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Dissertations / Theses on the topic 'Nanocone'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Chang, Yanling. "ZnO nanocones and nanoplatelets: synthesis and characterization." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37253.

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Nanowire structure plays an important role in the development of nanotechnology. However, further study shows that the shape of nanowires may not be the ideal morphology for some applications such as solar cells and sensors. Thus, the purpose of this thesis is to find a low cost and high yield approach to the synthesis of other morphologies of nanostructures in order to further improve the performance of these nanodevices. To this end, a chemical approach has been extended to the synthesis ZnO nanocones and platelets. With UV illumination, the synthesis of ZnO nanocones was achieved on GaN

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2

Coutinho, Samir Silva 1981. "Propriedades mecânicas, estruturais e eletrônicas de nanoestruturas de carbono e nitreto de boro." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276975.

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Orientador: Douglas Soares Galvão<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin<br>Made available in DSpace on 2018-08-24T01:31:57Z (GMT). No. of bitstreams: 1 Coutinho_SamirSilva_D.pdf: 26866537 bytes, checksum: 2e68174590dd567a3cc12bce95f2219f (MD5) Previous issue date: 2013<br>Resumo: Neste trabalho, estudamos algumas nanoestruturas observadas em experimentos e outras ainda à espera de confirmação experimental. O estudo foi realizado por meio de métodos teóricos (mecânica de meios contínuos e simulações computacionais), onde nos permitiu obter

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3

Nagell, Marius Uv. "Carbon Nanocones as Electrode Material in Lithium Ion Batteries." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16312.

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A carbon powder containing carbon nanocones was used as an anode material in lithium ion batteries. The powder was also treated in different ways, chemically, with microwaves, and with heat. The carbon powder was tape casted onto copper before being assembled into batteries with lithium metal as the counter electrode. The batteries were characterized by measuring the capacity during cycling. X-ray diffraction (XRD) and scanning electron microscopy (SEM) was used to characterize the powders and casts. Fourier transformed infrared spectroscopy (FTIR) was done to both the carbon powder and the u

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4

Bell, Dominik. "NEMS based on nanocoil structures /." Zürich : ETH, 2007. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17114.

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5

Rizal, Binod. "Nanocoax Arrays for Sensing Devices." Thesis, Boston College, 2014. http://hdl.handle.net/2345/bc-ir:103556.

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Thesis advisor: Michael J. Naughton<br>We have adapted a nanocoax array architecture for high sensitivity, all-electronic, chemical and biological sensing. Arrays of nanocoaxes with various dielectric annuli were developed using polymer replicas of Si nanopillars made via soft lithography. These arrays were implemented in the development of two different kinds of chemical detectors. First, arrays of nanocoaxes constructed with different porosity dielectric annuli were employed to make capacitive detectors for gaseous molecules and to investigate the role of dielectric porosity in the sensitivi

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6

Calm, Yitzi M. "Optical Confinement in the Nanocoax:." Thesis, Boston College, 2019. http://hdl.handle.net/2345/bc-ir:108652.

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Thesis advisor: Michael J. Naughton<br>The nanoscale coaxial cable (nanocoax) has demonstrated sub-diffraction-limited optical confinement in the visible and the near infrared, with the theoretical potential for confinement to scales arbitrarily smaller than the free space wavelength. In the first part of this thesis, I define in clear terms what the diffraction limit is. The conventional resolution formulae used by many are generally only valid in the paraxial limit. I performed a parametric numerical study, employing techniques of Fourier optics, to resolve precisely what that limit should b

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7

Quimby, Jennifer. "Fivefold Annulation of Corannulene as a Route Toward Carbon Nanotubes and Nanocones." Thesis, Boston College, 2011. http://hdl.handle.net/2345/1837.

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Thesis advisor: Lawrence T. Scott<br>Curved carbon-rich materials such as carbon nanotubes and carbon nanocones have unique mechanical strength, charge carrying ability and structure. Efficient syntheses to access these strained structures are required to obtain usable quantities of these materials in order to exploit their unique properties. This dissertation describes the recent efforts toward gaining access to these interesting structures using corannulene as the foundation for the curvature. Chapter 2 offers a microwave assisted tandem Suzuki-Heck-type coupling of peri-dichloroacenaphthene

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8

Paredes, Guerrero Germercy. "Development of new probes based on carbon nanocones for near-field microscopies." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30206.

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La microscopie à champ proche permet l'étude topographique et des propriétés physiques (électrique, mécanique, etc.) de la surface d'un matériau à l'échelle nanométrique. Pour ce faire, l'échantillon étudié est balayé en surface par une sonde (ou pointe) dont les caractéristiques géométriques (comme le rayon de courbure de l'apex et le facteur de forme) et les propriétés physiques (mécanique, électrique etc.) doivent être adaptées pour garantir une résolution suffisante et une représentation fidèle de la surface. Cependant, les sondes actuelles présentent des limitations importantes vis-à-vis

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9

Mailoa, Jonathan P. "Anti-reflection zinc oxide nanocones for higher efficiency thin-film silicon solar cells." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77250.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references (p. 77-80).<br>Thin film silicon solar cells, which are commonly made from microcrystalline silicon ([mu]c-Si) or amorphous silicon (a-Si), have been considered inexpensive alternatives to thick polycrystalline silicon (polysilicon) so

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10

Medvid, A., P. Onufrijevs, G. Mozolevskis, and E. Dauksta. "Two-stage of Nanocones Formation by Laser Radiation on the Surface of Semiconductors." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34984.

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In this work we study mechanism of nanocones formation on a surface of elementary semiconductors by Nd:YAG laser radiation. A new mechanism of p-n junction formation by laser radiation in the elementary semiconductor as a first stage of nanocones formation is proposed. We explain this effect in following way: p-n junction is formed by generation and redistribution of intrinsic point defects in temperature gradient field – the Thermogradient effect, which is caused by strongly absorbed laser radiation. According to the Thermogradient effect, interstitial atoms drift towards the irradi

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11

Archibald, Michelle M. "Novel nanoarchitectures for electrochemical biosensing." Thesis, Boston College, 2016. http://hdl.handle.net/2345/bc-ir:106807.

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Thesis advisor: Thomas C. Chiles<br>Sensitive, real-time detection of biomarkers is of critical importance for rapid and accurate diagnosis of disease for point-of-care (POC) technologies. Current methods, while sensitive, do not adequately allow for POC applications due to several limitations, including complex instrumentation, high reagent consumption, and cost. We have investigated two novel nanoarchitectures, the nanocoax and the nanodendrite, as electrochemical biosensors towards the POC detection of infectious disease biomarkers to overcome these limitations. The nanocoax architecture is

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12

Machado, Marcelo Pereira. "Estudos de primeiros principios de nanocones de bn com 240o de disclinacão: uma nova proposta." Universidade Federal de Santa Maria, 2005. http://repositorio.ufsm.br/handle/1/3914.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>In this Thesis we investigate several possibilities for the cap closure mechanism of the 240o disclination boron-nitride nanocones through the energetics and structural analisys. Several cones' terminations were studied, which are different amongst each other due to the type of closing structure as well as the arrangement of them. In this way, some structures were classified in terms of their stabilities. In order to study some possible aplications of the boron-nitride nanocones, we analyze the electronic charge distribution at t

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13

Pires, Marcelo da Silva. "DinÃmica molecular e cÃlculos ab initio em molÃculas, nanocones de carbono e agregados de Ãgua." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=3655.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>A presente dissertaÃÃo insere-se no escopo da NanociÃncia e da Nanotecnologia, que tÃm como objeto de estudo sÃo sistemas (nanoestruturas, nanopartÃculas, nanoagregados, etc.) com dimensÃes caracterÃsticas no intervalo 1{100 nm (1nm = 10ÂA). Nela sao investigadas: (a) propriedades estruturais de nanocestas moleculares de carbono e sua interaÃÃo com o aminoÃcido L-alanina; (b) a interaÃÃo entre nanocones de carbono anin- hados; e (c) a transiÃÃo estrutural dependente da temperatura de agregados de Ãgua. Os nanosistemas foram estud

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14

Pires, Marcelo da Silva. "Dinâmica molecular e cálculos ab initio em moléculas, nanocones de carbono e agregados de água." reponame:Repositório Institucional da UFC, 2009. http://www.repositorio.ufc.br/handle/riufc/12928.

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PIRES, Marcelo da Silva. Dinâmica molecular e cálculos ab initio em moléculas, nanocones de carbono e agregados de água. 2009. 95 f. Dissertação (Mestrado em Física) - Programa de Pós-Graduação em Física, Departamento de Física, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, 2009.<br>Submitted by Edvander Pires (edvanderpires@gmail.com) on 2015-06-23T20:42:04Z No. of bitstreams: 1 2009_dis_mspires.pdf: 6865198 bytes, checksum: 5e8a1e933acef9d9453a7b24155a31de (MD5)<br>Approved for entry into archive by Edvander Pires(edvanderpires@gmail.com) on 2015-06-23T21:05:27Z (GMT) No. of

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15

Ball, David Klaus. "From 2D CoCrPt:SiO2 films with perpendicular magnetic anisotropy to 3D nanocones — A step towards bit patterned media —." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-113029.

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Due to the ever-increasing worldwide consumption of memory for digital information, new technologies for higher capacity and faster data storage systems have been the focus of research and development. A step towards achieving higher data storage densities or magnetic recording media is the concept of bit patterned media, where the magnetic recording layer is divided up into magnetically isolated bit units. This approach is one of the most promising technologies for increasing data storage densities and could be implemented by nanostructuring the wafer. Therefore, the fabrication of the approp

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Ball, David Klaus. "From 2D CoCrPt:SiO2 films with perpendicular magnetic anisotropy to 3D nanocones — A step towards bit patterned media —." Doctoral thesis, Helmholtz-Zentrum Dresden-Rossendorf, 2012. https://tud.qucosa.de/id/qucosa%3A26882.

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Due to the ever-increasing worldwide consumption of memory for digital information, new technologies for higher capacity and faster data storage systems have been the focus of research and development. A step towards achieving higher data storage densities or magnetic recording media is the concept of bit patterned media, where the magnetic recording layer is divided up into magnetically isolated bit units. This approach is one of the most promising technologies for increasing data storage densities and could be implemented by nanostructuring the wafer. Therefore, the fabrication of the approp

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17

Prado, Manoela Argenton. "S?ntese e caracteriza??o de nanocomp?sitos de poliuretano/ Ni-talco." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2014. http://tede2.pucrs.br/tede2/handle/tede/3262.

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Made available in DSpace on 2015-04-14T13:59:09Z (GMT). No. of bitstreams: 1 460217.pdf: 1794171 bytes, checksum: 9f89fb6e90ac2a056b535eb35119531e (MD5) Previous issue date: 2014-08-01<br>The growth of the polymer market leads to new application niches for these materials with present different properties when compared to the conventional ones, such as composites and nanocomposites, making key the search and the development of these products. Polyurethanes (PUs) are among the most versatile polymers in the world today. To improve the performance of a polyurethane, a common method is to incor

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18

LIU, BOYANG. "SYNTHESIS AND ASSEMBLY OF CUBIC NANOPARTICLES WITHIN A SPHERICAL CONFINEMENT AT VARYING TEMPERATURES." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1619430294520583.

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19

Pedreira, Danilo Oliveira. "Efeito do campo el?trico em nanocones formados por aln e BN: um estudo por primeiros princ?pios." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/18590.

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Made available in DSpace on 2015-03-03T15:15:25Z (GMT). No. of bitstreams: 1 DaniloOP_DISSERT.pdf: 4960065 bytes, checksum: 2456c0bae1a71dcfba2b428f418ad512 (MD5) Previous issue date: 2011-02-25<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>The development of computers and algorithms capable of making increasingly accurate and rapid calculations as well as the theoretic foundation provided by quantum mechanics has turned computer simulation into a valuable research tool. The importance of such a tool is due to its success in describing the physical and chemical pro

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20

Schönberger, Tanja. "Prostata-Lymphszintigraphie mit 99m-Tc-Nanocoll zur Identifikation der Sentinel-Lymphknoten am Hundemodell." Diss., lmu, 2003. http://nbn-resolving.de/urn:nbn:de:bvb:19-16544.

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21

Cornell, Thomas Andrew. "Toward high throughput screening of assembly-optimised ferritin nanocage libraries applied to nanotechnology." Thesis, King's College London (University of London), 2015. https://kclpure.kcl.ac.uk/portal/en/theses/toward-high-throughput-screening-of-assemblyoptimised-ferritin-nanocage-libraries-applied-to-nanotechnology(60be652b-cc0b-410c-a845-3040a9aed633).html.

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Protein nanocages have been directed toward a myriad of applications such as drug delivery and material science as well as model systems to study protein folding and self-assembly. These pursuits, because they have conventionally been explored through often indirect techniques which typically are implemented in a protracted and high-resource intensive manner, have been limited by the inability to design rapidly novel and unique properties of these proteins or to discover conditions most ideal for their efficacy. This thesis describes experiments performed to explore protein nanocage applicatio

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Silva, Vin?cius Dem?trio da. "S?ntese e caracteriza??o de nanocomp?sitos poliuretano/di?xido de tit?nio." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2012. http://tede2.pucrs.br/tede2/handle/tede/3194.

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Made available in DSpace on 2015-04-14T13:58:46Z (GMT). No. of bitstreams: 1 436433.pdf: 3671091 bytes, checksum: e58d7613447bd2e75558f5959d5e2989 (MD5) Previous issue date: 2012-01-27<br>Due to the demand of the current market of polymeric materials and materials based on a polymeric structure, as some composites and nanocomposites, the development of new materials is fundamental. Thus, this work aims to study the synthesis and experimental characterization of nanocomposites polyurethane/titanium dioxide, using commercial raw materials. The nanocomposites were synthesized by in situ polymer

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Chang, Liu. "Ghost in the shell : Studies on subsurface oxygen in oxide-derived copper nanocube catalysts." Licentiate thesis, Stockholms universitet, Fysikum, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-147215.

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With the passage of time and the advancement of our industrial civilization, environmental concerns have become more and more recognized since the 1990s. Carbon dioxide reduction reactions are capable of converting carbon dioxide into valuable hydrocarbons and reducing the carbon emission from the combustion of fossil fuels. This is a promising direction for sustainable energy resources given that the scarcity of fossil fuels is becoming more threatening to the survival of mankind. In recent years, oxide-derived metal nanostructures have been synthesized and show unique catalytic features. Rec

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Kreidt, Elisabeth [Verfasser], and Michael [Akademischer Betreuer] Seitz. "Functional Lanthanoid Cryptates – From Mononuclear Amino Acids to Luminescent Nanocodes / Elisabeth Kreidt ; Betreuer: Michael Seitz." Tübingen : Universitätsbibliothek Tübingen, 2019. http://d-nb.info/1187724564/34.

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25

Gheno, Grasiela. "Prepara??o de nanol?minas de grafite e s?ntese de nanocomp?sitos de polianilina." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2010. http://tede2.pucrs.br/tede2/handle/tede/3150.

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Made available in DSpace on 2015-04-14T13:58:35Z (GMT). No. of bitstreams: 1 421733.pdf: 3760932 bytes, checksum: 0c14420f885daad54a9e9eab67091876 (MD5) Previous issue date: 2010-01-07<br>Pesquisas envolvendo pol?meros condutores t?m mostrado grande interesse para aplica??es tecnol?gicas no setor industrial. Recentemente tem sido evidenciado um crescente interesse pela prepara??o de nanocomp?sitos polim?ricos utilizando grafite como carga inorg?nica. A grafite ? um material naturalmente abundante que, quando utilizada em dimens?es nanom?tricas, pode alterar algumas propriedades do material e

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Ractz, Guilherme Segatt. "S?ntese de nanofibras de polianilina e prepara??o do nanocomp?sito de polipropileno / polianilina." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2012. http://tede2.pucrs.br/tede2/handle/tede/6171.

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Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2015-06-24T21:45:32Z No. of bitstreams: 1 471013 - Texto Completo.pdf: 1943495 bytes, checksum: 36e051cefa7a9d47d6a0d608dff24d67 (MD5)<br>Made available in DSpace on 2015-06-24T21:45:32Z (GMT). No. of bitstreams: 1 471013 - Texto Completo.pdf: 1943495 bytes, checksum: 36e051cefa7a9d47d6a0d608dff24d67 (MD5) Previous issue date: 2012-07-16<br>The following paper reports the synthesis of polyaniline (PANI) nanofibers and the making of nanocomposites that have polypropylene as their polymer matrix. Polyaniline nanofibe

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Kruse, Claudius. "Untersuchungen zur Funktionsanalyse des retikuloendothelialen Systems im Kaninchenmodell unter Verwendung eines 99mTc-markierten, humanen Albuminderivates (Nanocoll)." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=972758100.

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Montagna, Larissa Stieven. "S?ntese de nanocomp?sitos de polipropileno/grafite obtidos por meio da polimeriza??o in situ." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2010. http://tede2.pucrs.br/tede2/handle/tede/3149.

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Made available in DSpace on 2015-04-14T13:58:35Z (GMT). No. of bitstreams: 1 420128.pdf: 7373435 bytes, checksum: 79d733ecad758b2df02f9fd0c8bbdaf5 (MD5) Previous issue date: 2010-01-05<br>O trabalho de pesquisa est? relacionado com a s?ntese de nanocomp?sitos de polipropileno contendo como nanocarga inorg?nica o grafite. As l?minas de grafite em dimens?es nanom?tricas foram obtidas por meio da esfolia??o qu?mica, tratamento t?rmico e com banho de ultrasson, e foram caracterizadas por Microscopia Eletr?nica de Varredura (MEV), Microscopia Eletr?nica de Transmiss?o (TEM), espectroscopia Raman

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Santos, Leonardo Moreira dos. "Prepara??o de nanocomp?sitos de poli?steres arom?ticos/TiO2 por polimeriza??o In SITU." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2013. http://tede2.pucrs.br/tede2/handle/tede/3241.

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Made available in DSpace on 2015-04-14T13:59:01Z (GMT). No. of bitstreams: 1 451408.pdf: 2001756 bytes, checksum: 64067e77cbea30ac7596f0d09843bc92 (MD5) Previous issue date: 2013-08-09<br>Due to search for different properties in polymeric materials, have increasing studies in the composites and the nanocomposites field, using inorganic fillers. Within this context one this work, which has as main objective to study experimentally the synthesis and characterization of nanocomposites of aromatic polyesters / titanium dioxide (PEA/TiO2), using raw materials trade. To do so, it was used the in

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Gon?alves, Raiane Valenti. "Nanocomp?sitos polim?ricos para imageamento n?o invasivo em tanques de simula??o hidr?ulica." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2013. http://tede2.pucrs.br/tede2/handle/tede/3243.

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Made available in DSpace on 2015-04-14T13:59:01Z (GMT). No. of bitstreams: 1 451790.pdf: 380413 bytes, checksum: 93bdbfaddeeadb736f607d61d5cef5ab (MD5) Previous issue date: 2013-08-23<br>The mechanisms of initiation, transport and deposition of sediment in turbidity currents have been studied because of its potential environmental impact and for containing the main hydrocarbon reservoirs. Several research groups have performed simulations of these phenomena in reduced models, using the coal 205 as sediment. However, this material has limitations on its use in noninvasive imaging techniques f

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Medeiros, Antonio Marcos de. "Desevolvimento de nanocomp?sitos de poli(metacrilato de metila)/argila processados por mistura no estado fundido." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12710.

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Made available in DSpace on 2014-12-17T14:06:57Z (GMT). No. of bitstreams: 1 AntonioMM_DISSERT.pdf: 3167534 bytes, checksum: a8247e394e6c3656375c3f16b429e065 (MD5) Previous issue date: 2010-10-15<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Poly(methyl methacrylate)/clay nanocomposites were prepared by melt mixing using a montmorillonite-rich clay (MMT). The clay in natura was treated with acrylic acid to facilitate the dispersion in the polymer matrix. A masterbatch of PMMA/clay was prepared and combined with the pure PMMA and then subjected to extrusion process using s

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Tavares, Mara Tatiane de Souza. "S?ntese hidrot?rmica assistida por micro-ondas de tiO2, e aplica??o em nanocomp?sito." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12823.

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Made available in DSpace on 2014-12-17T14:07:15Z (GMT). No. of bitstreams: 1 MaraTST_DISSERT.pdf: 2071273 bytes, checksum: 9636b6602dd1a469f78b17d077ba757f (MD5) Previous issue date: 2013-03-04<br>In recent decades have seen a sharp growth in the study area of nanoscience and nanotechnology and is included in this area, the study of nanocomposites with self-cleaning properties. Since titanium dioxide (TiO2) has high photocatalytic activity and also antimicrobial, self-cleaning surfaces in your application has been explored. In this study a comparison was made between two synthesis routes to

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Maraschin, Thuany Garcia. "Prepara??o de ?xido de grafeno e ?xido de grafeno reduzido e dispers?o em matriz polim?rica biodegrad?vel." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2016. http://tede2.pucrs.br/tede2/handle/tede/7065.

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Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2016-11-29T15:45:36Z No. of bitstreams: 1 DIS_THUANY_GARCIA_MARASCHIN_COMPLETO.pdf: 3644963 bytes, checksum: fa378de0f5287d6d9eeabe72fda2aa16 (MD5)<br>Made available in DSpace on 2016-11-29T15:45:36Z (GMT). No. of bitstreams: 1 DIS_THUANY_GARCIA_MARASCHIN_COMPLETO.pdf: 3644963 bytes, checksum: fa378de0f5287d6d9eeabe72fda2aa16 (MD5) Previous issue date: 2016-08-26<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES<br>The development of methodologies able to prepare new materials, using graphene i

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Rodrigues, Lourdes Aparecida Ribeiro. "Efeito de argilas organof?licas na estrutura e propriedades de nanocomp?sitos de poli(metacrilato de metila)." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12841.

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Made available in DSpace on 2014-12-17T14:07:18Z (GMT). No. of bitstreams: 1 LourdesARR_TESE.pdf: 12458480 bytes, checksum: 0efd4ff8bfb0c0bf6bcd3c18e449a690 (MD5) Previous issue date: 2013-05-17<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Nacomposites of polymers and lamellar clayminerals, has generated high scientific and technological interest, for having mechanical properties and gas barriers differentiated of polymers and conventional composites. In this work, it was developed nanocomposites by single screw extruder and injection, utilizing commercial raw material,

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Silva, Erik dos Santos. "Efeito da incorpora??o de s?lica tratada com aminosilano nos nanocomp?sitos PMMA/SAN/S?lica." PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE MATERIAIS, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/24640.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2018-01-23T13:48:58Z No. of bitstreams: 1 ErikDosSantosSilva_TESE.pdf: 6543895 bytes, checksum: 29c9b0e4741aa669a76be6f191b18cf7 (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2018-01-24T14:05:43Z (GMT) No. of bitstreams: 1 ErikDosSantosSilva_TESE.pdf: 6543895 bytes, checksum: 29c9b0e4741aa669a76be6f191b18cf7 (MD5)<br>Made available in DSpace on 2018-01-24T14:05:43Z (GMT). No. of bitstreams: 1 ErikDosSantosSilva_TESE.pdf: 6543895 bytes, checksum: 29c9b0e4741aa669a76be6f191b18cf7

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Valente, Cristhiane Alvim. "S?ntese de nanofibras de polipirrol para potencial aplica??o em conduto biodegrad?vel para regenera??o nervosa." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2014. http://tede2.pucrs.br/tede2/handle/tede/3268.

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Made available in DSpace on 2015-04-14T13:59:10Z (GMT). No. of bitstreams: 1 462029.pdf: 6506501 bytes, checksum: ac4fdb8832287abddfd8e14f596d52a1 (MD5) Previous issue date: 2014-03-28<br>Injury of peripheral nerves of accidents at work or home are common carriers and scallfolds of biodegradable polymers with temporary structural function to assist in the regeneration of damaged living tissue are being explored. Conducting polymers such as polypyrrole (PPy), have also been explored because of biocompatibility to various cell types and ease of synthesis. Artificial Nerve Guidance Conduits wit

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Pilar, Fabiana Dias. "Prepara??o de filmes de quitosana e PLGA com polipirrol para aplica??o na regenera??o nervosa." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2014. http://tede2.pucrs.br/tede2/handle/tede/3271.

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Made available in DSpace on 2015-04-14T13:59:12Z (GMT). No. of bitstreams: 1 462534.pdf: 6291609 bytes, checksum: bcc4cc22e65f1ab2007237af4334f85d (MD5) Previous issue date: 2014-08-29<br>The purpose of this research was to prepare biocompatible and absorbable polymeric composites films of chitosan and PLGA with PPy nanofibers for application in peripheral nerve regeneration. The QT and PLGA films were prepared by solvent evaporation technique and PPy was synthesized by chemical oxidative polymerization using PTSA as dopant agent. In order to check the degradation time of the films, were per

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Oliveira, Felipo de. "S?ntese de nanocomp?sitos de nanofibras de polianilina e polietileno por meio da polimeriza??o IN SITU." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2011. http://tede2.pucrs.br/tede2/handle/tede/3186.

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Made available in DSpace on 2015-04-14T13:58:44Z (GMT). No. of bitstreams: 1 434521.pdf: 3294968 bytes, checksum: fbcc929bfb1cb1c681e58d0bf2918d23 (MD5) Previous issue date: 2011-08-24<br>O presente trabalho se relaciona com a s?ntese de nanofibras de polianilina, um pol?mero condutor com elevada condutividade el?trica. Foram produzidos nanocomp?sitos com as nanofibras de polianilina como carga condutora e o polietileno como matriz polim?rica. As nanofibras de polianilina com di?metros de fibra entre 50 e 100nm foram obtidas por meio da polimeriza??o interfacial da anilina, e foram caracteri

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Ara?jo, Rubens Capistrano de. "Revestimento superhidrof?bico de nanocomp?sito PTFE/CaO fabricado por deposi??o de espuma em fibras de PLA." PROGRAMA DE P?S-GRADUA??O EM ENGENHARIA MEC?NICA, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/24503.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-12T18:21:03Z No. of bitstreams: 1 RubensCapistranoDeAraujo_TESE.pdf: 5113380 bytes, checksum: 6c5c79e9dca9bf8ff407a71a0e02013e (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-13T19:53:41Z (GMT) No. of bitstreams: 1 RubensCapistranoDeAraujo_TESE.pdf: 5113380 bytes, checksum: 6c5c79e9dca9bf8ff407a71a0e02013e (MD5)<br>Made available in DSpace on 2017-12-13T19:53:41Z (GMT). No. of bitstreams: 1 RubensCapistranoDeAraujo_TESE.pdf: 5113380 bytes, checksum: 6c5c79e9dca9bf

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Dias, Guilherme Thomas Gerevini. "Part?culas minerais silico-met?licas (SSMMP) como nanocarga : comparando o efeito de diferentes tratamentos hidrot?rmicos nas propriedades de nanocomp?sitos PU/SSMMP." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2015. http://tede2.pucrs.br/tede2/handle/tede/3274.

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Made available in DSpace on 2015-04-14T13:59:13Z (GMT). No. of bitstreams: 1 465109.pdf: 1597249 bytes, checksum: 8d8d15194dba51bfadcec2082e93418b (MD5) Previous issue date: 2015-01-20<br>The development of new materials with distinct properties is needed today; nanocomposites represent a new group of materials that stand out in this current market demand. Polyurethanes for having versatility as the processes of synthesis and composition are an object of study in various industrial segments. One method to improve the properties of the polyurethane is the addition of inorganic fillers. Thus,

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Silva, Pierre Weinmann da. "Obten??o de blendas polim?ricas de polipropileno contendo como carga condutiva um nanocomp?sito formado por nanofibras de polianilina e nanol?minas de grafite." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2012. http://tede2.pucrs.br/tede2/handle/tede/6182.

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Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2015-06-29T11:27:22Z No. of bitstreams: 1 471334 - Texto Completo.pdf: 4524191 bytes, checksum: f5450152427bd38ead2e27ad8d28c46b (MD5)<br>Made available in DSpace on 2015-06-29T11:27:23Z (GMT). No. of bitstreams: 1 471334 - Texto Completo.pdf: 4524191 bytes, checksum: f5450152427bd38ead2e27ad8d28c46b (MD5) Previous issue date: 2012-07-12<br>This work aims to obtain polymer blends containing polypropylene wtih conductive nanofibers formed by polyaniline and graphite nanosheets. Will study the effects of morphology a

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Burr, Loïc [Verfasser], Christina [Akademischer Betreuer] Trautmann, Ralph [Akademischer Betreuer] Krupke, Robert [Akademischer Betreuer] Stark, and Friedemann [Akademischer Betreuer] Völklein. "Ion-track technology based synthesis and characterization of gold and gold alloys nanowires and nanocones / Loïc Burr. Betreuer: Christina Trautmann ; Ralph Krupke ; Robert Stark ; Friedemann Völklein." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2016. http://d-nb.info/1112269622/34.

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Monteiro, Wesley Formentin. "Nanotubos de titanatos e sua aplica??o em matrizes de poliuretano." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2015. http://tede2.pucrs.br/tede2/handle/tede/6406.

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Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2015-11-26T11:39:49Z No. of bitstreams: 1 476451 - Texto Completo.pdf: 8210475 bytes, checksum: d312c576e78b0f9de246885a55a53e56 (MD5)<br>Made available in DSpace on 2015-11-26T11:39:49Z (GMT). No. of bitstreams: 1 476451 - Texto Completo.pdf: 8210475 bytes, checksum: d312c576e78b0f9de246885a55a53e56 (MD5) Previous issue date: 2015-03-03<br>The search for improvements in the properties of polymer matrices has been the subject of several studies. Among these, the use of inorganic fillers has shown results that demon

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Zhu, Shiying. "Terpyridine-based, Coordination-driven, 2D and 3D Supramolecular Architectures." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1490368620583045.

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Hilton, Robert Joseph. "Ferritin Diversity: Mechanistic Studies, Disease Implications, and Materials Chemistry." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/3070.

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The study of ferritin includes a rich history of discoveries and scientific progress. Initially, the composition of ferritin was determined. Soon, it was shown that ferritin is a spherical, hollow protein. Eventually, over several decades of research, the structure and some function of this interesting protein was elucidated. However, the ferritin field was not completely satisfied. Today, for example, researchers are interested in refining the details of ferritin function, in discovering the role of ferritin in a variety of diseases, and in using ferritin for materials chemistry applications.

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46

Voiry, Damien. "Solubilisation et fonctionnalisation covalente de nanotubes de carbone et autres formes de carbone nanostructurées." Phd thesis, Bordeaux 1, 2010. http://tel.archives-ouvertes.fr/tel-00584299.

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Les nanotubes de carbone ou le graphène sont des formes allotropiques du carbone prometteuses pour un large domaine d'applications, mais des modifications de leur surface carbonée sont nécessaires pour leur manipulation et mise en forme. La fonctionnalisation covalente est un des moyens utilisés avec succès dans ce cadre, même si les modifications induites ne sont pas contrôlables. Les travaux réalisés au cours de cette thèse concernent l'utilisation de la réduction chimique des nanotubes et autres nanoformes de carbone, nanocornes, graphène ou nanodisques, pour d'une part obtenir des solution

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Santos, Leonardo Moreira dos. "Obten??o de nanocomp?sitos magn?ticos de Fe3O4-talco sint?tico com matrizes poliuret?nicas base solvente e base ?gua." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2017. http://tede2.pucrs.br/tede2/handle/tede/7604.

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Submitted by Caroline Xavier (caroline.xavier@pucrs.br) on 2017-08-07T12:45:10Z No. of bitstreams: 1 TES_LEONARDO_MOREIRA_DOS_SANTOS_COMPLETO.pdf: 6572783 bytes, checksum: e8d5d3a0189ac032e86a93f6776a8ad0 (MD5)<br>Made available in DSpace on 2017-08-07T12:45:10Z (GMT). No. of bitstreams: 1 TES_LEONARDO_MOREIRA_DOS_SANTOS_COMPLETO.pdf: 6572783 bytes, checksum: e8d5d3a0189ac032e86a93f6776a8ad0 (MD5) Previous issue date: 2017-03-24<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES<br>The obtaining of materials with different and superior properties when compared to existing

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Ferreira, Evans Paiva da Costa. "Tratamento de argila montmorilon?tica para a produ??o de nanocomp?sitos polim?ricos com retardo de propaga??o de chama." Universidade Federal do Rio Grande do Norte, 2015. http://repositorio.ufrn.br/handle/123456789/20259.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-04-22T21:40:21Z No. of bitstreams: 1 EvansPaivaDaCostaFerreira_TESE.pdf: 4808121 bytes, checksum: 445ac97bb5a954c9963c5839ef4da0e9 (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-04-22T21:56:58Z (GMT) No. of bitstreams: 1 EvansPaivaDaCostaFerreira_TESE.pdf: 4808121 bytes, checksum: 445ac97bb5a954c9963c5839ef4da0e9 (MD5)<br>Made available in DSpace on 2016-04-22T21:56:58Z (GMT). No. of bitstreams: 1 EvansPaivaDaCostaFerreira_TESE.pdf: 4808121 bytes, checksum: 445ac97bb5a

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Silva, Dany Geraldo Kramer Cavalcanti e. "Desenvolvimento de nanocomp?sito (hidroxiapatita/ poliuretano) pela gela??o (gelling) de poli ( ?lcool vin?lico) (PVA) para remo??o de metais pesados." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15605.

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Made available in DSpace on 2014-12-17T14:57:57Z (GMT). No. of bitstreams: 1 DanyGKCS_TESE.pdf: 7629414 bytes, checksum: 0319ec74d00ba690b4f1a60f7aab52d1 (MD5) Previous issue date: 2013-10-18<br>Removing microcontaminants from effluents is a challenge today, because of its high cost and low efficiency, especially in the treatment of effluents containing heavy metals. An alternative that has emerged is the use of biodegradable nanocomposites, which exhibit good removal and recovery performances, in addition to its low cost. With this in mind, the present study aimed to develop and chara

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Rodrigues, Eloise Cristina de Souza. "S?ntese e caracteriza??o de nanocomp?sitos de part?culas de ?-Fe, w?stita e magnetita para aplica??es biom?dicas." PROGRAMA DE P?S-GRADUA??O EM F?SICA, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/23512.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-06-13T19:40:46Z No. of bitstreams: 1 EloiseCristinaDeSouzaRodrigues_TESE.pdf: 3994565 bytes, checksum: b9c31f2d2181715131a7f58b458b5b2a (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-06-16T20:54:23Z (GMT) No. of bitstreams: 1 EloiseCristinaDeSouzaRodrigues_TESE.pdf: 3994565 bytes, checksum: b9c31f2d2181715131a7f58b458b5b2a (MD5)<br>Made available in DSpace on 2017-06-16T20:54:23Z (GMT). No. of bitstreams: 1 EloiseCristinaDeSouzaRodrigues_TESE.pdf: 3994565 bytes, checks

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