JOHN AMALRAJ		  
 


Perfil

Nuestras líneas de investigación están asociadas al empleo de polímeros, nanocompositoes, hidrogeles y carbón nanotubos para aplicaciones en sensores, energía y biomédica. Actualmente estamos enfocados en las siguientes áreas:

  • Síntesis y caracterización de nuevos polímeros funcionalizados para ser utilizados como catalizadores, sensores de moléculas de interés, capacitores y acumuladores de energía, interferencia electromagnética, etc.

  • Diseño y caracterización de nuevos materiales inteligentes usando los biopolímeros como base, para ser empleados en aplicaciones biomédicas, ambiental y la electrónica.
  • Análisis de compuestos orgánicos por método electroquímico.

    • 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. Maomao Xie, Meng Gao, Yang Yun, Martin Malmsten, Vincent M. Rotello, Radek Zboril, Omid Akhavan, Aliaksandr Kraskouski, John Amalraj, Xiaoming Cai, Jianmei Lu, Huizhen Zheng, and Ruibin Li Antibacterial Nanomaterials: Mechanisms, Impacts on Antimicrobial Resistance and Design Principles Angew. Chem. Int. Ed. 2023, e202217345 (1 of 25) https://doi.org/10.1002/anie.202217345

  • 2. Samira Hozhabr Araghi, Amalraj John*, Motahare Sadeghi Googheri, Radha D. Pyarasani, Mohammad Sadegh Sadeghi Googheri. An in-silico study to gain a comprehensive understanding of the effects of glucosylation on quercetin properties, Computational and Theoretical Chemistry, 1220, 2023, 113981, https://doi.org/10.1016/j.comptc.2022.113981

  • 3. Romina Murga, Camila Rodriguez, John Amalraj, Dennis Vega, Leopoldo Gutierrez, Lina Uribe. Study of polystyrene nanoparticles as collectors in the recovery process of copper by flotation., Polymers 2022, 14, 5259. https://doi.org/10.3390/polym14235259

  • 4. John Amalraj, Claudia E Vergara, Matías Monroy-Cárdenas, Ramiro Araya-Maturana, Maximiliano Martínez-Cifuentes Study of the Electrochemical Behavior of N-Substituted-4-Piperidones Curcumin Analogs: A Combined Experimental and Theoretical Approach, Int. J. Mol. Sci. 2022, 23(23), 15043; https://doi.org/10.3390/ijms232315043

  • 5. V. Saravanan, P. Lakshmanan, N. Palanisami, John Amalraj, Radha D. Pyarasani, C. Ramalingan.2D/3D- C3N4/CeO2 S-scheme heterojunctions with enhanced photocatalytic performance. Inorg. Chem. Commun.146 (2022) 110189. https://doi.org/10.1016/j.inoche.2022.110189

  • 6. Yaneris Mirabal-Gallardo, Maria del Pilar Caramantin Soriano, Verónica Rachel Olate, Luis Guzmán Jofré, Hou Yi Huang, Radha D. Pyarasani, Amalraj John, Felipe Laurie. Characterization of five Chilean agribusiness by-products and their potential use as food supplements. Emirates Journal of Food and Agriculture. 2021. 33(7): 607-612. https://doi: 10.9755/ejfa.2021.v33.i7.2730

  • 7. Samira Hozhabr Araghi, Amalraj John*, Mohammad Sadegh Sadeghi Googheri, A molecular dynamics simulations study of the ionic liquid effect on the ß-glucosidase active site interactions with a flavonoid glycoside, J. Mol. Liquids. 2021 https://doi.org/10.1016/j.molliq.2021.117115

  • 8. Samira Hozhabr Araghi, Amalraj John*, Mohammad Sadegh Sadeghi Googheri, How a crosslinker agent interacts with the ß-glucosidase enzyme surface in an aqueous solution: Insight from quantum mechanics calculations and molecular dynamics simulations, Colloids and Surfaces B: 203, 2021, 111761. https://doi.org/10.1016/j.colsurfb.2021.111761

  • 9. T. Jayaramudu, Radha D. Pyarasani, Ali A-Fakhrabadi, Diana A-Milan, John Amalraj* Synthesis of gum acacia capped polyaniline-based nanocomposite hydrogel for the removal of methylene blue dye, Journal of Polymers and the Environment 29, 2021, 2447-2462. https://doi.org/10.1007/s10924-021-02066-w

  • 10. T. Jayaramudu, K. Varaprasad, Radha D. Pyarasani, K. Koteshwara Reddy, A. Akbari-Fakhrabadi, Verónica Carrasco-Sánchez, John Amalraj* Hydroxypropyl methylcellulose-copper nanoparticle and its nanocomposite hydrogel films for antibacterial application. Carbohydrate Polymers, 254 (2021) 117302. https://doi.org/10.1016/j.carbpol.2020.117302

  • 11. Anteneh F. Baye, Richard Appiah-Ntiamoah, John Amalraj, K. Koteshwara Reddy, Hern Kim Graphene oxide interlayered Ga-doped FeSe2 nanorod: A robust nanocomposite with ideal electronic structure for electrochemical dopamine detection. Electrochimica acta 363, 2020, 137245. https://doi.org/10.1016/j.electacta.2020.137245

  • 12. K. Koteshwara Reddy, Harshad Bandal, Moru Satyanarayana, Kotagiri Yugender Goud,Kauveri Vengatajalabathy Gobi, Tippabattini Jayaramudu, John Amalraj,and Hern Kim. Recent Trends in Electrochemical Sensors for VitalBiomedical Markers Using Hybrid Nanostructured Materials. Advanced Science. 2020 https://doi.org/10.1002/advs.201902980

  • 13. C. Rathore, N. Upadhyay, R. Kaundal, R. P. Dwivedi, S. Rahatekar, A. John, K. Dua, Murtaza M. Tambuwala, S. Jain, D. Chaudari [&] P. Negi. Enhanced oral bioavailability and hepatoprotective activity of thymoquinone in the form of phospholipidic nano-constructs Expert opinion on drug delivery 17, 2020, 237-253. https://doi.org/10.1080/17425247.2020.1716728

  • 14. T. Jayaramudu, K. Varaprasad, K. Koteshwara reddy, Radha D. Pyarasani, Ali Akbari-Fakhrabadid, A. John, Chitosan-Pluronic based Cu Nanocomposite Hydrogels for Prototype Antimicrobial Applications International Journal of Biological Macromolecules 2020,143, 825-832. https://doi.org/10.1016/j.ijbiomac.2019.09.143

  • 15. Oscar Valdés, Adolfo Marican, Fabian Avila-Salas, Ricardo I. Castrod,, Yaneris Mirabal, John Amalraj ,Diana Abril, Esteban F. Durán-Lara, Leonardo S. Santos. Simple approach for cleaning up 2,4,6-trichloroanisole from alcoholic-beverage-reconstituted solutions using polymeric materials. Australian Journal of Grape and Wine Research. 2019 25, 327–337. https://doi.org/10.1111/ajgw.12396

  • 16. T. Jayaramudu, K. Varaprasad, Sadiku ER, John Amalraj, Temperature-sensitive semi-IPN composite hydrogels for antibacterial applications Colloids and Surface A: 2019, 572, 307-316. https://doi.org/10.1016/j.colsurfa.2019.04.012

  • 17. T. Jayaramudu, K. Varaprasad, Radha D. Pyarasani, K. Koteshwara Reddy, K. Dileep Kumar, A. Akbari-Fakhrabadi, R.V. Mangalaraja, John Amalraj Chitosan capped copper oxide/copper nanoparticles encapsulated microbial resistant nanocomposite films International Journal of Biological Macromolecules 128 (2019) 499–508. https://doi.org/10.1016/j.ijbiomac.2019.01.145

  • 18. Radha D. Pyarasani, Jayaramudu T, John A. Polyaniline-based conducting hydrogels. J. Mater. Sci., 54 (2019)974-996. https://doi.org/10.1007/s10853-018-2977-x

  • 19. Oscar V, Adolfo M, Fabian A-S, Ricardo IS, John A, V. Felipe L, Leonardo SS, Polyaniline based materials as response to eliminate haloanisoles in spirits beverages, Ind. Engg. Chem. Res., 57 (2018) 8308-8318. https://doi.org/10.1021/acs.iecr.8b01139

  • 20. Jayaramudu T, Varaprasad K, Raghavendra GM, Sadiku ER, Mohana Raju K, John A, Green synthesis of tea Ag nanocomposite hydrogels via mint leaf extraction for effective antibacterial activity. J. Biomater. Sci. Polym. Ed. 28, (2017) 1588-1602. http://dx.doi.org/10.1080/09205063.2017.1338501
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