Literatura científica selecionada sobre o tema "Electron-Transfer polymerization"
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Artigos de revistas sobre o assunto "Electron-Transfer polymerization"
Kajiwara, Atsushi. "Characterizations of radicals formed in radical polymerizations and transfer reactions by electron spin resonance spectroscopy". Pure and Applied Chemistry 90, n.º 8 (28 de agosto de 2018): 1237–54. http://dx.doi.org/10.1515/pac-2018-0401.
Texto completo da fonteFantin, Marco, Francesca Lorandi, Armando Gennaro, Abdirisak Isse e Krzysztof Matyjaszewski. "Electron Transfer Reactions in Atom Transfer Radical Polymerization". Synthesis 49, n.º 15 (4 de julho de 2017): 3311–22. http://dx.doi.org/10.1055/s-0036-1588873.
Texto completo da fonteNablo, Sam V. "Transfer coating by electron initiated polymerization". Radiation Physics and Chemistry (1977) 25, n.º 4-6 (janeiro de 1985): 599–608. http://dx.doi.org/10.1016/0146-5724(85)90139-6.
Texto completo da fonteCiardelli, Francesco, Angelina Altomare, Guillermo Arribas, Giuseppe Conti e Renato Colle. "Electron transfer mechanism in olefin polymerization". Polymers for Advanced Technologies 6, n.º 3 (março de 1995): 159–67. http://dx.doi.org/10.1002/pat.1995.220060310.
Texto completo da fonteRosen, Brad M., e Virgil Percec. "Single-Electron Transfer and Single-Electron Transfer Degenerative Chain Transfer Living Radical Polymerization". Chemical Reviews 109, n.º 11 (11 de novembro de 2009): 5069–119. http://dx.doi.org/10.1021/cr900024j.
Texto completo da fonteTsarevsky, Nicolay V., Wade A. Braunecker e Krzysztof Matyjaszewski. "Electron transfer reactions relevant to atom transfer radical polymerization". Journal of Organometallic Chemistry 692, n.º 15 (julho de 2007): 3212–22. http://dx.doi.org/10.1016/j.jorganchem.2007.01.051.
Texto completo da fonteRosen, Brad M., e Virgil Percec. "ChemInform Abstract: Single-Electron Transfer and Single-Electron Transfer Degenerative Chain Transfer Living Radical Polymerization". ChemInform 41, n.º 11 (19 de fevereiro de 2010): no. http://dx.doi.org/10.1002/chin.201011273.
Texto completo da fonteJakubowski, Wojciech, e Krzysztof Matyjaszewski. "Activator Generated by Electron Transfer for Atom Transfer Radical Polymerization". Macromolecules 38, n.º 10 (maio de 2005): 4139–46. http://dx.doi.org/10.1021/ma047389l.
Texto completo da fontePaterson, Stefan M., David H. Brown, Jeremy A. Shaw, Traian V. Chirila e Murray V. Baker. "Synthesis of Poly(2-Hydroxyethyl Methacrylate) Sponges via Activators Regenerated by Electron-transfer Atom-transfer Radical Polymerization". Australian Journal of Chemistry 65, n.º 7 (2012): 931. http://dx.doi.org/10.1071/ch12161.
Texto completo da fonteLINDEN, LARS-AKE, JERZY PACZKOWSKI, JAN F. RABEK e ANDRZEJ WRZYSZCZYNSKI. "Photodissociative and electron-transfer photoinitiators of radical polymerization". Polimery 44, n.º 03 (março de 1999): 161–76. http://dx.doi.org/10.14314/polimery.1999.161.
Texto completo da fonteTeses / dissertações sobre o assunto "Electron-Transfer polymerization"
Armitage, Bruce Alan. "Photoinduced electron transfer, energy transfer and polymerization reactions in phospholipid membranes". Diss., The University of Arizona, 1993. http://hdl.handle.net/10150/186212.
Texto completo da fonteOyaizu, Kenʼichi. "Oxidative polymerization of diaryl disulfides based on simultaneous two-electron transfer process /". Electronic version of summary, 1995. http://www.wul.waseda.ac.jp/gakui/gaiyo/2108.pdf.
Texto completo da fonteBortolamei, Nicola. "Electrochemistry for atom transfer radical polymerization: from mechanism to more controlled synthesis". Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422094.
Texto completo da fonteLe polimerizzazioni radicaliche controllate (Controlled radical polymerization, CRP) sono state sviluppate a partire dalla metà degli anni '90, e attualmente sono tra le più potenti ed efficaci metodologie di polimerizzazione per ottenere materiali polimerici avanzati con proprietà ben definite ed alto valore aggiunto. La polimerizzazione radicalica a trasferimento di atomo (Atom Transfer Radical Polymerization, ATRP) è la tecnica che ha riscontrato il maggior successo nel campo delle CRP grazie alla sua versatilità e facilità di applicazione. Scopo di questa tesi di dottorato è di fornire un contributo alla comprensione e allo sviluppo di ATRP catalizzata da rame attraverso un approccio elettrochimico, con particolare riguardo alle proprietà di: catalizzatore, specie dormiente e radicali propaganti, e alla comprensione del meccanismo di attivazione. Inoltre, un secondo importante obbiettivo è quello di sviluppare nuove metodologie elettrochimiche atte ad aumentare il controllo delle sintesi polimeriche e permettere la rigenerazione del catalizzatore.
Sörensen, Nicolai. "Kinetics and Mechanism of Cu-Catalyzed Atom Transfer Radical Polymerization". Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2015. http://hdl.handle.net/11858/00-1735-0000-0023-9662-7.
Texto completo da fonteLEREBOURS, PIGEONNIERE BRIGITTE. "Phototransfert d'electron en micelles directes : polymerisation de tensioactifs, carcterisation de vesicules mixtes". Paris 6, 1987. http://www.theses.fr/1987PA066490.
Texto completo da fonteGriveau, Lucie. "Emulsion polymerization in the presence of reactive PEG-based hydrophilic chains for the design of latex particles promoting interactions with cellulose derivatives". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1329/document.
Texto completo da fonteIn this thesis, polymer particles surface-functionalized with poly(ethylene glycol) (PEG) groups were synthesized to promote their interaction with cellulose derivatives via intermolecular hydrogen bond. Two synthetic routes were proposed to obtain such cellulose/latex composites.The first route was based on the polymerization-induced self-assembly (PISA) to form functionalized polymer nanoparticles prior to adsorption onto cellulosic substrate. PISA takes advantage of the formation of amphiphilic block copolymers in water by combining emulsion polymerization with reversible-deactivation radical polymerization (RDRP) techniques. The latter were used to synthesize well-controlled hydrophilic polymer chains, acting as both precursor for the emulsion polymerization of a hydrophobic monomer, and stabilizer of the final latex particles. Two RDRP techniques were investigated: reversible addition-fragmentation chain transfer (RAFT), and single electron transfer-living radical polymerization (SET-LRP). Low molar mass PEG-based hydrophilic polymers have been synthesized using both techniques, used for the polymerization of a hydrophobic block in water. The transfer of controlling agent at the locus of the polymerization was challenging for SET-LRP in emulsion conditions leading to surfactant-free large particles. Nanometric latex particles were obtained via RAFT-mediated emulsion polymerization, with morphology change from sphere to fibers observed depending on the size of the hydrophobic segment, which were then able to be adsorbed onto cellulose nanofibrils (CNFs).The second route used conventional emulsion polymerization performed directly in presence of cellulose nanocrystals (CNCs) leading to Pickering-type stabilization of the polymer particles. Cellulose/particle interaction was provided thanks to the addition of PEG-based comonomer. Original organization emerged where CNCs were covered by several polymer particles
Durbeej, Bo. "Quantum Chemical Studies of Protein-Bound Chromophores, UV-Light Induced DNA Damages, and Lignin Formation". Doctoral thesis, Uppsala University, Quantum Chemistry, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4531.
Texto completo da fonteQuantum chemical methods have been used to provide a better understanding of the photochemistry of astaxanthin and phytochromobilin; the photoenzymic repair of UV-light induced DNA damages; and the formation of lignin.
The carotenoid astaxanthin (AXT) is responsible for the colouration of lobster shell. In solution, the electronic absorption spectra of AXT peak in the 470-490 nm region, corresponding to an orange-red colouration. Upon binding to the lobster-shell protein-complex α-crustacyanin, the absorption maximum is shifted to 632 nm, yielding a slate-blue colouration. Herein, the structural origin of this bathochromic shift is investigated on the basis of recent experimental work.
The tetrapyrrole phytochromobilin (PΦB) underlies the photoactivation of the plant photoreceptor phytochrome. Upon absorption of 660-nm light, PΦB isomerizes from a C15-Z,syn configuration (in the inactive form of the protein) to C15-E,anti (in the active form). In this work, a reaction mechanism for this isomerization is proposed.
DNA photolyases are enzymes that repair DNA damages resulting from far-UV-light induced [2+2] cycloaddition reactions involving pyrimidine nucleobases. The catalytic activity of these enzymes is initiated by near-UV and visible light, and is governed by electron transfer processes between a catalytic cofactor of the enzyme and the DNA lesions. Herein, an explanation for the experimental observation that the repair of cyclobutane pyrimidine dimers (CPD) – the major type of lesion – proceeds by electron transfer from the enzyme to the dimer is presented. Furthermore, the formation of CPD is studied.
Lignin is formed by dehydrogenative polymerization of hydroxycinnamyl alcohols. A detailed understanding of the polymerization mechanism and the factors controlling the outcome of the polymerization is, however, largely missing. Quantum chemical calculations on the initial dimerization step have been performed in order to gain some insight into these issues.
Casanova, Marion. "Conception et évaluation de vecteurs polymériques d'iminium N-hétérocyclique à activité antiplasmodiale". Electronic Thesis or Diss., Aix-Marseille, 2023. http://theses.univ-amu.fr.lama.univ-amu.fr/230324_CASANOVA_795kpzkf736jdsb801go615hzgclu_TH.pdf.
Texto completo da fonteDrug delivery has emphasised real pharmacological and pharmacokinetic advancements. Nevertheless, few in-depth and original studies have been conducted on antimalarial vectors. Only approved drugs, for which the parasites have developed resistance mechanisms, have been used in vectorization. The conditions and costs of preparation of these nanoformulations constitute a major barrier to their future production. This project aimed at developing nanovectors for the delivery of new antiparasitic drugs, while relying on a both accessible and innovative "click" synthesis strategy. First, the antimalarial efficiency of new N-heterocyclic iminium salts was evaluated on Plasmodium falciparum, responsible for malaria. Bis-aminopyridinium salts proved to be the most promising candidates with sub-micromolar antiplasmodial activities and an original mechanism of action, probably related to their strong redox properties. Secondly, the vectorization of these bis-aminopyridinium drug candidates was undertaken through preparation of polymer-drug conjugate nanovectors. The latter were obtained via a simple strategy, consisting in the use of the bis-aminopyridinium salt as polymerization initiator of its own nanovector. The SAR study underlined the need for a first acrylate block and spherical arrangements on the activity. Hence, a soluble, biodegradable, and stealth triblock system with sizes lower than 100 nm and enabling the delivery of 5 mol% of drug, showed effective antiplasmodial activity, without any cytotoxic effect
Capítulos de livros sobre o assunto "Electron-Transfer polymerization"
Timpe, Hans-Joachim. "Photoinduced electron transfer polymerization". In Topics in Current Chemistry, 167–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/3-540-52379-0_6.
Texto completo da fonteKajiwara, Atsushi, e Mikiharu Kamachi. "Electron Spin Resonance Study of Conventional Radical Polymerization oftert-Butyl Methacrylates Using Radical Precursors Prepared by Atom Transfer Radical Polymerization". In ACS Symposium Series, 86–100. Washington, DC: American Chemical Society, 2003. http://dx.doi.org/10.1021/bk-2003-0854.ch007.
Texto completo da fonteKajiwara, Atsushi. "Electron Spin Resonance Study of Methacrylate Radicals Generated from Purified Oligomers Prepared by Atom Transfer Radical Polymerization". In ACS Symposium Series, 111–24. Washington, D C: American Chemical Society, 2006. http://dx.doi.org/10.1021/bk-2006-0944.ch009.
Texto completo da fonteMark, James E., Harry R. Allcock e Robert West. "Ferrocene-Based Polymers, and Additional Phosphorus- and Boron-Containing Polymers". In Inorganic Polymers. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195131192.003.0010.
Texto completo da fonteGorincioi, Elena, Alic Barba e Crina Vicol. "NMR spectral data - notable testimony in antioxidant interactions research: case studies of some grape metabolites". In Redox Processes with Electron and Proton Transfer, 184–98. Moldova State University, 2023. http://dx.doi.org/10.59295/prtep2023_09.
Texto completo da fonteHornby, Michael, e Josephine Peach. "Reactions with nucleophiles". In Foundations of Organic Chemistry. Oxford University Press, 1993. http://dx.doi.org/10.1093/hesc/9780198556800.003.0004.
Texto completo da fonteOkuyama, Tadashi, e Howard Maskill. "Reactions involving Radicals". In Organic Chemistry. Oxford University Press, 2013. http://dx.doi.org/10.1093/hesc/9780199693276.003.0020.
Texto completo da fonteKumar, Munish. "Synthesis of Carbonaceous Quantum Dots". In Carbonaceous Quantum Dots: Synthesis And Applications, 20–37. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815136265123010005.
Texto completo da fonteHan, Chang Dae. "Rheology of Block Copolymers". In Rheology and Processing of Polymeric Materials: Volume 1: Polymer Rheology. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195187823.003.0014.
Texto completo da fonteKumar Cheedarala, Ravi. "3D Ionic Networked Hydrophilic-Hydrophobic Nano Channeled Triboelectric Nanogenerators". In Novel Nanomaterials. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95324.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Electron-Transfer polymerization"
TSUNOYAMA, HIRONORI, KEIJIRO OHSHIMO, ARI FURUYA, WAKANA NAKAGAWARA, FUMINORI MISAIZU e KOICHI OHNO. "INTRACLUSTER ANIONIC POLYMERIZATION INDUCED BY ELECTRON TRANSFER FROM ALKALI METAL ATOM TO UNSATURATED HYDROCARBON MOLECULES". In Clusters and Nano-Assemblies - Physical and Biological Systems. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701879_0045.
Texto completo da fonteLu, Youmei, e Toshiyuki Watanabe. "Determination of electron transfer mechanism of two-photon-induced polymerization via an efficient way: one-photon process". In Optics & Photonics 2005, editado por Manfred Eich. SPIE, 2005. http://dx.doi.org/10.1117/12.626568.
Texto completo da fonteGonsalves, K. E., G. Carlson, X. Chen, J. Kumar, R. Perez e M. Jose Yacaman. "Surface Functionalized Nanostructured Gold/Polymer Composites". In Organic Thin Films for Photonic Applications. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.md.13.
Texto completo da fonteEhrlich, J., A. Heikal, Z. Y. Hu, I. Y. S. Lee, S. R. Marder, J. W. Perry, H. Röckel e X. L. Wu. "Nonlinear Spectroscopy and Applications of Two-Photon Absorbing Molecules". In Organic Thin Films for Photonic Applications. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.tha.3.
Texto completo da fonteIllera Perozo, Danny, Humberto Gómez Vega e Julian Yepes Martínez. "Synthesis and Characterization of Conjugated-Polymer/Graphene/Nanodiamond Nanocomposite for Electrochemical Energy Storage". In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51982.
Texto completo da fonteUllah, Aman, Huiqi Wang e Rehan Pradhan. "Lipid Derived Block Copolymers as Amphiphilic Nanocarriers for Targeted Delivery". In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/bfgi9101.
Texto completo da fonteLiu, Chenzhen, Ling Ma, Zhonghao Rao e Yimin Li. "Synthesis and Characterization of Microencapsulated Phase Change Material of Magnesium Sulfate Heptahydrate/Urea Resin via Emulsion Polymerization Method". In ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/mnhmt2016-6344.
Texto completo da fonte