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Dr. Nebu John

Dr. Nebu John, Assistant Professor and Research Guide
Dr. Nebu John, Assistant Professor and Research GuideM.Sc, B.Ed, Ph.D

Areas of Specialization: Group Theory, Nano Chemistry, Coordination Chemistry, Spectroscopy
Areas of Research Interest:  Nanochemistry, Material Chemistry, Chemical Sensors, Drug Delivery, SERS and Imaging.
Guideship Details:  Mahatma Gandhi University approved guide
Fellowships:  Junior Research Fellow in 2010 (CSIR-UGC)

Departments

Publications
1. Erlotinib conjugated gold nanocluster enveloped magnetic iron oxide nanoparticles- a targeted probe for imaging pancreatic cancer cells John Nebu., J.S. Anjali Devi., R.S. Aparna., K.Abha., George Sony* Sensors and Actuators B: Chemical 257 1035- 1043 2018
https://doi.o rg/10.1016/j. snb.2017.11. 017 IF=6.393, citation= 12
2. Understanding plasmonic heattriggered drug release from gold based nanostructure John Nebu., George Sony* Jounal of Drug Delivery Science and Technology 46 294- 301 2018
https://doi.o rg/10.1016/j. jddst.2018.0 5.036, IF=2.606, citation= 1
3. Fluorescence turn-on detection of fenitrothion using gold nanoparticle quenched fluorescein and its separation using superparamagnetic iron oxide nanoparticle John Nebu., J.S. Anjali Devi., R.S. Aparna., B. Aswathy., G.M. Lekha., George Sony* Sensors and Actuators B: Chemical 277 271-80 2018
https://doi.org/10.1016/j. snb.2018.08. 153 IF= 6.393, citation= 9
4. Fluorometric determination of morphine via its effect on the quenching of fluorescein by gold nanoparticles through a surface energy transfer process John Nebu., J.S. Anjali Devi., R.S. Aparna., B. Aswathy., A.O. Aswathy., George Sony* Microchimica Acta 185 532 2018
https://link.springer.com/ article/10.10 07/s00604- 018-3050-9 IF=5.479 citation= 1
5. Blue emitting copper nanoclusters as colorimetric and fluorescent probe for the selective detection of bilirubin R.S. Aparna., J.S. Anjali Devi., John Nebu., K. Abha., S.S. Syamchand., George Sony* Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 199 123- 129 2018 https://doi.o rg/10.1016/j. saa.2018.03. 045 IF=2.931, citation= 6
6. Fluorescence turn on detection of bilirubin using Fe (III) modulated BSA stabilized copper nanocluster; A mechanistic perception’ M. Jayasree., R.S. Aparna., R.R. Anjali., J.S. Anjali Devi., John Nebu., K. Abha., A. Manikandan., George Sony* Analytica Chimica Acta 103 1 152- 160 2018
https://doi.org/10.1016/j. aca.2018.05. 026 IF=5.256 citation=12
7. Potassium triiodidequenched gold nanocluster as a fluorescent turn-on probe for sensing cysteine/homocysteine in human serum John Nebu., J.S. Anjali Devi., R.S. Aparna., B. Aswathy., G.M. Lekha., George Sony. Analytical and Bioanalytical Chemistry 411 997- 1007 2019 https://link.s pringer.com/ article/10.10 07/s00216- 018-1511-y IF=3.286, citation= 2
8. Pottasium triiodide enhanced turn-off sensing of tyrosine in carbon dot platform John Nebu., K. Soman Anu., J.S. Anjali Devi., R.S. Aparna., A. O. Aswathy., G.M. Lekha., George Sony* Microchemical Journal 146 12-19 2019 https://doi.o rg/10.1016/j. microc.2018. 12.021 IF=3.206, citation= 3
9. ‘Photoluminescence sensing of bilirubin in human serum using lcysteine tailored manganese doped zinc sulphide quantum dots’ K. Abha., John Nebu., J.S. Anjali Devi., R.S. Aparna., R.R. Anjana., A.O. Aswathy., George Sony Sensors and Actuators B: Chemical 282 300- 208 2019
https://doi.org/10.1016/j.snb.2018.11. 063, IF= 6.393, citation= 4
10. Reversible fluorescence modulation of BSA stabilized copper nanocluster for the selective detection of protamine and heparin R.S. Aparna., J.S. Anjali Devi., R.R. Anjana., John Nebu., George Sony* Analyst 144 1799- 1808 2019
https://doi.org/10.1039/C 8AN01703D IF=4.019, citation= 13
11. Understanding the citric acid-urea codirected microwave assisted synthesis and ferric ion modulation of fluorescent nitrogen doped carbon dots- a turn on assay for ascorbic acid J.S. Anjali Devi., R.S. Aparna., B. Aswathy., John Nebu., A.O. Aswathy., George Sony* Chemistry Select 4 816- 824 2019
https://doi.org/10.1002/s lct.20180372 6, IF=1.716, citation= 3
12. Zn(II) ion modulated red emitting copper nanocluster probe for the fluorescence turn on sensing of RDX R.S. Aparna., J.S. Anjali Devi., R.R. Anjana., John Nebu., George Sony Sensors and Actuators B: Chemical 291 298- 305 2019
https://doi.org/10.1016/j. snb.2019.04. 051 IF=6.393, citation= 3
13. Rapid Response of Dopamine towards Insitu Synthesised Copper Nanocluster in Presence of H2O2. Syamchand, and Sony George*. Photobiology A: Chemistry Aparna, R.S., J.S. Anjali Devi, John Nebu, S.S Journal of Photochemistry and 379 63-71 2019
https://doi.org/10.1016/j. jphotochem. 2019.04.043, IF= 3.261, citation= 4
14. Solvent Effects: A Signature of J- and HAggregate of Carbon Nanodots in Polar Solvents. Anjali Devi, J. S., R. S. Aparna, R. R. Anjana, John Nebu, S. Madanan Anju, and Sony George* The Journal of Physical Chemistry A 123 7420- 7429 2019
https://pubs.acs.org/doi/1 0.1021/acs.j pca.9b04568 IF=2.641, citation= 1
15. Recent development in the chiroptical properties of chiral plasmonic gold nanostructures: bioanalytical applications, Nebu John & Anslin Thankachan Mariamma, Microchimica Acta, Springer Nature, vol 188, https://doi.org/10.1007/s00604-021-05066-8, year 2021
16. New Trends in Gold Nanostructure- based SERSSubstrate: From Fundamental to Biomedical Applications, Nebu John & Anslin Thankachan Mariamma, Vibrational Spectroscopy published by Elsevier, vol 124, https://doi.org/10.1016/j.vibspec.2022.103477, year 2022
Paper Presented in Seminars/Conferences
1. Synthesis and Characterization of 5- fluorouracil loaded stearic acid coupled Pluronic F127 conjugated with gold and silver nanoparticles Nebu John, Sony George 27th Kerala Science congress organized by KSCSTE 2015
2. Synthesis and Characterization of folic acid reduced gold nanoparticles incorporated stearic acidPluronic F127 nanocomposite for targeted drug delivery’. Oral presentation in the International Conference on Advances in Functional Materials Nebu John, Praveen G.L., Sony George Advances in Functional Materials (Sponsored by UGC & SIU, Norway) organized by Central University, Tamil Nadu & Anna University, India 2017
3. Synthesis of Folic acid reduced gold nanoparticle-Pluronic F127 system for plasmonic heating induced triggered drug release. (Got third prize in paper presentation). Nebu John, Praveen G.L., Sony George New Trends in Applied Chemistry (Sponsored by KSCSTE, ACS, DRDO, DST-Govt of India & Prof. K.V. Thomas Endowment Trust) organized by Department of Chemistry, Sacred Heart College, Thevara, Kerala. 2017
4. ‘Folic acid reduced gold nanostructure for plasmonic heating induced triggered drug’ release’. Nebu John, Sony George National Seminar on Frontiers in Biotechnology- Molecular, Epigenetic and Genomic Research platforms in Healthcare and Food Security organized by Inter University centre for Genomics and Gene Technology, Department of Biotechnology, University of Kerala 2017
5. ‘Pancreatic cancer cell targeted magnetic iron oxide core enveloped with fluorescent gold nanocluster for bioimaging Nebu John, J.S. Anjali Devi, R.S. Aparna, K. Abha, Sony George Advanced Materials organized by Department of Chemistry, School of Physical and Mathematical Sciences, University of Kerala 2017
6. ‘Superparamagnetic iron oxide-gold nanocluster coreshell structure- a probe for imaging pancreatic cancer’ (Got best poster presentation award). Nebu John, J.S. Anjali Devi, R.S. Aparna, K. Abha, Sony George International Seminar on Advances in Photo Responsive Materials organized by Maharajas College, Ernakulam 2017
7. Superparamagnetic Iron oxide core enveloped with fluorescent gold nanocluster – a probe for imaging pancreatic cancer cell (Got best poster presentation MRSI award). Nebu John, Sony George National Seminar on Advanced functional Materials (NSAFM 2017) jointly organized by Materials Research Society of India and PG Department of Chemistry and Physics, Mar IVanios College, Thiruvananthapuram 2017
Book Chapters
Raman Spectroscopy in Spectroscopic Methods for Nanomaterials, John Nebu., George Sony Doi: 2017 978-0-323-46140-5
Awards and Honors
Nebu John, Praveen G.L., Sony George⁎, “Synthesis of Folic acid reduced gold nanoparticle-Pluronic F127 system for plasmonic heating induced triggered drug release” in the International Symposium on New Trends in Applied Chemistry (Sponsored by KSCSTE, ACS, DRDO, DST-Govt of India & Prof. K.V. Thomas Endowment Trust) organized by Department of Chemistry, Sacred Heart College, Thevara, Kerala on 09-11 February 2017. (Got third prize in paper presentation).
Nebu John, J.S. AnjalivDevi, R.S. Aparna, K. Abha, Sony George⁎, “Superparamagnetic iron oxide-gold nanocluster core-shell structure- a probe for imaging pancreatic cancer” in an International Seminar on Advances in Photo Responsive Materials organized by Maharajas College, Ernakulam, Kerala on 14-15 November 2017. (Poster Presentation). (Got best poster presentation award)
Nebu John, Sony George, “Superparamagnetic Iron oxide core enveloped with fluorescent gold nanocluster – a probe for imaging pancreatic cancer cell” in the National Seminar on Advanced functional Materials (NSAFM 2017) jointly organized by Materials Research Society of India and PG Deparment of Chemistry and Physics, Mar IVanios College, Thiruvananthapuram on 12-14 December 2017 (Got best poster MRSI award).
Third prize in paper presentation on New Trends in Applied Chemistry (Sponsored by KSCSTE, ACS, DRDO, DST-Govt of India & Prof. K.V. Thomas Endowment Trust organized by Department of Chemistry, Sacred Heart College, Thevara, Kerala on 09-11 February 2017.
Best Poster Presentation award in the International Seminar on Advances in Photo Responsive Materials organized by Maharajas College, Ernakulam, Kerala on 14-15 November 2017.
Best Poster presentation award in the National Seminar on Advanced functional Materials (NSAFM 2017) jointly organized by Materials Research Society of India and PG Deparment of Chemistry and Physics, Mar IVanios College, Thiruvananthapuram on 12-14 December 2017.
Projects Undertaken
Synthesis and Characterization of multifunctional metal nanoparticle and its customized application in the field of medicine, Minor UGC-Minor Project, MRP(S)-0331/12- 13/KLMG035/UGCSWRO (Completed)

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