INST Faculty Directory

Dr.Tapasi Sen

Scientist C
Educational Qualification:

♦ Ph.D. – Indian Association for the Cultivation of Science, Kolkata, India (Degree awarded by Jadavpur University, Kolkata in December 2011)

♦ M.Sc. - Visva-Bharati University, India (2006)

♦ B.Sc. (Chemistry) - Visva-Bharati University, India (2004, First Class 2nd Rank)

Positions Held/Research Experience:

♦ Post Doctoral Research Fellow – Ben-Gurion University of the Negev, Beer-Sheva, Israel (August 2013 –March 2014).

♦ Post Doctoral Research Assistant – Technische Universität Braunschweig, Braunschweig, Germany (March 2012 –to- May 2013).

♦ Post Doctoral Research Fellow - Indian Association for the Cultivation of Science, Kolkata, India (December 2011 – March 2012).

♦ Visiting Scientist - Weizmann Institute of Science, Israel (November, 2011)

♦ Ph.D. Research Fellow – Indian Association for the Cultivation of Science, Kolkata, India (August 2006 – December 2011).

Research interests

♦ Fabrication of Plasmonic nanostructures based on DNA origami, Nano-Bio-Interactions study using Single-Molecule Fluorescence Spectroscopy, Development of DNA-directed self-assembled Nanoantennas to get strong Fluorescence enhancement for biomolecular assays and sensing applications, Design of nanostructures materials with unidirectional energy transfer for developing efficient light harvesting systems.

Recent Publications

1. Phil Holzmeister, Guillermo P. Acuna, Jürgen J. Schmied, Tapasi Sen, and Philip Tinnefeld “Photophysical Rate Determination of Single Fluorescent Dyes next to Metallic Nanostructures” Nature Communications, 2014, doi:10.1038/ncomms6356

2. Tapasi Sen and Amitava Patra “Recent Advances in Energy Transfer Processes in Gold-Nanoparticle-Based Assemblies” Feature article, J. Phys. Chem. C 2012, 116, 17307-17317.

3. Friederike M. Möller, Phil Holzmeister, Tapasi Sen, Guillermo P. Acuna and Philip Tinnefeld “Angular Modulation of Single-Molecule Fluorescence by Gold Nanoparticles on DNA Origami Templates” Nanophotonics, 2013, 2(3), 167.

4. Krishna Kanta Haldar, Tapasi Sen, Sadananda Mandal and Amitava Patra “Photophysical Properties of Au-CdTe Hybrid Nanostructures of Varying Sizes and Shapes” ChemPhysChem 2012, 13,3989 – 3996.

5. Tapasi Sen, Sadananda Mandal, Shubhasis Haldar, Krishnananda Chattopadhyay and Amitava Patra “Interaction of Gold Nanoparticle with Human Serum Albumin (HSA) Protein Using Surface Energy Transfer” J. Phys. Chem. C 2011, 115, 24037–24044.

6. Tapasi Sen, Santanu Bhattacharyya, Sadananda Mandal and Amitava Patra “Spectroscopic Investigations on the H-Type Aggregation of Coumarin 153 Dye Molecules: Role of Au Nanoparticles and γ- Cyclodextrin” J. Fluoresc. 2012, 22, 303–310.

7. Tapasi Sen and Amitava Patra “Surface energy transfer between nanostructured gold and dye molecules” Int. J. Nanosci. 2011, 10 (1&2), 147-150.

8. Tapasi Sen and Amitava Patra “Steady State and Time Resolved Spectroscopic Study of Confined Dye inside g-CD in Presence of Au Nanoparticles” Int. J. Nanosci. 2011, 10 (4), 1-5.

9. Tapasi Sen, Sreyashi Jana, Subratanath Koner and Amitava Patra “Efficient Energy Transfer between Confined Dye and Y-Zeolite Functionalized Au Nanoparticles” J. Phys. Chem. C 2010, 114, 19667–19672.

10. Santanu Bhattacharyya, Tapasi Sen and Amitava Patra “Host-Guest Energy Transfer: Semiconducting Polymer Nanoparticles and Au Nanoparticles” J. Phys. Chem. C 2010, 114,11787–11795.

11. Tapasi Sen, Krishna Kanta Haldar and Amitava Patra “Quenching of Confined C480 Dye in the Presence of Metal-Conjugated g-Cyclodextrin” J. Phys. Chem. C 2010, 114, 11409–11413.

12. Krishna Kanta Haldar, Tapasi Sen and Amitava Patra “Metal Conjugated Semiconductor Hybrid Nanoparticle-Based Fluorescence Resonance Energy Transfer” J. Phys. Chem. C 2010, 114,4869–4874.

13. Tapasi Sen, Sreyashi Jana, Subratanath Koner and Amitava Patra “Energy Transfer between Confined Dye and Surface Attached Au Nanoparticles of Mesoporous Silica” J. Phys. Chem. C 2010, 114, 707–714.

14. Tapasi Sen and Amitava Patra “Formation of Self-Assembled Au Nanoparticles and the Study of Their Optical Properties by Steady-State and Time-Resolved Spectroscopies” J. Phys. Chem. C 2009, 113, 13125-13132.

15. Tapasi Sen, Krishna Kanta Haldar and Amitava Patra “Au Nanoparticle-Based Surface Energy Transfer Probe for Conformational Changes of BSA Protein” J. Phys. Chem. C 2008, 112, 17945-17951.

16. Krishna Kanta Haldar, Tapasi Sen and Amitava Patra “Au@ZnO Core-Shell Nanoparticles Are Efficient Energy Acceptors with Organic Dye Donors” J. Phys. Chem. C 2008, 112, 11650-11656.

17. Tapasi Sen and Amitava Patra “Resonance Energy Transfer from Rhodamine 6G to Gold Nanoparticles by Steady-State and Time-Resolved Spectroscopy” J. Phys. Chem. C 2008, 112, 3216-3222.

18. Suparna Sadhu, Tapasi Sen and Amitava Patra “Phase and Shape  Controlled Synthesis of CdS Nanocrystals and Their Characterization” J. Nanosci. & Nanotech. 2008, 8, 1238-1243.

19. Pushpal Ghosh, Suparna Sadhu, Tapasi Sen and Amitava Patra “Upconversion emission of BaTiO3 : Er nanocrystals” Bull. Mater. Sci. 2008, 31, 461-465.

20. Tapasi sen, Suparna Sadhu and Amitava Patra “Surface energy transfer from rhodamine 6G to gold nanoparticles: A spectroscopic ruler” Appl. Phys. Lett. 2007, 91, 043104-1.

21. Suparna Sadhu, Tapasi Sen and Amitava Patra “Shape controlled synthesis and luminescence properties of ZnO:Eu3+ nanostructures” Chem. Phys. Lett. 2007, 440, 121-124.

Oral and Poster Presentations in Conferences

1. “Interaction of single fluorophore molecule with Gold and Gold Core - Silver shell nanoparticles on self assembled DNA origami structures” Tapasi Sen, Guillermo P. Acuna, Phil Holzmeister, Lucas Ortiz, Anastasiya Puchkova, Philip Tinnefeld, poster presented in theMolecular Plasmonics 2013, Jena, Germany on 23-25th May, 2013.

2. “Interactions of Gold Nanoparticles with Biomolecules using Fluorescence Spectroscopy” Tapasi Sen, Krishna kanta Haldar, Sadananda Mandal and Amitava Patra, poster presented in the 18th International Workshop on “Single Molecule Spectroscopy and Ultrasensitive Analysis in the Life Sciences”, Berlin-Adlershof, Germany on 5-7th September, 2012.

3. “Resonance energy transfer between dye and QD’s” Tapasi Sen, Krishna kanta Haldar and Amitava Patra, poster presented in the 11th Chemical Research Society of India (CRSI) National Symposium in Chemistry, National Chemical Laboratory, Pune on 6-8th February, 2009.

4. “Resonance energy transfer between dye and QD’s” Tapasi Sen, Krishna kanta Haldar and Amitava Patra, poster presented in the 20th Annual General meeting of the Materials Research Society of India (MRSI AGM-2009), Saha Institute of Nuclear Physics, Kolkata on 10-12th February, 2009.

5. “Interactions of Nanoparticles with Biomolecules using Spectroscopy” Tapasi Sen, Krishna kanta Haldar, Sadananda Mandal and Amitava Patra, poster presented in the Meeting on Chemistry & Physics of Advanced Materials, Kolkata on 28-30th October, 2011.

6.“Protein-nanoparticle interactions by spectroscopy” Sadananda Mandal, Tapasi Sen and Amitava Patra, poster presented in the International Symposium on Advances in Nanomaterials (ANM 2010), Central Glass and Ceramic Research Institute, Kolkata on 6-7th December, 2010.

7. “Metal-Semiconductor Quantum Dots Multifunctional Nanoparticle Based Energy Transfer” Krishna kanta Haldar, Tapasi Sen and Amitava Patra, poster presented in the 12th Chemical Research Society of India (CRSI) National Symposium in Chemistry, Indian Institute of Chemical Technology, Hyderabad on 4-7th February, 2010.

8. “Quantum-Dot Based Resonance Energy Transfer” Tapasi Sen, Krishna kanta Haldar and Amitava Patra, poster presented in the Foundation Day, Indian Association for the Cultivation of Science, Kolkata on July 29, 2009.

9. “Synthesis and characterization of nanophotonic materials” Pushpal Ghosh, Tapasi Sen, Krishna Kanta Haldar, Suparna Sadhu and Amitava Patra, poster presented in Centre for Advanced materials, Indian Association for the Cultivation of Science, Kolkata on 13th July 2007.

10. “Interactions of Nanoparticles with Biomolecules using Spectroscopy” Tapasi Sen, Krishna kanta Haldar, Sadananda Mandal and Amitava Patra, poster presented in the Meeting on Chemistry & Physics of Advanced Materials, Kolkata on 28-30th October, 2011.

Awards & Honors :

Best poster Award, “Resonance energy transfer between dye and QD’s” Tapasi Sen, Krishna kanta Haldar and Amitava Patra, presented in the 11th Chemical Research Society of India (CRSI) National Symposium in Chemistry, National Chemical Laboratory, Pune on 6-8th February, 2009.

Best poster Award, “Resonance energy transfer between dye and QD’s” Tapasi Sen, Krishna kanta Haldar and Amitava Patra, presented in the 20th Annual General meeting of the Materials Research Society of India (MRSI AGM-2009), Saha Institute of Nuclear Physics, Kolkata on 10-12th February, 2009.

Best poster Award, “Protein-nanoparticle interactions by spectroscopy” Sadananda Mandal, Tapasi Sen and Amitava Patra, presented in the International Symposium on Advances in Nanomaterials (ANM 2010), Central Glass and Ceramic Research Institute, Kolkata on 6-7th December, 2010.

♦ Awarded CSIR – NET (National Eligibility Test) conducted by Council of Scientific & Industrial Research, India on December, 2005.

♦ Awarded GATE-2006 (Graduate Aptitude Test for Engineering) (All India rank: 61) conducted by Indian Institute of Technology.

♦ Awarded JAM-2004 (Joint Admission Test to M.Sc.) (All India rank: 68) conducted by Indian Institute of Technology.

CONTACT INFORMATION :

Tel: 0172 - 2210075
Email Id : tapasi(at)inst(dot)ac(dot)in

Office Address :

Institute of Nano Science & Technology
Habitat Centre, Sector - 64, Phase X, Mohali