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Ceramics, Materials Science
Colombia

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Employment (1)

Universidad Nacional de Colombia: Medellín , CO

professor
Employment
Source: Self-asserted source
Alex A. Lopera

Education and qualifications (1)

Universidad Nacional de Colombia: Medellín, CO

2014-02-01 to 2017-11-30 | Ph.D. Science and Technology of Materials
Education
Source: Self-asserted source
Alex A. Lopera

Works (29)

Measurement of gravity in laboratories for fundamental physics using mobile devices: An approach from the Internet of Things

Computer Applications in Engineering Education
2024-03 | Journal article
Contributors: Tatiana Muñoz‐Hernandez; Ana Maria Metaute; Alex Arbey Lopera Sepulveda; Jaime Andres Perez‐Taborda; Alcides de Jesus Montoya Cañola; Diego Luis Aristizabal Ramirez
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Crossref

Effects of Propolis Impregnation on Polylactic Acid (PLA) Scaffolds Loaded with Wollastonite Particles against Staphylococcus aureus, Staphylococcus epidermidis, and Their Coculture for Potential Medical Devices

Polymers
2023-06-09 | Journal article
Contributors: Ana Isabel Moreno; Yeison Orozco; Sebastián Ocampo; Sarita Malagón; Alex Ossa; Alejandro Peláez-Vargas; Carlos Paucar; Alex Lopera; Claudia Garcia
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Preferred source (of 2)‎

Fabrication of polycaprolactone/calcium phosphates hybrid scaffolds impregnated with plant extracts using 3D printing for potential bone regeneration

Heliyon
2023-02 | Journal article
Contributors: Claudia Garcia; Yeison Orozco; Alejandra Betancur; Ana Isabel Moreno; Katherine Fuentes; Alex Lopera; Oscar Suarez; Tatiana Lobo; Alexander Ossa; Alejandro Peláez-Vargas et al.
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Crossref

Obtaining a fused PLA-calcium phosphate-tobramycin-based filament for 3D printing with potential antimicrobial application

Journal of the Korean Ceramic Society
2023-01 | Journal article
Contributors: Alex A. Lopera; Vinicius D. N. Bezzon; Victoria Ospina; Jorge L. Higuita-Castro; Francisco J. Ramirez; Humberto G. Ferraz; Marcos T. A. Orlando; Carlos G. Paucar; Sara M. Robledo; Claudia P. Garcia
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Effect of the Fuel in the Synthesis of NiO–YSZ by Solution Combustion Synthesis with Potential Application in Catalysis of Hydrogen

International Journal of Self-Propagating High-Temperature Synthesis
2022 | Journal article
EID:

2-s2.0-85133026485

Part of ISSN: 1934788X 10613862
Contributors: Lopera, A.A.; Chavarriaga, E.A.; Perez-Taborda, J.A.; Amaya, S.L.; Echavarría, A.; García, C.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Influence of caffeine and citrulline on magnetic properties when used as new fuels in the synthesis of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles by gel combustion

Journal of Magnetism and Magnetic Materials
2022 | Journal article
EID:

2-s2.0-85132923352

Part of ISSN: 03048853
Contributors: Chavarriaga, E.A.; Lopera, A.A.; Bender Wermuth, T.; Arcaro, S.; Bezzon, V.D.N.; García, C.; Alarcón, J.; Gabriel Ramirez, J.; Moreno, R.; Pérez Bergmann, C.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Nanomaterials for Inorganic Pigments

Engineering Materials
2022 | Book chapter
EID:

2-s2.0-85126644786

Part of ISSN: 18681212 16121317
Contributors: Chavarriaga, E.A.; Wermuth, T.B.; Lopera, A.A.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

One-step CoFe<sub>2</sub>O<sub>4</sub> gel combustion synthesis using tris(hydroxymethyl)aminomethane (TRIS) as alternative fuel: Control of oxidiser-to-fuel molar ratio for tuning its structural, magnetic, and optical properties

Journal of Magnetism and Magnetic Materials
2022 | Journal article
EID:

2-s2.0-85137741768

Part of ISSN: 03048853
Contributors: Lucas Nicolini, J.; Andrés Chavarriaga, E.; Lopera, A.; Bender Wermuth, T.; García, C.; Alarcón, J.; Cas Viegas, A.; Antonio Zen Vasconcellos, M.; Rubem Klegues Montedo, O.; Pérez Bergmann, C. et al.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Synthesis of high crystallinity biphasic calcium phosphates/gold nanoparticles composites by solution combustion method with antimicrobial response

Boletín de la Sociedad Española de Cerámica y Vidrio
2022-09 | Journal article
Contributors: Alex Lopera; Edgar Andrés Chavarriaga; Vinicius D.N. Bezzon; Mateo Zutta; Adrián Gómez; Jorge Puerta; Sara Maria Robledo; Victoria E. Ospina; Carlos Paucar; Claudia Garcia
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NiFe<sub>2</sub>O<sub>4</sub> Powders by Solution-Combustion Synthesis Using 6-Aminohexanoic Acid as a Fuel: Structural and Magnetic Properties

International Journal of Self-Propagating High-Temperature Synthesis
2021 | Journal article
EID:

2-s2.0-85108994052

Part of ISSN: 1934788X 10613862
Contributors: Chavarriaga, E.A.; Lopera, A.A.; Wermuth, T.B.; Arcaro, S.; Bergmann, C.P.; Alarcón, J.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Superparamagnetic MnFe<sub>2</sub>O<sub>4</sub> Ferrite by Gel Combustion Synthesis Using TRIS as a Fuel: Influence of Oxidizer to Fuel Ratio

International Journal of Self-Propagating High-Temperature Synthesis
2021 | Journal article
EID:

2-s2.0-85109023225

Part of ISSN: 1934788X 10613862
Contributors: Chavarriaga, E.A.; Lopera, A.A.; Wermuth, T.B.; Arcaro, S.; García, C.; Alarcón, J.; Bergmann, C.P.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Study on alumina ball size distribution in white cement grinding

DYNA
2021-07-28 | Journal article
Contributors: Moises Oswaldo Bustamante Rúa; Ismael Eduardo Rivera Madrid; Juan Luis Palacio Bedoya; Marlon Rincón Fulla; Alex Arbey Lopera Sepúlveda; Adriana Marcela Osorio Correa; Juan María Menéndez Aguado
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Crossref

Effect of the substitution of Co<sup>2+</sup>by Mg<sup>2+</sup>on the color of the CoCr<sub>2</sub>O<sub>4</sub>ceramic pigment synthesized by solution combustion,Efecto de la sustitución de Co<sup>2+</sup>por Mg<sup>2+</sup>en el color del pigmento cerámico CoCr<sub>2</sub>O<sub>4</sub>sintetizado por combustión en solución

Boletin de la Sociedad Espanola de Ceramica y Vidrio
2020 | Journal article
EID:

2-s2.0-85077211313

Part of ISSN: 21730431 03663175
Contributors: Chavarriaga, E.; Lopera, A.; Bergmann, C.; Alarcón, J.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Efficacy of photodynamic therapy using TiO<sub>2</sub> nanoparticles doped with Zn and hypericin in the treatment of cutaneous Leishmaniasis caused by Leishmania amazonensis

Photodiagnosis and Photodynamic Therapy
2020 | Journal article
EID:

2-s2.0-85079880190

Part of ISSN: 18731597 15721000
Contributors: Sepúlveda, A.A.L.; Arenas Velásquez, A.M.; Patiño Linares, I.A.; de Almeida, L.; Fontana, C.R.; Garcia, C.; Graminha, M.A.S.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

One-Step Solution-Combustion Synthesis of Ni/NiO Nanocomposites Using 6-Aminohexanoic Acid as a Fuel: Effect of Oxidizer-to-Fuel Ratio

International Journal of Self-Propagating High-Temperature Synthesis
2020 | Journal article
EID:

2-s2.0-85087296777

Part of ISSN: 1934788X 10613862
Contributors: Chavarriaga, E.A.; Lopera, A.A.; Bergmann, C.P.; Alarcón, J.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Preparation and in vitro evaluation of PLA/biphasic calcium phosphate filaments used for fused deposition modelling of scaffolds

Materials Science and Engineering: C
2020-09 | Journal article
Part of ISSN: 0928-4931
Contributors: P. Nevado; A. Lopera; V. Bezzon; M.R. Fulla; J. Palacio; M.A. Zaghete; G. Biasotto; A. Montoya; J. Rivera; S.M. Robledo et al.
Source: Self-asserted source
Alex A. Lopera

Synthesis by solution combustion of inorganic blue pigments MFe2(P2O7)2: Influence of the cation M (Zn2+, Co2+, Cu2+, and Mg2+) on their optical properties

Solid State Sciences
2020-05 | Journal article
Part of ISSN: 1293-2558
Contributors: E.A. Chavarriaga; A.A. Lopera; T.B. Wermuth; S. Arcaro; A. Gómez; O.J. Restrepo; J. Alarcón; C.P. Bergmann
Source: Self-asserted source
Alex A. Lopera
grade
Preferred source (of 2)‎

N, N′ N″-trisubstituted guanidines: Synthesis, characterization and evaluation of their leishmanicidal activity

European Journal of Medicinal Chemistry
2019 | Journal article
EID:

2-s2.0-85063150817

Part of ISSN: 17683254 02235234
Contributors: do Espírito Santo, R.D.; Velásquez, Á.M.A.; Passianoto, L.V.G.; Sepulveda, A.A.L.; da Costa Clementino, L.; Assis, R.P.; Baviera, A.M.; Kalaba, P.; dos Santos, F.N.; Éberlin, M.N. et al.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Gel combustion synthesis and magnetic properties of CoFe2O4, ZnFe2O4, and MgFe2O4 using 6-aminohexanoic acid as a new fuel

Journal of Magnetism and Magnetic Materials
2019-10 | Journal article
Part of ISSN: 0304-8853
Source: Self-asserted source
Alex A. Lopera
grade
Preferred source (of 2)‎

Solution-combustion synthesis of doped TiO <inf>2</inf> compounds and its potential antileishmanial activity mediated by photodynamic therapy

Journal of Photochemistry and Photobiology B: Biology
2018 | Journal article
EID:

2-s2.0-85046038117

Contributors: Lopera, A.A.; Velásquez, A.M.A.; Clementino, L.C.; Robledo, S.; Montoya, A.; de Freitas, L.M.; Bezzon, V.D.N.; Fontana, C.R.; Garcia, C.; Graminha, M.A.S.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Synthesis by solution combustion and optical characterization of violet NASICON-type Mg<inf>0.45</inf>Co<inf>0.05</inf>Ti<inf>2</inf>(PO<inf>4</inf>)<inf>3</inf> pigment

Dyes and Pigments
2018 | Journal article
EID:

2-s2.0-85046037588

Contributors: Chavarriaga, E.A.; Lopera, A.A.; Wermuth, T.B.; Restrepo, O.J.; Bergmann, C.P.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Synthesis of calcium phosphate nanostructures by combustion in solution as a potential encapsulant system of drugs with photodynamic properties for the treatment of cutaneous leishmaniasis

Photodiagnosis and Photodynamic Therapy
2018 | Journal article
EID:

2-s2.0-85038847136

Contributors: Lopera, A.A.; Montoya, A.; Vélez, I.D.; Robledo, S.M.; Garcia, C.P.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Síntesis y caracterización de pigmentos inorgánicos azules CoAl1.95Cr0.05O4 y Zn0,8Co0,2Al2O4 por combustión en solución

Scientia et Technica
2018-12-30 | Journal article
Contributors: Edgar Andrés Chavarriaga Miranda; Alex Arbey Lopera Sepúlveda; Juan Fernando Montoya Carvajal; Stiven Villada Gil; Oscar Jaime Restrepo Baena
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Crossref

Effect of salt concentration on the electrical and morphological properties of calcium phosphates obtained via microwave-induced combustion synthesis

Advanced Powder Technology
2017 | Journal article
EID:

2-s2.0-85028564917

Contributors: Lopera, A.A.; Chavarriaga, E.A.; Zuluaga, B.; Marin, S.; Giraldo, G.O.; Estupiñan, H.A.; Zapata, V.; Garcia, C.P.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Synthesis by combustion in solution of Zn<sub>2</sub>TiO<sub>4</sub>+Ag for photocatalytic and photodynamic applications in the visible

Journal of Physics: Conference Series
2017-12 | Journal article
Part of ISSN: 1742-6588
Part of ISSN: 1742-6596
Contributors: A A Lopera; A M Velásquez; E A Chavarriaga; S Ocampo; M A Zaghete; M A Graminha; C P Garcia
Source: Self-asserted source
Alex A. Lopera
grade
Preferred source (of 2)‎

Properties of ceramic pigment Zn<sub>0.5</sub>Cu<sub>0.5</sub>Cr<sub>2</sub>O<sub>4</sub> synthesized by solution combustion method

TMS Annual Meeting
2016 | Conference paper
EID:

2-s2.0-85002812487

Contributors: Miranda, E.A.C.; Carvajal, J.F.M.; Sepulveda, A.A.L.; Gutierrez, J.C.R.; Baena, O.J.R.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Properties of ceramic pigment Zn<sub>0.5</sub>Cu<sub>0.5</sub>Cr<sub>2</sub>O<sub>4</sub> synthesized by solution combustion method

Characterization of Minerals, Metals, and Materials 2016
2016 | Book chapter
EID:

2-s2.0-85015180002

Contributors: Miranda, E.A.C.; Carvajal, J.F.M.; Sepúlveda, A.A.L.; Gutierrez, J.C.R.; Baena, O.J.R.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier

Synthesis and spectroscopic characterization of nanoparticles of TiO<sub>2</sub>doped with Pt produced via the self-combustion route

Journal of Physics D: Applied Physics
2016-05-25 | Journal article
Part of ISSN: 0022-3727
Part of ISSN: 1361-6463
Contributors: A A Lopera; E A Chavarriaga; H A Estupiñan; I C Valencia; C Paucar; C P Garcia
Source: Self-asserted source
Alex A. Lopera
grade
Preferred source (of 2)‎

Influence of Sm<sup>3 +</sup> doping on the dielectric properties of CaCu<inf>3</inf>Ti<inf>4</inf>O<inf>12</inf> ceramics synthesized via autocombustion

Inorganic Chemistry Communications
2014 | Journal article
EID:

2-s2.0-84890073112

Contributors: Lopera, A.; Ramirez, M.A.; García, C.; Paucar, C.; Marín, J.
Source: Self-asserted source
Alex A. Lopera via Scopus - Elsevier