Sergio Alvaro de Souza Camargo Junior

Instituição:

Universidade Federal do Rio de Janeiro

Centro:

Centro de Tecnologia

Unidade:

Coordenação dos Programas de Pós-Graduação de Engenharia

Departamento:

Programa de Engenharia Metalúrgica/COPPE

ORCID:

não disponível no Lattes


Formação:
  • Pontifícia Universidade Católica do Rio de Janeiro

    Física | Doutorado | 1982 - 1987
  • Pontifícia Universidade Católica do Rio de Janeiro

    Física | Mestrado | 1981 - 1982
  • Pontifícia Universidade Católica do Rio de Janeiro

    Bacharelado Em Física | Graduação | 1976 - 1980
Laboratórios:
Nuvens de Palavras:
Artigos:

(81.58% artigos com DOI)

Titulo DOI Ano
A computer simulation study of extended DLVO interactions between calcite nanoparticles and real rough surfaces 10.1016/j.surfcoat.2023.129308 2023
Effect of oral exposure on chemical, physical, mechanical, and morphologic properties of clear orthodontic aligners 10.1016/j.ajodo.2023.05.015 2023
Very simple method to produce superhydrophobic stainless steel surfaces at room temperature 10.1016/j.matchemphys.2023.128203 2023
Graphite oxide synthetized by pulsed laser ablation technique used as an antifouling coating to inhibit CaCO3 scale on stainless steel surfaces 10.1116/6.0002833 2023
Optical Properties of Cu, Ni, and Co Nanoparticles Synthesized by Pulsed Laser in Liquid Ambient 10.1007/s13538-022-01091-x 2022
Superhydrophobic and Low Reflectance Carbon Nanotubes Buckypapers 10.1590/1980-5373-mr-2022-0136 2022
Production and Applications of Carbon Nanotube Buckypapers 10.5028/jatm.etmq.79 2020
Comparison of the properties of a-C:H films deposited from methane and heptane precursors: study of the mechanical, chemical and structural properties 10.1016/j.tsf.2019.137733 2020
Nano-Indentation Response of Ultrahigh Molecular Weight Polyethylene (UHMWPE): A Detailed Analysis 10.3390/polym12040795 2020
Organophilic nano-alumina for superhydrophobic epoxy coatings 10.1016/j.matchemphys.2020.123543 2020
Effect of different home-bleaching techniques for a regular or an extended time on enamel properties 10.4103/ijdr.ijdr_791_19 2020
Nanocrystalline tin oxide coatings on etched optical fiber Bragg grating for hydrogen sulfide detection 10.1116/1.5083107 2019
Niobo-phosphate bioactive glass films produced by pulsed laser deposition on titanium surfaces for improved cell adhesion 10.1016/j.ceramint.2019.06.025 2019
A comprehensive study on different silicon-containing interlayers for a-C:H adhesion on ferrous alloys 10.1016/j.tsf.2017.10.043 2018
Mechanical and tribological properties of diamond-like carbon DLC and DLC:Si coatings deposited on stainless steel / WC-Co substrates 10.1504/IJSURFSE.2018.096134 2018
Characterization of the Mandible Atta Laevigata and the Bioinspiration for the Development of a Biomimetic Surgical Clamp 10.1590/1980-5373-mr-2016-1137 2017
Surface Degradation of Resin-based Materials by Pediatric Syrup Containing Amoxicillin under Erosive Challenge 10.4034/pboci.2017.171.22 2017
Hydrogen Uptake Enhancement by the Use of a Magnesium Hydride and Carbon Nanotubes Mixture 10.1590/1980-5373-mr-2017-0445 2017
Tribological and Mechanical Properties of Brazilian Hair 10.1016/j.biotri.2017.06.001 2017
In vitro assessment of zinc apatite coatings on titanium surfaces 10.1016/j.ceramint.2016.06.203 2016
Structural and nano-mechanical properties of Calcium Silicate Hydrate (C-S-H) formed from alite hydration in the presence of sodium and potassium hydroxide 10.1016/j.cemconres.2015.04.006 2015
Effect of resin infiltration on the nanomechanical properties of demineralized bovine enamel 10.4103/0975-962x.140819 2014
Infrared spectroscopy, nano-mechanical properties, and scratch resistance of esthetic orthodontic coated archwires 10.2319/070314-472.1 2014
Wear mechanisms of dental composite restorative materials by two different in-vitro methods 10.1590/S1516-14392012005000183 2013
Relation between in-vitro wear and nanomechanical properties of commercial light-cured dental composites coated with surface sealants 10.1590/s1516-14392013005000097 2013
Tribological Characterization of Porous TiO2 Coatings Produced by Electrodeposition 10.4028/www.scientific.net/kem.493-494.430 2011
Scaling law analysis of paraffin thin films on different surfaces 10.1063/1.3280009 2010
Evaluation of corrosion resistance of diamond-like carbon films deposited onto AISI 4340 steel 10.1007/s10853-010-4602-5 2010
Mechanical and tribological properties of Ti-containing carbon nanocomposite coatings deposited on TiAlV alloys 10.1590/S1516-14392010000400016 2010
Plasma deposition and characterization of silicon oxide-containing diamond-like carbon films obtained from CH4:SiH4:O2 gas mixtures 10.1016/j.tsf.2007.10.119 2008
Influence of artificial saliva on abrasive wear and microhardness of dental composites filled with nanoparticles 10.1016/j.jdent.2008.05.001 2008
Toward a Direct Measurement of Paraffin Adhesion Forces 10.1021/ef800234d 2008
Ultra-high performance of DLC-coated Si3N4 rings for mechanical seals 10.1016/j.wear.2008.01.007 2008
Tribological properties of silicon nitride ceramics coated with DLC and DLC-Si against 316L stainless steel 10.1016/j.vacuum.2007.04.023 2007
Study of force curves on paraffin deposits using atomic force microscopy 10.1021/ef0603838 2007
DLC-SiOx nanocomposite films deposited from CH4:SiH4:O2 gas mixtures 10.1016/j.surfcoat.2005.11.049 2006
Influence of hydrogenated amorphous carbon coatings on the formation of paraffin deposits 10.1016/j.surfcoat.2005.11.061 2006
Silicon-incorporated diamond-like coatings for Si3N4 mechanical seals 10.1016/j.tsf.2004.11.149 2005
Amorphous carbon nitride thin films as electron injection layer in organic LEDs 10.1016/j.tsf.2003.09.025 2004
Hydrogen effusion from highly-ordered near-stoichiometric a-SiC:H 10.1016/j.jnoncrysol.2004.02.024 2004
A first evaluation of the abrasive wear of an austenitic FeMnAlC steel 10.1016/j.wear.2004.07.004 2004
Amorphous SiC Coatings for WC cutting tools 10.1016/s0257-8972(02)00486-3 2003
Deposition and properties of amorphous SiC coatings for WC cutting tools 2003
DLC-Si protective coatings for polycarbonates 10.1590/s1516-14392003000100005 2003
Properties of amorphous SiC coatings deposited on WC-Co substrates 10.1590/s1516-14392003000100007 2003
AFM investigation of DLC-Si films deposited on polycarbonate substrates 2003
Inert gas diffusion in DLC-Si films 10.1016/s0925-9635(01)00603-3 2002
Microstructural Characterization of hard hydrogenated amorphous silicon-carbon alloys 10.1016/s0022-3093(01)00988-7 2002
Fluorinated a-C:H films investigated by thermal induced gas effusion 10.1016/s0925-9635(02)00167-x 2002
Propriedades Mecânicas de epóxis utilizadas no recobrimento Interno de Oleodutos e gasodutos 2002
Deposition and evaluation of DLC-Si protective coatings for polycarbonate materials 10.1016/s0040-6090(02)00753-8 2002
Nanofriction evaluation of a-SiC:H films submitted to CF4 plasma processing 2001
Magnetron sputtered SiC coatings as corrosion protection barriers for steels 10.1016/s0257-8972(00)00976-2 2000
Magnetron Sputtered SiC Films Investigated by AFM 10.1016/s0040-6090(00)01371-7 2000
Deposition of Si-DLC films with high hardness, low stress and high deposition rate 10.1016/s0257-8972(00)00932-4 2000
Characterization of ultra-hard silicon carbide coatings deposited by rf magnetron sputtering 10.1016/s0040-6090(00)01321-3 2000
Amorphous carbon films deposited by dc magnetron sputtering: void distriution investigated by gas effusion and small angle x-ray scattering experiments 2000
Characterization of DLC:Si films by the gas effusion technique 10.1016/S0925-9635(99)00268-X 2000
Annealing Effects on Near Stoichiometric a-SiC:H Films 10.1016/s0257-8972(99)00390-4 1999
Effect of the Mold Temperature on the Electrical Properties of Carbon Black Loaded Polystyrene/SB Block Copolymer Blends 1998
Improved High Temperature Stability of Si Incorporated a-C:H Films 10.1016/s0925-9635(98)00165-4 1998
Condutividade Elétrica de Misturas de Poliestireno/Polibutadieno e Poliestireno/Copolímero em Bloco de Estireno-Butadieno contendo Negro de Fumo 1998
Structural modifications and temperature stability of silicon incorporated diamond like a-C:H films 10.1016/s0040-6090(98)01208-5 1998
Electrical Conductivity of Polystyrene/Styrene-Butadiene Block Copolymer Blends Containing Carbon Black 10.1007/s002890050024 1997
Relation Between Mechanical and Structural Properties of Silicon Incorporated Hard a-C:H Films 10.1016/s0040-6090(96)08948-1 1997
Cathodic and Anodic Glow Discharge Silicon Carbon Alloys (a-Si1-xCx:H) from x=0.5 to 1: A Comparative Study by Photoemission (UPS) and Photoluminescence (PL) 10.1016/0022-3093(95)00777-6 1996
Conductivity and ESR Measurements on Carbon Rich Cathodic Amorphous Silicon Carbon Alloys 1996
Influence of silicon incorporation on the properties of hard a-C:H films 1994
On the Carbon Incorporation into a-SiC:H Films with Low Carbon Content 10.1063/1.351224 1992
Improved Properties of a-SiC:H Alloys With Reduced Density of CH3 Radicals 1992
Improvement of a-SiC:H Alloys by Hydrogen Dilution of Starting Gases 10.1016/0022-3093(89)90727-8 1989
Triplet Molecular Excitations in Potassium Halide Cyanide Cristals : II. The K(CN)x Cl1-x Mixed System 1989
Triplet Molecular Excitations in Potassium Halide Cyanide Crystals: I. The CN- Impurity Centre 1989
Utilização de Filmes Finos de a-Si:H em Sensores de Temperatura à Fibra Otica 1987
Coupling Between Molecular and Charge Transfer Excitations in Mixed Alkali Halide Cyanide Crystals 1983
Optical Absorption of Triplet Molecular Excitons in Alkali Cyanides 10.1016/0038-1098(82)91091-2 1982
Eventos:

(0.66% eventos com DOI)

Titulo DOI Ano
Efeito da Exposição ao Meio Intra-oral nas Propriedades Químicas e Estabilidade de Cor de Alinhadores Ortodônticos Transparentes 2018
ESTUDO DA FUNCIONALIZAÇÃO DE MEMBRANAS DE POLIETERIMIDA COM M-XILENO DIAMINA PARA A DESIDRATAÇÃO DE ISOPROPANOL POR PERVAPORAÇÃO 2018
Diamond-like carbon thin film for tuned high sensitivity etched fiber Bragg grating refractometer 10.1117/12.2194469 2015
Perfomance of DLC as coating material deposited on stainless steel 410, Incolloy 925 and Inconel 718 2014
Fiber Bragg grating coated with hydrogenated amorphous carbon for refractive index sensing with improved sensitivity 2014
The use of DLC-based coatings to reduce Inorganic scale deposition 2014
Nanotribological and nanomechanical characterization of Brazilian hair. 2014
Thermal and Spectroscopy Characterization of Brazilian Organoclays 2013
Mechanical characterization of modified epoxy resin 2013
Resina epoxi modificada para aplicações de alto desempenho 2013
Improvement of the wear properties of a diamond-like carbon film coated on ultrahigh molecular weight polyethylene for biomaterials 2013
Comparison Study between the tribological and nanomechanical properties of two ethnic groups of hair fibers 2013
Tribological Characterization of Porous TiO2 Coatings Produced by Electrodeposition 2011
Nano-mechanical Properties of Carbon-based Coatings Deposited by Plasma Enhanced CVD and Reactive Magnetron Sputtering 2009
Study of CaCO3 Scale Formation on DLC coated steel 2009
Evaluation of Corrosion Resistance of Diamond-Like Carbon Films Deposited on AISI 4340 Steel 2009
Influence of DLC coatings on the formation of paraffin surface deposits from crude oils 2009
Mechanical and tribological properties of a DLC-coated aluminium-silicon alloy 2009
Avaliação da resistência a corrosão de filmes de carbono amorfo do tipo diamante depositados em aço AISI 4340 2009
Production and Properties of Resin Composites Reinforced by Nanoclay for Dental 2009
Sorção e solubilidade de quatro nanocompósitos 2009
Degradação superficial de nanocompósitos por saliva ácida: avaliação pelo MEV 2009
Nano-mechanical properties of carbon-based coatings deposited by plasma enhanced CVD and reactive magnetron sputtering 2009
A qualitative study on the wear tests of Ti-doped carbon-based coatings by using ball-on-disk apparatus 2009
Nano-Mechanical Properties of Modified DLC Films Deposited by rf-PECVD for TiAlV Implants 2008
Influence of Substrate Bias and Methane Flow on the Properties of Modified Carbon-based Thin Films Deposited by Reactive Magnetron Sputtering for Bio-tribological Applications 2008
Characterization of Ti- and Si-doped DLC Films Deposited by Reactive Magnetron Sputtering on TiAlV for Bio-coatings 2008
Análise da dureza e do módulo elástico de nanocompósitos restauradores utilizando ensaios de nanoindentação 2008
Sorção e solubilidade de um nanocompósito 2008
Caracterização de quatro marcas comerciais de nanocompósitos 2008
Mechanical and tribological studies of Ti-DLC films evaluated by pin-on-disk test in two different environments 2008
Influence of Substrate Bias and Methane Flow on the Properties of Modified Carbon-based Thin Films Deposited by Reactive Magnetron Sputtering for Bio-tribological Applications 2008
Characterization of Ti, Si:a-C:H Films Deposited by Reactive Magnetron Sputtering on TiAlV for Biocoatings 2008
Anti-corrosive characteristics of films deposited from methane and argon plasmas 2007
Efeito da amoxicilina sobre materiais restauradores adesivos submetidos a alto desafio cariogênico: um estudo in vitro 2007
Evaluation of surface free energy and water tension adhesion of modified-DLC coatings for metallic implants 2007
Análise in vitro do microdesgaste de um compósito odontológico utilizando o Teste de Desgaste Linear Alternado 2006
Interaction forces between paraffin and substrates measured by AFM 2006
Comparação de duas metodologias para avaliação in-vitro de desgaste de resinas compósitas 2006
Wear resistance and Vickers hardness of resin based dental composites filled with nanometric particles 2006
In vitro study of the wear of a resin composite with and without artificial saliva 2006
Análise in vitro do desgaste de um compósito odontológico microhíbrido utilizando duas metodologias diferentes 2006
In vitro study of wear of resin composite with and without artificial saliva 2006
Study of the growth of paraffin films by AFM and scaling law analysis 2005
Recobrimentos de carbono amorfo para parafuso de titânio utilizados em conexões protéticas 2005
Recobrimentos de carbono amorfo para utilização em limas endodônticas 2005
Avaliação in-vitro da citotoxidade e bioatividade de recobrimentos DLC e DLC-Si 2005
Study of the influence of carbon-based films onto different substrates on the morphology of paraffin crystals 2005
Influência de recobrimentos de carbono amorfo no processo de deposição de parafinas 2005
Análise in-vitro de dureza e da taxa de desgaste de dois compósitos odontológicos com partículas nanométricas 2005
Recobrimentos de limas endodônticas com filmes de carbono amorfo do tipo diamante 2005
Characterization of paraffin thin films deposited on different substrates by AFM 2005
Scaling laws on paraffin deposits onto different substrates 2005
In vitro abrasive wear and microhardness analysis of two dental composites filled with nanoparticles 2005
DLC-SiOx nanocomposite films deposited from CH4:SiH4:O2 gas mixtures 2005
Influence of different carbon-based substrates on the growth of paraffin crystals 2004
Morphology of n-paraffin films grown from heptane solutions investigated by AFM 2004
Influência do substrato nas medidas de propriedades mecânicas de filmes de DLC-Si através de ensaios de penetração instrumentada. 2004
Argon diffusion through amorphous carbon related materials 2004
Argon diffusion through amorphous carbon films 2004
AFM investigation of DLC films deposited on polycarbonate substrates 2003
Reparo interno in-situ de dutos por revestimentos epoxídicos 2003
Inert gas diffusion through amorphous materials studied by gas effusion experiments 2003
Comparative study of amorphous hydrogenated carbon films produces from methane, butane and butadiene 2003
Development of DLC-Si coatings and applications 2003
Influence of different substrates on the growth of paraffin crystals 2003
Argon diffusion through amorphous carbon materials studied by gas effusion experiments 2003
Deposition of a-C:H:Si:O coatings on polycarbonate 2003
Adhesion evaluation from indentation of DLC-Si films 2003
Production and Characterization of Polymer Films Deposited by Plasma Immersion Ion Implantation and Deposition Technique 2002
Deposition and evaluation of DLC-Si protective coatings for polycarbonate materiais. 2002
Optical and mechanical properties of DLC-Si protective coatings on polycarbonate 2002
Propriedades mecânicas de epóxis utilizadas no recobrimento interno de oleodutos e gasodutos 2001
Avaliação de materiais à base de epóxi para recobrimento interno de dutos de transporte 2001
DLC-Si protective coatings for polycarbonates 2001
Microstructure characterization of amorphous silicon based alloys by inert gas effusion studies. 2000
Correlation between physical and eletrochemical analysis of SiC thin films 2000
Produção de filmes de Si-DLC com alta dureza, baixa tensão interna e alta taxa de deposição 2000
Filmes super duros de carbeto de silício depositados por rf magnetrom sputering 2000
Carbono do tipo diamante estabilizado por silício versus carbeto de silício amorfo: estrutura, propriedades mecânicas e estabilidade térmica 2000
Filmes de SiC investigados por AFM 2000
Microestrutura de filmes de carbono amorfo depositados por sputtering estudados por SAXS 2000
Aderência de filmes de SiC sobre substratos de aço 2000
Microstructure characterization of Si-DLC films by inert gas effusion studies 2000
On the characterization of Si-DLC films by Raman spectroscopy 2000
Internal Coating of Brazilian Pipelines 2000
Avaliação técnica de revestimentos para proteção contra corrosão interna de dutos 2000
Recobrimentos Protetores de Carbeto de Silício Amorfo 2000
Recobrimentos protetores de ligas amorfas hidrogenadas de carbono e silício 2000
Estudo de propriedades anticorrosivas de filmes de carbeto de silício amorfo 2000
Deposition of Si-DLC films with high hardness, low stress and high deposition rate. 2000
Voids investigation of amorphous carbon films deposited by dc-magnetron sputtering: a small angle x-ray scattering and gas thermal effusion study 1999
Recobrimento interno de dutos para minimização de depósitos, fricção e corrosão 1999
Characterization of DLC:Si films by the gas effusion technique 1999
Efusão de Gases e Estabilidade de Filmes duros de a-C:H com Silício Incorporado 1999
Filmes de SiC produzidos por magnetron sputtering estudados por Microscopia de Força Atômica 1999
Produção e caracterização de recobrimentos super-duros de SiC por magnetron sputtering 1999
Recobrimentos de SiC produzidos por magnetron sputtering para proteção contra corrosão de substratos de aço 1999
Caracterização da homogeneidade estrutural de filmes de carbono amorfo 1999
Annealing Effects on Near Stoichiometric a SiC:H Films 1999
Compósitos Condutores de Eletricidade à Base de Poliestireno/Copolímeros de EVA 1998
Recobrimentos Duros de Carbono do Tipo Diamante com Silício Incorporado 1998
Improved High Temperature Stability of Si Incorporated a-C:H Films 1997
The Effect of Extraconductive Carbon Black on the Electrical and Mechanical Properties of Polyestyrene-Block Copolymer Blends 1996
Propriedades Mecânicas, Estruturais e Eletrônicas de Filmes Duros de a-C:H com Silício Incorporado 1996
Internal stress reduction and structure of silicon incorporated hard a-C:H Filmes 1996
Electronic Properties of Carbon Rich Cathodic Amorphous Silicon Carbon Alloys 1995
Silicon Incorporated Hard a-C:H Films 1995
Electronic Properties of Hard Amorphous Silicon-Carbon Alloys 1995
Bonding Properties of Hard a-C:Si:H Films Investigated by Infrared and Raman Spectroscopies 1995
Gas Effusion Experiments on Silicon Incorporated Hard a-C:H Films 1995
Propriedades Eletrônicas de Filmes Duros de a-C:Si:H 1995
Experimentos de Efusão de Gases em filme de a-C:Si:H 1995
Influence of Silicon Incorporation on the Properties of Hard a-C:H Films 1994
Internal Stress Reduction and Structure of Silicon Incorporated Hard a-C:H Films 1994
Tensão Interna em Filmes de a-C:H Incorporados com Silício 1994
ESTUDO DE FOTOCORRENTES PRIMÁRIAS EM DIODOS SCHOTTKY DE Pd-aSI:H. 1994
Produção e Caracterização de Filmes Duros de a-C:H Incorporados com Silício 1993
Fotocorrentes Primárias em Diodos Schottky de a-Si:H 1993
Propriedades de Filmes Duros de a-C:H Incorporados com Silício 1993
Bonding Properties of a-SiC:H Alloys: Transition from Methylated to Carbonated Amorphous Silicon 1992
Sistema Automatizado para Caracterização Elétrica de Semicondutores 1992
Estudo da Incorporação de Carbono em Ligas de a-SiC:H 1992
Implementação do Processo de Medida de Indice de Refração, Espessura e Absorção em Filmes Finos 1992
Properties of a-SiC:H Alloys with Low Carbon Content 1991
Characterization of Nitrogen Doped Carbon Films Deposited by RF Glow Discharge Using ERD, RBS, Nuclear Reactions, X Ray Diffraction and Infrared Spectroscopy 1991
Sistema Automatizado de Medida de Capacitância e Condutância Versus Tensão Aplicada, Frequência eTemperatura 1991
Propriedades Estruturais e Composicionais de ligas Amorfas de SiC:H Depositadas a Partir de SiH4 e CH4 Diluídos em Hidrogênio 1991
Determinação Automática de Parâmetros Óticos de Filmes Através dos Espectros de Transmitância 1991
Estudo de Ligas de Carbono e Silício Amorfo Hidrogenado por Espectroscopia de Elétrons Auger 1991
Influence of Hydrogen Redistribution on the Electrical Properties of Schottky Contacts to a-Si:H 1991
Characterization of Palladium Schottky Contacts a-Si:H and a-Si:N:H 1991
Estudo Comparativo de Contatos de Paládio em Silício Amorfo Hidrogenado e Nitreto de Silício Amorfo Hidrogenado 1990
Characterization of Pd Schottky Contacts to Hydrogenated Amorphous Silicon Nitrogen Alloys 1990
Incorporação de Carbono em Ligas Amorfas de SiC:H 1990
Influência da Densidade de Estados de Interfaces em Contatos Schottky de Paládio sobre Silício Amorfo Hidrogenado 1990
Caracterização de Contatos Schottky de Pd sobre Silício Amorfo Hidrogenado 1990
Improvement of the Photoconductivity of Glow Dischage SiC:H Amorphous Alloys by Hydrogen Dilution of Starting Gases 1989
Fotocondutividade de Ligas Amorfas de SiC:H 1989
Caracterização de Contatos Schottky de Pd sobre Silício Amorfo Hidrogenado e suas Ligas 1989
Caracterização de Heteroestruturas em Poço Quántico Grin em GaAs/ GaAlas 1989
Termômetro à Fibra Otica Utilizando Filme Fino de Silício Amorfo como Material Sensor 1988
Caracterização de Poços Quânticos de GaAlAs/GaAs 1988
Optical Fiber Temperature Sensor Utilizing Hydrogenated Amorphous Silicon Films 1987
Energia Fotovoltaica: Panorama Mundial e Nacional 1987
Utilização de Filmes Finos de a-Si:H em Sensores de Temperatura à Fibra Otica 1987
Catodoluminescência com Canhão Eletrônico de Televisão 1986
Excitações Moleculares em Sistemas Mistos de K(CN)xC11-x 1986
Luminescência de Centros deCN- em Halogenetos Alcalinos 1985
Luminescence and Decay Times of CN- Impurity Centres in Alkali Halides 1984
Dynamic Properties of Molecular Excitons in Alkali Cyanides 1984
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