ABOUT

Dr. VENKATESH

Current Designation: Research Associate, STAR Lab, SSSIHL, Prasanthi Nilayam, Puttaparthi, AP, India

Ph.D.

M.Phil.

M.Sc.

B.Sc.(HONS)

Doctor of Philosophy (2014-16)

Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, Andhra Pradesh, India.

Thesis Title: Neoteric Advancements in Surface Plasmon-Coupled Emission Platform.

Master of Philosophy (2012-14)

Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, Andhra Pradesh, India.

Thesis Title: Synthesis of Nanostructures for Plasmonic and Electrochemical Applications.

Master of Science (2010-12)

Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, Andhra Pradesh, India.

Dissertation Title: Synthesis of nano thin films and biogenic nanoparticles for their tunable collusion with drugs against pathogens.

Bachelor of Science Honors (2007-10)

Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Whitefield, Bangalore, India.

RESEARCH ASSOCIATE

RESEARCH ASSOCIATE

Sri Sathya Sai Institute of Higher Learning, India
August 2017 – April 2018
Research work on: Novel analytical methods for detection of proteins and DNA.
 
Center for Advanced Sensor Technology (CAST),
Department of Chemical, Biochemical & Environmental Engineering, Technology Research Center (TRC), University of Maryland Baltimore County, Baltimore, MD, USA.
February 2017 – July 2017
Research work on:  “Development of Sensitive Protein Analysis Techniques” for a DARPA funded project.
Core Areas of Expertise: Plasmonics and Microfluidics

•    Experience in generating nanometer sized silver islands or continuous films on glass substrates by a solution deposition procedure, to exhibit plasmonic features. 
•    Trained in Finite-Deference Time-Domain (FDTD) simulation software which is a high performance 3D FDTD-method Maxwell solver for the design, analysis and optimization of nanophotonic devices, processes and materials. (Lumerical Solutions Inc., Vancouver, Canada).
•    Experience in synthesis of silver and gold nanoparticles through chemical and biological methods and evaluation of their effect on efficiency of commercial antimicrobial drugs.
•    Design of nanometer thin polymer films for in-situ generation of silver nanoparticles.
•    Experience in electrochemical methods like cyclicvoltammetry and chronoamperometry towards sensing applications catalyzed by gold nanoparticles.
•    Experience in writing book chapter and also in writing proposals to funding agencies.

•    Experience in writing journal articles and in writing proposals to funding agencies. 

 

YOUNG SCIENTIST AWARD

PHYSICS-RUNNERUP

Awarded by Dr. K. V. Rao Scientific Society, Hyderabad, India (2015-16)
For excellence in research entitled “1-Minute cavity engineering for >1000-fold enhancements in surface plasmon-coupled emission: A Mobile Phone Based Next-Gen Plasmonics Approach”.

Book Chapter:


Sai Sathish Ramamurthy, S Venkatesh and Yordan Kostov, Book chapter entitled “Solution-Deposited Plasmonic Nanofilms and Their Applications” in “Handbook of functional nanomaterials”, 2014, Vol-1, Chapter 17, pg- 333-348, Nova Science Publishers, New York, USA. ISBN: 978-1-62948-365-8.

Journal publications:

 

  1. Seemesh Bhaskar, Naga Sai Visweswar Kambhampati, K. M. Ganesh, Mahesh Sharma P, S Venkatesh*, and Sai Sathish Ramamurthy*. Metal-Free, Graphene Oxide-Based Tunable Soliton and Plasmon Engineering for Biosensing Applications. ACS Applied Materials and Interfaces. March 2021. DOI: 10.1021/acsami.1c01024.

  2. Sai Prasad Nayak, S Venkatesh, Pradeep Kumar Badiya, Kiran Kumar JK, Sai Sathish Ramamurthy. Engineering metal-dielectric Nanostructures involving Silver Decorated Halloysite for Augmented Surface Plasmon-Coupled Emission. Physics E: Low-dimensional Systems and Nanostructures. 2021, 131, 114718. [DOI: 10.1016/j.physe.2021.114718]

  3. Bebeto Rai, Prasad V. Sarma, S Venkatesh, Manikoth M. Shaijumon, and Sai Sathish Ramamurthy. Engineering of Exciton–Plasmon Coupling Using 2D-WS2 Nanosheets for 1000-Fold Fluorescence Enhancement in Surface Plasmon-Coupled Emission Platforms. Langmuir. ACS Publications. 2021, 37, 5, 1954–1960.[DOI: 10.1021/acs.langmuir.0c03465]

  4. Seemesh Bhaskar, Maku Moronshing, S Venkatesh, Pradeep Kumar Badiya, Chandramouli Subramaniam, Sai Sathish Ramamurthy. Silver Soret Nanoparticles for Femtomolar Sensing of Glutathione in a Surface Plasmon-Coupled Emission Platform. ACS Applied Nano Materials, 2020, 3, 5, 4329-4341. DOI: 10.1021/acsanm.0c00470. 

  5. Seemesh Bhaskar, Ramay Patra, N. Charan  S. S. Kowshik, K. M. Ganesh, S Venkatesh, Prathap Chandran S, Sai Sathish Ramamurthy. Nanostructure effect on quenching and dequenching of quantum emitters on surface plasmon-coupled interface: A comparative analysis using gold nanospheres and nanostars. Physics E: Low-dimensional Systems and Nanostructures. 2020, 124, 114276. [Impact factor = 3.57]

  6. Seemesh Bhaskar, Pratyusha Das, S Venkatesh, Sai Sathish Ramamurthy. Bloch Surface Waves and Internal Optical Modes-Driven Photonic Crystal-Coupled Emission Platform for Femtomolar Detection of Aluminum Ions. The Journal of Physical Chemistry C, 2020, 124, 13, 7341-7352. DOI: 10.1021/acs.jpcc.9b11092.; Cover page: https://pubs.acs.org/toc/jpccck/124/13 

  7. S Venkatesh, Sai Gourang Patnaik, Abhay Andar, Noriyoshi Matsumi, Govind Rao and Sai Sathish Ramamurthy. Fractal carbon islands on plastic substrates for enhancement in directional and beaming fluorescence emission. ACS Applied Nano Materials. 2019. 2, 10, 6103-6109. DOI: 10.1021/acsanm.9b01535.

  8. Abhay Andar, Md-Sadique Hasan, S Venkatesh, Mustafa Al-Adhami, Erick Gutierrez, David Burgenson, Xudong Ge, Leah Tolosa, Yordan Kostov, Govind Rao. Wood Microfluidics. ACS Analytical Chemistry, 2019. [Impact Factor = 6.35]

  9. S Venkatesh, Abhay U. Andar, Yordan Kostov and Govind Rao. Spacer and cavity engineering on low-cost plastic substrates for 100-fold enhancements in metal-dielectric-metal-based directional fluorescence emission. Plasmonics, 2018. [Impact Factor = 2.366]

  10. Badiya P K, Tejkiran P J, S Venkatesh and Sai Sathish Ramamurthy. Spacer layer engineering for ultrasensitive Hg(II)  detection on surface plasmon coupled emission platform. Nanotechnology reviews, 2017, 6 (4). [Impact Factor = 2.044]

  11. Badiya P K, S Venkatesh and Sai Sathish Ramamurthy. Silver-graphene oxide based plasmonic spacer for surface plasmon-coupled fluorescence emission enhancements. Materials Research Express, 2017, 4, 1-6. [Impact Factor = 1.068]

  12. Badiya P K, S Venkatesh, Naik S P, Bebeto Rai, Narendra Reddy, Chandran S P, Muthukumar V S, Molli M, Sai Sathish Ramamurthy. Low-cost plasmonic carbon spacers for surface plasmon-coupled emission enhancements and ethanol detection: A smartphone approach. Plasmonics, 2017. [Impact Factor = 2.366]

  13. Badiya P K, Patnaik S G, S Venkatesh, Reddy N, Manohar C S, Vedarajan R, Matsumi N, Belliraj S K, Sai Sathish Ramamurthy. Ag-protein plasmonic architectures for surface plasmon-coupled emission enhancements and Fabry-Perot mode-coupled directional fluorescence emission. Chemical Physics Letters, 2017, 685, 139-145. [Impact Factor = 1.686]

  14. S Venkatesh, Manne Anupam Kumar, Sai Gourang Patnaik, Sai Sathish Ramamurthy. Cellphone Monitoring of Multi-Qubit Decay in Tunable Coupling Regimes with Attomolar Sensitivity. ACS Applied Materials & Interfaces, 2016, 8, 23281. [Impact Factor = 8.097]

  15. S Venkatesh, Dnyanesh V, Garima J, Dinesh J, Sai Sathish Ramamurthy. Earth Abundant Iron-Rich N-Doped Graphene Based Spacer and Cavity Materials for Surface Plasmon-Coupled Emission Enhancements. ACS Applied Materials & Interfaces, 2016, 8, 12324. [Impact Factor = 8.097]

  16. S Venkatesh, Pradeep Kumar Badiya and Sai Sathish Ramamurthy. Low-dimensional carbon spacers in surface plasmon-coupled emission with femtomolar sensitivity and 1000-fold fluorescence enhancements. Chemical Communication, 2015, 51, 7809. [Impact factor: 6.29]

  17. S Venkatesh and Sai Sathish Ramamurthy. Purcell Factor: A Tunable Metric for Plasmon-Coupled Fluorescence Emission Enhancements in Cermet Nanocavities. Journal of Physical Chemistry C, 2016, 120, 2908. [Impact factor: 4.484] (Cover page graphics issue dated – 11th Feb 2016) 

  18. S Venkatesh, Pradeep Kumar Badiya and Sai Sathish Ramamurthy. Purcell factor based understanding of enhancements in surface plasmon-coupled emission with DNA architectures. Physical Chemistry Chemical Physics, 2016, 18, 681. [Impact factor: 3.906] 

  19. Pradeep Kumar Badiya, S Venkatesh, Jayakumar T P and Sai Sathish Ramamurthy. Ag-CNT architectures for attomolar dopamine detection and 100-fold fluorescence enhancements with cellphone-based surface plasmon-coupled emission. ChemPhysChem., 2016, 17, 2791-2794. [Impact factor: 2.947] (Link)(Cover page graphics – DOI: 10.1002/cphc.201600914) 

  20. S Venkatesh, Ghajesh S and Sai Sathish Ramamurthy. 1-Minute Spacer Layer Engineering for Tunable Enhancements in Surface Plasmon-Coupled Emission. Plasmonics, 2015, 10, 489. [Impact factor: 2.366]

  21. Mulpur P, Vemula S K, Lingam K, S Venkatesh, Sai Sathish Ramamurthy, K. Venkataramaniah and Rao A M (2012). Ultra-Amplification of Surface Plasmon Coupled Emission Using an Engineered Graphene Silver Thin Film Hybrid. International Conference on Fibre Optics and Photonics (December 9-12, 2012) published in The Optical Society (OSA) proceedings. 

 

Conferences: Poster & oral presentations:

  1. Bebeto Rai, S Venkatesh, Robert Malmberg, Dominik Suter, Koushik Venkatesan and Sai Sathish Ramamurthy. Plasmonics-based O2 uptake monitoring in COVID-19 recovered patients.  Poster presentation. Student Conference on Advances in Optics SCAO 202.  Feb 4-5th, 2021-TIFR Mumbai.

  2. S Venkatesh, Seemesh Bhaskar, Sai Sathish Ramamurthy. Graphene-doped polymer composites as plasmonic spacer material for high spectral resolution of H and J dimers of Rhodamine 6G. National conference on current trends and advances in chemical science. CTACS-19. 19th September 2019, Department of Chemistry, Government Arts college for women, Salem, India.

  3. Sai Prasad Nayak, S Venkatesh, JK Kiran Kumar, Sai Sathish Ramamurthy. Plasmonic silver nanoparticles based detection of spermine with nanomolar sensitivity. National conference on Advanced Materials & Applications, 7th September 2018, Auxilium College, Vellore, India.

  4. S Venkatesh, Sai Sathish Ramamurthy. Ultra-fast room-temperature qubit emission engineering using semiconducting spacer materials towards efficient dye sensitized solar cells. CEMAT 2016, 18-20th July 2016 at Indian Institute of Science, Bangalore.

  5. Tejkiran P J, S Venkatesh, Sai Sathish Ramamurthy. 2D graphene thin films doped with carbon quantum dots for several hundred fold amplification of electron oscillation rate. CEMAT 2016, 18-20th July 2016 at Indian Institute of Science, Bangalore.

  6. S Venkatesh, Pradeep Kumar Badiya, Tejkiran P J, Sai Sathish Ramamurthy. Mobile phone based Nex-gen Plasmonics. Bangalore India Nano 2016. 3-5th March 2016, Bangalore. Organized by Nano Department of IT, BT and S & T Karnataka and JNCASR. 

  7. S Venkatesh and Sai Sathish Ramamurthy. Evaluation of Proton Transport Materials. As part of Sakura Science Exchange Program, on 30th July 2015 at Japan Advanced Institute of Science and Technology, Tokyo Satellite campus, Minato-ku, Tokyo, Japan.

  8. Pradeep Kumar Badiya, Tejkiran P J, S Venkatesh, Sai Sathish Ramamurthy. Silver–Graphene Oxide Nanocomposite: A Novel Plasmonic Spacer. Bangalore India Nano 2016. 3-5th March 2016, Bangalore. Organized by Nano, Department of IT, BT and S & T Karnataka and JNCASR.

  9. Tejkiran PJ, S Venkatesh, Sai Sathish Ramamurthy. Real Time Monitoring of Trace metal ions by Surface Plasmon-Coupled Emission, International Chemie Conference 2016, 12-13th February 2016, organized by Tata Chemicals Ltd and SSSIHL.

  10. S Venkatesh and Sai Sathish Ramamurthy. Modified Solution Deposition of Continuous Silver Thin Film for Plasmonic Waveguide Applications, International Chemie Conference 2016, 12-13th February 2016, organized by Tata Chemicals Ltd and SSSIHL.

  11. S Venkatesh, Dnyanesh Vernekar, Garima Jaiswal, Dinesh Jagadeesan and Sai Sathish Ramamurthy. Magnetic Nanoparticles as Spacers for Tunable Enhancements in Surface Plasmon-Coupled Emission at International Conference on Nanoscience and Nanotechnology, 29th February-2nd March at IISER, Pune organized by Nanomission, DST, Govt. of India.

  12. S Venkatesh, Srikanth Mandava, Lisa Nayak, Sai Sathish Ramamurthy, and Neeleswar S. Novel Magnesium oxide nanoparticles for Enhancements in surface plasmon-coupled emission. International Conference on Frontiers in Nano Science, Technology and Applications  FiNSTA 2014, Dept. of Physics, SSSIHL, India.

  13. S Venkatesh and Sai Sathish Ramamurthy, Mobile-phone based Surface Plasmon-Coupled Emission Platform. International Conference on Frontiers in Nano Science, Technology and Applications  FiNSTA 2014, Dept. of Physics, SSSIHL, India.

  14. S Venkatesh, Srikanth Mandava, Lisa Nayak, Sai Sathish Ramamurthy, and Neeleswar S. Novel Synthesis of Nanoparticles for Enhancements in Surface Plasmon Coupled Emission. International Conference on Fibre Optics and Photonics 2014, M4A.44, Kharagpur, India.

  15. Mulpur P, Vemula S K, Lingam K, S Venkatesh, Sai Sathish Ramamurthy, K. Venkataramaniah and Rao A M. Ultra-Amplification of Surface Plasmon Coupled Emission Using an Engineered Graphene Silver Thin Film Hybrid poster presented in Photonics 2012 (International Conference on Fiber Optics and Photonics), Dec 9-12th at IIT Madras.

  16. Mulpur P, Vemula S K, Lingam K, S Venkatesh, Sai Sathish Ramamurthy, K. Venkataramaniah and Rao A M. Ultra-Amplification of Surface Plasmon Coupled Emission in Graphene-Silver Hybrid Films. APS March meeting, Bulletin of the American Physical Society, 2013, 58, 1.

  17. S Venkatesh, Sai Sathish Ramamurthy. Effect of size of gold nanoparticles on Surface Plasmon coupled Emission. Abstract selected for poster presentation at ICONSAT-2014 (International conference on Nano Science and Technology), March 3-5th at Chandigarh.