB and CV rejection of 90 and 93%, respectively. These satisfactory rejection data for both charged and uncharged dyes can be attributed to formation of a dense structure after exposing the chlorinated TiO2 nanoparticles into interfacial polymerization reaction on membrane surfaces.
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Petkar, Sagar Sudhir. "Non-aqueous synthesis and reactivity of hexanuclear polyoxotungstates." Thesis, University of Newcastle Upon Tyne, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401838.

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Redshaw, Carl. "Oxo and organoimido precursors for non-aqueous polytungstate synthesis." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328135.

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Shakir, Sa'ed A. "Studies of stabilization of non-aqueous polymer dispersions with diblock copolymers." Thesis, Loughborough University, 1987. https://dspace.lboro.ac.uk/2134/19421.

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A diblock copolymer of Poly (Styrene-b- [ethylene-co-propylene]) has been used as a stabilizer in non-aqueous dispersion polymerizations of methyl methacrylate and vinyl acetate in n-heptane. The particles thus produced were stabilized by well defined surface layers of ethylene-propylene copolymer chains. The dependence of the particle size on the stabilizer, monomer and initiator concentrations was studied. Both seeded and one-shot polymerization techniques were investigated. Polymer particles were characterized by transmission electron microscopy to determine particle shape and size. The long term stability of both types of polymer particles suggests that the anchoring efficiency in both systems was good. Rheological studies confirmed the sphericity of the particles and showed the particles to be non-flocculated under shear. The thickness of the surface layer was determined from viscosity studies of the dispersions at 298, 308 and 318K. Solution viscosities dispersions at of a narrow distribution standard of ethylene-propylene copolymer in n-heptane and in a binary liquid mixture of n-heptane and n-propanol (79:21, v/v) at 298, 308 and 318K were obtained in order to estimate the root-mean-square end-to-end distance of free ethylene-propylene copolymer chains. The thickness of the surface layer was observed to increase on raising the temperature and to decrease on changing the solvency of the dispersion medium from a good solvent to almost a theta solvent for the ethylene-propylene copolymer chains. The dimensions of the surface layer were slightly larger than the dimensions of the free ethylene-propylene copolymer chains in solution suggesting that long ethylene-propylene chains terminally anchored at the interface are only slightly extended over random coil dimensions. Calculations of the mean separation distance between adjacent stabilizing ethylene-propylene copolymer chains indicated close-packing of ethylene-propylene copolymer chains at the particle-liquid interface which may contribute to the slight extension of the ethylene-propylene copolymer chain conformation. The theta-conditions for ethylene-propylene copolymer in a mixture of n-heptane and n-propanol were determined using samples obtained by hydrogenating polyisoprene standards. The solvency of the dispersion medium for the stabilizing ethylene-propylene copolymer chain on the polymer particles was reduced until flocculation occurred, and this was achieved by cooling the dispersion system to find the critical flocculation temperature or by adding a non-solvent (n-propanol) for the ethylene-propylene copolymer chains at constant temperature to find the critical flocculation volume. The polymer dispersions just retained stability at theta conditions and started to lose stability when the dispersion medium was changed to slightly worse than a theta system for the ethylene-propylene chains. The close correspondence of the flocculation conditions to the theta conditions for free ethylene-propylene copolymer chains confirms that the steric stabilization mechanism is operative for these dispersions.
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Jones, Denise Michelle. "Specific interactions of deoxynucleosides with potassium cations in non-aqueous media." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/27258.

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Ward, Andrew David. "A study of the single-shot dispersion polymerisation of ethyl methacrylate in non-aqueous media." Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240730.

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Fernandez, Salazar Franz Rene. "A thermodynamic study on cation dibenzocryptand 222 and cation-dibenzo 18 crown 6 complexation in non-aqueous media." Thesis, University of Surrey, 1988. http://epubs.surrey.ac.uk/844484/.

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A general review on macrocyclic ligands with particular emphasis to dibenzocryptand 222 and dibenzo 18 crown 6 is given in the first part of the thesis (Chapter 1). This is followed by an exhaustive literature survey on the stability constants (hence free energies of complexing), enthalpies and entropies of metal cations with cryptands (dibenzocryptand 222, benzocryptand 222, cryptand 222) and crown ethers (dibenzo 18 crown 6, benzo 18 crown 6, 18 crown 6) in water and in non-aqueous solvents at 298.15 (Chapter 2). The experimental part (Chapter 3) also includes a detailed description of the principals involved in calorimetry as well as the methods used for the calculation of reaction enthalpies. Stability constant data for alkali-metal and silver cations with dibenzocryptand 222 in five dipolar aprotic solvents (N,N dimethyl-formamide, dimethylsulphoxide, acetonitrile, propylene carbonate and nitromethane) at 298.15 K are reported. These data are used to calculate the standard free energies of the complexation process involving metal(I) cations and dibenzocryptand 222 in the dipolar aprotic solvents. Free energy data are combined with enthalpy data obtained in this work in order to evaluate the entropies of complexation of these cations with dibenzocryptand 222 in these solvents. A linear correlation previously shown for metal(I) cations and cryptand 222 in DMF, Me2SO, AN, PC and NM between entropies of complexing and entropies of solvation of metal(I) cations in dipolar aprotic solvents is also found for dibenzocryptand 222. The results obtained in this thesis provide further evidence that the complexation process with metal (I) cations and cryptands is mainly controlled by the state of solvation of the cation in the solvent. Enthalpies of solution of dibenzocryptand 222 in the dipolar aprotic solvents are reported and the thermodynamic parameters for the extraction process in the water + nitromethane solvent system as described by M+(H2O) + 22B2B(NM) → M+22B2B (NM) are calculated (Chapter 4). Thermodynamic parameters of solution and transfer of dibenzo 18 crown 6 are discussed with respect to corresponding data for dibenzocryptand 222. The transfer free energies of metal ion dibenzocoronates from water to a number of solvents are calculated and it is shown that, unlike cryptates, there is an interaction between the complexed cation and the solvent in metal ion dibenzocoronates in dipolar aprotic media. Thermodynamic parameters of complexation for alkali-metal and dibenzo 18 crown 6 in acetonitrile are reported. The complexation process seems to be enthalpically and entropically controlled (Chapter 5). Synthesis of crown compounds and heats of solution of 18 crown 6 carried out at several temperatures as well as DeltaCp values in water are presented in Chapter 6.
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Chefson, Amandine. "Towards the use of P450 enzymes in synthesis : cofactor replacement and activity of CYP3A4 in non-aqueous media." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100784.

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Enantioselective synthesis is one of the most important challenges of today's synthetic chemists. In particular, the hydroxylation of non-activated C-H bonds remains a significant challenge that few chemical catalysts have succeeded to overcome. The P450 enzymes, a family of heme-containing monooxygenases including more than 5000 known isoforms, are gaining considerable attention due to their ability to catalyze the very difficult regio- and stereo-selective oxidation of inactivated C-H bonds. The use of such enzyme is however limited by their functional complexity, low activity, need for cofactors, and poor stability. In this thesis, we elected to study the human P450 CYP3A4, because of its high substrate promiscuity. The first part of the project involved the replacement of the required cofactors (NADPH and cytochrome P450 reductase) by some cheap hydrogen peroxide donors or organic peroxides. Several surrogates, such as sodium percarbonate and cumene hydroperoxide, were found to be efficient at replacing the natural cofactor, without a significant loss of stability and activity. The second part of this thesis deals with optimization of the lyophilization conditions. Among the numerous additives tested, some sugars led to significant lyoprotection during the freeze-drying process. Finally, in the third part, the effect of the presence of organic solvents and ionic liquids on CYP3A4 activity was evaluated.
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Huston, Michael Edward. "Synthesis and study of anthrylmethylpolyamine conjugate fluorescence probes for metal and non-metal ion detection in aqueous solutions /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487683049375178.

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Gabathuse, Anne Onalethata. "Synthesis of enantio-pure amides by reversal of the Geobacillus pallidus RAPc8 amidase hydrolysis reaction in non-aqueous media." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/16916.

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Amidases are hydrolytic enzymes that catalyze the hydrolysis of amides to their corresponding carboxylic acids and ammonia. Amidases are ubiquitous in nature, and they have been isolated from a wide range of microorganisms, the most common source being bacteria. Amidases are recognized as potential industrial biocatalysts in processes that involve the synthesis of chiral compounds, mostly used in the pharmaceutical, agrochemical and food industries. The discovery of amidases from extremophiles has increased the potential for application of these enzymes for the development of new processes. In nonaqueous media, amidases have the ability to synthesize enantiopure amides due to the shift in thermodynamic equilibrium towards synthesis. For synthesis to occur, an acyl donor and an acyl acceptor are required, in which the acyl acceptor acts as a nucleophile. The applicability of amidases in non-aqueous media opens new possibilities for processes in which the enzyme can be used for the industrial synthesis of commercially relevant new products. A novel amidase was previously isOlated from a thermophilic Geobacillus species, and the amidase was cloned and expressed in an Escherichia coli BL21 strain. Also in previous studies, it was shown that the enzyme exhibits both amide hydrolysis and acyl transfer activities. The highest activity of the G. pallidus RAPc8 amidase was observed at 50°C in the presence of acetamide and substrate preference was towards aliphatic, short chain amides. Furthermore, the enzyme displayed enantioselectivity towards lactamide, which is a chiral compound. The amidase compound showed selectivity towards the D-isomer of lactamide and no detectable activity on the L-isomer. This study presents the investigation and development of a novel biocatalytic process that involves the synthesis of enantiopure amides in non-aqueous media, using the G. pal/idus RAPc8 amidase. The amidase was produced and expressed in E. coli BL21.
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Books on the topic "Non-aqueous synthesis"

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F, Hepp Aloysius, and United States. National Aeronautics and Space Administration., eds. Room-temperature synthesis of CuInQ₂(Q=S or Se) in non-aqueous solution using an organoindium reagent. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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F, Hepp Aloysius, and United States. National Aeronautics and Space Administration., eds. Room-temperature synthesis of CuInQ₂(Q=S or Se) in non-aqueous solution using an organoindium reagent. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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F, Hepp Aloysius, and United States. National Aeronautics and Space Administration., eds. Room-temperature synthesis of CuInQ₂(Q=S or Se) in non-aqueous solution using an organoindium reagent. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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F, Hepp Aloysius, and United States. National Aeronautics and Space Administration., eds. Room-temperature synthesis of CuInQb□-s□b2b□-s□s(Q=S or Se) in non-aqueous solution using an organoindium reagent. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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United States. Environmental Protection Agency. Office of Science and Technology. Engineering and Analysis Division. and United States. Environmental Protection Agency., eds. Environmental assessment of proposed effluent limitations guidelines and standards for synthetic-based drilling fluids and other non-aqueous drilling fluids in the oil and gas extraction point source category. Washington, DC: Office of Water, Office of Science and Technology, Engineering and Analysis Division, U.S. Environmental Protection Agency, 1999.

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United States. Environmental Protection Agency. Office of Science and Technology. Engineering and Analysis Division, ed. Economic analysis of proposed effluent limitations guidelines and standards for synthetic-based drilling fluids and other non-aqueous drilling fluids in the oil and gas extraction point source category. Washington, D.C. (401 M St., SW, Washington 20460): Office of Water, Office of Science and Technology, Engingeering and Analysis Division, U.S. Environmental Protection Agency, 1999.

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United States. Environmental Protection Agency. Office of Science and Technology. Engineering and Analysis Division, ed. Economic analysis of final effluent limitations guidelines and standards for synthetic-based drilling fluids and other non-aqueous drilling fluids in the oil and gas extraction point source category. Washington, DC: U.S. Environmental Protection Agency, Office of Water, Engineering and Analysis Division, 2000.

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United States. Environmental Protection Agency. Office of Science and Technology. Engineering and Analysis Division., ed. Environmental assessment of proposed effluent limitations guidelines and standards for synthetic-based drilling fluids and other non-aqueous drilling fluids in the oil and gas extraction point source category. Washington, DC: Office of Water, Office of Science and Technology, Engineering and Analysis Division, U.S. Environmental Protection Agency, 1999.

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(Editor), Giacomo Carrea, and Sergio Riva (Editor), eds. Organic Synthesis with Enzymes in Non-Aqueous Media. Wiley-VCH, 2008.

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Riva, Sergio, and Giacomo Carrea. Organic Synthesis with Enzymes in Non-Aqueous Media. Wiley & Sons, Incorporated, John, 2008.

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Book chapters on the topic "Non-aqueous synthesis"

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Clapés, Pere, Gloria Caminal, Josep A. Feliu, and Josep López-Santín. "Peptide Synthesis in Non-Aqueous Media." In Methods in Non-Aqueous Enzymology, 110–32. Basel: Birkhäuser Basel, 2000. http://dx.doi.org/10.1007/978-3-0348-8472-3_7.

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Errington, R. J. "General Strategies for Non-Aqueous Polyoxometalate Synthesis." In Polyoxometalate Molecular Science, 55–78. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0091-8_3.

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Becker, James Y., Elias Shakkour, Shimon Yatziv, and Baruch Zinger. "Formation of Heterocyclic Compounds by Electrochemical Oxidation of Hetero-Allenes in Non-Aqueous Media." In Electroorganic Synthesis, 217–24. Boca Raton: Routledge, 2023. http://dx.doi.org/10.1201/9780203758571-29.

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O′Connor, L. H., K. H. Pearson, H. Heaster, and P. Hoggard. "Racemic and Optically Active Cobalt(III) Complexes of Cdta, Edta, and Pdta in Non-Aqueous Solvents." In Inorganic Syntheses, 96–106. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132548.ch20.

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Wipff, G., and L. Troxler. "MD Simulations on Synthetic Ionophores and Their Cation Complexes: Comparison of Aqueous/Non-Aqueous Solvents." In Computational Approaches in Supramolecular Chemistry, 319–48. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1058-7_22.

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Li, Qiang, Dan Yu Jiang, Ya Jun Fan, and Cheng Zhang. "A Novel Non-Aqueous Solvent Chemical Process to Synthesize Nano-ZrO2." In Key Engineering Materials, 2060–61. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-410-3.2060.

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"Non-aqueous liquid-phase reactions." In Chemical Synthesis of Advanced Ceramic Materials, 89–98. Cambridge University Press, 1989. http://dx.doi.org/10.1017/cbo9780511565014.007.

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"SYNTHESIS VIA ION EXCHANGE IN NON-AQUEOUS SOLVENTS." In Synthetic Coordination Chemistry: Principles and Practice, 157–82. WORLD SCIENTIFIC, 1996. http://dx.doi.org/10.1142/9789812831378_0005.

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Dinodia, Monica. "Greener Approach towards the Synthesis of Nitrogen Based Heterocycles." In Strategies Towards the Synthesis of Heterocycles and Their Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108489.

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The preferable application of green chemistry in research is to utilize environment benign, mild, non toxic, reproducible catalyst and efficient solvents in synthesis of molecules. Use of green chemistry techniques had enabled in dramatically reducing chemical waste and reaction times as has recently been reported in several organic syntheses reactions. Greener routes are required in the synthesis of N-heterocycles, due to the remarkable importance of these compounds in medicinal chemistry. This chapter is dedicated to the synthesis of N containing heterocyclic compounds using eco-friendly solvent like water and bio-derived solvents (glycerol, ethyl lactate, and gluconic acid aqueous solution). Water and bio-based solvents for the synthesis of aromatic nitrogen heterocycles was chosen due to the negligible toxicity associated with these solvents. Apart from being eco-friendly, water also has the potential to become a universally acceptable solvent due to its abundance and low cost. Work on microwave synthesis is also reported as it is an eco-friendly and faster process for the synthesis of these N-based heterocyclic compounds. Due to its rapid action to produce products with greater purity and yield, it is now being used worldwide.
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Liu, Yunling, L. Zhang, P. Zhang, Y. Zou, and W. Pang. "05-P-08 - Synthesis and characterization of novel nickel phosphates from non-aqueous systems." In Studies in Surface Science and Catalysis, 244. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)81513-5.

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Conference papers on the topic "Non-aqueous synthesis"

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WANG, D., R. B. YU, N. KUMADA, N. KINOMURA, K. YANAGISAWA, D. WANG, Y. MATHMURA, and T. YASHIMA. "NON-AQUEOUS SYNTHESIS OF NOVEL LOW-DIMENSIONAL ZIRCONIUM PHOSPHATES." In Proceedings of the International Symposium on Solid State Chemistry in China. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776846_0030.

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Sivakumar, N., A. Narayanasamy, R. Justin Joseyphus, B. Jeyadevan, and K. Tohji. "Aqueous Synthesis of Non-superparamagnetic MnFe2O4 Nanoparticles and their Magnetic Properties." In WATER DYANMICS: 4th International Workshop on Water Dynamics. AIP, 2007. http://dx.doi.org/10.1063/1.2721267.

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Yao, Tingting, Shengbo Gao, Quanhui Li, Luoyun Zheng, and Jiaying Xin. "The Lipase-catalyzed Synthesis of Sugar Ester in Non- aqueous Medium." In International Conference on Education, Management, Computer and Society. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/emcs-16.2016.77.

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Ahmad, M. Z., W. Wlodarski, J. Chang, E. R. Waclawik, A. Z. Sadek, J. Kita, and R. Moos. "P1.7.3 Non-aqueous synthesis of In2O3 nanoparticles and its NO2 gas sensing properties." In 14th International Meeting on Chemical Sensors - IMCS 2012. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2012. http://dx.doi.org/10.5162/imcs2012/p1.7.3.

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Staniuk, M., M. Niederberger, and D. Koziej. "Tracking of the organic species during the synthesis of cobalt-based nanoparticles in non-aqueous solution." In SPIE NanoScience + Engineering, edited by Eva M. Campo, Elizabeth A. Dobisz, and Louay A. Eldada. SPIE, 2014. http://dx.doi.org/10.1117/12.2060064.

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Liu, Yan, Jing-Xi Ma, and Yin Feng. "Optimization of Lipase-Catalyzed Asymmetric Synthesis of Ketoprofen in Non-Aqueous Media by Response Surface Methodology." In 2016 Eighth International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2016. http://dx.doi.org/10.1109/icmtma.2016.111.

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Aguiar Mendes, Adriano, Breno Mendonça Costa, Ernandes B. Pereira, and Maria Carolina Cucatti Corradini. "SCREENING OF BIOCATALYSTS AND OPTIMIZATION OF ETHYL VALERATE SYNTHESIS BY ESTERIFICATION REACTION IN NON-AQUEOUS MEDIUM." In Simpósio Nacional de Bioprocessos e Simpósio de Hidrólise Enzimática de Biomassa. Campinas - SP, Brazil: Galoá, 2015. http://dx.doi.org/10.17648/sinaferm-2015-32530.

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Caillol, Sylvain. "Plant oil based radically polymerizable monomers for sustainable polymers." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/kypx2569.

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We have focuses our studies on the synthesis of novel biobased monomers designed for free radical polymerization which could increase the biomass carbon content pursuing to equal or improve the performance of existing polymers from non-renewable sources. Cardanol, which is a natural phenolic oil, is issued from Cashew Nutshell Liquid (CNSL), a non-edible renewable resource, co-produced from cashew industry in large commercial volumes (1Mt p.a.). Cardanol is non-toxic and particularly suitable for the addition of aromatic renewable resources in polymers and materials. We recently reported various routes for the synthesis of di- and poly-functional building blocks derived from cardanol thereafter used in polymer syntheses. We especially synthesized a new radically polymerizable cardanol-derived monomer. Hence, we synthesized cardanol-based aromatic latex by radical aqueous emulsion (and miniemulsion) polymerization. We also synthesized UV-reactive cardanol-derived latex for styrene-free coating applications. Vegetable oils and their fatty acids (FAs) derivatives have become the most promising alternative solution to design performant bio-based polymers. However, considering the poor reactivity of the internal unsaturation of FAs through radical process, most currently available synthesis of monomers reported in literature are limited to polycondensation. Therefore, the objective of our work was to synthesize monomers from fatty acids bearing reactive function through radical process and evaluate their resulting methacrylate polymers as viscosity modifiers in various oils such as mineral or vegetable oils.
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Birichevskaya, L. L., M. A. Vinter, A. A. Doroshevich, M. А. Khancheuski, E. I. Kvasyuk, and A. I. Zinchenko. "SYNTHESIS OF THE MODIFIED NUCLEOSIDE 8-BROMADENOSINE AND ITS PHOSPHOLIPID DERIVATIVE." In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2021. http://dx.doi.org/10.46646/sakh-2021-2-20-23.

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Modified nucleoside 8-bromoadenosine possessing high reactive capacity may serve as a basic compound for the synthesis of a large number of purine antimetabolites showing potentially therapeutic activities toward several tumor and viral diseases. In this study, 8-bromoadenosine was produced by a simple eco-friendly procedure following the treatment of nucleoside precursor adenosine with aqueous bromine solution. In the course of enzymatic transphosphatidylation reaction, the first synthesis of phospholipid derivative of the above-mentioned nucleoside -5‘-(1,2-dimyristoyl phosphatidyl)-8-bromoadenosine was accomplished. Novel compounds may presumably act as non-toxic progenitors of bioactive antimetabolites to be used in drug formulas.
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Yu, Zexin, Meimei Liu, Michel Moliere, Hanlin Liao, Hatem Moussa, Raphaël Schneider, and Weize Wang. "Spinel Copper Ferrite and Zinc Ferrite Films Synthesized via Solution Precursor Plasma Spray Process for Functional Applications." In ITSC2018, edited by F. Azarmi, K. Balani, H. Li, T. Eden, K. Shinoda, T. Hussain, F. L. Toma, Y. C. Lau, and J. Veilleux. ASM International, 2018. http://dx.doi.org/10.31399/asm.cp.itsc2018p0627.

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Abstract Binary spinel-type metal oxides (AB2O4) semiconductors, including ferrites (AFe2O4), are attractive photocatalysts thanks to their excellent visible light response and good photochemical activity and stability for the photodegradation of organic pollutants. Currently, their synthesis proceeds via conventional chemical routes that follow rather tedious protocols and the final preparations consist in nano-powders, a form that is not exempt of EHS (Environment, health and safety) risks along their handling. From an industry perspective, it is desirable to dispose of an efficient and preferably simple synthesis route capable to produce photocatalytic preparations in a non-dispersible form, for instance in the form of robust films attached on solid substrates. We report herein a single-step method based on the Solution Precursor Plasma Spray (SPPS) process that enables the preparation of promisingly active ferrite-based photocatalytic films, namely CuFe2O4 and ZnFe2O4. We have investigated various types of precursor solutions, including the atomic A/Fe ratios, solvent type and solute concentration, and studied the evolution of the phase composition of the resultant CuFe2O4 and ZnFe2O4 films by XRD. The corresponding surface morphologies and energy bandgaps were also studied by SEM and UV-Vis spectroscopy, respectively. Then the photocatalytic activities of the selective ferrite films were evaluated through the degradation of aqueous solutions of the Orange II dye under different light irradiations. The results of the overall work also revealed that SPPS process represents a fast, one-step, versatile alternative compared to conventional multi-step processes, which is suitable for preparing complex composition metal oxide film-formed photocatalyst.
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Reports on the topic "Non-aqueous synthesis"

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Melby, Jeffrey, Thomas Massey, Fatima Diop, Himangshu Das, Norberto Nadal-Caraballo, Victor Gonzalez, Mary Bryant, et al. Coastal Texas Protection and Restoration Feasibility Study : Coastal Texas flood risk assessment : hydrodynamic response and beach morphology. Engineer Research and Development Center (U.S.), July 2021. http://dx.doi.org/10.21079/11681/41051.

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The US Army Corps of Engineers, Galveston District, is executing the Coastal Texas Protection and Restoration Feasibility Study coastal storm risk management (CSRM) project for the region. The project is currently in the feasibility phase. The primary goal is to develop CSRM measures that maximize national net economic development benefits. This report documents the coastal storm water level and wave hazard, including sea level rise, for a variety of flood risk management alternatives. Four beach restoration alternatives for Galveston Island and Bolivar peninsula were evaluated. Suites of synthetic tropical and historical non-tropical storms were developed and modeled. The CSTORM coupled surge-and-wave modeling system was used to accurately characterize storm circulation, water level, and wave hazards using new model meshes developed from high-resolution land and sub-aqueous surveys for with- and without-project scenarios. Beach morphology stochastic response was modeled with a Monte Carlo life-cycle simulation approach using the CSHORE morphological evolution numerical model embedded in the StormSim stochastic modeling system. Morphological and hydrodynamic response were primarily characterized with probability distributions of the number of rehabilitations and overflow.
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