Gotowe bibliografie tematyczne / Novel Catalysis

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Gotowa bibliografia na temat „Novel Catalysis”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Novel Catalysis"

Wang, Dabin, Weisong Yu, Bin Jiang, Tao Zeng, Dean Song, Song Fang, Yizhi Zhang i Jiguang Zhang. "A Novel Chemiluminescent Method for Efficient Evaluation of Heterogeneous Fenton Catalysts Using Cigarette Tar". Toxics 11, nr 1 (29.12.2022): 30. http://dx.doi.org/10.3390/toxics11010030.

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The evaluation of the catalytic capacity of catalysts is indispensable research, as catalytic capacity is a crucial factor to dictate the efficiency of heterogeneous Fenton catalysis. Herein, we obtained cigarette tar-methanol extracts (CTME) by applying methanol to cigarette tar and found that CTME could cause CL reactions with Fe2+/H2O2 systems in acidic, neutral, and alkaline media. The CL spectrum experiment indicated that the emission wavelengths of the CTME CL reaction with Fe2+/H2O2 systems were about 490 nm, 535 nm, and 590 nm. Quenching experiments confirmed that hydroxyl radicals (•OH) were responsible for the CL reaction for CTME. Then the CL property of CTME was applied in-situ to rapidly determine the amounts of •OH in tetrachloro-1,4-benzoquinone (TCBQ)/H2O2 system in acidic, neutral and alkaline media, and the CL intensities correlated the best (R2 = 0.99) with TCBQ concentrations. To demonstrate the utility of the CTME CL method, the catalytic capacity of different types and concentrations of catalysts in heterogeneous Fenton catalysis were examined. It was found that the order of CL intensities was consistent with the order of degradation efficiencies of Rhodamine B, indicating that this method could distinguish the catalytic capacity of catalysts. The CTME CL method could provide a convenient tool for the efficient evaluation of the catalytic capacity of catalysts in heterogeneous Fenton catalysis.

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Wan, Qiang, Sen Lin i Hua Guo. "Frustrated Lewis Pairs in Heterogeneous Catalysis: Theoretical Insights". Molecules 27, nr 12 (10.06.2022): 3734. http://dx.doi.org/10.3390/molecules27123734.

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Frustrated Lewis pair (FLP) catalysts have attracted much recent interest because of their exceptional ability to activate small molecules in homogeneous catalysis. In the past ten years, this unique catalysis concept has been extended to heterogeneous catalysis, with much success. Herein, we review the recent theoretical advances in understanding FLP-based heterogeneous catalysis in several applications, including metal oxides, functionalized surfaces, and two-dimensional materials. A better understanding of the details of the catalytic mechanism can help in the experimental design of novel heterogeneous FLP catalysts.

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Ranocchiari, Marco, Christian Lothschütz, Daniel Grolimund i Jeroen Anton van Bokhoven. "Single-atom active sites on metal-organic frameworks". Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 468, nr 2143 (14.03.2012): 1985–99. http://dx.doi.org/10.1098/rspa.2012.0078.

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Single-site heterogeneous catalysis has been recently accepted as a novel branch of heterogeneous catalysis. Catalysts with single-atom active sites (SAHCs) allow the design and fine-tuning of the active moiety, and can potentially combine the advantages of heterogeneous and homogeneous catalysis. This study illustrates how porous metal-organic frameworks (MOFs) can be synthesized with homogeneous distribution of SAHCs. The catalytic potential of MIXMOFs is shown. A short overview of catalysis with mesoporous silica materials is described to demonstrate their importance in SAHC.

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Zhang, Meng. "A Novel Energy Band Match Method and a Highly Efficient CuO–Co3O4@SiO2 Catalyst for Dimethyl Carbonate Synthesis from CO2". Science of Advanced Materials 13, nr 1 (1.01.2021): 115–22. http://dx.doi.org/10.1166/sam.2021.3848.

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The present research on dimethyl carbonate (DMC) synthesis from CO2 was short of effective theoretical guidance and catalyst design was also blind. A kind of regular relationship was found from catalyst structure calculation and activity experiments. Therefore, a novel energy band matching method was proposed. After substantial verification experiments, it was proved to be correct. Whether one certain catalyst has catalytic activity can be judged predictably according to this novel method. Novel and efficient catalysts can be designed or selected on the basis of designer's wishes. Based on this method, three efficient catalysts were prepared and CuO–Co3O4@SiO2 catalyst had the best catalytic performance. In a word, once it is applied in catalysts research, there will be a huge progress in catalysis and materials science fields.

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Fino, Debora, Nunzio Russo, Emanuele Cauda, Davide Mescia, Simone Solaro, Guido Saracco i Vito Specchia. "Novel Approches in Oxidative Catalysis for Diesel Particulate Abatement". Advances in Science and Technology 45 (październik 2006): 2083–88. http://dx.doi.org/10.4028/www.scientific.net/ast.45.2083.

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Next 2008 European legislation on diesel engines will impose the use of specific traps, placed in the car exhaust line, so as to meet very stringent particulate emission limits (0.005 g/km). This paper provides a survey of the advancement status of R&D in the field of diesel particulate traps. Special emphasis is given to the combined use of traps and catalysts for regeneration purposes via catalytic combustion of the collected soot in the traps. Issues like trap materials selection, catalyst development, catalytic vs. non-catalytic trap performance are addressed. Specific highlights of the research in catalytic materials developed at Politecnico di Torino in the framework of EU projects will also be provided. In order to enhance the soot-catalyst contact conditions, several kinds of catalysts have been developed: oxygen spillover oxide, mobile catalysts based on alkali vanadates, spinels for the combined removal of particulate and NOx, precious metals enabling the NO oxidation to NO2 followed by reaction of this latter with particulate, heavy metal oxides, alkalimetal substituted perovskites capable of delivering oxygen species. An overview of these different approaches to soot oxidation will be provided pointing the way towards possible synergetic effects in multi-component catalysts.

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Moene, R., M. Makkee i J. A. Moulijn. "Novel application of catalysis in the synthesis of catalysts". Catalysis Letters 34, nr 3-4 (1995): 285–91. http://dx.doi.org/10.1007/bf00806877.

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Gai, P. L., K. Kourtakis, H. Dindi i S. Ziemecki. "Novel Xerogel Catalyst Materials for Hydrogenation Reactions and the Role of Atomic Scale Interfaces". Microscopy and Microanalysis 5, S2 (sierpień 1999): 704–5. http://dx.doi.org/10.1017/s1431927600016846.

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We are developing a new family of heterogeneous catalysts for hydrogenation catalysis. Catalyst synthesis is accomplished using colloidal polymerization chemistry which produce high surface area xerogel catalysts. These xerogels have been synthesized by one-step sol gel chemistry. These catalysts contain ruthenium and modifiers such as gold occluded or incorporated in a titanium oxide matrix. The materials, especially the modified systems exhibit favorable performance in microreactor evaluations for hydrogenation reactions and exhibit high activities. Nanostructural studies have revealed that the materials contain dispersed catalyst clusters which are desirable microstructures for the catalysis since the majority of the atoms are exposed to catalysis and are potentially active sites.The composition and atomic structure of the xerogel catalysts containing ruthenium and other metals have been examined using our in-house developments of environmental high resolution electron microscopy (EHREM) the atomic scale [1-3] and low voltage high resolution SEM (LVSEM)[4] methods.

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Yan, Ning. "Novel materials for catalysis". Catalysis Today 278 (grudzień 2016): 185–86. http://dx.doi.org/10.1016/j.cattod.2016.10.006.

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Armor, John N. "Novel catalysis for FCC". Applied Catalysis A: General 111, nr 2 (kwiecień 1994): N20—N21. http://dx.doi.org/10.1016/0926-860x(94)85055-0.

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Zhu, Junjie, Takehiko Gotoh, Satoshi Nakai i Masahiro Sadakane. "Synthesis and Characterization of a Novel Heteropoly Acid/Hydrogel Composite". MATEC Web of Conferences 333 (2021): 11005. http://dx.doi.org/10.1051/matecconf/202133311005.

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Catalysis by Heteropoly acids (HPAs) and polyoxometalates (POMs) having a higher demand worldwide, as it can be designed to accelerate complex reactions and be more environmentally friendly. However, recycling of water-soluble solid catalysts remains a problem. The synthesis of a recyclable composite with catalytic properties is the key to better use of HPAs and POMs. Many researches have mentioned the method of synthesis by immersing a porous carrier in a supported solution. However, the catalytic stabilities of the previously studied composites after multiple uses have rarely been mentioned. In this research, a novel idea is proposed to synthesize a heteropoly acid supported composite. A complex hydrogel with catalytic properties was synthesized by mixing an anionic monomer with a heteropoly acid. The heteropoly acid particles were inserted inside the hydrogel by the interaction forces between the anions. Thus, preventing the water-soluble heteropoly acid from being lost during the catalytic reaction. The complex hydrogel is consisted of the anionic monomer 2-acrylamide-2methylpropanesulfonic acid (AMPS) as a carrier, N,N’-Methylenebisacrylamide (MBAA) as crosslinkers and the typical Keggin-type HPA: H3PW12O40. At last, a composite with (NH4)3PW12O40 particles was synthesized.

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Rozprawy doktorskie na temat "Novel Catalysis"

Browne, Danielle M. "Novel selenium catalysis". Thesis, Cardiff University, 2008. http://orca.cf.ac.uk/54706/.

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This thesis describes work carried out on catalytic selenium reagents in a range of organic transformations. Four different areas have been investigated and are reported herein. Chapter 2 reports the unsuccessful development into prochiral ligands, where three different chalcogen atoms are incorporated into either a trisubstituted structure or into a crown ether ring. Then reports how these structures could attach to a metal atom and become chiral. A SSe I SeR Chapter 3 describes a range of selenium-based ligands, which has been used in the palladium allylic substitution reaction to see if there is good co-ordination between selenium and palladium and if good enantioselectivities can be achieved. Chapter 4 describes the use of seleninic acids as catalysts in a range of reactions where the most successful is used in asymmetric Baeyer-Villiger oxidations using a range of ketones with enantiotopic migrating groups. The enantioselectivities were investigated. Chiral Catalyst I I ,0 O H202 O ASe A X R O R R CH2CI2 R ' Chiral Catalyst Chapter 5 describes the successful work on catalytic selenium reagents used to convert /,y-alkenoic acids into their corresponding butenolides. The work describes the optimum conditions investigated, asymmetric version of the reaction and also investigates mechanistic aspects of the catalytic cycle. Cat - (PhSe)2 Oxidant R 0 R C00H " _J Solvent.

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Neate, Peter Gregory Nigel. "Pathways to sustainable catalysis : from novel catalysts to mechanistic understanding". Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/25441.

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Catalysis allows for the controlled formation of new bonds, whilst reducing both time and energy expenditure in the process. Catalysis has traditionally been the realm of precious metals, which have been used to carry out a bewildering array of reactions. However, there is an ever-increasing drive for the development of catalytic methodology employing sustainable and environmentally benign catalysts. Two such candidates are organocatalysis, omitting the need for metals where possible, or the use of iron catalysis. Two key areas to the advancement of the of field catalysis are the identification and development of new catalysts as well as an understanding of the mechanisms of established catalytic processes. Novel catalysts can provide many benefits such as enhanced or even novel reactivity, access to new classes of substrates or simply be more readily accessible compared with previously developed catalysts. To this end, the first example of Lewis-base-catalysis using the recently developed cyclopropenimine motif is reported. This was exploited in the trifluoromethylation of aldehydes and ketones using the Rupert-Prakash reagent (Scheme A-1). Scheme A-1 Cyclopropenimine-catalysed trifluoromethylation of aldehydes and ketones Developing an understanding of catalytic methodologies in the terms of their mechanism and active species is also a key area in catalysis. Insight into these can direct the expansion of these systems in terms of both more effective catalysts and tailoring reaction conditions as examples. The iron-catalysed hydromagnesiation of styrene derivatives was studied in detail. This culminated in a proposed mechanism, involving a novel hydride transfer process (Scheme A-2). Studies were carried out using a combination of kinetic analysis and in situ Mössbauer spectroscopy, as well as successfully isolating and studying the reactivity of a catalytically-relevant, formal iron(0)-species.

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Mbuvi, Harun M. "Novel catalysis by metalloporphyrins". [Ames, Iowa : Iowa State University], 2007.

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Trant, Aoife Geraldine. "Structural and catalytic studies of novel Au/Ni enantioselective catalysts". Thesis, St Andrews, 2008. http://hdl.handle.net/10023/854.

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Paliga, James Francis. "Developing Earth-abundant metal-catalysts for hydrofunctionalisation". Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31115.

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The iron-catalysed hydromagnesiation of styrene derivatives has been developed further from previous publications, expanding the electrophile scope to enable the regioselective formation of new carbon-carbon and carbon-heteroatom bonds (Scheme A1). A commercially available pre-catalyst and ligand were used to give an operationally simple procedure that did not require prior synthesis of a catalyst. This work also investigated the hydromagnesiation of dienes, using a screen of ligands commonly used in transition metal catalysis. An investigation into the magnesium-catalysed hydroboration of olefins was also carried out. Although mostly unsuccessful, it was demonstrated that in the presence of a magnesium catalyst, a small amount of vinyl boronic ester could be formed from an alkyne (Scheme A2). Simple magnesium salts were also investigated for the reduction of carbonyls. Lastly, this work explored the titanium-catalysed hydrosilylation of olefins, using a novel activation method developed within the group (Scheme A3). The results were compared to those published previously using traditional organometallic activation methods and attempts at identifying conditions to improve chemoselectivity were carried out.

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Burton, Aaron Steven. "Characterization of Novel Functions and Topologies in RNA". PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/363.

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The RNA World hypothesis describes a period of time during the origins of life in which RNA molecules performed all catalysis and were the only form of information storage. A great deal of evidence has been obtained in support of this hypothesis, however a few key demonstrations are lacking. The first demonstration is of a molecule capable of self-replication that could have plausibly arisen from the prebiotic soup. Previously in the Lehman Laboratory, a 198-nucleotide RNA was discovered that could be fragmented into as many as four pieces ranging from 39 - 63 nucleotides in length. When these pieces were incubated together in a test tube, they re-formed the necessary covalent bonds to regenerate the full-length 198-nucleotide RNA. Furthermore, the full-length RNAs were catalytically active and made copies of themselves from the remaining pieces in solution, providing a model system of self-replication. I was able to remove >10% of the total length of the RNA, which substantially reduced the catalytic activity of the full-length molecule. I discovered several mutations that restored catalytic activity by improved folding and increased catalytic rates using in vitro selection. A subset of these mutations was found to aid in the assembly of the shortened full-length RNA from smaller fragments than were possible in the original system, enhancing the prebiotic relevance of this system. A second demonstration to bolster the RNA World hypothesis would be showing that RNA is capable of harvesting energy from its environment by performing oxidation and reduction reactions. Again using in vitro selection, I have completed five rounds of selection geared towards identifying a ribozyme that reduces benzoic acid to benzaldehyde using Zn2+ and NADH. Results to date suggest the selection is working and it should be continued for another five to ten generations. Finally, I have discovered an RNA sequence that forms knots during transcription, a phenomenon heretofore undocumented in RNA. This new topology has implications for RNA stability by rendering RNA more resistant to hydrolysis, and could impact catalysis through formation of more complex, knotted active sites. Taken together, these findings have improved our understanding of RNA folding and catalysis, and the plausibility of the RNA World.

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Ucyigit, Asli Cemil. "Novel triphosphine ligands for carbonylation catalysis". Thesis, University of Bristol, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406955.

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Frost, Christopher Gregory. "Novel enantiopure ligands for asymmetric catalysis". Thesis, Loughborough University, 1994. https://dspace.lboro.ac.uk/2134/33263.

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The scope of the palladium catalysed allylic substitution reaction is reviewed with particular reference to stereocontrol. The use of enantiopure oxazolines and acetals in asymmetric synthesis is briefly outlined. The work presented is concerned with the design and construction of enantiopure ligands which are able to impart very high levels of enantioselectivity in the aforementioned palladium-catalysed allylic substitution reaction. The ligands exploit the stereochemistry-controlling properties of the oxazoline moiety, whilst incorporating a secondary donor atom. The ligands rely upon an electronic disparity between these two atoms to direct nucleophilic addition.

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Clarke, Matthew Lee. "Asymmetric catalysis using novel platinum complexes". Thesis, University of Bath, 1999. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299846.

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Kim, Kyungduk. "Novel Nanocatalyst for the Selective Hydrogenation of Bio-Oil Model Compounds". Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/16353.

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This thesis focuses on the understanding the effect of various factors, such as physical structures of metal particles, chemical composition of supports and metal-support interactions, on the catalytic performance of Pd or Pt nanocatalysts for hydrodeoxygenation (HDO) of bio-oil model compounds. The first part of the thesis addressed the alternative catalyst synthesis strategy based on emerging double-flame spray pyrolysis method (FSP), which was able to tune the catalytic properties of nanocatalysts without changing their precursors and chemical compositions during the synthesis. A series of Pd catalysts on the silica-alumina supports, SiO2- , and Al2O3 supports have been synthesized with the tunable surface properties within micro-seconds. The characterization results showed that various flow rates of precursors and gases used for the synthesis of catalysts influenced the formation of the catalyst structures and further change the surface acidity of catalysts due to the correlation between acidity and structure, but, the flow rates did not influence the electronic properties of Pd particles. Therefore, the higher conversion but the similar chemoselectivity have been reached in the hydrogenation of the bio-oil model ketone compound-acetophenone The second part is to identify the dominant effects from size of metal catalysts (under uniform shape and face) or the support acidity in the hydrodeoxygenation of the bio-oil model compounds of acetophenone, benzaldehyde, and butyrophenone. The uniform cubic Pd particles with different size (8, 13, and 21 nm) have been synthesized and loaded on the most popular supports (SiO2-, Al2O3-, and silica-alumina) with various functional groups and acidity. The results showed different acidities on the supports (Brønsted acidic site for Silica-alumina, Lewis acidic site for Al2O3-, and non/weak silanol OH group for SiO2- support) could not influence the chemoselectivity of the reaction but effected the conversion obviously. The particle size has more significant influence than the acidity. The smallest (8nm) Pd particle catalysts regardless of kinds of supports revealed the highest conversion for the hydrogenation the bio-oil model compounds. The third part focused on the influence of various types of catalysts with different acidities, chemical composition, and metal-support interaction on enantioselective hydrogenation of several model compounds in two reaction systems: 1). Pt-cinchrona modified system, and 2). Pd-(S) proline modified system. The result indicated acidic supports promoted the both conversion and enantioselectivity. Specially, Pd/SA made by double-FSP method, which has the highest Brønsted acid sites, showed 100 % conversion of isopherone on 60 min with 99% ee values.

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Książki na temat "Novel Catalysis"

Baker, R. T. K., 1938-, Murrell Larry L. 1942-, American Chemical Society Meeting, American Chemical Society. Division of Colloid and Surface Chemistry. i Symposium on New Catalytic Materials and Techniques (1989 : Miami Beach, Fla.), red. Novel materials in heterogeneous catalysis. Washington, DC: American Chemical Society, 1990.

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Baker, R. Terry K., i Larry L. Murrell, red. Novel Materials in Heterogeneous Catalysis. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.

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Shirran, Colette. Novel sulfur ligands for palladium catalysis. Dublin: University College Dublin, 1998.

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Cybulski, Andrzej, Jacob A. Moulijn i Andrzej Stankiewicz, red. Novel Concepts in Catalysis and Chemical Reactors. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527630882.

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Bravo-Suárez, Juan J., Michelle K. Kidder i Viviane Schwartz, red. Novel Materials for Catalysis and Fuels Processing. Washington, DC: American Chemical Society, 2013. http://dx.doi.org/10.1021/bk-2013-1132.

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Lakes, Aisling M. Novel diamine and phosphinamine ligands and their application in asymmetric catalysis. Dublin: University College Dublin, 1997.

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Moulijn, Jacob A., Andrzej Cybulski i Andrzej I. Stankiewicz. Novel concepts in catalysis and chemical reactors: Improving the efficiency for the future. Weinheim: Wiley-VCH, 2010.

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Philippou, A. Solid state NMR studies of zeolite catalysis and investigation of novel microporous titanosilicates. Manchester: UMIST, 1995.

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T, Andras Maria, Hepp Aloysius F i United States. National Aeronautics and Space Administration., red. Reactivity of [pi]-complexes of Ti, V, and Nb towards dithioacetic acid: Synthesis and structure of novel metal sulfur-containing complexes. [Washington, DC]: National Aeronautics and Space Administration, 1990.

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Części książek na temat "Novel Catalysis"

Wolf, E. E., A. Kumar i A. S. Mukasyan. "Combustion synthesis: a novel method of catalyst preparation". W Catalysis, 297–346. Cambridge: Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016971-00297.

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Dumesic, J. A., i W. S. Millman. "Redox Catalysis in Zeolites". W Novel Materials in Heterogeneous Catalysis, 66–74. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.ch006.

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Khan, N. A., J. R. Kitchin, V. Schwartz, L. E. Murillo, K. M. Bulanin i J. G. Chen. "Novel Catalytic Properties of Bimetallic Surface Nanostructures". W Nanotechnology in Catalysis, 17–32. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9048-8_2.

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Ghaida, Fatima Abi, Sébastien Clément i Ahmad Mehdi. "Heterogenized Catalysis on Metals Impregnated Mesoporous Silica". W Novel Nanoscale Hybrid Materials, 323–49. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119156253.ch10.

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Utz, Bruce R., Anthony V. Cugini i Elizabeth A. Frommell. "Dispersed-Phase Catalysis in Coal Liquefaction". W Novel Materials in Heterogeneous Catalysis, 289–99. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.ch027.

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Dosch, Robert G., Frances V. Stohl i James T. Richardson. "Hydrous Titanium Oxide-Supported Catalysts". W Novel Materials in Heterogeneous Catalysis, 279–88. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.ch026.

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Likholobov, V. A. "Catalysis by Novel Carbon-Based Materials". W Catalysis by Unique Metal Ion Structures in Solid Matrices, 295–306. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0782-5_19.

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Scaife, Charles W. J., S. Richard Cavoli i Steven L. Suib. "Crystallization in Space". W Novel Materials in Heterogeneous Catalysis, 2–13. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.ch001.

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Zones, Stacy I., i Robert A. Van Nordstrand. "Templates in the Transformation of Zeolites to Organozeolites". W Novel Materials in Heterogeneous Catalysis, 14–24. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.ch002.

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Newsam, J. M., T. O. Brun, F. Trouw, L. E. Iton i L. A. Curtiss. "Inelastic Neutron Scattering from Non-Framework Species Within Zeolites". W Novel Materials in Heterogeneous Catalysis, 25–37. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0437.ch003.

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Streszczenia konferencji na temat "Novel Catalysis"

Hosono, Hideo. "Novel oxide semiconductors for OLEDs and catalysis". W 2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS)]. IEEE, 2016. http://dx.doi.org/10.1109/iciprm.2016.7528725.

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Medeiros, Antonia Carlene R. F., Alice Maria R. Bernardino, Marcos C. de Souza i Fernando L. Ortiz. "Synthesis of novel phosphinamide phosphoramidate conjugates with possible applications in catalysis". W 15th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013819201137.

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Huang, B. R., S. M. Wang, C. H. Chen, S. J. Chang, Y. K. Su, H. Hung i Y. T. Chou. "The novel method to improve electrical characteristics of p-GaN by using Ni catalysis". W 2004 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2004. http://dx.doi.org/10.7567/ssdm.2004.d-10-2.

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Yang, Hung-Ming, i Wei-Ming Chu. "Ultrasound-Assisted Phase-Transfer Catalysis: Green Synthesis of Substituted Benzoate with Novel Dual-Site Phase-Transfer Catalyst in Solid-Liquid System". W 14th Asia Pacific Confederation of Chemical Engineering Congress. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-1445-1_210.

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Carey, P. C. "Studies of enzymes by resonance Raman spectroscopy". W International Laser Science Conference. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/ils.1986.thg3.

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By creating a resonance Raman probe in the active site of an enzyme, it is possible to obtain the vibrational spectrum associated with those bonds undergoing catalytic transformation. The approach involves reacting thionoesters RC(= S)OCH3 with a class of enzymes known as cysteine proteases which have an essential SH group in their active sights HS-enzyme. The reaction produces an intermediate RC(= S) S-enzyme which is a dithioester with a λmax near 315 nm. The 324-nm excited RR spectra of the dithioester provide a wealth of detail on the substrate during catalysis; the confirmation of the substrate in the active sight can be monitored and characterized, structure rate constant relationships developed, reaction pathways mapped, and evidence sought for geometric distortion. The novel findings stemming from the RR data are difficult to reconcile with the conventional view of enzyme mechanism.

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O’Brien, Christopher, Michael Leshchiner i Todd M. Ryan. "Design and Demonstration of a Multi-Fuel Automotive Fuel Processor With Novel Catalyst Integration and Rapid Control System". W ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/fuelcell2008-65238.

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A complete automotive onboard multi-fuel fuel processing system (FPS) that addresses some of the key issues of catalyst utilization, fuel cell integration, and control has been developed and tested, producing up to 1.2 grams per second of hydrogen flow in a total package volume of 150 liters. The reforming reaction train includes an autothermal reforming (ATR) zone, water-gas shift (WGS), and preferential oxidation (PrOx), all integrated with heat exchange to preheat reactants and generate process steam. The WGS and PrOx catalysts are integrated on metallic supports within a novel modular catalyst coated heat exchanger design that incorporates catalytic reaction, air preheat, and steam generation in a single device. The use of the catalyst coated heat exchangers eliminates the need for separate high-temperature shift and low-temperature shift zones; these are replaced by a continuously cooled single WGS zone. Due to the novel integration of catalytic heat exchangers, this FPS uses approximately half the catalyst per unit hydrogen produced than the previous generation, allowing for significant cost reduction.

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Zhou, Xuan, Jun Huang, Mingtian Li i Bin Wang. "A novel method of adrenaline concentration detection using fiber optical biosensor based on the catalysis of iron(II) phthalocyanine". W Photonics and Optoelectronics Meetings, redaktorzy Dieter S. Jäger, Deming Liu i Ping Shum. SPIE, 2008. http://dx.doi.org/10.1117/12.821322.

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Lim, Emmanuel, Teeravit Visutipol, Wen Peng i Nico Hotz. "Flame-Made CuO/ZnO/Al2O3 Catalyst for Methanol Steam Reforming". W ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18388.

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In the present study, a catalyst produced by flame spray pyrolysis (FSP) was evaluated for its ability to produce hydrogen-rich gas mixtures. Catalyst particles fabricated by a novel flame spray pyrolysis method resulting in a highly active catalyst with high surface-to-volume ratio were compared to a commercially produced catalyst (BASF F3-01). Both catalysts consisted of CuO/ZnO/Al2O3 of identical composition (CuO 40wt%, ZnO 40wt%, Al2O3 20wt%). Reaction temperatures between 220 and 295 °C, methanol-water inlet flow rates between 2 and 50 μl/min, and reactor masses between 25 and 100 mg were tested for their effect on methanol conversion and the production of undesired carbon monoxide. 100% methanol conversion can be easily achieved within the operational conditions mentioned for this flame-made catalyst — at reactor temperatures of 255 °C (achievable with non-concentrating solar collectors) more than 80% methanol conversion can be reached for methanol-water inlet flow rates as high as 10 μl/min. The FSP catalyst demonstrates similar catalytic abilities as the BASF, produces a consistent gas composition and produces lower overall CO production. Furthermore, the FSP catalyst demonstrates a better suitability to fuel cell use through its higher resistance to degradation and smaller production of carbon monoxide over long-term use. In the present study, the merits of using flame spray pyrolysis to produce CuO/ZnO/Al2O3 methanol steam reforming catalysts are examined, and directly compared to catalysts that are commercially produced in bulk pellet form, and then ground and sieved. The comparison is performed from several different perspectives: catalytic activity and CO production at various temperatures and fuel inlet flow rates; surface and structure characteristics are determined via scanning electron and transmission electron microscopy; surface area characteristics are determined via BET tests.

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Hotz, Nico. "Flame-Made Catalyst for Bio-Methanol Steam Reforming". W ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65425.

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Dang, Phuong T., Hy G. Le, Giang T. T. Pham, Hông T. M. Vu, Kien T. Nguyen, Canh D. Dao, Giang H. Le i in. "Catalytic pyrolysis of biomass by novel nanostructured catalysts". W SPIE Micro+Nano Materials, Devices, and Applications, redaktorzy James Friend i H. Hoe Tan. SPIE, 2013. http://dx.doi.org/10.1117/12.2033667.

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Raporty organizacyjne na temat "Novel Catalysis"

Thayumanavan, Sankaran. A Novel Dendrimer Design for Phase Transfer Catalysis in the Fluorophase. Fort Belvoir, VA: Defense Technical Information Center, kwiecień 2005. http://dx.doi.org/10.21236/ada433715.

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Pfefferle, Lisa D., i Gary L. Haller. Novel Reforming Catalysts. Office of Scientific and Technical Information (OSTI), październik 2012. http://dx.doi.org/10.2172/1053078.

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Ikura, M., M. Stanciulescu i J. F. Kelly. Development of novel microemulsion catalysts. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/304541.

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Stuart Nemser, PhD. Novel Catalytic Membrane Reactors. Office of Scientific and Technical Information (OSTI), październik 2010. http://dx.doi.org/10.2172/1063626.

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Stair, Peter C. Synthesis and Understanding of Novel Catalysts. Office of Scientific and Technical Information (OSTI), lipiec 2013. http://dx.doi.org/10.2172/1087079.

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Haynes, H. W. Jr. Novel supports for coal liquefaction catalysts. Office of Scientific and Technical Information (OSTI), styczeń 1992. http://dx.doi.org/10.2172/5252950.

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Haynes, Jr ,. H. W. Novel supports for coal liquefaction catalysts. Office of Scientific and Technical Information (OSTI), grudzień 1989. http://dx.doi.org/10.2172/5142662.

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Haynes, H. W. Jr. Novel supports for coal liquefaction catalysts. Office of Scientific and Technical Information (OSTI), październik 1990. http://dx.doi.org/10.2172/6540332.

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Haynes, H. W. Jr. Novel supports for coal liquefaction catalysts. Office of Scientific and Technical Information (OSTI), styczeń 1992. http://dx.doi.org/10.2172/10133264.

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Ryba, G., J. Shelnutt, N. Doddapaneni i K. Zavadil. Fuel cell applications for novel metalloporphyrin catalysts. Office of Scientific and Technical Information (OSTI), kwiecień 1997. http://dx.doi.org/10.2172/469172.

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