Research output before joining at IIT Patna

Journal Publications:

• V. R. Dantham, S. Holler, D. Keng, V. Kolchenko, S. Arnold,  “Label-free detection of single protein using a nanoplasmonic – photonic hybrid microcavity”, Nano Letters, 13, 3347 (2013).
  • This is the first report on real time detection of single protein molecule with high signal to noise ratio.
  • Appeared in Polytechnic Institute of New York University top stories
  • Appeared in SPIE News Room
  • To be appeared in the New York University Magazine

In addition this invention has been highlighted in the following Science News articles

MedGadget	Nanotechnology News
Science News in Science Daily	Nanowerk
EurekAlert	e! Science News
Health and Medicine News on “Futurity” article	Feed my Science
Science News line medicine &Health care	Nano: The magazine for small Science
Bio-Medicine	Bio-Optics World
The Edge research news	Photonics News

• V. R. Dantham, S. Holler, V. Kolchenko, Z. Wan, and S. Arnold, “Taking whispering gallery-mode single virus detection and sizing to the limit,” Appl. Phys. Lett. 101, 043704 (2012).

This invention has been highlighted in the following web pages, magazines, and few special articles

American Institute of Physics (AIP) research highlights	American Institute of Physics top-stories
Stood in third position in most read articles published in 2012	Polytechnic Institute of New York University top stories
National Science Foundation (NSF) research highlights	Fordham university top stories
Special article on breakthroughs in biosensors in 2012	Polytechnic institute of NYU Alumni Magazine

In addition, this invention appeared in the following Science news articles

Science News in Science Daily	Genetic Engineering and Biotechnology news
MedGadget	SPIE News Room
EurekAlert	Diagnostic Supplies
Kurzweil Accelerating Intelligence	Nanowerk
Health and  Medicine News  on “Futurity” article	BioPhotonics
Futurity Health and Medicine	BioOptics World

American Institute of Physics made a small video on this invention and showed on the televisions of the United States of America.
http://www.youtube.com/watch?v=FzaZVWqxQ9E

• S. Arnold, V. R. Dantham, C. Barbre, B. A. Garetz, and X. Fan, “Periodic plasmonic enhacing epitopes on a whispering gallery mode biosensor”, Opt. Express 20, 26147 (2012).
  • This article stood in 6th position in top download articles
  • Selected for Virtual Journal of Bio-Medical Optics, volume 7, issue 12 (2012)
• V. R. Dantham, P. B. Bisht and C. K. R. Namboodiri, “Enhancement of Raman scattering by two orders of magnitude by using photonic nanojet of a single microsphere,” J. Appl. Phys., 109, 103103 (2011).
  • USA patent is filed on this work and it is selected for INVENTION AWARD
  • Appeared in the Nature India News, doi:10.1038/nindia.2011.87.
  • Presentation based on this work won the merit prize in international conference
  • V. R. Dantham, S. Holler, V. Kolchenko, Z. Wan and S. Arnold, “Microcavity virus detection and sizing with molecular sensitivity ”, Proc. SPIE8600, Laser resonators, and Beam Control XV, 86001P (2013), doi: 10.1117/12.2003098.
  • S. Holler, V. R. Dantham, V. Kolchenko, Z. Wan, and S. Arnold, “A hybrid plamonic whispering gallery mode sensor for single bionanoparticle detection”, Proc. SPIE 8722, Fibre Optic Sensors and Applications X, 87220T (2013); doi: 10.1117/12.2015506.
  • S. Holler, S. Arnold, and V. R. Dantham, “A single nanoplasmonic sensor detects cancer proteins at the single molecule level”, SPIE Newsroom, DOI: 10.1117/2.1201309.005131
  • W. Selesnick, S. Arnold, and V. R. Dantham, “Polynomial smoothing of time series with additive step discontinuities”, IEEE Trans. Signal Process., 60(12):6305–6318 (2012).
  • V. R. Dantham, P. B. Bisht, B. S. Kalanoor, T. T. Baby, S. Ramaprabhu, “Restricting charge transfer in dye-graphene system”, Chem. Phys. Lett. 521, 130 (2012).
  • V. R. Dantham and P. B. Bisht, “Influence of whispering gallery modes (WGMs) on energy transfer,” Chem. Phys. 388, 38 (2011).
  • V. R. Dantham, P. B. Bisht, and P. S. Dobal, “Whispering gallery modes and the effect of coating on the Raman spectra of single microspheres,” J. Raman. Spec., 42, 1373 (2011).
  • V. R. Dantham and P. B. Bisht, “Modification of radiative rates of molecules coated on a single microcavity by evanescent coupling of whispering gallery modes (WGMs),” Eur. Phys. J. Appl. Phys., 51, 20902 (2010).
  • Y. L. N. Moorthy, V. Christopher, U. V. Prasad, P. B. Bisht, V. R. Dantham, B. S. Kalanoor and S. A. Ali, “Synthesis and study of nonlinear optical properties of 4-substituted benzylidene-2-phenyl oxazol-5-ones by Z-scan technique,” Synthetic metals, 160, 535 (2010).
  • V. R. Dantham and P. B. Bisht, “High-Q whispering gallery modes of doped and coated single microspheres and their effect on radiative rate,” J. Opt. Soc. Am. B, 26, 290 (2009).
    • This article is selected for the virtual journal of biomedical optics, Volume 4, Issue 4 (2009)
      
  • V. R. Dantham and P. B. Bisht, “Studies of whispering gallery modes of single, coated microspheres by steady-state and time-resolved laser fluorescence microscopy,” J. Phys.: Conf. Series, 185, 012006 (2009).

  International and National Conference Proceedings:

  • B. S. Reddy, B. S. Kalanoor, P. B. Bisht, V. R. Dantham, T. T. Baby, and S. Ramaprabhu, "Ultrafast charge transfer in silver-decorated wrinkled graphene," in International Conference on Fibre Optics and Photonics, OSA Technical Digest (online) (Optical Society of America, 2012), paper MPo.28.
  • C. K. R. Namboodiri, V. R. Dantham and P. B. Bisht, “Enhancement of Raman peaks by three dimensional confinement of light using single microspheres”, Proc. of International Conference on Futuristic Science & Technology in Frontier areas & 2nd Annual Conference of Indian JSPS Alumni Association, Thiruvananthapuram, Kerala, August 5-6, 2011,pp. 101.
  • V. R. Dantham and P. B. Bisht, “Enhancement of Förster resonance energy transfer (FRET) in single optical microcavities”, Proc. of 98th Indian Science Congress: Physical Sciences, Chennai, Jan 3-7, 2011, pp.114.
  • V. R. Dantham, P. B. Bisht and P. S. Dobal “Studies of single optical microcavities by using laser Raman microscopy”, Proc. of DAE-BRNS National Laser Symposium (NLS-19), Indore, Dec. 1-4, 2010, pp. 91.
  • V. R. Dantham and P. B. Bisht, “Laser scanning confocal fluorescence microscopy”, Proc. of 50 Years of Lasers, IIT madras, Oct. 30, 2010, pp. 20.
  • V. R. Dantham and P. B. Bisht, “Factors governing the Lasing in the dye-embedded single microdroplets”, Proc. of Ninth DAE-BRNS National Laser Symposium, Mumbai, Jan. 13-16, 2010, pp. 55.
  • V. R. Dantham and P. B. Bisht, “Luminescence of dye-embedded polymer-coated glass fibres”, Proc. of DAE-BRNS 5th National Symposium on Pulsed Laser Deposition of Thin Films and Nanostructured Materials”, IIT Madras, Dec. 2-4, 2009, pp. 107.
  • V. R. Dantham and P. B. Bisht, “Effect of refractive index of the medium on radiative rate rates of molecules coated on single optical microcavities”, Proc. of First International Conference on Trends in Optics and Photonics, Calcutta, Mar. 1-4, 2009, pp. 339-345.
  • P. B. Bisht and V. R. Dantham, “Studies of whispering gallery modes of single coated microsphere by steady-state and time-resolved laser fluorescence microscopy”, Proc. of The 8th Asian International Seminar on Atomic and Molecular Physics (AISAMP8), Australia, Nov 24-28, 2008.
  • V. R. Dantham and P. B. Bisht, “Experiments on whispering gallery modes of coated microspheres”, Proc. of India-Singapore Symposium on in Physics, IIT Madras, Feb. 28 – Mar. 01, 2008, pp.66.
  • V. R. Dantham and P. B. Bisht, “Optics of dye doped and coated single microspheres”, Proc. of One Day Seminar on Optics and Photonics-2008, IIT Madras, Dec. 4, 2008, pp. 25-26.
  • V. R. Dantham and P. B. Bisht, “Method of locating high-Q whispering gallery modes (WGMs) in the visible region even with low computing memory”, in National Symposium on Mathematical Methods and Applications, IIT Madras, Dec. 22, 2007.
  • V. R. Dantham and P. B. Bisht, “Experiments on higher- Q modes of microcavity for the study of the effect on spontaneous and stimulated decay rates of molecules”, Proc. of Progress on Tunable Lasers for Ultrafast Processes and Applications, IIT Madras, Dec. 21-22, 2006, pp.113-114.
   

Research output after joining at IIT Patna (After 26-11-2013)

Publications [as a corresponding author]:

• G. M. Das and V. R. Dantham, “Near-field and far-field plasmonic properties of core-shell nanostructures.” To be submitted to Optics Express.
• S. Priya and V. R. Dantham, “Linear optical properties of coupled nanoplasmonic structures” to be submitted to New Journal of Physics.
• R. V. William, G. M. Das, V. R. Dantham, and R. Laha, “Study of single molecules using photonic nanojet mediated surface enhanced Raman scattering technique” submitted to Nano Letters.
• G. M. Das, V. R. Dantham, and A. Arya, “Validity of plane wave approximation in estimating the local field and plasmon resonance wavelength of strongly coupled single plasmonic nanostructures” IEEE Photonics Journal (In Press).
• A. Arya, G. M. Das, R. Laha, and V. R. Dantham, “Nanoplasmonic-whispering gallery mode hybrid microresonator for enhancing single molecule Raman scattering and fluorescence”, J. Opt. Soc. Am. B. 36(2), 235 (2019).
• R. Paul, A. Arya, Ranjit Laha, and Venkata R. Dantham, “Plasmon-enhanced fluorescence in nanomolar dye solution using combination of core-shell nanostructures of various shell thicknesses”, J. Luminescence , 205, 451-456 (2019).
• A. Arya, R. Laha, G. M. Das, and V. R. Dantham, “Enhancement of Raman scattering signal using photonic nanojet of portable and reusable single microstructures”, Journal of Raman spectroscopy, 2018;1-6, DOI: 10.1002/jrs.5350.

     MERIT AWARD for the oral presentation given in “Young Scientist Secession” which is a part of the conference (ASTM-2018) held at IIT (ISM), Dhanbad.

• G. M. Das, A. B. Ringne, V. R. Dantham, R. K. Easwaran, and R. Laha, “Numerical investigations on photonic nanojet mediated surface enhanced Raman scattering and fluorescence techniques”, Optics Express 25.17 (2017): 19822.
  
  • BEST POSTER AWARD in 2^nd International Conference on Condensed Matter & Applied Physics - 2017, Rajasthan.
  • h5-index of this journal is 104
  • This is the second top journal in the field of Optics & Photonics as per the Google scholar metrics
• S. Chatterjee, A. B. Ringane, A. Arya, G. M. Das, V. R. Dantham, R. Laha, S. Hussian, “A high-yield, one-step synthesis of surfactant-free gold nanostars and numerical study for single-molecule SERS application”, Journal of Nanoparticle Research 18.8 (2016): 242.
  
  • Proficiency award in the Convocation-2015 for her M. Tech. Project.
  • Merit award for the oral presentation at the International conference on Optics and Photonics held at University of Calcutta.
• G. M. Das, R. Laha, and V. R. Dantham, “Photonic nanojet mediated SERS technique for enhancing the Raman scattering of a few molecules”, Journal of Raman Spectroscopy 47.8 (2016): 895.
  
  • BEST POSTER AWARD in International Conference on Condensed Matter & Applied Physics - 2015, Rajasthan.
  • BEST POSTER AWARD in DST-SERB School on Modern Optics and Its Applications - 2015, IIT Patna
  • This work has been highlighted in NATURE INDIA home page. To read the news click a link below
    http://www.natureasia.com/en/nindia/article/10.1038/nindia.2016.57

 

Thesis [As a Supervisor]:

• "Surface enhanced fluorescence of nanomolar dye solution with different thicknesses of plasmonic core-dielectric nanoshells" submitted by Mr. Rajashik Paul for obtaining the M. Tech. Degree in Nanoscience & Technology.
• "Fluoresceence enhancement using efficient nanoplasmonic antennas" submitted by Mrs. Kiran Singh for obtaining the M. Tech. Degree in Nanoscience & Technology.
• “Enhancement of Raman scattering signal of single molecules using photonic nanojet mediated SERS” submitted by Mr. Anil B. Babaro for obtaining the M.Tech. Degree in Nanoscience & Technology.
• “Enhancement of fluorescence using nanoplasmonic and photonic devices” submitted by Mr. Amit Kumar Tagore for obtaining the M.Tech. Degree in Nanoscience & Technology.
• “Synthesis and characterization of efficient nanoplasmonic antennas for improving the sensitivity of a whispering gallery mode biosensor” submitted by Ms. Sharmistha for obtaining the M.Tech. Degree in Nanoscience & Technology.
• “Enhancement of Raman scattering signal using localized surface plasmons and photonic nanojet of an optical microsphere” submitted by Mr. Gour Mohan Das for obtaining the M.Tech. Degree in Nanoscience & Technology.
• “Raman Scattering by a high quality factor optical microcavity” (summer project submitted by Mr. Mithilesh in 2014)
• “Optical properties of symmetric and asymmetric nanosphere dimers” (Summer project submitted by Mr. Mithilesh in 2015)

 

SPIE/AIP proceedings [As a corresponding author]:

• Gour M. Das and Venkata R. Dantham, “Enhancement of SERS signal of single/few molecules using photonic nanojet of a dielectric microsphere”, AIP Proceedings 1953 (1), 060019 (2018).
• Sugandh Priya, Ranjit Laha, Venkata R. Dantham, “Development of multiwavelength Kretschmann setup for exciting surface plasmon polaritons”, AIP proceedings 1953 (1), 060034 (2018).
• Akash Arya, Amit K. Tagore, Venkata R. Dantham, “Enhancement of fluorescence of a few molecules using nanoplasmonic and photonic structures”, AIP proceedings 1953 (1), 060020 (2018).
• Gour Mohan das, Ranjit Laha, and Venkata Ramanaiah Dantham, “Enhancement of Raman scattering signal of a few molecules using photonic nanojet mediated SERS technique”, AIP Conf. Proc. 1728, 020564(2016)
• Sharmistha Chatterjee, Venkata Ramanaiah Dantham, and Sahid Hussain, “Efficient nanoplasmonic antennas for fabricating single molecule detector”, Proc. SPIE 9654 (2015)
• S. Holler, V. R. Dantham, D. Keng, V. Kolchenko, S. Arnold, B. Mulroe, M. Paspaley-Grbavac, “The whispering gallery mode biosensor: label-free detection from virus single protein”, Proc. SPIE 9166, Biosensing and Nanomedicine VII, 91660O (August 28, 2014); doi:10.1117/12.2061477
• S. Holler, V.R. Dantham, D. Keng, V. Kolchenko, S. Arnold, “Label-free single cancer marker protein detection using a nanoplasmonic-photonic hybrid whispering gallery mode biosensor”, Proc. SPIE 9112, Sensing Technologies for Global Health, Military Medicine, and Environmental Monitoring IV, 911217 (June 5, 2014); doi:10.1117/12.2050222

 

International conference proceedings [As a corresponding author]:

• Sugandh Priya and Venkata R. Dantham, “Prism and fiber based dark field microscopes for optical characterization of single nanoplasmonic structures” Submitted to International Conference on Quantum & Atom Optics-2018.
• Pragya Tiwari and Venkata R. Dantham, “Tapered fiber assisted nanoplasmonic-whispering gallery mode hybrid biosensors for real-time detection and sizing of single protein molecules, Submitted to International Conference on Quantum & Atom Optics-2018.
• Gour M. Das and Venkata R. Dantham, “Experimental and numerical study on surface plasmon enhanced fluorescence of nanomolar dye solution” Submitted to International Conference on Quantum & Atom Optics-2018.
• S. Priya and Venkata R. Dantham, “Development of Fiber Optic Dark Field Microscope for Studying Optical Properties of Single Plasmonic Nanoantennas of Complex Shapes”, Photonics 2018 (Accepted).
• Pragya Tiwari, Akash Arya and Venkata Ramanaiah Dantham, “Nanoplasmonic-Whispering Gallery Mode Hybrid Microresonators for Single Molecule Detection and Sizing in Real-Time”, Photonics 2018 (Accepted).
• Akash Arya and V. R. Dantham, “High yield synthesis of surfactant-free gold nanostars for biosensing, photothermal therapy and drug delivery applications”, given oral presentation in International Conference and Exhibition on Nanomedicine and Drug Delivery, May 29-31, 2017 Osaka, Japan.
• Akash Arya and V. R. Dantham, “Development of experimental setup for fabrication of nanoplasmonic-photonic hybrid biosensors for the real-time detection and sizing of single molecules”, poster presented in International Conference on Fibre Optics and Photonics 2016, Kanpur, India.
• Gour Mohan Das, Mithilesh Kumar Parit, Ranjit Laha, Venkata Ramanaiah Dantham, “Enhancement of Raman Scattering Signal of a Few Molecules Using Photonic Nanojet Mediated SERS Technique”, Proceedings of International Conference on Condensed Matter & Applied Physics (ICC -2015), Abstract ID: 908.
• Sharmistha Chatterjee, Venkata Ramanaiah Dantham, and Sahid Hussain, “Efficient nanoplasmonic antennas for fabricating single molecule detector”, Proc. of International Conference on Optics and Photonics (ICOP-2015), P-312, Feb. 20-22, 2015, Kolkata, India (Oral presentation).
• Gour Mohan Das, Venkata Ramanaiah Dantham, and Ranjit Laha, “Enhancement of Raman scattering using photonic nanojet of an Optical microsphere”, Proc. of International Conference of Optical Society of India, International Conference on Optics and Photonics (ICOP-2015) P-314, Feb. 20-22, 2015, Kolkata, India

 

National conference proceedings [As a corresponding author]:

• Akash Arya, Amit Kumar Tagore and V. R. Dantham, “Developing a LabVIEW interface for several instruments in the experimental setup used for single protein detection” poster presented in Research Scholar Day Celebration at IIT Patna on March 31, 2017.
• Kiran Singh, V. R. Dantham, and Sahid Hussain, “Enhancement of fluorescence using nanoplasmonic antennas”, poster presented in Research Scholar Day Celebration at IIT Patna on March 31, 2017.
• Gour Mohan Das, V. R. Dantham, “Photonic nanojet mediated surface enhanced Raman scattering and fluorescence techniques for single molecule study”, poster presented in Research Scholar Day Celebration at IIT Patna on March 31, 2017.
• Akash Arya and Venkata Ramanaiah Dantham, “Ultrasensitive nanoplasmonic-whispering gallery mode hybrid biosensor for the detection of single protein molecules in real time”, Research Scholars Day Celebration at IIT Patna, 2016.
• Gour Mohan Das and Venkata Ramanaiah Dantham, “A novel technique for early detection of dangerous diseases”, Research Scholars Day Celebration at IIT Patna, 2016.
• Gour Mohan Das and Venkata Ramanaiah Dantham, “Enhancement of Raman scattering of molecules without surface plasmons,” National Science DayCelebration in 2015 held at IIT Patna.
• Sharmistha Chatterjee, Akash Arya and Venkata Ramanaiah Dantham, “Single Molecule Raman Scattering,” National Science Day Celebration in 2015 held at IIT Patna.
• Gour Mohan Das and Venkata Ramanaiah Dantham, “Photonic nanojet mediated surface enhanced Raman scattering (SERS) technique”, DST-SERC School held at IIT Patna, 2015
• Akash Arya and Venkata Ramanaiah Dantham, “Efficient nanostructures for studying single protein molecules in real time”, DST-SERC School held at IIT Patna, 2015
• Sharmistha Chatterjee, Venkata Ramanaiah Dantham, and Sahid Hussain “Synthesis and characterization of efficient nanoplasmonic epitopes for fabricating an ultrasensitive hybrid WGM detector”, Proc. of the Conferences on Recent Trends in Information Optics & Quantum Optics (IOQO-2014), p. no. 119, Nov. 07-08, 2014, IIT Patna, Patna, India.
• Gour Mohan Das and Venkata Ramanaiah Dantham, “Theoretical investigation on photonic nanojet of an optical microsphere”, Proc. of the Conferences on Recent Trends in Information Optics & Quantum Optics (IOQO-2014) pp-115, Nov. 07-08, 2014, IIT Patna, Patna, India