Literatura académica sobre el tema "Organic reductants"
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Artículos de revistas sobre el tema "Organic reductants"
Irmeilyana, Irmeilyana, Ngudiantoro Ngudiantoro, Sri Indra Maiyanti y Siddiq Makhalli. "LOGISTIC REGRESSION MODELING OF REDUCTANT HERBICIDE IN PAGARALAM COFFEE FARMING". BAREKENG: Jurnal Ilmu Matematika dan Terapan 17, n.º 4 (18 de diciembre de 2023): 1957–68. http://dx.doi.org/10.30598/barekengvol17iss4pp1957-1968.
Texto completoPerez-Benito, Joaquin F. y Conchita Arias. "A kinetic study on the reactivity of chromium(IV)". Canadian Journal of Chemistry 71, n.º 5 (1 de mayo de 1993): 649–55. http://dx.doi.org/10.1139/v93-087.
Texto completoMukhammadiev, Komil, Dilrabo Mukhammadieva, Akhan Demeuov y Inoyatkhan Tuichyeva. "Disposal of highly toxic waste chromium solutions". E3S Web of Conferences 531 (2024): 04010. http://dx.doi.org/10.1051/e3sconf/202453104010.
Texto completoKipp, Brian H., Chadi Faraj, Guoliang Li y David Njus. "Imidazole facilitates electron transfer from organic reductants". Bioelectrochemistry 64, n.º 1 (agosto de 2004): 7–13. http://dx.doi.org/10.1016/j.bioelechem.2003.12.010.
Texto completoIrmeilyana, Irmeilyana, Ngudiantoro Ngudiantoro, Sri Indra Maiyanti y Indrike Febriyanti. "Correspondence Analysis to Know Factors Related to the Use of Reducant Herbicide on Pagaralam Coffee Farmers". Pattimura International Journal of Mathematics (PIJMath) 1, n.º 2 (1 de noviembre de 2022): 69–80. http://dx.doi.org/10.30598/pijmathvol1iss2pp69-80.
Texto completoBeagan, Daniel M., Veronica Carta y Kenneth G. Caulton. "A reagent for heteroatom borylation, including iron mediated reductive deoxygenation of nitrate yielding a dinitrosyl complex". Dalton Transactions 49, n.º 5 (2020): 1681–87. http://dx.doi.org/10.1039/d0dt00077a.
Texto completoDoyle, Michael P. y Yong-Liang Su. "Application of α-Aminoalkyl Radicals as Reaction Activators". Synthesis 54, n.º 03 (3 de noviembre de 2021): 545–54. http://dx.doi.org/10.1055/a-1685-2853.
Texto completoIrmeilyana, Irmeilyana, Ngudiantoro Ngudiantoro y Sri Indra Maiyanti. "REGRESSION MODEL ON PAGARALAM COFFEE FARMERS’ INCOME WITH THE INFLUENCE OF THE USE OF HERBICIDE REDUCTANT VARIABLE". BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, n.º 2 (1 de junio de 2022): 409–20. http://dx.doi.org/10.30598/barekengvol16iss2pp409-420.
Texto completoYuan, Tao, Meifang Zheng, Markus Antonietti y Xinchen Wang. "Ceramic boron carbonitrides for unlocking organic halides with visible light". Chemical Science 12, n.º 18 (2021): 6323–32. http://dx.doi.org/10.1039/d1sc01028j.
Texto completoGuo, Wei, Yongbin Zhang y Guofu Zhou. "Tetrahydropyrimidine Derivatives as Efficient Organic Reductants for Transfer Hydrogenation". HETEROCYCLES 78, n.º 6 (2009): 1541. http://dx.doi.org/10.3987/com-08-11603.
Texto completoTesis sobre el tema "Organic reductants"
Zuluaga, Villamil Maria Alejandra. "New routes for activation of transition metal complexes : Generation of low valent metal species for catalysis using organic reductants". Electronic Thesis or Diss., Lyon, École normale supérieure, 2024. http://www.theses.fr/2024ENSL0006.
Texto completoThe first objective of this thesis is to develop and rationalize the use of organic reducing agents for the synthesis of low-valent organometallic complexes. More precisely, this thesis evaluates the potential of organosilylated reductants for the controlled reduction of organometallic complexes based on Ti and W involved in the ethylene oligomerization reaction, a very important reaction at the industrial scale, and source of numerous mechanistic debates. To answer these questions, cyclic voltammetry experiments were carried out to study the redox properties of these systems. The impact of external factors such as temperature and solvent on the redox potential was also examined. Alongside this experimental approach, DFT calculations completed this work to anticipate the value of this redox potential for a whole range of organic reductants. In a second objective, the synthesis of W(IV) and Ti(II) complexes was specifically addressed in particular to (i)- elucidate the reactivity of W(IV) complexes in ethylene oligomerization (Cossee-Arlman or metallacycle mechanism), and (ii)- propose new routes for the synthesis of cationic Ti(II) complexes which would not use MAO (methylaluminoxane), a poorly defined co-catalyst yet commonly used in oligomerization. This thesis work thus lays the foundations for a rational use of organic reducers and their implementation in catalysis
Cushman, Christopher Scott. "Destruction of chlorinated hydrocarbons by zero-valent zinc and bimetallic zinc reductants in bench-scale investigations". Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1398342299.
Texto completoMork, Anna Jolene. "Novel reactions of a neutral organic reductant : reductive coupling and nanoparticle synthesis". Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/73438.
Texto completoVita. Cataloged from PDF version of thesis.
Includes bibliographical references (p. 53-55).
A recently developed bis-pyridinylidene neutral organic electron donor captured our interest as a potential source of new chemistries for reductive coupling and the synthesis of group IV nanoparticles. This super electron donor was used as a co-reductant for nickel-catalyzed reductive coupling of aryl halides in order for the reaction to be homogeneous and avoid the traditional co-reductant, zinc, previously reported for these Yamamoto-type dehalogenative couplings. Reductive coupling was somewhat successful for specific substrates, including 4- bromoanisole and 2,5-dibromothiophene, but competing hydrodehalogenation of the aryl halide was problematic for both expanding the substrate scope and increasing the length of the polymers generated from this reaction. The attempt to synthesize silicon and germanium nanoparticles from reduction of the corresponding tetrachloride precursors using this super organic electron donor met limited success. Dimerization of silicon species occurred, but there was little conclusive evidence of nanoparticle formation. Finally, in a brief side-project to explore other applications of the organic reductant, the molecule was shown to successfully n-dope both p-type and n-type organic electronic materials.
by Anna Jolene Mork.
S.M.
Robescu, Marina Simona. "Discovery and characterization of new Ene-reductases". Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3426346.
Texto completoSette nuove ene-reduttasi putative sono state identificate attraverso mezzi bioinformatici con un approccio di “genome mining” da diversi organismi: Galdieria sulphuraria (GsOYE), Chroococcidiopsis thermalis (CtOYE), Chloroflexus aggregans (CaOYE), Botryotinia fuckeliana (BfOYE1 and BfOYE4) e Aspergillus niger (AnOYE2 and AnOYE8). In particolare gli organismi fotosintetici (Galdieria, Chroococcidiopsis e Chloroflexus) e i fungi (Botryotinia e Aspergillus) sono, ad oggi, fonti di ene-reduttasi rimaste inesplorate. Per il clonaggio e l’espressione di tutte e sette le sequenze codificanti le proteine di interesse è stata utilizzata una strategia comune. Inizialmente tutte le proteine sono state espresse utilizzando come ospite E. coli BL21(DE3); con questa strategia, però, sovraespressione e buona solubilità sono state ottenute solo per quattro delle sette proteine, GsOYE, CtOYE, CaOYE e BfOYE1. Per le altre tre proteine è stata necessaria un’ulteriore ottimizzazione. La bassa solubilità di AnOYE2 e AnOYE8 e la scarsa espressione di BfOYE4 sono state affrontate utilizzando diverse strategie, come la diminuzione della temperatura e l’utilizzo di chaperonine ma anche l’utilizzo di altri ospiti per l’espressione proteica (P. pastoris). Per tutte e sette le proteine ricombinanti è stata condotta una caratterizzazione biocatalitica. Una volta dimostrata la loro attività come ene-reduttasi in vitro, sono stati determinati anche i parametri cinetici per i substrati preferiti da ciascun enzima. Nel laboratorio del Professor Kurt Faber dell’Università di Graz, sono state messe a punto bioconversioni per i due enzimi GsOYE e CtOYE, al fine di capirne il profilo di selettività nei confronti di substrati standard. Infine, è stata condotta anche una caratterizzazione biochimica che ha permesso di determinare la stabilità termica e la tolleranza a diversi pH dei nuovi enzimi identificati; per i quali è stata anche ottenuta la struttura tridimensionale. Nella tesi è discusso l’utilizzo degli enzimi nell’isomerizzazione NADH-indipendente di substrati con legami C=C non attivati e la loro successiva riduzione, così come gli sforzi per chiarire il meccanismo d’azione di questa nuova reattività scoperta solo di recente. Il lavoro presentato ha portato alla scoperta di nuove ene-reduttasi, ampliando così il pannello dei biocatalizzatori disponibili per la riduzione del doppio legame C=C ma anche per reattività biocatalitiche inaspettate.
Mudgal, Mukesh M. Dr. "Insight Into the Inhibition of Ribonucleotide Reductases by 2'-chloro-2'-deoxynucleotides and 2'-azido-2'-deoxynucleotides: Biomimetic Studies with Model Substrates". FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2597.
Texto completoDang, Thao P. "Biomimetic Modeling of the Nitrogen-centered Radical Postulated to occur during the Inhibition of Ribonucleotide Reductases by 2'-Azido-2'-deoxynucleotides". FIU Digital Commons, 2010. http://digitalcommons.fiu.edu/etd/318.
Texto completoElatawy, M. A. K. "SYNTHESIS OF NITROGEN HETEROCYCLES BY INTRAMOLECULAR CYCLIZATION OF ALPHA, BETA-UNSATURATED NITRO COMPOUNDS, CATALYZED BY PALLADIUM COMPLEXES AND WITH CARBON MONOXIDE AS THE REDUCTANT". Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/331319.
Texto completoDai, Ren-Tai y 戴仁泰. "Reclamation of heavy metals contaminated soils using chemical reductant combined with dissolved organic carbon solution". Thesis, 2015. http://ndltd.ncl.edu.tw/handle/64457376737395961116.
Texto completo國立宜蘭大學
環境工程學系碩士班
103
Illegal discharges of untreated wastewaters from electroplating and electronics factories have been found causing serious contamination of croplands with toxic metals in Taiwan. Though acid washing is a highly efficient method to clean the metals away a soils, it always causes clear loss of fertility. In addition, sometimes it’s difficult to decline the concentrations of toxic metals below the control threshold using traditional acid washing and dissolved organic carbon (DOC) washing, when treating a severely polluted soil. In this study, chemical reductants were employed to dissolve the surfaces of Fe and Mn oxides for more release of the toxic metals under a moderate-acid condition. Soil samples, containing high concentrations of Cr, Cu, Zn, Ni, Cd, and Pb, as well as nine reductants, including sodium thiosulfate, sodium bisulfite, hydroxylamine sulfate, hydroxylamine hydrochloride, stannous chloride, vitamin C, sodium dithionite, sodium sulfite, and ferrous chloride, were collected and used to conduct experiments of soil washing. The DOC solution, extracting form the waste distillery sludge, served as a second washing reagent. It was believed that DOC would encourage the removal of toxic metals and take off the reductants remained in soil through previous washing. The factors affecting the removals of metals, including pH, the concentration of a chemical reducing agent, DOC concentration of the solution, the solid-liquid ratio, reaction time, temperature, soaking time and other parameters were examined in this study. Variations in soil fertility during the washing were also examined. Approximately 54.4, 53.7, 16.8, and 3.6 % of Cu, Ni, Zn, and Cr were respectively removed from a soil, which contaminated with Cu (367 ppm), Ni (352 ppm), Zn (712 ppm), and Cr (257 ppm), through the “0.6 M FeSO4+DOC” treatment at pH 2.0; the result accomplished the purpose of remediation. Another soil with higher contents of metals, Cu (502 ppm), Ni (413 ppm), Zn (712 ppm), and Cr (336 ppm), could be remediated well by “0.2 M Na2S2O4+ DOC” treatment; about 84.8% (Cu), 45.3% (Ni), 23.4% (Zn), 30.1% (Cr) were removed from the soil. After washing with 0.2 M Na2S2O4 / DOC mixture or 0.6 M FeSO4 / DOC mixture, Cd contents in topsoil and subsoil were declined from 21.5 and 19.9 ppm to 3.4 and 4.3 ppm, respectively; this result also met the control standard. However, the Pb contentsl were decreased from 5340 to 2173 and 2652 ppm by treating with 0.2 M Na2S2O4 / DOC mixture and 0.6 M FeSO4 / DOC mixture, respectively; this might be due to its high original content of Pb and the result did not met the control standard (500 ppm). To summarize the changes in fertility during DOC washing with various reagents: the average increase in organic matter content was 15%; available ammonium (NH4+-N) content was 3.9 times; and exchangeable K was 33%. The average decreases in available phosphorus, exchangeable Ca, and exchangeable Mg contents were 10%, 11%, and 10%, respectively. This indicates that most fertility can be reserved by the DOC washing.
Capítulos de libros sobre el tema "Organic reductants"
Gompper, K. "Alternative Organic Reductants for Denitration". En Denitration of Radioactive Liquid Waste, 32–46. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-011-9757-1_3.
Texto completoStone, Alan T. "Adsorption of Organic Reductants and Subsequent Electron Transfer on Metal Oxide Surfaces". En ACS Symposium Series, 446–61. Washington D.C.: American Chemical Society, 1987. http://dx.doi.org/10.1021/bk-1987-0323.ch021.
Texto completoHayat, Tahir, Wen Xia, Yan He, Haizhen Wang, Jianjun Wu y Jianming Xu. "Humic Substances as a Reductant for Hydrophobic Organic Compounds". En Functions of Natural Organic Matter in Changing Environment, 641–45. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5634-2_116.
Texto completoSimon, Helmut, Helmut Günther, Johann Bader y Stefan Neumann. "Chiral Products from Non-Pyridine Nucleotide-Dependent Reductases and Methods for NAD(P)H Regeneration". En Ciba Foundation Symposium 111 - Enzymes in Organic Synthesis, 97–111. Chichester, UK: John Wiley & Sons, Ltd., 2008. http://dx.doi.org/10.1002/9780470720929.ch8.
Texto completoFlowers, R. A. II, T. V. Chciuk y C. O. Bartulovich. "2.2 Samarium-Mediated Reductions". En Free Radicals: Fundamentals and Applications in Organic Synthesis 2. Stuttgart: Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-233-00001.
Texto completoSumida, Y. y H. Ohmiya. "4.4.23.7 Silylmethyl Anions (Update 2022)". En Knowledge Updates 2022/3. Stuttgart: Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/sos-sd-104-00799.
Texto completoBarlow, Stephen, Seth R. Marder, Xin Lin, Fengyu Zhang y Antoine Kahn. "Electrical Doping of Organic Semiconductors with Molecular Oxidants and Reductants". En Conjugated Polymers, 21–43. CRC Press, 2019. http://dx.doi.org/10.1201/9780429190520-2.
Texto completoKobayashi, Shu. "Tin Lewis acid". En Lewis Acid Reagents, 137–57. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198500995.003.0007.
Texto completoJose, Jerin, Raj Kamal Singh y Ligy Philip. "Pulsed power technology for water and wastewater treatment". En Technological Solutions for Water Sustainability: Challenges and Prospects, 133–44. IWA Publishing, 2023. http://dx.doi.org/10.2166/9781789063714_0133.
Texto completo"Imine Reductases". En Biocatalysis in Organic Synthesis, editado por Faber, Fessner y Turner. Stuttgart: Georg Thieme Verlag, 2015. http://dx.doi.org/10.1055/sos-sd-215-00205.
Texto completoActas de conferencias sobre el tema "Organic reductants"
Patel, J. "Role of Plasma-Induced Liquid Chemistry for the Reduction Mechanism of Silver Ions to form Silver Nanostructures". En Functional Materials and Applied Physics. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901878-7.
Texto completoZehnle, H. S., R. Laso Pérez, A. Boetius y G. Wegener. "Thermophilic Archaea Activate Liquid Alkanes Using Divergent Methyl-Coenzyme M Reductases". En 30th International Meeting on Organic Geochemistry (IMOG 2021). European Association of Geoscientists & Engineers, 2021. http://dx.doi.org/10.3997/2214-4609.202134206.
Texto completoMachado, Serly Santiago, Enesio Rodriguez Nascimento Neto, Elisa Teshima, Osmar Calderon Sanchez, Heiddy Marquez Alvarez, Ivan Sergio Colás Gonzáles, Luis Fernando Pascholati Gusmão y Angélica Maria Lucchese. "Screening of keto reductases expressed in conidial fungi from the Brazilian semi-arid region". En 14th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0050-1.
Texto completoMikheykin, S. V., P. P. Poluektov, S. L. Khrabrov, A. Yu Smirnov y V. P. Simonov. "D&D Experience in VNIINM". En ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4769.
Texto completoNewburry, Don, Pat Runnels y Mike Owings. "Selective Catalytic Reduction (SCR) System Installation and Commissioning at the Chow II Power Plant in Chowchilla, California". En ASME 2003 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ices2003-0594.
Texto completoPaviet-Hartmann, Patricia, Ana Nunez Gomez-Aleixandre, Joshua Pak, Amparo Glez Espartero, Frederic Poineau, Amber Wright, Edward Mausolf y Kenneth R. Czerwinski. "Extraction of Technetium as [Tc(II)(NO)(AHA)2H2O]+ Species in the UREX Process". En 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75509.
Texto completoInformes sobre el tema "Organic reductants"
White, T. L., B. J. Wiedenman, D. P. Lambert, S. L. Crump, F. F. Fondeur, A. E. Papathanassiu, W. K. Kot y I. L. Pegg. Organics Characterization Of DWPF Alternative Reductant Simulants, Glycolic Acid, And Antifoam 747. Office of Scientific and Technical Information (OSTI), octubre de 2013. http://dx.doi.org/10.2172/1107775.
Texto completoStone, A. T. Release of oxide-bound toxic metals by naturally-occurring and contaminant-derived organic compounds: The role of complexant, reductant, and adsorptive characteristics. Final report, July 1, 1994--June 31, 1997. Office of Scientific and Technical Information (OSTI), diciembre de 1997. http://dx.doi.org/10.2172/353369.
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