Dr. Abhay Kotnala Profile

Dr. Abhay Kotnala

at Institute of Physical Chemistry PAS

SPIE Involvement:

Author

Area of Expertise:

Optical Tweezers , Biomedical Optics , Nanofabrication , Optofluidics , Biosensors , Nanophotonics

Publications (8)

Proceedings Article | 5 October 2023 Poster + Paper

Opto-hydrodynamic fiber tweezers for stimulated Raman imaging cytometry of leukemic cells

Shreyas Vasantham, Piotr Garstecki, Ladislav Derzsi, Abhay Kotnala

Proceedings Volume 12649, 126490Q (2023) https://doi.org/10.1117/12.2677250

KEYWORDS: Raman spectroscopy, Leukemia, Microfluidics, Biological imaging, Proteins, Optofluidics, Optical fibers, Signal processing, Raman scattering, Microscopes

Read Abstract +

Proceedings Article | 6 March 2023 Presentation + Paper

Speckle imaging offers sensitive detection of bacterial growth in microdroplet antibiotic susceptibility testing assays

Shreyas Vasantham, Shakeel Ahmad, Piotr Garstecki, Abhay Kotnala

Proceedings Volume 12374, 1237407 (2023) https://doi.org/10.1117/12.2649807

KEYWORDS: Signal detection, Bacteria, Speckle, Light scattering, Speckle imaging, Signal intensity, Laser scattering, Microfluidics

Read Abstract +

Proceedings Article | 1 August 2021 Presentation + Paper

Symmetric and isotropic micro/nanorotors driven by a plane-polarized gaussian laser beam

Hongru Ding, Pavana Siddhartha Kollipara, Abhay Kotnala, Zhihan Chen, Yuebing Zheng

Proceedings Volume 11798, 117981U (2021) https://doi.org/10.1117/12.2593464

KEYWORDS: Particles, Picosecond phenomena, Ions, Thermoelectric materials, Sodium, Chlorine, Polymers, Polarization, Optical manipulation, Microfluidics

Read Abstract +

Proceedings Article | 20 August 2020 Presentation

Opto-thermoelectric speckle tweezers for large-scale trapping and filtration of particles

Abhay Kotnala, Pavana Siddhartha Kollipara, Yuebing Zheng

Proceedings Volume 11463, 114631B (2020) https://doi.org/10.1117/12.2567825

KEYWORDS: Particles, Speckle, Nanoparticles, Microfluidics, Nanolithography, Printing, Optical tweezers, Plasmonics, Laser development, Biomedical optics

Read Abstract +

Proceedings Article | 9 March 2020 Presentation

Convection- and bubble-assisted nanoaperture-based plasmonic tweezers (Conference Presentation)

Abhay Kotnala

Proceedings Volume 11297, 1129709 (2020) https://doi.org/10.1117/12.2546461

KEYWORDS: Plasmonics, Particles, Spectroscopy, Nanostructures, Convection, Diffraction, Luminescence, Fluorescence spectroscopy, Light-matter interactions, Interference (communication)

Read Abstract +

Proceedings Article | 16 September 2014 Paper

Optical tweezers for free-solution label-free single bio-molecule studies

Abhay Kotnala, Ahmed Al-Balushi, Reuven Gordon

Proceedings Volume 9164, 916418 (2014) https://doi.org/10.1117/12.2062051

KEYWORDS: Optical tweezers, Molecules, Proteins, Molecular interactions, Microscopes, Objectives, Gold, Glasses, Nanoplasmonics, Particles

Read Abstract +

Proceedings Article | 27 August 2014 Paper

New physics and applications of apertures in thin metal films

Reuven Gordon, Ahmed Al-Balushi, Abhay Kotnala, Ryan Gelfand, Skylar Wheaton, Shuwen Chen, Shilong Jin

Proceedings Volume 9172, 91720A (2014) https://doi.org/10.1117/12.2062919

KEYWORDS: Proteins, Optical tweezers, Metals, Molecules, Physics, Molecular interactions, Nanoparticles, Thin films, Scattering, Optical fibers

Read Abstract +

Proceedings Article | 2 May 2014 Paper

Trapping, unfolding, identifying, and binding single proteins using the double-nanohole optical trap

Skyler Wheaton, Abhay Kotnala, Ahmed Al Balushi, Ryan Gefald, Ana Zehtabi-Oskuie, Yashaswini Rajashekara, Reuven Gordon

Proceedings Volume 9126, 91260O (2014) https://doi.org/10.1117/12.2049045

KEYWORDS: Particles, Proteins, Optical tweezers, Avalanche photodetectors, Nanoparticles, Dielectrics, Gold, Image processing, Transmittance, Molecules

Read Abstract +

Showing 5 of 8 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years