Education

Ph.D. Chemical Engineering (IIT Kharagpur)
M.Tech. Chemical Engineering (Bharathiyar University)
B.Tech. Chemical Engineering (University of Madras)

Course Offered

M.Tech: Transport Phenomena and Unit Operations
Mathematical Modeling and Simulation
Surface Engineering and Coating
B.Tech: Basics of Chemical Engineering
Chemical Reaction Engineering

Experience

Professor, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram (1 January 2023 onwards)

Associate Professor, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram (1 January 2016-31 December 2022)

Assistant Professor, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram (9 September 2010 - 31 December 2015)

Post Doctoral Scholar, Institute of Physics, Bhubaneswar (February 2010 – September 2010)

Research Scholar, Indian Institute of Technology, Kharagpur (January 2006 – November 2009)

Lecturer, C.V.Raman College of Engineering, Bhubaneswar (May 2003 – December 2005)

Lecturer, Adhiyamaan College of Engineering, Hosur, Tamilnadu (June 2000 – August 2002)

Post Graduate Fellow, Central Electrochemical Research Institute (February 1999 – March 2000)

Research Work / Area

Plasma Surface Modification, Metal organic Framework, Electrochemical sensor, Nanocomposite, CO₂ adsorption, Membrane for water purification

Funded Project

IIST funded Project

Title: Plasma modification of CNT and polymer nanocomposites thereof for space applications

            Duration: (April 2012 – March 2015)

Principal investigator: Dr.N.Gomathi

Co-Investigators: Dr.Kuruvilla Joseph, Department of Chemistry, IIST

Dr. C. P. Regunadhan Nair, VSSC, Trivandrum

IIST-ISRO collaborative Project

Title: Plasma functionalized CNT - polymer nanocomposites for satellite structural applications

Duration: (April 2016 – July 2018)

Principal investigator: Dr.N.Gomathi

Co-Investigators: Dr.Kuruvilla Joseph, Department of Chemistry, IIST

Dr. C.Gouri, VSSC, Trivandrum

Awards

  International Travel Support granted by Science and Engineering Research Board (SERB) to attend 231^st ECS meeting held during 28.05.2017 – 01.06.2017 at New Orleans, USA

Member of Professional Bodies:

Life member (Indian Institute of Chemical Engineers), Society of Polymer Science, India (SPSI)

Reviewer for International Journal:

Materials science and engineering C,

Open Chemistry,

Vacuum,

New Journal of Chemistry,

JACS Au, ACS Publications,

RSC Advances,

ACS Applied Nano Materials,

Chemistry Select,

Surface and Interface Analysis,

Chemistry – A European Journal,

de-Gruyter

Journal of The Electrochemical Society

Water, Air, & Soil Pollution

Spectrochemica Acta A

Industrial and Engineering Chemistry Research

ChemPlusChem

Journal of Inorganic and Organometallic Polymers and Materials

Journal of the American Chemical Society (JACS)

Scientific Reports

Chithra KR, Varsha MV, Gomathi N, "Removal of Ciprofloxacin from Water by Cu-Ru-BMOF Incorporated Mixed Matrix Membrane Based Filtration" International Workshop and Conference on Membrane Assisted Water Purification Processes (ICMW 2023) organized by International and Inter University Center for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandhi University Kottayam, Kerala, India, 686560 & Lund University, Sweden & National Research Centre, Egypt during 10-12, March 2023. - Best Poster Presentation Award

Varsha M V and Gomathi N, "Bimetallic Copper based MOF as an Efficient Sensing Platform for the Voltammetric Detection of Levofloxacin", National conference on Recent trends in Materials Science (NCMST 2022) organized by the department of Chemistry, IIST during 28-30, December 2022. -Best poster award

Varsha M V and Gomathi N, "Bimetallic Copper based MOF for the Sensitive Electrochemical Detection of Ciprofloxacin" International conference on Frontiers in Materials Engineering (ICFME-2022) organized by the department of Metallurgy Engineering and Materials Science, IIT Indore during 14-16, December 2022. - Best oral presentation award

J.Lavanya and Gomathi N, “Synthesis and characterization of nickel oxide/graphene sheet/graphene ribbon composite”, 2nd International Conference on Emerging Technologies: Micro to Nano 2015 (ETMN 2015), Manipal University, Jaipur, October 2015 –Best poster award.

Gomathi N, Neogi S, “The Effect of Surface Modification of Polycarbonate Using Argon-Oxygen Plasma on Platelet Adhesion” , Research Scholar Day 2009 organized by the Department of Chemical Engineering, Indian Institute of Technology, Kharagpur on December 16, 2009 - Best poster award.

Book

Gomathi N, Varsha M V, "Metal Organic Framework Derived Materials: Design Strategies and Applications", CRC Press, Taylor & Francis - In progress

Publications

1. Chithra K R, Shashank Rao M, Varsha M V and Gomathi N, 2023. BMOF and BMOF incorporated membranes for Energy and Environmental applications, ChemPlusChem, 88, e202200420 (1-25).
2. Varsha M V and Gomathi N, 2023. Ruthenium doped Cu-MOF as an Efficient Sensing Platform for the Voltammetric Detection of Ciprofloxacin, Microchemical Journal, 188, 108481.
3. John, V.L., Gomathi, N., Joseph, K., Mathew, D., Chandran, S.M. and Neogi, S., 2022. Plasma Functionalized CNT/Cyanate Ester Nanocomposites for Aerospace Structural Applications. ChemistrySelect, 7(39), p.e202201260.
4. Vijayan VM, Jothi L, Sankar AR, Gomathi N. Recent advances in the electrochemical sensing of lung cancer biomarkers. Biosensors and Bioelectronics: X. 2022 Aug 30:100235.
5. Lavanya J, Srinivasan R, Varsha MV, Gomathi N. Metal-Organic Frameworks Composites for Electrochemical Detection of Heavy Metal Ions in Aqueous Medium. Journal of The Electrochemical Society. 2022 Apr 29;169(4):047525.
6. Varsha MV, Jothi L, Arunagirinathan RS, Gomathi N. Recent advances in metal organic framework derived carbon materials for electrocatalytic applications. Journal of The Electrochemical Society. 2022 Feb 15.
7. Raju R, Gomathi N, Prabhakaran K, Joseph K, Salih A. Selective catalytic reduction of NO over hierarchical Cu ZSM-5 coated on an alumina foam support. Reaction Chemistry & Engineering. 2022;7(4):929-42.
8. Choudhary YS, Gomathi N. Synthesis and characterization of CdTe QDs capped with a branched 3MB3MP ligand and fluorescent switching detection of H₂O₂. New Journal of Chemistry. 2022;46(11):4983-91. (Featured in Front Cover Page)
9. Varsha MV, Gomathi N. Direct electrochemical synthesis of metal organic frameworks. Journal of the Electrochemical Society. 2020, 18;167(15):155527.
10. Varsha MV, Gomathi N. Nickel Based Metal Organic Framework/Reduced Graphene Oxide Composite as Electrode Material for the Voltammetric Detection of Caffeine. Journal of The Electrochemical Society. 2020, 22;167(13):137505.
11. Varsha MV, Gomathi N. 2D layered metal organic framework nanosheets as an emerging platform for electrochemical sensing. Journal of The Electrochemical Society. 2020, 16;167(13):136502.
12. Jothi L, Jaganathan SK, Gomathi N. An electrodeposited Au nanoparticle/porous graphene nanoribbon composite for electrochemical detection of alpha-fetoprotein. Materials Chemistry and Physics. 2020 Feb 15;242:122514.
13. Choudhary YS, Gomathi N. Branched Ligand Ethyl 2‐Mercaptopropionate as a Stabilizer for CdTe Quantum Dots and its use as a Cu²⁺ Ions Probe in Aqueous Medium. Chemistry Select. 2020, 9;5(1):32-39.
14. Varsha M V and Gomathi N, Operando X-ray Spectroscopic Techniques: A focus on Hydrogen and Oxygen Evolution Reactions, Front. Chem. 2020, doi: 10.3389/fchem.2020.00023
15. Lavanya J, Saravana Kumar J, Gomathi N, An electrodeposited Au nanoparticle/porous graphene nanoribbon composite for electrochemical detection of alpha-fetoprotein, Materials Chemistry and Physics, 2019, 242, 122514.
16. Yogesh S Choudhary, Gomathi N, Branched mercapto acid capped CdTe quantum dots as fluorescence probes for Hg²⁺ detection, Sensing and Bio-Sensing Research, 2019, 23, 100278.
17. Mohan P M, Saravana Kumar J, Praseetha P, Gomathi N, Navaneetha P K, Electrospun polyurethane patch in combination with cedarwood and cobalt nitrate for cardiac applications, Journal of Applied Polymer Science, 2019, 136 (47), 48226.
18. Saravana Kumar J, Mohan P M, Gomathi N, Navaneetha P K, Manikandan A, The potential of biomimetic nanofibrous electrospun scaffold comprising dual component for bone tissue engineering, International Journal of Polymer Analysis and Characterization, 2019, 24 (3), 204-218.
19. Saravana Kumar J, Mohan P M, Ahmad F I, Praseetha P, Gomathi N, Tailor‐made multicomponent electrospun polyurethane nanofibrous composite scaffold comprising olive oil, honey, and propolis for bone tissue engineering, Polymer Composites, 2019, 40 (5), 2039-2050.
20. Mohan P M, Saravana Kumar J, Praseetha P, Gomathi N, Fabrication and characterization of polyurethane patch loaded with palmarosa and cobalt nitrate for cardiac tissue engineering, International Journal of Polymer Analysis and Characterization, 2019, 24 (5), 399-411.
21. Lavanya J, Neogi S, Saravana Kumar J, Gomathi N, Simultaneous determination of ascorbic acid, dopamine and uric acid by a novel electrochemical sensor based on N2/Ar RF plasma assisted graphene nanosheets/graphene nanoribbons, Biosensors and Bioelectronics, 2018, 105, 236-242.
22. Lavanya  J, Nithya J, Saravana Kumar J, Gomathi N, Ultrasensitive and selective non-enzymatic electrochemical glucose sensor based on hybrid material of graphene nanosheets/graphene nanoribbons/nickel nanoparticle, Materials Reseach Bulletin, 2018, 98, 300-307.
23. Lavanya J, Subbiah A, Neogi S, Gomathi N, Direct electron transfer of hemoglobin at nitrogen incorporated reduced graphene oxide obtained by radio frequency ammonia plasma treatment, Sensors and Actuators:B 2018, 255, 536-543.
24. Saravan Kumar J, Mani M P, Manikandan A, Krishnasamy N P, Gomathi N, Blood compatibility and physicochemical assessment of novel nanocomposite comprising polyurethane and dietary carotino oil for cardiac tissue engineering applications, Journal of Applied Polymer Science, 2018, 135, 45691.
25. Saravana Kumar J, Mohan Prasath M, Ahmad F I, Manikandan A, Gomathi N, Production and hemocompatibility assessment of novel electrospun polyurethane nanofibers loaded with dietary virgin coconut oil for vascular graft applications, Journal of Bioactive and Compatible Polymers, 2017, 33(2), 210-223.
26. Subramanian A.P, Saravana Kumar J,  Manikanadan A, Pandiaraj K.N, Gomathi N and Supriyanto E, Recent trends in nano-based drug delivery systems for efficient delivery  of  phytochemicals  in  chemotherapy,  RSC  Advances  2016,  6,  48294-48314.
27. Lavanya J, Gomathi N (2015),  High-sensitivity  ascorbic  acid  sensor  using graphene  sheet/graphene  nanoribbon  hybrid  material  as  an  enhanced electrochemical sensing platform, Talanta, 144, 655-661.
28. Gomathi N, Mishra I, Varma S, Neogi S,  (2015)  Surface  Modification  of poly(dimethylsiloxane)  through  Oxygen  and  Nitrogen  Plasma  Treatment  to Improve  its  Characteristics  towards  Biomedical  Applications,  Surface Topography: Metrology and Properties, 3 (3), 035005.
29. Nair L.G, Mahapatra A.S, Gomathi N, Joseph K, Neogi S, Nair C.P.R. (2015), Radio  frequency  plasma  mediated  dry  functionalization  of  multiwall  carbon nanotube, Applied Surface Science 340, 64-71.
30. Lavanya J, Gomathi N, Neogi S (2014), Electrochemical performance of nitrogen and  oxygen  radio-frequency  plasma  induced  functional  groups  on  tri-layered reduced graphene oxide, Materials Research Express 1 (2), 025604.
31. Shukla S, Gomathi N, George R (2014),  Autocatalytic  silver-plating  of aluminium radio frequency waveguides with autocatalytic nickel as the undercoat for  space  applications,  Surface  Topography:  Metrology  and  Properties  2  (4), 045004.
32. Gomathi  N.,  Rajasekar  R.,  Rajesh  Babu  R.,  Mishra,  D.,  and  Neogi  S.  (2012). Development  of  Bio/Blood  Compatible  Polypropylene  through  Low  Pressure Nitrogen  Plasma  Surface  Modification,  Materials  Science  and  Engineering  C. 32(7), 1767–1778.
33. Gomathi,  N., Mishra,  D.,  Maiti,  T.  K.,  and  Neogi,  S.,  (2010).  Surface modification  of  polycarbonate  by  helium  plasma  treatment  to  improve  the biocompatibility  and  blood  compatibility.  Journal  of  Adhesion  Science  and Technology, 24, 2237-2255.
34. Gomathi, N.,and Neogi, S. (2009), Surface modification of polypropylene using argon  plasma:  statistical  optimization  of  the  process  variables,  Applied  Surface Science, 255,7590-7600.
35. Gomathi.  N, Venkata  Prasad.  K  and  Neogi,  S.  (2009).  Preparation  and characterization of thin films of PPV semiconducting polymer, Journal of Applied Polymer Science 111,1917–1922.
36. Gomathi,  N., Eswaraiah,  C.,  and  Neogi,  S.,  (2009).  Surface  modification  of polycarbonate  by  RF  plasma  and  optimization  of  the  process  variables  using response surface methodology,  Journal of Applied Polymer Science.  114,1557-1566.
37. Gomathi,  N.,  and  Neogi,  S.  (2009).  Investigation  on  argon-oxygen  plasma induced  blood  compatibility  of  polycarbonate  and  polypropylene.  Journal  of Adhesion Science and Technology 23, 1811-1826.
38. Gomathi,  N., Mishra,  D.,  Maity,  T.  K.,  and  Neogi,  S.,  (2009).  Enhanced  cell adhesion  to  helium  plasma  treated  polypropylene.  Journal  of  Adhesion  Science and Technology. 23, 1861-1874.
39. Gomathi,  N., Sureshkumar,  A.,  and  Neogi,  S.,  (2008).  RF  plasma  treated polymers for biomedical applications. Current Science. 94 (11) 1478-1486.

Book chapters

1. Gomathi N, Chanda A K, Neogi S, Atmospheric plasma treatment of polymers for biomedical applications in Atmospheric Pressure Plasma Treatment of Polymers: Relevance to Adhesion, Eds: Michael Thomas K.L. Mittal, 2013, 199-215, Scrivener Publishing LLC.
2. Yogesh S Choudhary, Lavanya J, Gomathi N, Electrochemical Characterization, in Spectroscopic Methods for Nanomaterials Characterization, Eds: Sabu Thomas, Raju Thomas, Ajesh K. Zachariah, Raghvendra Kumar Mishra, 2017, 19-54, Elsevier Inc.
3. Gomathi N, Yogesh S Choudhary, Saravana Kumar J, “Inductively Coupled Plasma Mass Spectrometry” in “Spectroscopic Methods for Nanomaterials Characterization”, Eds: Sabu Thomas, Raju Thomas, Ajesh K. Zachariah, Raghvendra Kumar Mishra, 2017, 163-194, Elsevier Inc.
4. Yogesh S Choudhary, Gomathi N, Metamaterials as Shielding Materials, in Advanced Materials for Electromagnetic Shielding: Fundamentals, Properties, Eds: Maciej Jaroszewski, Sabu Thomas, Ajay V. Rane, 2018, 367, Wiley Publisher
5. Lavanya J, Saravana Kumar J, Gomathi N, “Plasma Modified Polymeric Materials for Biosensors/Biodevice Applications”, in “Non-Thermal Plasma Technology for Polymeric Materials”, Eds: Sabu Thomas Miran Mozetic Uros Cvelbar Petr Spatenka K.M. Praveen, 2019, 409-437, Elsevier Inc.
6. Gomathi N, Lavanya J, Saravana Kumar J, “Plasma Assisted Polymer Modifications”, in “Non-Thermal Plasma Technology for Polymeric Materials”, Eds: Sabu Thomas, Miran Mozetic, Uros Cvelbar, Petr Spatenka, K.M. Praveen, 2019, 95-127, Elsevier Inc.

• Varsha M V, Gomathi N, (2022), "Bimetallic Copper based MOF for the Sensitive Electrochemical Detection of Ciprofloxacin", International conference on Frontiers in Materials Engineering (ICFME-2022) organized by the department of Metallurgy Engineering and Materials Science, IIT Indore during 14-16, December 2022. 
• Varsha M V, Gomathi N, "Bimetallic Copper based MOF as an Efficient Sensing Platform for the Voltammetric Detection of Levofloxacin", National conference on Recent trends in Materials Science (NCMST 2022) organized by the department of Chemistry, IIST during 28-30, December 2022. 
• Varsha M V, Gomathi N, “Metal Organic Frameworks as an Emerging Platform for Electrochemical Sensing” in the Materials Research Society of India (MRSI) Trivandrum chapter and International Symposium on Advanced Materials (ISAM-2021) held on March 26-27, 2021.
• Varsha M V, Gomathi N, “Copper-based Metal-Organic Framework Incorporated with Ruthenium as Efficient Electrochemical Sensing Platform for Ciprofloxacin” in NCMST 2021 organized by IIST, Trivandrum on Dec 29-31, 2021.
• Varsha M V, Gomathi N, “Voltammetric Detection of Caffeine using Nickel based Metal Organic Framework/Reduced Graphene Oxide Composite” in NCMST 2020 organized by IIST, Trivandrum on Dec 7-9, 2020. 
• Varsha M V, Gomathi N, “Electrochemical Determination of Caffeine using Metal Organic Framework based Material” in the National Convention of Electrochemists 21(NCE-21) organised by SAEST in VIT Chennai on Jan 30-31, 2020.
• Varsha M V, Gomathi N, “Synthesis and Characterization of Carbon Nanomaterials/ Metal Nanoparticle Composite Membrane for Water Purification” in NCMST 2019 organized by IIST, Trivandrum on Dec 18-20, 2019.
• Lavanya J and Gomathi N, (2015) “Synthesis and characterization of nickel oxide/graphene sheet/graphene ribbon composite”, 2nd International Conference on Emerging Technologies: Micro to Nano 2015 (ETMN 2015), Manipal University, Jaipur, October 24-25th 2015, AIP Publishing, page 020050. 
• Gayathry S, Aleena Anna Thomas, Lavanya J, Gomathi N, Joseph K, Neogi S and C.P.R Nair, (2015), “Effect of carbon nanotubes on mechanical, electrical and thermal properties of plasma-modified multi-walled carbon nanotubes/polyimide nanocomposites", 2nd International Conference on Emerging Technologies: Micro to Nano 2015 (ETMN 2015), Manipal university, Jaipur, October 24-25th 2015, AIP Publishing, page 020037. 
• Lavanya  J,  Gomathi  N and  Neogi  S, (2015), “Enhanced  electrocatalytic  ativity  of ammonia  radio  frequency  plasma  modified  reduced  graphene  oxide”, International  Conference  on  Nanomaterials  and Nanotechnology  (NANO-15,) K.S.  Rangaswamy  Engineering  and  technology,  Thiruchencode,  Tamilnadu, December 2015. 
• Lavanya, J. Neogi S, Gomathi N, (2014), “Elecetrochemical characterization of ammonia radiofrequency  plasma  treated  reduced  graphene  oxide  in  melamine  sensing” presented in “Plasma 2014”, organized by Mahatma Gandhi University, Kottayam during Dec 08-11, 2014. 
• Lavanya  J,  Gomathi  N, (2014) “Synthesis  and  Characterization  of  hybrid  graphene” poster presented in “International conference on recent trends in nanoscience and nanotechnology, organized by Jawaharlal Nehru University, Delhi during Dec-15-16, 2014.
• Lavanya.J,  Leena  G.  Nair,  Gomathi  N,  Neogi  S, (2013) “Study  on  RF  plasma  treated reduced graphene oxide” poster presented in Chemcon 2013, organized by Indian Institute of Chemical Engineers (IIChE) held in Mumbai during Dec 27-30, 2013. 
• Leena G Nair, Lavanya J, Joseph K, Reghunadhan Nair C P, Neogi S,  Gomathi N, (2013), “Surface  modification  of  multi-wall  carbon  nanotubes  by  N2  /  O2  Plasma treatment” presented in Chemcon 2013, organized by Indian Institute of Chemical Engineers (IIChE), held in Mumbai during Dec 27-30, 2013. 
• Lavanya.J,  Leena  G.  Nair,  Gomathi.  N,  Neogi.  S, (2013), Electrocatalytic  Activity  of Plasma  Functionalized  Reduced  Graphene  Oxide  presented  in  Research  scholar day held in IIST, Trivandrum during Dec 16-17, 2013. 
• Lavanya J, Neogi S,  Gomathi N (2013), “Comparative study on Electrocatalytic activity of  oxygen  and  nitrogen  doped  graphene  for  Electrochemical  cancer  biosensor presented  in  International  Conference  on  Stem  Cells  and  Cancer  (ICSCC-2013) held in Mumbai during October 19-22, 2013 organized by International Centre for Stem Cells, Cancer and Biotechnology (ICSCCB), Pune, India. 
• Leena G Nair, Gomathi N, Lavanya J, Joseph K, Reghunadan Nair C P, Neogi S, (2013), “Functionalization of multiwall carbon nanotubes by RF plasma treatment” poster presented  in  National  Conference  on  Recent  Trends  in  Material  Science  & Technology held in IIST, Trivandrum during 10-12 July 2013. 
• Gomathi, N, and Neogi, S. (2011). “Development of Bio/Blood Compatible Polypropylene by Radio-Frequency Plasma Treatment” Accepted for ISPC20, Philadelphia USA, July 24 – 29, 2011.
• Gomathi, N, and Neogi, S. (2011) “Surface Modification of Polypropylene by Nitrogen Plasma for Biomedical Applications” The Adhesion Society Annual Meeting 2011, Savannah, Georgia, USA February 13-16, 2011.
• Gomathi, N., and Neogi, S. (2010). Evaluation of Biocompatibility and Blood Compatibility of Polycarbonate Treated with Argon Plasma. Submitted to ACS Symposium in honour of Dr Kash Mittal at the 240th ACS National Meeting, Boston, MA.
• Gomathi, N. and Neogi, S. (2009). The Effect of Surface Modification of Polycarbonate Using Argon- Oxygen Plasma on Platelet Adhesion. Poster presented at the Research Scholar Day 2009 organized by the Department of Chemical Engineering, Indian Institute of Technology, Kharagpur on December 16, 2009.
• Gomathi. N., Mishra, D., Maity, T. K. and Neogi, S. (2009). Low Pressure Radio Frequency Plasma Treatment of Polypropylene for Improved Cell Adhesion. Paper presented at the Seventh international symposium on Polymer Surface Modification: Relevance to Adhesion at University of Maine, Orono, ME, USA during July, 12-15, 2009.
• Gomathi. N., Mishra, D., Maiti, T. K., and Neogi, S., (2009). Enhancing the Bio and Blood Compatibility of Polycarbonate by Helium Plasma Treatment. Paper presented at the Workshop on “Process Engineering Applications of Plasma Technologies” (PEAPT-2009) held at IISc, Bangalore, India on August 14, 2009.
• Gomathi. N, and Neogi, S. (2009) Improving bio and blood compatibility of polymers using plasma, National workshop on plasma technology for biomedical application, Organized at IIT, Kharagpur, India on March, 27, 2009.
• Gomathi, N., Sureshkumar, A. and Neogi, S. (2009). Surface modification of Polycarbonate by argon plasma treatment for biomedical applications. Paper presented at the International Conference on Hi-Tech Materials (ICHTM-09) organized at IIT, Kharagpur, India during February, 11-13, 2009.
• Gomathi, N. and Neogi, S., (2008). Role of plasma in biomedical applications, presented in Symposium on Nano-Bioengineering and Family Welfare, Organized at IIT, Kharagpur, jointly organized by Ministry of health and family welfare and Damodar valley corporation on December, 2, 2008.
• Gomathi, N., Sureshkumar, A., and Neogi, S. (2007). Surface modification of Polypropylene by RF plasma for biomedical applications. Paper presented at the Indian Chemical Engineering Congress (CHEMCON-2007) held at Kolkata during December 27 – 30, 2007.
• Venkataprasad, K., Gomathi, N., Neogi, S., (2006). Development and characterization of semiconducting polymer thin films for optoelectronic Applications. Paper presented at the Indian Chemical Engineering Congress (CHEMCON-2006) held at Baruch, Gujarat during December 26-30, 2006.
• Gomathi, N, Ahmed Basha, C. and Ramasamy, E. (2005). Textile waste water treatment by electrochemical oxidation. Paper presented at the Seminar on ‘Waste Management in Chemical and Allied Industries: A. Vision 2020?, held at NIT, Rourkela during October 2-3, 2005.

• Delivered invited lecture on  “Surface Engineering of Carbon Nanomaterials”, in short term course on  “Current Research Scenarios in Energy, Environmetal and Chemical  Engineering”,  organized  by  Department  of  Chemical  Engineering, National Institute of Technology Tiruchirapalli, held during 30th Jan-4th Feb 2017. 
• Delivered  invited  talk  on  “Plasma  based  Synthesis  and  Surface  Modification  of Carbon based Nanomaterials”, in “National Conference on Materials Science and Technology”,  organized  by  Department  of  Chemistry,  Indian  Institute  of  Space Science and Technology, held during 12th -14th July 2016. 
• Delivered  invited  talk  on  “Materials  for  Satellites  and  Space  Structures”,  in  the “National  Level  Seminar  on  Technical  Challenges  in  Satellite  Communication” organized  by  Hindusthan  College  of  Engineering  and  Technology,  Coimbatore, Tamilnadu, during 8th - 9th April 2016. 
• Delivered  invited  talk  on  “New  horizons  in  plasma  treatment  and  its  surprising applications”,  in  the  workshop  “Modern  Trends  in  Chemical  Research”  in Vivekandha  College  of  Arts  and  Science  for  Women,  Tiruchengode,  March  5, 2016. 
• Delivered  Key  note  address  in  “National  seminar  on  Advanced  Polymers” organized by Mahatma Gandhi University College of Engineering, Thodupuzha, on 28th October, 2014. 
• Delivered  a  talk  on  “Cold  Plasma  for  Surface  Modification”  in  Department  of Chemical  and  Biomedical  Engineering,  FAMU-FSU,  College  of  Engineering, Tallahassee, Florida on 4th June 2014.
• Delivered  invited  lecture  on  “Surface  Engineering  of  Polymers  through  Radio Frequency Plasma Treatment: Statistical Optimization of the Process Variables” at Faculty Development program on “Medical Instrumentation and Materials in Medicine” sponsored by Anna University of Technology, Madurai, at PSNA College of Engineering and Technology, Dindigul, Tamilnadu, held during 10th -14th June 2011. 
• Delivered a  talk on “Plasma Surface Modification for Biomedical Applications” at Institute of Physics, Bhubaneswar on May-11, 2011.