JOHN AMALRAJ		  
 


Perfil

Nuestras líneas de investigación están enfocadas en el uso de polímeros sintético, biopolimeros, nanocompositos, hidrogeles y nanotubos de carbono para aplicaciones en sensores, energía y el campo biomédico. Actualmente, trabajamos en las siguientes áreas:

  • Síntesis y caracterización de nuevos polímeros funcionalizados, nanomateriales de oxido metálicos y nanocompuestos para aplicaciones como catalizadores, sensores de moléculas de interés, capacitores y producción de energía verde, y protección contra interferencias electromagnéticas, entre otras.

  • Diseño y caracterización de nuevos materiales inteligentes basados en biopolímeros, dirigidos a aplicaciones biomédicas, ambientales e industriales.
  • Análisis de compuestos orgánicos mediante métodos electroquímicos.

    • Formación Profesional

  • Bachiller en química Madurai Kamaraj Universisty, India. (1996-1999)

  • Máster en Química Madurai Kamaraj Universisty, India. (1999-2001)

  • Doctorado en Química Indian Institute of Chemical Technology (IICT), India (2003-2009)

  • Postdoctorado Inha University, Corea del sur (2009-2011)

  • Postdoctorado Fundación Fraunhofer Chile Research, Chile (2011-2015)

    • Proyectos Vigentes

    Fondecyt Regular

  • Synthesis of amidoxime functionalized biopolymers as a capping agent for the preparation of metal oxide nanoparticles and the development of smart metal oxide nanocomposite hydrogels for wound healing application (#1230561) (2023-2027) (Investigador Principal)

  • Metal-Free Catalysis for the Asymmetric Synthesis of Bioactive Compounds, Co-investigator (#1220618) (2022-2026) (Co-Investigador)

    • Fondecyt Regular

  • Synthesis of amidoxime functionalized biopolymers as a capping agent for the preparation of metal oxide nanoparticles and the development of smart metal oxide nanocomposite hydrogels for wound healing application (#1230561) (2023-2027) (Investigador Principal)

  • Metal-Free Catalysis for the Asymmetric Synthesis of Bioactive Compounds, Co-investigator (#1220618) (2022-2026) (Co-Investigador)

    • FONDECYT Iniciación

  • Synthesis and Characterization of Silica-Polyamidoamine (SiO2-PAMAM) Hybrid Material: A Novel Chiral Stationary Phase for HPLC. (#11130087) 2013-2016. (Investigador Principal)

    • Fondecyt Postdoctorado

  • Síntesis de nanotubos de carbón decorados con nanopartículas de óxidos bimetálicos aplicados a la producción electrolítica de hidrógeno acoplada a electro-valorización de biomasa (#3220040, 2022-2025)

  • Ultrasound-assisted extraction of flavonoids from tea and grape using co-immobilized enzymes in ionic liquid media (#3190136, 2019-2022)

  • Bimetallic Oxide/Selenide-Functionalized Graphene Oxide-Chitosan Nanocomposite Hydrogels for the Electrochemical Detection of Neurotransmitters. (#3180312, 2018-2021)

  • Development of homogeneous-sized biopolymer-metal nanocomposite hydrogels from chitosan and hydroxypropyl methylcellulose: prototype for antimicrobial applications (#3170272, 2017-2020)

    • CONICYT - PCI

  • Development of a solar photoelectrochemical device for simultaneous generation of electric power and valuable molecules from glucose REDES 190062 (2019-2021) (Co-Investigador)

    • Proyecto Ci 2030

  • Síntesis y funcionalización de carbón activado a partir de biomasa para la detección de disruptores endocrinos por método electroquímica (2023-2024) (Investigador Principal)

    • Publicaciones Relevantes Últimos 5 Años

  • 1. R. Rameshbabu; Johnny Koh Siaw Paw; Victor Vinoth; Raju Suresh Kumar; Niraj Kumar; Sapana Jadoun; Dr. Nalandhiran Pugazhenthiran; John Amalraj Effectively enhanced photocatalytic hydrogen production performance of novel noble metal-free Cu(OH)2/MoSe2-g-C3N4 ternary nanocomposite under visible light irradiation. Fuel 378 (2024) 132944 https://doi.org/10.1016/j.fuel.2024.132944

  • 2. R.R. Lekshmy, M Maurya, M Geetha, Somaya Al-Maadeed, Ramzi Maalej, Mohamed Zied Chaari, Radha D. Pyarasani, John Amalraj, Kishor Kumar Sadasivuni Advanced nutrient monitoring: Cost-effective cerium ion detection with smart device integration Biochemical Engineering Journal 209 (2024) 109409. https://doi.org/10.1016/j.bej.2024.109409

  • 3. Darwin Estrada, Romina Murga, Olga Rubilar, John Amalraj, Leopoldo Gutierrez and Lina Uribe On the Use of Styrene-Based Nanoparticles to Mitigate the Effect of Montmorillonite in Copper Sulfide Recovery by Flotation Polymers 2024, 16, 1682 https://doi.org/10.3390/polym16121682

  • 4. R. Rameshbabu, Johnny Koh Siaw Paw, Kulandaivelu Kaviyarasan, Sapana Jadoun,, John Amalraj, Tiong Sieh Kiong, H´ector Vald´es Building a novel noble metal-free Cu3P/ZnS/g-C3N4 ternary nanocomposite with multi interfacial charge transfer pathways for highly enhanced photocatalytic water splitting. Fuel 371 (2024) 131907 https://doi.org/10.1016/j.fuel.2024.131907

  • 5. R. Rameshbabu, Siaw Paw Koh, K. Ajaijawahar, Sapana Jadoun, John Amalraj, Chong Tak Yaw, Sieh Kiong Tiong, Talal Yusaf. Enhancement of hydrogen storage performance in cost effective novel g–C3N4–MoS2–Ni(OH)2 ternary nanocomposite fabricated via hydrothermal method. Int,. J. Hydrog. Energy. 61, 2024, 743-753. https://doi.org/10.1016/j.ijhydene.2024.02.305

  • 6. Himadri Reddy P C, Amarnath C A, John A, Saravanan C, Priyanka Ruz. Development of surfactant integrated polyaniline based electrode material towards supercapacitor application. Colloids Surf. A: Physicochem. Eng. 688, 2024, 133545. https://doi.org/10.1016/j.colsurfa.2024.133545

  • 7. B. Sumithra, V. Saravanan, P. Lakshmanan, N. Palanisami, B. Chutia, P. Bharali, A. John, Radha D. Pyarasani, K.S. Venkatesh, G. Thrimurthulu, J. Madhavan and D. Geetha. Interface Engineering of 2D-2D-g-C3N4/SnWO3 Photocatalysts for Enhanced Performance: Dopamine Sensing and Clioquinol Degradation Properties Inorganic Chemistry Communications, 161(2024)112039. https://doi.org/10.1016/j.inoche.2024.112039

  • 8. Leyla Gidi, John Amalraj*, Claudio Tenreiro, Galo Ramírez. Recent progress, trends, and new challenges in the electrochemical production of green hydrogen coupled to selective electrooxidation of 5-hydroxymethylfurfural (HMF), RSC Advances 2023, 13, 28307. https://doi.org/10.1039/d3ra05623f

  • 9. Himadri Reddy P C, John Amalraj, Ranganatha S, Smitha S Patil, Saravanan Chandrasekaran. A review on effect of conducting polymers on carbon-based electrode materials for electrochemical supercapacitors Synthetic Metals 2023, 298, 117447. https://doi.org/10.1016/j.synthmet.2023.117447

  • 10. Moises A Rojas, John Amalraj*, Leonardo Silva Santos Biopolymer-based composite hydrogels embedding small silver nanoparticles for advanced antimicrobial applications. Experimental and theoretical insights. Polymers 2023, 15, 3370. https://doi.org/10.3390/polym15163370

  • 11. Matías Monroy-Cárdenas, Victor Andrades, Cristopher Almarza, Maria Jesus Vera, Jorge Martínez, Rodrigo Pulgar, John Amalraj, Ramiro Araya-Maturana, Felix Urra. A new quinone-based inhibitor of mitochondrial complex I in D-conformation, producing invasion reduction and sensitization to Venetoclax in breast cancer cells. Antioxidants 2023, 12, 1597. https://doi.org/10.3390/antiox12081597
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