Education

• Ph.D. (2006, Univ. of Kerala)
• M.Sc. (1999, Univ. of Kerala)

Course Offered

• Environmental Science and Engineering (B.Tech.)
• Introduction to smart and intelligent materials (B.Tech.)
• Material Characterisation Techniques (M. Tech.)
• Smart and Intelligent Materials (M.Tech.)
• Computational Chemistry (M.Tech.)
• Basic course on Astrobiology (B.Tech.)
• Computational Materials Science (M.Tech.)
• Chemistry I (B.Tech.)

Experience

• January 2023 onwards                      Professor, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram

• September 2016 - December 2022   Associate Professor, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram

• May 2010 - August 2016                  Assistant Professor, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram

• September 2007 – April 2010            Reader, Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram

• December 2006 – September 2007    Postdoctoral researcher (RA, CSIR)

                   LPA, BMT, SCTIMST, Thiruvananthapuram, India

   

                   Design of novel polymeric materials as tissue engineering scaffolds

• July 1999 – February 2006                 Doctoral Research

                  Department of Chemistry, University of Kerala, Thiruvananthapuram India

   

                  Combinatorial synthesis of medicinally relevant heterocycles, their precursors and structure evaluation by spectral methods

Research Work / Area

• Synthetic Organic Chemistry
• Combinatorial Chemistry for material development
• Materials for molecular therapeutics
• Dendrimer synthesis and applications 
• Drug discovery and Space Medicine
• Space Life sciences 
• Bioastronautics 

Funded Project

• N-containing heterocycles as aurora kinase inhibitors - computational design and library synthesis (IIST funded, completed)
• Spaceflight-induced changes in kidney stone formation in Drosophila Melanogaster  (Biology payload for Gaganyaan, HSFC-ISRO funded)
• Humanoid-in-loop Plant Experiments (HOPE): Phase 1: Design of Plant Habitat and Demonstration of Seed Germination and Growth under Simulated Microgravity Conditions
   (IIST funded)

Awards

• Awarded Research Associateship (RA) by Council of Scientific & Industrial Research, India.
• II Rank holder in M.Sc. Chemistry, University of Kerala, July 1999.
• Awarded Junior Research Fellowship (JRF) by Council of Scientific & Industrial Research- University Grants Commission (CSIR- UGC), India.
• Acquired eligibility for Lectureship in Chemical Sciences by qualifying National eligibility test (NET) conducted by CSIR- UGC held in December 2002.
• Awarded Junior Research Fellowship (JRF) by University of Kerala, India.

Publications:

• Chithra R. Nair and K G Sreejalekshmi. Building synergistic nanoplatforms via dendrimer-small organic molecule handshakes: Heterocycle ligation as a promising strategy.  Materials Today Chemistry, 38, 102099 (2024)

• Chithra R. Nair and K G Sreejalekshmi. PAMAM-guanylthiourea conjugates mask furin’s substrate binding site: Mechanistic insights from molecular docking and molecular dynamics studies assist the design of potential furin inhibitors. New J. Chem., 47, 12468-1 (2023)

• Chetia, T., Rajaram, D. and K.G. Sreejalekshmi. Aerodynamic and flight dynamic parametric studies of a flapping wing, International Journal of Intelligent Unmanned Systems (2022),  https://doi.org/10.1108/IJIUS-06-2021-0039

• Sathasivam M, Hosamani R, K Swamy B, K G Sreejalekshmi. Plant responses to real and simulated microgravity. Life Sciences in Space Research. 74-86, (2021):DOI: 10.1016/j.lssr.2020.10.001.

• Chellapurath M, Noble S, K G Sreejalekshmi. Design and kinematic analysis of flapping wing mechanism for common swift inspired micro aerial vehicle. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. (2020) doi:10.1177/0954406220974046

• R Radhakrishnan, BB Sinu, V Anilkumar, KG Sreejalekshmi. Discovery of full color emissive thiazole fluorophores in solution and solid states: The core is central and regulating torsional barrier does the trick! Dyes and Pigments 181, 108560 (2020)

• S Erekkath, KG SreejalekshmiTheoretical predictions on microphase separation in polyurethane: combinatorial design, synthesis and demonstration of shape memory property
  Materials Today Communications 16, 71-80 (2018)

• S Titus, KG Sreejalekshmi. Enriching biologically relevant chemical space around 2-aminothiazole template for anticancer drug development. Medicinal Chemistry Research 27 (1), 23-36 (2018)

• R Radhakrishnan, KG Sreejalekshmi. Computational Design, Synthesis and Structure Property Evaluation of 1, 3-Thiazole Based Colour Tunable Multiheterocyclic Small Organic Fluorophores as Multifunctional Molecular Materials. - The Journal of Organic Chemistry, DOI: 10.1021/acs.joc.7b02978 (2018)

• K. A. Krishnan, K.G. Sreejalekshmi, Vinu V. Dev, Sibin Antony, H. Mahadevan. Removal of Cu(II) from aqueous phase using tailor made sulphur impregnated activated carbon inspired by Claus Process. Desalination and Water Treatment, 80, 214–222, (2017)
• R. Radhakrishnan, K.G. Sreejalekshmi. Fluorophores based on a minimal thienylthiazole core: towards multifunctional materials with solid state red emissions, solvatochromism and AIE behavior. RSC Advances, 2016, 6 (39), 32705-32709
• R. Radhakrishnan, K.G. Sreejalekshmi. Expanding Donor-Acceptor toolbox with a minimal 5-(thiophen-2-yl)-1,3-thiazole core: Transition metal-free synthesis and molecular design for HOMO-LUMO energy modulations. New J Chemistry, 2016, 40 (4), 3036-3039.
• K.A. Krishnan, K.G. Sreejalekshmi, V. Vimexen, V.V. Dev. Evaluation of adsorption properties of sulphurised activated carbon for the effective and economically viable removal of Zn (II) from aqueous solutions.Ecotoxicology and environmental safety, 2016, 124, 418-425. 
• S. Titus and K.G.Sreejalekshmi. Propeller-shaped molecules with thiazole hub: structural landscape and hydrazone cap mediated tunable host behavior in 4-hydrazino-1,3-thiazoles. CrysEngComm, 2015, 17 (31), 5978-5986.
• K.A. Krishnan, S. Sini Suresh, S. Arya, K.G. Sreejalekshmi.  Adsorptive removal of 2,4-dinitrophenol using active carbon: kinetic and equilibrium modeling at solid-liquid interface. Desalination and Water Treatment, 2015, 54 (7), 1850-1861.
• S. Titus and K.G.Sreejalekshmi. One-pot four-component synthesis of 4-hydrazinothiazoles: novel scaffolds for drug discovery. Tetrahedron Letters, 2014, 55 (40), 5465-5467.
• K.G. Sreejalekshmi and K.N. Rajasekharan. One-pot sequential multicomponent route to 2,4-diaminothiazoles- facile approach to bioactive agents for cancer therapeutics. Tetrahedron Letters, 2012, 53(28), 3627-3629.
• K.A. Krishnan, K.G. Sreejalekshmi, R.S. Baiju. Nickel(II) adsorption onto biomass based activated carbon obtained from sugarcane bagasse pith. Bioresource Technology, 2011, 102 (22), pp. 10239-10247.
• K.G. Sreejalekshmi and P.D. Nair. Biomimeticity in tissue engineering scaffolds through synthetic peptide modifications – altering chemistry for enhanced biological response. Journal of Biomedical Materials Research – Part A, 2011, 96 (2), pp. 477-491.
• K.G. Sreejalekshmi, A Facile, Sequential Multicomponent Approach to N-Amino amidinothioureas – Versatile Synthons to Bioactive Heterocycles. Phosphorus, Sulfur, and Silicon and the Related Elements, Phosphorus, Sulfur and Silicon and the Related Elements, 2010, 185 (9), pp. 1830-1837.
• K.A. Krishnan, K.G. Sreejalekshmi, S. Varghese. Adsorptive retention of citric acid onto activated carbon prepared from Havea braziliansis sawdust: Kinetic and isotherm overview. Desalination, 2010, 257 (1-3), pp. 46-52.
• K. Anoop Krishnan, K.G. Sreejalekshmi, S. Varghese, T.S. Anirudhan. Removal of EDTA from aqueous solutions using activated carbon prepared from sawdust of rubber wood: Kinetic and equilibrium modeling. CLEAN – Soil, Air, Water, 2010, 38 (4), pp. 361-69.
• K.G. Sreejalekshmi, K. Anoop Krishnan, T.S. Anirudhan, Adsorption of Pb(II) and Pb(II)-Citric acid on sawdust activated carbon: Kinetic and equilibrium isotherm studies. Journal of Hazardous Materials, 2009, 161 (2-3), pp. 1506-1513.
• T.F.A.F. Reji, S.K.C. Devi, K.K. Thomas, K.G. Sreejalekshmi, S.L. Manju, M..Francis, S.K.  Philip, A. Bharathan,  K.N.  Rajasekharan. Synthesis and cytotoxicity studies of thiazole analogs of the anticancer marine alkaloid dendrodoine. Indian Journal of Chemistry Section B,  2008, 47 (7), pp. 1145-1150.
• K.G. Sreejalekshmi, S.K.C. Devi, K.N.Rajasekharan. An efficient protocol for solid phase aminothiazole synthesis. Tetrahedron Letters, 2006, 47 (35), pp. 6179-6182.
• S. Sengupta,  S.L Smitha, N.E. Thomas, T.R. Santhoshkumar, S.K.C. Devi, K.G. Sreejalekshmi, K.N. Rajasekharan. British Journal of Pharmacology, 2005, 145 (8), pp. 1076-1083.

Patents

• Srujana J and K.G. Sreejalekshmi. RANDOM POSITIONING MACHINE [RPM] WITH THE TILT SETUP. Indian Patent Application No. 202441007645 dated 05 Feb. 2024

• Mrudul C, Sam Noble and K. G. Sreejalekshmi. FLAPPING WING MECHANISM AND THE WING DESIGN OF THE BIONIC MICRO AERIAL VEHICLE. Indian Patent  (granted 503237). validity 20 years from 04.07.2019; 

• K.G. Sreejalekshmi and S. Titus.  Substituted 4-hydrazinothiazoles and processes for their preparation. Indian Patent (granted 302079) validity 20 years from 8.06.2013;

Articles in Books

• K. G. Sreejalekshmi. Space Biosciences: Translational Research for Space, Benefitting Life on Earth in Research in Biomedical Sciences in the book 'Translational Research in Biomedical Sciences: Recent Progress and Future Prospects, Springer Nature Singapore, 2024, 31-43. 
• C Mrudul, S Noble, KG Sreejalekshmi. Design of flapping wing mechanism for Bionic Microaerial Vehicle in the book 'Recent Advances in Materials, Mechanics and Management' CRC Press, 2019. 229-233.
• K.G. Sreejalekshmi and K.A. Krishnan. Chemical Aspects of Polyphenols-a short survey from molecular structure to reactivity in the book “Chemistry and Biotechnology of Polyphenols: Fundamentals and Applications” Eds. Sabu A., Roussos S., Aguilar C.N. CIBET Publishers, Thiruvananthapuram, 2011.

Courses offered:

CH111: Chemistry I _ I year BTech

CH112: Environmental Science and Engineering - I year BTech (AE branch)

CH311: Environmental Science and Engineering - III year BTech (AV branch)

CH411: Environmental Science and Engineering - IV year BTech (AE branch)

CHM875: Smart and Intelligent Materials _ MTech (MST, BTech Final year)

ID411: Basic course on Astrobiology - CBCS Elective (BTech final year)

Selected Projects

• Humanoid in loop- in Orbit Plant Experiment (HOPE) phase 1: Development of plant growth hardware and demonstration of seed germination under simulated microgravity conditions - in progress
• Spaceflight-induced changes in Kidney stone formation in Drosophila Melanogaster (Biology Payload for the first developmental flight of INDIAN HUMAN SPACEFLIGHT - GAGANYAAN) - in progress
• Functionalised N-Containing Heterocycles as aurora kinase inhibitors-Computational design & library synthesis - completed

Seminars / Conferences Attended

• Akhil Madhavan and K.G. Sreejalekshmi. Customised Hardware for Fruit Fly Experiments onboard Gaganyaan Flights, 14th Asian Microgravity Symposium, IIT-Madras, Dec 1-6, 2024.  (BEST POSTER AWARD) 

• Julsana Jalal and K.G. Sreejalekshmi. Influence of Simulated Microgravity on the Courtship and Negative Geotaxis Behavior of Drosophila melanogaster, 14th Asian Microgravity Symposium, IIT-Madras, Dec 1-6, 2024.  

• K. G. Sreejalekshmi and Srujana Juratagi. Table-top RPM for optimizing space biology experiments: Design, fabrication, and validation through seed germination experiments, 22nd  National Space Science Symposium (NSSS 2024), GOA University, 26th February – 01st March 2024

• Chithra R. Nair, K.G.Sreejalekshmi, PAMAM-Schiff Base Conjugates as Potential Theranostics,  Annual Technical Meeting of MRSI Trivandrum Chapter, May 2023, Materials Research Society of India.

• Bilga Bhuvan and K G Sreejalekshmi, Alginate Hydrogel loaded with Hemigraphis colorata Extract as Bionk for 3D Printing of Wound Healing Patches, Polymer Processing Society-Asia- Australasia Regional Conference (PPS 2023),  29th November- 2nd December, 2023 in Kovalam, Kerala, India

• Chithra R. Nair, K G Sreejalekshmi.Design and development of Poly(amidoamine) Dendrimer-Heterocycle conjugates as nanotheranostics at the Polymer Processing Society Asia-Australasia Regional Conference (PPS – 2023), November 29, 2023 to December 02, 2023 in Kovalam, Kerala, India (BEST POSTER AWARD)
• Shruthi Diwase, K G Sreejalekshmi. Investigations on Silica Aerogel as CO2 adsorbents International Conference on Materials Science and Nanotechnology for sustainable applications, organised by Department of Basic and Applied Sciences, MGM UNiversity, Aurangabad, India during 23-24 March 2023 (BEST POSTER AWARD)
• Adarsh Jayagopal, K G Sreejalekshmi Optimizing the Sabatier reactor design for power-to-gas applications: A computational approach.Indo-German International Conference of "Metrology for the Deployment of Green Hydrogen and Renewable Fuels in India"; Virtual event, April 4-6, 2022  (BEST POSTER AWARD)
• Chithra R. Nair, K.G. Sreejalekshmi PAMAM-Guanylthiourea platform for the synthesis of PAMAM-heterocycle conjugates; ACS- India Satellite Event Virtual Science Communication Competition, Hybrid mode event, March 21, 2022

• Chithra R. Nair, K.G. Sreejalekshmi Guanylthiourea-tethered PAMAM: A simple and versatile platform for the synthesis of PAMAM-heterocycle conjugates; ACS Spring 2022, Hybrid mode event, San Diego CA, March 20-24, 2022

• Akhil Madhavan K, K G Sreejalekshmi. Development of Hardware for Biology in Spaceflight: Exploring the Prospects of Design for Additive Manufacturing (DfAM) 8th International Conference (online) on Product Life Cycle Modeling, Simulation and Synthesis (PLMSS-2021) Dec 17-18 December, 2021

• Chithra    R. Nair, K. G. Sreejalekshmi; Virtual Screening of 1,3-Thiazole Containing Small Molecule Drugs Against SARS-CoV-2. (poster presentation) National Conference on Recent Trends in Materials Science and Technology (NCMST-2019) organized by Department of Chemistry, IIST, Thiruvananthapuram, 07-09 December, 2020.
• Tandralee Chetia, Dhayalan and KG Sreejalekshmi; Aerodynamic and Flight Dynamic Design of a Flapping Wing MAV; 3^rd National Conference on Academic, Industrial, Scientific and Defence Research in Mechanical and Aeronautical Engineering Research organized by Society of Aeronautical Engineers on June 01^st 2019 at Government Museum,  Chandigarh.
• Chithra R Nair, Sarah Titus and KG Sreejalekshmi; Molecular Design for Dendrimer based Nanotheranostics: Conjugation of heterocycles as a viable strategy International Conference NANOBIOTEK at Aerocity Delhi during 20-22 November 2019.
• Aditya Gohad, Athira S. Vijayan, Chithra R. Nair, KG Sreejalekshmi; Nonionic surfactants with solid and solution state emissions: Synthesis, characterisation and photophysical property evaluations; National Conference on Recent Trends in Materials Science and Technology (NCMST 2019) during 18-20 December 2019.
• Jasmine P. Jacob, Muskan Bhatnagar, Chithra R. Nair, KG Sreejalekshmi; Adamantyl thiazoles as a versatile building block for diamondoid nanostructures: Synthesis, characterisation and property evaluations; National Conference on Recent Trends in Materials Science and Technology (NCMST 2019) during 18-20 December 2019. 
• C Mrudul, Sam Noble and K G Sreejalekshmi. "Design of Flapping Wing Mechanism for Bionic Micro Aerial Vehicle", Fourth International Conference on Materials Mechanics and Management from 13th -15th July 2017, CET, Trivandrum, Kerala
• Noufal M.C., Sarah Titus, Dona Maria Vincent, Rakesh R., K.G. Sreejalekshmi. “Azaindole fragment decoration on 4-hydrazinothiazole scaffold as a useful strategy for designing aurora kinase inhibitors: Insights from virtual screening of a synthetically feasible combinatorial library” International Conference on Drug Design, April 7-9, 2017, JNU-New Delhi, India. (BEST POSTER AWARD)

• Rakesh R., K.G. Sreejalekshmi. “Exploring 1,3-thiazole scaffolds for structure property relationships and dendritic architecture”. 18th Tetrahedron Symposium, June 27-30, 2017, Budapest, Hungary. (accepted for presentation)

• Rakesh R., K. G. Sreejalekshmi. “Thienylthiazole: a promising core for theranostics” National Seminar on Current Trends in Chemistry (CTriC 2017), February 3-4, 2017, Cochin University of Science and Technology, Kochi, Kerala, India.
• Rakesh R., K. G. Sreejalekshmi. “Diversity-oriented design and synthesis of multi-heterocyclic donor acceptor hybrid cores based on 1, 3-thiazole”. 21st International Conference on Organic Synthesis (ICOS 21), December 11-16, 2016, IIT Mumbai, India.
• Dona Mariya Vincent, Rakesh R., Sarah Titus, K. G. Sreejalekshmi. “Colorimetric sensors based on Novel 2-amino- 4-hydrazinothiazoles for anion detection”. National Conference on Recent Trends in Material Science & Technology (NCMST- 2016), July 12-14, 2016, Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, India
• E. Swathi, K.G. Sreejalekshmi. “Effect of microphase separation on shape memory properties of polyurethane”, National Conference on Recent Trends in Materials Science & Technology (NCMST-2016), July 12-14, 2016, Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, India.
• Rakesh R., K.G. Sreejalekshmi. “Exploring 1,3-thiazole scaffolds for structure property relationships and dendritic architecture”. 18th Tetrahedron Symposium, June 27-30, 2017, Budapest, Hungary. (accepted for presentation)
• Noufal M.C., Sarah Titus, Dona Maria Vincent, Rakesh R., K.G. Sreejalekshmi. “Azaindole fragment decoration on 4-hydrazinothiazole scaffold as a useful strategy for designing aurora kinase inhibitors: Insights from virtual screening of a synthetically feasible combinatorial library” International Conference on Drug Design, April 7-9, 2017, JNU-New Delhi, India.(BEST POSTER AWARD)
• Rakesh R., K. G. Sreejalekshmi. “Thienylthiazole: a promising core for theranostics” National Seminar on Current Trends in Chemistry (CTriC 2017), February 3-4, 2017, Cochin University of Science and Technology, Kochi, Kerala, India.
• E. Swathi, R. Rakesh, S.Titus, K.G. Sreejalekshmi. “A combined theoretical and experimental investigation on the effect of microphase separation on shape memory behaviour of polyurethane” Macro-2017- International Conference on Polymer Science and Technology, January 8-11, 2017, Thiruvananthapuram, Kerala, India 2017.
• Rakesh R., K. G. Sreejalekshmi. “Diversity-oriented design and synthesis of multi-heterocyclic donor acceptor hybrid cores based on 1, 3-thiazole”. 21st International Conference on Organic Synthesis (ICOS 21), December 11-16, 2016, IIT Mumbai, India
• S.Titus and K.G. Sreejalekshmi, Coumarinoyl-1,3-thiazole conjugated PAMAM dendrimers as highly emissive  solvatochromic fluorescent nanoprobes. Polymer Conference for Young Researchers (PCYR-2015), 18th December 2015, NIIST, Thiruvananthapuram.
•  S     R. Rakesh and K.G. Sreejalekshmi, Exceptional large Stokes shift fluorophores: Design, synthesis and rationalization of photophysical properties of novel heterocyclic dyes, 17^th CRSI National Symposium in Chemistry, 06-08 February, 2015, CSIR-NCL, Pune.
• S. Titus and K.G. Sreejalekshmi, Design and synthesis of coumarinoyl-1,3-thiazole conjugated PAMAM as multifunctional fluorescent dendritic nanoprobes, 17^th CRSI National Symposium in Chemistry, 06-08 February, 2015, CSIR-NCL, Pune.
• R. Rakesh and K.G. Sreejalekshmi, Synthesis, crystal structure and electronic properties of a thienylthiazole hybrid- A combined theoretical and experimental approach, 8th Asian Photochemistry conference (APC-2014), 10-13th November, Rajiv Gandhi Convention Centre, Kovalam, Thiruvananthapuram.
• S. Titus and K.G. Sreejalekshmi, Supramolecular assemblages in multicomponent molecular crystals of 4-hydrazinothiazoles, RSC Roadshow India, 10th November, 2014, IIT-Madras.
• S. Titus and K.G. Sreejalekshmi, Synthesis and single crystal X-ray studies on aminothiazole monohydrate, a structural analogue to dasatinib, International Conference on Materials and Characterization Techniques (ICMCT-2014), 10- 12th March, 2014,VIT university, Vellore.
• S. Titus and K.G. Sreejalekshmi, “Synthesis and solvatochromism of coumarin conjugated PAMAM: in search for a novel imaging probe, National Event on Research Scholar’s Day, held at IIST Thiruvananthapuram, India, December 2013.
• R. Rakesh, S. Titus and K.G. Sreejalekshmi, “Electronic structures and spectroscopic properties of benzopyranone derivatives : A DFT study, National Event on Research Scholar’s Day, held at IIST Thiruvananthapuram, India, December 2013.
• S. Titus and K.G. Sreejalekshmi,  “Computational approach towards the development of densely functionalized thiazoles as novel anticancer agents” 4th International conference on stem cells and cancer, Haffkines Institute, Mumbai, India, 19-22nd October , 2013. (BEST POSTER AWARD)
• S. Titus and K.G. Sreejalekshmi, ‘Recent Advances in Computational Drug Design’ (RACDD-2013) held at IISc Bangalore during September 16-17th, 2013 (BEST POSTER AWARD).
• A.S. Rama Teja, Sarah Titus, R. Rakesh, K.G. Sreejalekshmi; “Hymecromone functionalized poly(4-vinylpyridine) and its photodeformation” National Seminar on Recent Trends in Materials Science and Technology, held at department of Chemistry, Indian Institute of Space Science  and Technology, Thiruvananthapuram, India 10-12th July 2013.
• Sarah Titus and K.G. Sreejalekshmi; “Molecular Docking studies on densely functionalized hydrazinothiazoles” National event Research Scholar’s Day 2012, held at Indian Institute of Space Science  and Technology, Thiruvananthapuram, India 19-21st December 2012.
• K.G. Sreejalekshmi, M. Francis and K.N. Rajasekharan; “Polymer supported synthon for combinatorial heterocycle synthesis” International Conference on ‘Polymers for Advanced Technologies’, held at RRL (CSIR), Thiruvananthapuram, India, 14th December 2004.
• K.G. Sreejalekshmi, T.F.A.F. Reji, S.K.C. Devi and K. N. Rajasekharan; “Isolation and combinatorial analog synthesis of anticancer marine alkaloids”, “International Conference on “Natural Products, Free Radicals and Radioprotectors in Health” held at Department of Biochemistry, Annamalai University, Annamalainagar, India, 17-19 January 2004.
• K.G. Sreejalekshmi, S. Anusya, V.P. Menon, S. Sengupta and K.N. Rajasekharan; “Versatile approach to bioactive 2,4-diaminothiazoles  by novel solid phase heterocyclic synthesis”, “Fifth National Symposium in Chemistry”, held at CLRI (CSIR), Chennai, India, 7-9 February 2003.
• S.K.C. Devi, T.F.A.F. Reji, K.G. Sreejalekshmi and K. N. Rajasekharan; “Anticancer marine alkaloids”, National Conference on “Natural Products in Health” held at Department of Biochemistry, Annamalai University, Annamalainagar, India, 26-27 February 2005.
• S. Sengupta, S.L. Smitha, N.E. Thomas, T.R. Santosh, S.K.C. Devi, K.G. Sreejalekshmi, and K.N. Rajasekharan;  DAT1: “An antimitotic and cytotoxic agent towards cancer cells and a probe for tubulin-microtubule system”, “Proceedings of the International Conference on Biotechnology and Neuroscience”, Cochin, India, 2004.
• T. F. A. F. Reji, S.K.Chithralekhadevi, S.L. Manju, K.G. Sreejalekshmi and K. N. Rajasekharan; “New indoloyl-2,4-diaminothiazoles as dendrodoine analogs – synthesis and cytotoxicity”, “Fifth National Symposium in Chemistry”, held at CLRI (CSIR), Chennai, India, 7-9 February 2003.

Workshops Attended/Courses completed

• Certificate course (on line) - Astrobiology: Emergence of Life (UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN, USA)
• Certificate course (on line) - Astrobiology: Exploring other worlds (University of Arizona,Tucson, USA) 
• Certificate course (on line) -Astrobiology and the Search for Extraterrestrial Life (The University of Edinburgh, UK)
• Certificate course (on line) - Clinical trials for Drug Candidates (John Hopkins Hospital, Baltimore, Maryland, USA)

• Certificate course (on line) - Design and Interpretation of Clinical Trials (John Hopkins Hospital, Baltimore, Maryland, USA)

• Two-day workshop on Computational methods in drug discovery at IIST, Thiruvananthapuram during 25-26th February, 2014.
• One-week National Workshop on Computational Chemistry (NWCC-2012) at IIST, Thiruvananthapuram during 2012
• Two – day Joint Academies Lecture Workshop on Analytical Chemistry and Environmental Sciences at Mar Ivanios College, Thiruvananthapuram during 11th and 12th of December 2008
• Three-day workshop on Computational Chemistry at IIITM-k, Technopark, Thiruvananthapuram during 18-21 March 2009

 Invited talk (selected)

• Space Biology- Applications, Challenges and Opportunities: Awareness webinar series on “Challenges and Opportunities for Science Students in Space Sciences” April 4-5, 2022 Organized by: Indian Space Industries Exhibitor, Ahmedabad & KLE Society’s, P C Jabin Science College, Hubballi

• Human Space Mission and emerging domains of research in India; Special Lecture (on line) in connection with Astrobiology Club Inauguration at Shoolini University, Himachal Pradesh on 04.02.2022

•  Gravitational Biology: The role of microgravity simulating facilities to assist ‘Space Experiments on Earth Laboratories’ Indian Analytical Science Congress 2022, Munnar, Kerala during March 10-12, 2022

•  Space Biosciences Research: Enabling advancements in Space Explorations Special Lecture during Centenary Celebrations at St. Berchmans College, Changanassery, Kerala on 24 March, 2022

• SPACE BIOSCIENCES: Systems for Space Laboratory experiments; Online Winter School in Physics and Chemistry conducted by UGC-HRDC, Kannur University, Thavakkara 04.12.2021

• From molecules to materials to systems; Online Winter School in Physics and Chemistry conducted by UGC-HRDC, Kannur University, Thavakkara 04.12.2021
• Biology in Space: The unique features of space laboratories and challenges for researchers. Centenary Celebration Webinar, organised by Union Christian College, Aluva 13.11.2021.
• Space Biosciences: Challenges and Opportunities, CNI ITE Kottayam World Space Week celebrations 2021, 12 October, 2021
• Space Biology Experiments to assist informed decisions for human space missions; webinar as part of WORLD SPACE WEEK CELEBRATIONS 2021 organised by Breakthrough Science Society & Kerala State Science and Technology Museum on 09.10.2021
• Life Into Space: An Introduction to Space Biology; UL Space Club World Space Week celebrations 2021, 09 October, 2021
• Emerging Opportunities in Space Science and Research; World Space Week 2021 Virtual Open House, jointly organised by VSSC, IISU and LPSC Thiruvananthapuram, 05 October, 2021
• Biology in Space Challenges and Opportunities for Engineers IEEE Engineering in Medicine and Biology (EMB) Kerala Chapter; Distinguished Lecture Series-2; Online session on 15.07.2021
• Space Bioscience: Challenges and Research opportunities; Webinar organized by Nesamony Memorial Christian College, Martandam on 08.07.2021
• Dendrimers for nanotheranostic platforms: Property modulations through heterocycle conjugations; APT 2021 International Conference (online) on Advances in Polymer Technology, organized by Dept. of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kerala on May 27-29, 2021
• Space Biology and Bioastronautics: The emerging domains of research in India, Webinar organised by Indian Society of Analytical Scientists, online March 27, 2021
• Functional Materials: DBT Sponsored seminar, SN College Varkala, March 06, 2021
• High Throughput Screening and Combinatorial Methods: Lecture (session 1) delivered as part of Online FPD in Chemical Sciences, UGC-HRDC Kannur University August 22, 2020
• The Evolving Landscape of Combi Technologies: Lecture (session 2) delivered as part of Online FPD in Chemical Sciences, UGC-HRDC Kannur University August 22, 2020
• Taking Life into Space: Glimpses of Space Life Science Experiments : Lecture delivered (online) as part of IIST@Schools, 06 August, 2020.
• Space Biosciences:  The Prospective andOpportunities for Research in the Indian Context. MHRD-SPARC (Ministry of Human Resource Development- Scheme for Promotion of Academic & Research Collaborations) International Online Faculty & Student Development Programme on Translational and Interdisciplinary research in human Diseases Management, 27 July 2020 (on line platform) 

• Organic Functional Materials:  Plenary speech at National Science Day Celebrations, SN College, Kollam, 28 February, 2020.

• Molecules, Materials, Systems: Keynote Speech at SPACEUP, CUSAT KINFRA Hitech Park, Kochi  on 16 February, 2020.

• Functional Materials: Chief guest and Keynote speech at National Science Day Celebrations, St. joseph’s College for Women, Alappuzha, 13 February, 2020.

• Dynamic Combinatorial Chemistry & Combinatorial Technologies: Lecture (Part 1) delivered during Winter School in Basic Sciences for the teachers organised by UGC-Human Resource Development Centre, Kannur University, Thavakkara 02 December, 2019.

• Combinatorial Methods and HighThroughput Screening - in materials research: Lecture (Part 2) delivered during Winter School in Basic Sciences for the teachers organised by UGC-Human Resource Development Centre, Kannur University, Thavakkara 02 December, 2019.

• A World of Smart Materials: Lecture during the national level debate competition 'HEAM Parliamentarian' for school students conducted by International Association at St. John’s College, Anchal, Kollam on 16 October, 2019.

• मानव अंतरिक्ष कार्यक्रम (एचएसपी): चुनौतियां और अनुसंधान के अवसर (भाग 2): अंतरिक्ष विकिरण और अंतरिक्ष यात्री के स्वास्थ्य पर इसका प्रभाव: Lecture (in Hindi) delivered during Hindi Technical Seminar on Human rated Launch Vehicles: Technical Challenges, ISRO centres meet, Indian Institute of Space Science and Technology, Thiruvananthapuram 22-23 October 2019.

• Supramolecular Chemistry and Devices Built on Self Assembly Principles: Lecture series delivered as part of Curriculum based seminar series for Master level students at Department of Chemistry, MG College, Thiruvananthapuram on 24 August, 2019.

•  Supramolecular Chemistry: The Tale of Tailored Intermolecular Interactions: Lecture delivered as part of Curriculum based seminar series at Department of Chemistry, at SD College, Aleppey on 13 July, 2019.

• Molecular Hybridisations in the Design of Modern Materials" Lecture delivered during National Conference on Advanced Functional Materials, Hindu College Nagercoil, February 25-27, 2019.

• One core, many colours: Thiazolylthiophene core for the design of dual state multicolour emitters. Lecture delivered during International conference on optoelectronic and nano materials for advanced technology (icONMAT2019), CUSAT, Kochi, Jan 03-05, 2019.

• Fundamentals of Computational Modeling. Lecture delivered during two day Workshop on ‘Computational Modeling and Drug Design’ organised by SN College, Chengannur, 04-05 April 2018 United we stand. Interactive talk during the Inauguration of Chemistry Association Mar Ivanios College, Thiruvananthapuram on 14.08.2018
• Materials Research from Gravity to Microgravity: Space Manufacturing Becoming A Reality? Lecture delivered during National Seminar on Neoteric Advances in Chemical Sciences (NACS 2018), Department of Chemistry, University of Kerala, October 12 2018
• From Molecules to Materials: The Multiobjective Optimisation Problems in Materials Science and Engineering. Lecture delivered during International Conference on Recent Trends in Materials Science and Technology (ICMST-2018), Thiruvananthapuram Oct 10-13, 2018.
• मानव अंतरिक्ष कार्यक्रम (एचएसपी): चुनौतियां और अनुसंधान के अवसर - शून्य गुरुत्वाकर्षण और मानव जीवविज्ञान पर इसका प्रभाव. Lecture (in Hindi) delivered during Hindi Technical Seminar on Recent Advances in Space Science and Technology, ISRO centres meet, Indian Institute of Space Science and Technology, Thiruvananthapuram 30-31 October 2018.
• Multifunctional Organic Materials Lecture delivered during Two Day National Seminar on Advanced Materials organised by School of Chemical Sciences, Kannur University, 15-16 March 2018
• Heterocyclic organic functional materials. Lecture delivered during National Seminar on Recent Advances in Materials Science (CHEM-RAMS-2018) organised by Department of Chemistry, Holy Cross College, Nagercoil on 16 February 2018
• Organic functional materials: Lecture delivered during National Seminar on Reaching the Unreached Through Science and Technology (RURTST-2018) jointly organised by SN College, Kollam and the Indian Science Congress Association during 12-14 February 2018
• Smart materials: Design and applications. Lecture delivered during National Conference on Recent Trends in Materials Science and Technology organised as part of MRSI outreach program at St Berchmans College, Changanassery during 07-09 February 2018
• Combinatorial methods and high-throughput screening - in materials research. Lecture (Part 2) delivered during National Seminar on Recent Advances in Chemical Sciences PG Department of Chemistry, Government College Madappally, Vadakara on 04 January, 2018
• An introduction to Combinatorial Chemistry. Lecture (Part 1) delivered during National Seminar on Recent Advances in Chemical Sciences PG Department of Chemistry, Government College Madappally, Vadakara on 04 January, 2018
• Molecular Engineering of 1,3-Thiazole: De novo design and synthesis of multiheterocyclic cores for multifunctional materials: . Lecture delivered during Prof. R. H. Sahasrabudhey Birth Centenary Symposium Scientific program CYHOC at Residency Towers, Thiruvananthapuram on 15 December 2017
• Chemistry of tailored intermolecular interactions: From Molecules to Supramolecular Materials. Lecture delivered during interactive session organized by Kerala University Department of Chemistry Alumni Association (KUDoCA) at Department of Chemistry, Kariavattom on 14 December 2017
• Molecular design for smart materials. Lecture delivered during National Conference organised as part of MRSI outreach program at Mar Ivanios College, Thiruvananthapuram during 12 to 14 December 2017
• Chemical sensors for environmental applications. Lecture delivered during NVMACC-2017 at Department of Chemistry, Government College, Chittur on 13 December, 2017
• Multi-objective optimisation problems in Materials Science and Engineering - A Chemist’s Role. Research Colloquium by Department of Applied Science, College of Engineering Kidangoor, March 30, 2017
• Colorimetric sensors for anion detection. Lecture delivered during National Seminar on “Green Chemistry for Environmental Sustainability” organised by Department of Chemistry, Bharata Mata College, Trikkakkara on 08 February 2017
• Dendrimers for theranostic applications. Plenary Lecture International Conference on Nanotechnology (ICON 2017) organised by Nesamony Memorial Christian College, Marthandam during 15-16 February 2017.
• Molecular materials based on heterocycle hybrids for theranostic applications. National Seminar on Recent Advances and Applications in Chemistry (CHEMINO 2017) organised by Department of Chemistry, Annai Velankanni College, Tholayavattom on February 10, 2017.
• Colorimetric sensors for anon detection. National Seminar on Green Chemistry for Environmental Sustainability organised by Department of Chemistry, Bharata Mata College, Trikkakkara on February 08, 2017
• Chemical sensors for environmental applications. NVMACC-2017 at Department of Chemistry, Government College, Chittur on January 13, 2017
• Combinatorial Chemistry – Lecture Series. XXVII Refresher Course in Chemistry, Academic Staff College, University of Kerala, Kariavattom on 04th March, 2015.
• Dynamic Combinatorial Libraries and Drug Design. UGC sponsored National seminar REACS-2015, All Saints College, Thiruvananthapuram on 09, January, 2015
• Dendrimers as tunable nanostructures for regenerative medicine and targeted drug delivery. SPSI-KU sponsored two-day National Seminar on Frontiers in Polymers and Advanced Materials organized by Department of Chemistry, University of Kerala, Kariavattom on 05th November, 2014.
• Combinatorial Chemistry an introduction. KSCSTE sponsored two-day National Seminar on “Green Practices   in Chemistry” organised by Mar Ivanios College, Thiruvananthapuram, during 9- 10, October 2014.
• Trends in Combinatorial Chemistry and Chemoinformatics (Key note address). UGC sponsored Two Day National Seminar, TKM College of Arts and Science, Kollam, 20th-21st March 2014.
• Combinatorial Chemistry- Principle and Design Strategies. UGC sponsored Two Day National Seminar on Trends in Combinatorial Chemistry and Chemoinformatics, TKM College of Arts and Science, Kollam, 20th-21st March 2014.
• Combinatorial Chemistry – Lecture Series. XXVI Refresher Course in Chemistry, ASC, University of Kerala, Kariavattom on 07th March, 2014.
• Concepts in Supramolecular Chemistry. National Conference on Supramolecular Chemistry and Nanomaterials (SUPRANO 13). MSM College, Kayamkulam on 11th December, 2013.
• Supramolecular Materials Chemistry: Application in Materials Design. National Conference on Supramolecular Chemistry and Nanomaterials (SUPRANO 13). MSM College, Kayamkulam on 11th December, 2013.
• Nanomedicine as a promise to the future. Vins Christian Women’s College, Tamilnadu, India on 09th March, 2013.
• Supramolecular Chemistry: from host-guest chemistry towards molecular machines. Fatima Mata National College, Kollam: Diamond Jubilee and IYC Celebrations held at Department of Chemistry, FMN on 08th December 2011.
• Dendrimers as engineered materials for prospective bionano devices. Materials Research Society of India, Trivandrum Chapter: Annual Day Celebrations, held at IIST during July 2010
• Solid phase combinatorial protocols for anticancerous heterocycles and their analogs. Materials Research Society of India, Trivandrum Chapter: Annual Day Celebrations, held at Achutha Menon Centre Auditorium, SCTIMST, Trivandrum on May 15th 2007.

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