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Browsing by Author "Sudhir, C."

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Dielectrophoresis-assisted Raman spectroscopy of intravesicular analytes on metallic pyramids

Barik, A.; Sudhir, C.; Wittenberg, N.J.; Johnson, T.W.; Oh, S-H. (Analytical Chemistry. 88(3); 2016; 1704-1710.)

Chemical analysis of membrane-bound containers such as secretory vesicles, organelles, and exosomes can provide insights into subcellular biology. These containers are loaded with a range of important biomolecules, which ...
Graphene oxide based two-dimensional optical tweezers for low power trapping of quantum dots and E. coli bacteria

Praveenkumar, P.; Joby, J.P.; Sudhir, C. (ACS Applied Nano Materials. 3(6); 2020; 5107-5115.)

Optical tweezers have become an important non-invasive tool to manipulate and immobilize microscopic particles. In particular, plasmonic tweezers provide sufficient gradient force with much lower laser powers that are ...
Hybrid dielectric-plasmonic nanocomposite arrays for bulk and local refractive index sensing

Pinapati, P.; Sudhir, C. (Plasmonics. 15(2); 2020; 441-447.)

Plasmonics-based biosensors are often limited by material losses in the form of joule heating while all dielectric nanoparticles systems have relatively smaller local electric field enhancements. For efficient sensing, it ...
Magnetically-assembled multifunctional magnetic-plasmonic SERS substrate for low-concentration analyte detection

Amonkar, S.R.; Sudhir, C. (Nanotechnology. 34(44); 2023; ArticleID_445602.)

Multifunctional particles with combined magnetic and optical properties are promising materials for applications such as sensing and detection of analytes, and contrast agents for imaging techniques such as MRI, and ...
Microbubble generation and large-scale assembly of colloidal particles by graphene oxide microstructures

Pinapati, P.; Puthenveetil, J.J.; Sudhir, C. (Journal of Optics. 24(7); 2022; ArticleID_074005.)

The study of generation, growth and decay of microbubbles is interesting owing to its potential applications in imaging, trapping of colloidal particles and mass fluid flow. While there have been several reports on the ...
MoS sub(2) and MoS sub(2-) based nanocomposites for enhanced toluene sensing response at room temperature

Thayil, R.; Gopi Krishna, K.; Sudhir, C.; Kathirvelu, V.; Parne, S.R. (Surfaces and Interfaces. 46; 2024; ArticleID_104134.)

Nanostructured materials, characterized by their unique physical and chemical attributes at the nanoscale, enable the development of advanced applications due to their distinct size-dependent phenomena and surface properties. ...
Multifunctional plasmonic nanomaterials (Chapter 13)

Sudhir, C. (Fundamentals and Properties of Multifunctional Nanomaterials, Ed. by Sabu Thomas, Nandakumar Kalarikkal and Ann Rose Abraham. 2021; 297-330.)

Plasmonic nanomaterials are promising candidates for numerous applications including chemical and biological sensing, surface-enhanced processes, and nanoscale optoelectronic devices. Their unique optical properties have ...
Optically-assisted thermophoretic reversible assembly of colloidal particles and E. coli using graphene oxide microstructures

Joby, J.P.; Das, S.; Pinapati, P.; Rogez, B.; Baffou, G.; Tiwari, D.K.; Sudhir, C. (Scientific Reports. 12; 2022; ArticleID_3657.)

Optically-assisted large-scale assembly of nanoparticles have been of recent interest owing to their potential in applications to assemble and manipulate colloidal particles and biological entities. In the recent years, ...
Progress in Optomechatronics

Bhattacharya, I.; Otani, Y.; Lutz, P.; Sudhir, C. (Proc. of the 20th Int. Symp. on Optomechatronic Technology (ISOT 2019), India, Springer Nature Switzerland. 2020; 167pp.)
SERS-based detection of efficient removal of organic dyes using molybdenum dichalcogenide nanostructures

Thayil, R.; Sudhir, C. (Nano Express. 4(3); 2023; ArticleID_035005.)

Two-dimensional materials have been popular in recent times owing to their special properties that can lead to several applications. In particular, transition metal dichalcogenides have been reported to be potential ...
Surface-enhanced Raman scattering: A novel tool for biomedical applications

Sudhir, C. (Advances in Sensors, Review Vol.4 (Chapter 9), Ed. by: Sergey Y. Yurish. ISBN: 978-84-617-7596-5. (); 2016; 157-179.)

Surface-enhanced Raman scattering (SERS) has developed into a modern technique that holds tremendous potential for biomedical applications. In the coming years, it is believed that SERS will be used in real-world applications ...
Surface-enhanced Raman spectroscopy for biomedical applications: A review

Sudhir, C. (Sensors and Transducers. 197(2); 2016; 1-13.)

Surface-enhanced Raman scattering has recently become a powerful vibrational spectroscopic tool for numerous applications in physical, chemical, biological as well as medical science. Apart from a chemical enhancement ...

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