Dr. N.Vasimalai

Educational Backround

Teaching / Research Experience

Research Areas of Research Interest

• Metal, metal oxide and fluorescent nanoparticles
• C₃N₄, MXenes, GO, Carbon dots, RGO nanomaterials
• Optochemical sensor
• Electrochemical sensor
• Cancer inhibition studies and drug delivery
• Biomedical applications
• Supercapacitor and battery applications
• Biomass energy consumption and sustainable development

Sponsored Research Project

Research Supervision

Research Publications

Publications

Book Chapters

• N. Vasimalai* and Maria T. Fernandez-Arguelles, Gold and silver fluorescent nanomaterials as emerging probes for toxic and biochemical sensor, Springer publication,  2018, Page No. 327-384; ISBN No: 978-3-319-68053-8.
• N. Vasimalai, Plasmonic and NIR light sensitive nanomaterials for photothermal cancer therapy, Springer publication, 2018, Page No. 385-417.; ISBN No: 978-3-319-68053-8.
• N. Vasimalai, Titania and Carbon Nanomaterials Based Photocatalytic Degradation of Organic Dyes from Waste water, Wiley, 2019, DOI: 10.1002/9781119529941.ch1, ISBN No: 9781119529941
• N. Vasimalai, Correlation between Nanoscience and Nanotechnology, CRC Press, Taylor & Francis, 2023 In-Press.

Patent Granted

• N. Vasimalai, S.A. John, Calorimetry detection of Endosulfan, Indian Patent
  ​(Patent Number :410687), 2016. Granted.
• N. Vasimalai, M. Chandru, M. Maruthupandi, S. Kutti Rani, Method of synthesis of a yellow fluorescent material, (Patent Number: 475604), 2023. Granted

Research Articles (Selected Publications)

• Facile Ultrasonication-Assisted Synthesis of Purpald-Functionalized Silver Nanoparticles for the Rapid Spectrophotometric Detection of Acetamiprid Pesticide in Food and Environmental Samples
  Gokul Eswaran, M.H.B. Mamat, N. Vasimalai*Journal of Molecular Liquids, 386 (2023) 122425.Impact Factor: 6.0
• Ecofriendly synthesis of silver nanoparticles using Radish microgreens extract and their potential photocatalytic degradation of toxic crystal violet and pyronin Y dyes and antibacterial studies MA Ashkar, A Babu, R Joseph, S.K. Rani, N Vasimalai*Inorganic Chemistry Communications, 156 (2023) 111225.Impact Factor: 3.8
• Electrochemical analysis of asymmetric supercapacitors based on BiCoO₃@gC₃N₄ nanocompositesPandiaraja Varatharajan, IB Shameem Banu, Mohamad Hafiz Mamat, N Vasimalai*Dalton Transactions 52 (2023) 13704-13715Impact Factor: 4.0
• Point-of-Care Sensor Kit for On-site Monitoring of Creatinine in Clinical Samples using Polyol Functionalized Gold Nanoparticles by UV-visible Spectrophotometry
  Immaculate Mercy and N. Vasimalai*Microchemical Journal 193 (2023) 109173.Impact Factor: 4.8
• One-minute ultrasound-assisted synthesis of nanostructured silver particles extracted from Desmodium gangeticum for enhanced photocatalytic degradation of toxic dyes and antibacterial studies
  MA Ashkar, Riya Joseph, Arjun Babu, S Kutti Rani, N Vasimalai*Chemical Physics Letters 831 (2023) 140850.Impact Factor: 2.8
• Microstructure-driven self-sorting of chemically indistinguishable side chains in pre-programmed alkyl siloxanes leading to amplification of mechanical properties
  Lalit M.S. Negi, Raghavendra Hebbar, E Bhoje Gowd, N. Vasimalai*, Alok Sarkar, Debarshi Dasgupta
  Macromolecular Chemistry and Physics (2023) In-Press DOI: 10.1002/macp.202300151Impact Factor: 2.99
• Spectrophotometric detection of thiram pesticide in vegetables, fruits, soil and water samples using silane-modified silver nanoparticles S Gokul Eswaran, Mohamad Hafiz Bin Mamat, N. Vasimalai*Journal of Food Composition and Analysis, 120 (2023) 105327Impact Factor: 4.52
• Hydrothermal synthesis of orange fluorescent carbon dots and their application in fabrication of warm WLEDs and fluorescent ink
  Varatharajan, I.B.S Banu, M.H. Mamat, N. Vasimalai*
  Physica B: Condensed Matter, 654 (2023) 414703.Impact Factor: 2.988
• Bio-fabricated silver nanocatalyst for photocatalytic degradation and organic transformation of toxic pollutants M Chandhru, P Gunasekaran, M Maruthupandi, R Meenakshi, M Sundar, Abdul Nasar Kalanthoden, Naushad Ahmad, Mohammad Rizwan Khan, A Santhana Krishna Kumar, S Kutti Rani, N Vasimalai*Next Materials, 25 (2023)100023
• Rod-like graphitic carbon nitride nanosheets with copper ions for effective DNA cleavage and anticancer studies
  Sathya Venkatesan, S Thirunavukkarasu, Santhosh Balaraman, R Kaviyarasan, K Venkatachalam, Veerakumar Pitchaimani, N. Vasimalai*, TR Heera
  Diamond and Related Materials, 137 (2023) 110165.
  Impact Factor: 4.1
• Effective multi toxic dyes degradation using bio-fabricated silver nanoparticles as green catalyst
  Gokul Eswaran and N. Vasimalai*Applied Biochemistry and Biotechnology 2 (2022) 338.Impact Factor: 3.094
• Synthesis of highly fluorescent carbon dots from bread waste and their nanomolar lead ions sensor applicationS.Gokul Eswaran, D Thiruppathi, N. Vasimalai*Environmental Nanotechnology, Monitoring & Management 18 (2022) 100748.
• Ultrasensitive and selective detection of cadmium ions in hair, nail, cigarette and waste water samples using disulfo-stilbenediamine capped silver nanoparticles
  Maruthupandi, M.R. Jefry Stairis , S. Sahila, N. Vasimalai*Journal of Molecular Structure, 1269 (2022) 133798.Impact Factor: 3.841
• Heterojunction of SnO₂ nanosheet/arrayed ZnO nanorods for humidity sensing M.H. Mamat, A.S. Ismail, N. Parimona, N. Vasimalai*Materials Chemistry and Physics, 288 (2022) 126436.Impact Factor: 4.778
• Effects of varying the amount of reduced graphene oxide loading on thehumidity sensing performance of zinc oxide/reduced graphene oxidenanocomposites on cellulose filter paper
  A.S.R.A. Subki, M.H. Mamat, M.Z. Musa, M.H. Abdullah, I.B. Shameem Banu, N. Vasimalai*Journal of Alloys and Compounds, 10 (2022) 166728.Impact Factor: 6.371
• White light emitting diode and anti-counterfeiting applications of microwave assisted synthesized green fluorescent carbon dots derived from waste curry leaves
  Maruthupandi, P. Varatharajan, I.B. Shameem Banu, M.H. Mamat, N. Vasimalai*Results in Optics, 8 (2022) 100249.
• The rapid synthesis of intrinsic green-fluorescent poly (pyrogallol)-derivedcarbon dots for amoxicillin drug sensing in clinical samples
  M.A. Ashkar, M Chandhru, M Sundar, SK Rani, N VasimalaiNew Journal of Chemistry 46 (39), 18805-18814Impact Factor: 3.30
• On-Off-On fluorescence sequential sensor for silver ions, thiamine and anti-counterfeiting application using mannitol derived carbon dots
  Maruthupandi, N. Vasimalai*Nano Structures and Nano Objects, 30 (2022) 100868.
• Green synthesis of Silver Nanoparticles from plant latex of and their Antibacterial and photocatalytic Studies
  Chandru, Logesh, S. Kutti Rani, Neesar Ahamed and N. Vasimalai*Environmental Technology, 2021, DOI: 10.1080/09593330.2021.1914181Impact Factor: 3.247
• Preparation of portable calorimetry kit and one-step spectrophotometric detection nanomolar level L-Histidine in serum and urine samples using sebacic acid capped silver nanoparticles
  Gokul Eswaran, M.A. Ashkar, M.H. Mamat, S. Sahila, V. Mahalingam, H.V.S.R.M. Koppisetti, N. Vasimalai*Journal of Science: Advanced Materials and Devices, 6, (2021), 100-107Impact Factor: 7.328
• In-situ synthesis of 10 nm sized biopolymer capped silver nanoparticles: Selective and sensitive detection of cysteamine and tetracycline drugs in biological and drug sample using smartphone aided kit
  Immaculate Mercy, M. Maruthupandi and N. Vasimalai*Journal of Cluster Science, 33 (2022) 1055.Impact Factor: 3.447
• Nanomolar level detection of L-cysteine and Cu(II) ions based on aggregation and de-aggregation of trehalose capped silver nanoparticles
  Maruthupandi and N. Vasimalai* Microchemical Journal, 161, (2021) 105782 Impact Factor: 5.304
• Reductive photocatalytic degradation of toxic aniline blue dye using green synthesized banyan aerial root extract derived silver nanoparticles  
  Gokul Eswaran, H. Narayan, N. Vasimalai* Biocatalysis and Agricultural Biotechnology, 36 (2021) 102140. Impact Factor: 4.0
• Annealing Temperature Dependency of Structural, Optical, and Electrical Characteristics of Mn-doped NiO Nanosheet Array Films for Humidity Sensing Applications
  Parimon, M. H. Mamat, I. B. Shameem Banu, N. Vasimalai*, M. K. Ahmad, A. B. Suriani, A. Mohamed, and M. Rusop
  Nanomaterials and Nanotechnology (2021); DOI: 10.1177/1847980420982788 Impact Factor: 3.280
• One Minute Synthesis of Green Fluorescent Copper Nanocluster: The Preparation of Smartphone Aided Paper-Based Kit for On-site Monitoring of Nanomolar Level Mercury and Sulfide Ions in Environmental Samples
  Maruthupandi, D. Thirupathi, N. Vasimalai* Journal of Hazardous Materials, 392, (2020) 122294. Impact Factor: 14.224
• Reductive degradation of toxic six dyes in industrial wastewater using diaminobenzoic acid capped silver nanoparticles Chandhru, S. Kutti Rani and N. Vasimalai* Journal of Environmental Chemical Engineering, 8 (2020) 104225. Impact Factor: 7.968
• Fabrication and Structural Properties of Flower-like TiO₂ Nanorod Array Films Grown on Glass Substrate without FTO Layer
  M.Z. Musa, M.H. Mamat, N. Vasimalai, I.B. Shameem Banu, M.F. Malek, M.K. Ahmad, A.B. Suriani, A. Mohamed, M. Rusop Materials Letters 273 (2020) 127902. Impact Factor: 3.574
• Fabrication, structural, optical, electrical, and humidity sensing characteristics of hierarchical NiO nanosheet/nanoball-flower-like structure films
  Parimon, M. H. Mamat, I. B. Shameem Banu, N. Vasimalai*, M. K. Ahmad, A. B. Suriani, A. Mohamed, M. Rusop
  Journal of Materials Science: Materials in Electronics, 31 (2020) 11673. Impact Factor: 2.779
• Highly Selective Detection of Iodide in Biological, Food, and Environmental Samples Using Polymer-Capped Silver Nanoparticles: Preparation of a Paper-Based Testing Kit for On-Site Monitoring
  Maruthupandi, M. Chandhru, S.K. Rani, N. Vasimalai* ACS Omega 4(7) (2019) 11372. Impact Factor: 4.132
• One-pot green route synthesis of silver nanoparticles from jack fruit seedsand their antibacterial activities with escherichia coli and salmonella bacteria
  Chandhru, R. Logesh, S. Kutti Rani, Neesar Ahmed, N. Vasimalai* Biocatalysis and Agricultural Biotechnology, 20 (2019) 101241. Impact Factor: 4.0
• Microstructure Induced Rigidity of Polysiloxane Yielding Hierarchical Self-Assembly of Alkyl Side Chains
  Sarkar, Lalit Mohan Singh Negi, K.M. Lewis, N. Vasimalai, E. B.Gowd, Debarshi Dasgupta Macromolecular Chemistry and Physics, 220 (2019) 1970048. Impact Factor: 2.527 (Published in Cover Article Page)
• Biocompatibility and bioimaging potential of fruit-based carbon dots
  Nagamalai Vasimalai, Cindy Dias, Marisa P. Sárria, Ivone Pinheiro, Vânia Vilas-Boas, João Peixoto, Begoña Espiña Nanomaterials 9 (2), (2019) 199 Impact Factor: 5.719
• Detection of sulfide using mercapto tetrazine protected fluorescent gold nanodots: The preparation of paper based testing kit for on-site monitoring
  Vasimalai*, Maria T. Fernandez-Arguelles and B. Espiña ACS Applied Materials & Interfaces, 10 (2), (2018) 1634–1645. Impact Factor: 10.383
• Green synthesis of fluorescent carbon dots from spices for in vitro imaging and tumour cell growth inhibition
  Vasimalai, V. Vilas-Boasa, J. Gallo, M. F. Cerqueira, M. Menéndez, J. M. Costa, L. Diéguez, B. Espiña, M. T. Fernández-Argüelles Beilstein Journal of Nanotechnology, 9 (2018) 530–544. Impact Factor: 3.272
• Novel One-Pot and Facile Room Temperature Synthesis of Gold Nanodots and Application as Highly Sensitive and Selective Probes for Cyanide Detection
  Vasimalai and Maria T. Fernandez-Arguelles Nanotechnology, 27 (2016) 475505. Impact Factor: 3.953
• Green synthesis of multimodal ‘OFF-ON’ switchable MRI/optical probes Vasimalai, J. Gallo, M.T. Fernandez-Arguelles, M. Bañobre-López Dalton Transactions, 45 (2016) 17672. Impact Factor: 4.569
• “Off-on” and “on-off” chemosensors for ultratrace mercury(II) and copper(II) using functionalized thiadiazole and cadmium sulfide nanoparticles fluorophores Vasimalai and S.A. John Sensors and Actuators B-Chemical, 190 (2014) 800. Impact Factor: 9.221
• Economically viable sensitive and selective luminescent sensor for thedetermination of Au(III) in environmental samples
  Vasimalai, K. Rajalakshmi and S.A. John RSC Advances, 4 (2014) 38812. Impact Factor: 4.036
• A “Turn-On” fluoroscent sensor for highly selective and ultrasensitive copper(II) ions in aqueous media using folic acid capped gold nanoparticles as fluorophore Vasimalai and S.A. John Nanotechnology, 24 (2013) 505503. Impact Factor: 3.953
• Aggregation and de-aggregation of gold nanoparticles induced by polyionic drugs: Spectrofluorimetric determination of picogram amounts of protamine and heparin drugs in the presence of 1000-fold concentration of major interferences
  Vasimalai and S.A. John Journal of Materials Chemistry B, 1 (2013) 5620. Impact Factor: 7.571
• Protein protected gold nanoparticles as fluorophore for the highly selective and ultrasensitive determination of bisphenol A in plastic samples Vasimalai and S.A. John Analytical Methods, 5 (2013) 5515. Impact Factor: 3.532
• Biopolymer capped silver nanoparticles as fluorophore for ultrasensitive and selective determination of malathion
  Vasimalai and S.A. John Talanta, 115 (2013) 24. Impact Factor: 6.556
• Micromolar Hg(II) induced the morphology of gold nanoparticles: A novel luminescent sensor for femtomolar Hg(II) using triazole capped gold nanoparticles as a fluorophore
  Vasimalai and S.A. John Journal of Materials Chemistry A, 1 (2013) 4475. Impact Factor: 11.511
• Picomolar melamine enhanced the fluorescence of gold nanoparticles: Spectrofluorimetric determination of melamine in milk and infant formulas using functionalized triazole capped gold nanoparticles
  Vasimalai and S.A. John Biosensors and Bioelectronics, 42 (2013) 267. Impact Factor: 12.545
• Ultrasensitive fluorescence-quenched chemosensor for Hg(II) in aqueous solution based on mercaptothiadiazole capped silver nanoparticles
  Vasimalai, J. Geeba and S.A. John Journal of Hazardous Materials, 213– 214 (2012) 193. Impact Factor: 14.224
• Mercaptothiadiazole capped gold nanoparticles as fluorophore for the determination of nanomolar mercury(II) in aqueous solution in the presence of 50,000-fold major interferents
  Vasimalai and S.A. John Analyst, 137 (2012) 3349. Impact Factor: 5.22
• Ultrasensitive and selective spectrofluorimetric determination of Hg(II) using a dimercaptothiadiazole fluorophore
  Vasimalai and S.A. John Journal of Luminescence, 131 (2011) 2636. Impact Factor: 4.171
• Spectrofluorimetric determination of picogram level Pb(II) using a dimercaptothiadiazole fluorophore
  Vasimalai and S.A. John Spectrochimica Acta Part A, 82 (2011) 153. Impact Factor: 4.831

List of National / International Conferences

Scientific Journal Reviewer

• American Chemical Society
• Royal Society of Chemistry
• Elsevier
• Springer
• Wiley
• Taylor & Francis
• Bentham Science
• Oxford Journals

Awards / Recognition

• Highest Impact Factor Publication Award from B.S. Abdur Rahman Crescent University, Chennai-48, India, 2022.
• Best Resource Person Award, from B.S. Abdur Rahman Crescent University, Chennai-48, India, 2021.
• Published cover page article in Macromolecular Chemistry and Physics, 220(23), (2019), 1970048
• Marie-Curie Postdoctoral Fellowship (2015 – 2018), won the global competitive Marie-Curie postdoctoral fellowship, from the European Union Marie Curie Action.
• Postdoctoral Fellowship (2013 – 2014), awarded by the Ministry of Science and Technology, Taiwan.
• CSIR-Senior Research Fellowship, (April 2013) awarded by the Council of Scientific and Industrial Research, India.
• UGC-Meritorious PhD Student Fellowship (March 2011), awarded by the University Grants Commission, India.
• Research work of melamine sensor in milk and infant formulas was highlighted in NATURE INDIA on 19^th February 2013.
• Best oral presentation and best poster presentation award at several National Conferences.
• BEST STUDENT AWARD (M.Sc Chemistry; Batch 2006 to 2008) awarded by Vivekananda College, Thiruvedakam, Madurai.
• BEST STUDENT AWARD (B.Sc Chemistry; Batch 2001 to 2004) awarded by Vivekananda College, Thiruvedakam, Madurai.

Conference Organized

• Coordinator, 2nd Two Day Workshop On Electrochemical Corrosion Techniques: Theory and Hands on Training, on March 17 & 18, 2023, Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48.
• Coordinator, National Science Day (Guest Lecture Arranged from DRDO-Avadi Scientist), on 28th February 2022, Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48.
• Coordinator, One month online Summer Internship on Recent Advances in Chemical Sciences, from 1st July to 31st July 2021, Conducted by the Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48.
• Coordinator, National Science Day (Guest Lecture Arranged from CSIR-CLRI Scientist), on 26th February 2021, Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48
• Coordinator, 14 days FDP on Materials Science and Nanotechnology, from 3rd August to 17th August 2020. Conducted by the Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48.
• Coordinator, International Webinar on Frontiers in Chemistry 2020 conducted by the Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48, on 7th January 2020.
• Coordinator, PhD Research Scholar’s monthly seminar, Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48, From July 2019 to till date, every month I am conducting Ph.D research Scholar’s seminar.
• Coordinator, Quiz Fest (Online-CHEM QUIZ) was conducted for Faculties, Research Scholars and PG students through online mode on  5th June 2020
• Coordinator, National Science Day (Guest Lecture Arranged from IIT-Madras Faculty), on 28th February 2020, Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48.
• Coordinator, National Science Day (Guest Lecture Arranged from IISC-Bangalore Faculty), on 28th February 2019, Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48

Invited Talk and Guest Lecture Delivered

• TNSCST sponsored International Conference on Recent Trends in Solar Cells at Cardamom planters Association College, Theni on 12th and 13th January 2023, (Inauguration Resource Person).
•  National Hands-On Workshop on Phytochemical Analysis and HPLC, School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48 on 30th May 2023 (Inauguration Resource Person).
• Second international conference on frontiers in chemistry and material science 2022 on 19th & 20th December 2022 at Mannar Thirumalai Naicker College (Autonomous), Madurai (Resource Person).
• Two days National Conference on Phytomedicine and Nanomaterials in Plant sciences on December 15th and 16th 2022 at Holy Cross College (Autonomous), Trichy (Resource Person). 
•  Hands on training programme at Jamal Mohamed College (Autonomous) on the topic “Green synthesis of carbon nanoparticles and their biosensors applications” 15th December 2022 (Resource Person).
• “Research Ethics and Problems in Scientific Publication” at Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai on 21 November 2022 (Resource Person).  
• Applications of Nanotechnology in Healthcare Sectors, online Refresher Course In Chemistry, conducted by the Department of Inorganic Chemistry, University of Madras, Guindy Campus, Chennai. 15th September 2022, (Resource Person).  
• Recent Research in Nanotechnology, 5 days FDP on Recent Challenges in Science and Technology, conducted by the Department of Chemistry, Jeppiaar Engineering College, Chennai-119, 6th September 2022, (Resource Person).  
• Research tools and methodology, One month online summer internship on Recent Advances in Chemical Sciences, conducted by the Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48, 13rd July 2021, (Resource Person).  
• Gold Nanodots Synthesis and its Applications, One month online summer internship on Recent Advances in Chemical Sciences, conducted by the Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48, 20th July 2021, (Resource Person).  
• Carrier guidance and Higher studies opportunities in aboard, One month online summer internship on Recent Advances in Chemical Sciences, conducted by the Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai-48, 25th July 2021, (Resource Person).  
• Highly fluorescent carbon quantum dots for environmental and energy applications, Research Webinar, Universiti Teknologi MARA (UiTM), MALAYSIA, 23rd April 2021, (Resource Person).  
• Nanomaterials based smartphone aided kit for on-site monitoring of environmental toxins, Malaysia-Japan International Conference on Nanoscience and Nanotechnology, Universiti Teknologi MARA (UiTM), MALAYSIA, 7TH April 2021, (Resource Person).  
• Nanomaterials Based Emergency Kits for Health-Care Applications, Karpakam University, Coimbatore, TN on 27rd February 2021 (Resource Person).  
• One week FDP on Recent Trends on Smart Nanomaterials and its Diversified Applications, VIT University, Vellore, TN, on 1st February 2021 (Resource Person)
• Two days online workshop on Synthesis of Nanoparticles Rayat Bahra University, Mohali, Punjab, on 18 &19th December 2020 (Resource Person).
• Recent Advances in Nanomaterials Based Pesticides Sensor, Union Christian College, Umiam Khwan, on 4th December 2020 (Resource Person).  
• A Facile Synthesis of CdS Nanoparticles and its Sensor and Removal of Toxins Applications, Gnyanamani College of Engineering, Namakkal, TN on 23rd November 2020 (Resource Person).  
• Polymer Nanocomposites for Sensor and Energy Applications, Chevalier T Thomas Elizabeth College for Women, Perambur, TN on 10th November 2020 (Resource Person).
• Magnetic  Nanoparticles for MRI cancer Diagnosis and Therapeutic Applications, Parvathys Arts and Science College, Dindigul, TN on 7th November 2020 (Resource Person).
• New Insights on the green synthesis of nanoparticles using agro and other wastes, GTN Arts College, Dindigul, Tamilnadu, on 31st November 2020 (Resource Person)
• Characterization Techniques for Nanoparticles & Data Analysis, Two days online workshop, Department of Chemistry, Rayat Bahra University, Mohali, Punjab, on 13 &14nd October 2020 (Resource Person)
• Synthesis and Fabrication of Gold Nanoparticles and Their Recent Research Trends, PSNA College of Engineering & Technology, Dindigul, Tamilnadu on 9th November 2020 (Resource Person)
• Nanoclusters for chemosensor and bio-imaging applications, Faculty development Programme, Department of Chemistry, JEPPIAAR Engineering College, Chennai-119, on 22nd August 2020 (Resource Person)
• Fluorescent spectroscopy and current research in fluorescent nanomaterials, Workshop, Department of Chemistry, V.V.S. Government Arts College Pulankurichi, Sivagangai, on 24th and 25th July 2020 (Resource Person)
• Sustainable synthesis of metal and metal oxide nanoparticles and their environmental remediation applications, Webinar, Department of Chemistry, Saraswathi Narayanan College, Madurai on 21st July 2020 (Resource Person)
• Fluorescent inorganic nanoparticles for optical sensing and energy applications, Webinar, Department of Physics, Latha Mathavan Arts and Science College, Madurai on 13th Jult 2020 (Resource Person)
• Principles and fabrications of electrodes for electrochemical sensor applications, Webinar, Department of Chemistry, Latha Mathavan Arts and Science College, Madurai on 30th June 2020 (Resource Person)
• Recent Advancements in Highly fluorescent Carbon Quantum dots for multi-potential applications, Webinar, Department of Chemistry, Christian College of Engineering and Technology, Dindigul, on 26th June 2020  (Resource Person)
• UV-visible spectroscopy applications in Nanochemistry, Two days International Webinar on Nanoscale materials with different dimensions for advanced applications, Department of Chemistry, Kailash Mannar Thirumalai Naicker College, Madurai-04, 4th June, 2020  (Resource Person)
• Batteries and its applications, Sri GVG Vishalakshi College for Women Udumalpet, Tamilnadu, 27th February, 2020  (Guest Lecture and Hands on Training to the Students)
• Electrochemical Techniques, Sri GVG Vishalakshi College for Women Udumalpet, Tamilnadu, 28th February, 2020  (Guest Lecture and Hands on Training to the Faculty Members)
• Nanotechnology for Environmental monitoring, Sri GVG Vishalakshi College for Women Udumalpet, Tamilnadu, 10th January, 2019   (Guest Lecture)
• Synthesis, Characterization of Metal Nanoparticles and their Environmental and Biomedical applications, National Conference on Recent Trends in Chemistry, Kailash Women’s College, Nangavalli, Salem, Tamilnadu, 20th December, 2018  (Resource Person)
• Synthesis and characterization of fluorescent gold nanodots for the application in paper based chemosensor of cyanide ions N. Vasimalai, Maria T. Fernández-Argüelles and Begoña Espiña International Conference on Functional Materials Department of Chemistry, Thiagarajar College, Madurai, India during 7-8 September 2017 ​(Invited Talk)
• Nanomaterials for Environmental Monitoring and Biomedical Applications  N. Vasimalai  VIT University, Vellore, India – 23rd June 2017 (Guest Lecture)
• Nanomaterials for Biomedical Applications and Environmental Monitoring N. Vasimalai  Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, India – 30th June 2017 (Guest Lecture)
• Synthesis of Metallic Nanoparticles and Their Biosensor and Biomedical Applications N. Vasimalai Vivekananda College, Madurai, India – 7th July 2017 (Guest Lecture)