Somnath Ghosh

ORCID: 0000-0003-4311-3577
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About
Contact & Profiles
Research Areas
  • Retinal Imaging and Analysis
  • Ocular Surface and Contact Lens
  • Retinal Diseases and Treatments
  • Corneal surgery and disorders
  • Pickering emulsions and particle stabilization
  • Quantum Dots Synthesis And Properties
  • Advanced battery technologies research
  • Corneal Surgery and Treatments
  • Nanoparticles: synthesis and applications
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Ophthalmology and Visual Impairment Studies
  • Nanocomposite Films for Food Packaging
  • Nanowire Synthesis and Applications
  • Micro and Nano Robotics
  • Retinal and Optic Conditions
  • Surface Modification and Superhydrophobicity
  • Advanced Nanomaterials in Catalysis
  • Advanced Photocatalysis Techniques
  • Glaucoma and retinal disorders
  • biodegradable polymer synthesis and properties
  • Adrenal and Paraganglionic Tumors
  • Electrochemical sensors and biosensors
  • Nanomaterials and Printing Technologies
  • 3D Printing in Biomedical Research
  • Polymer Surface Interaction Studies

Kazi Nazrul University
2023-2024

Indian Institute of Science Bangalore
2010-2024

Indian Institute of Petroleum
2019-2024

Coimbatore Medical College and Hospital
2024

Institute of Post Graduate Medical Education and Research
2024

Indian Institute of Technology Delhi
2023

National University of Malaysia
2018-2023

Techno India University
2020-2021

Indian Institute of Science Education and Research, Tirupati
2019

Indian Institute of Science Education and Research Mohali
2019

A highly homogeneous ZnO/Ag nanohybrid has been synthesized by a novel route, employing chitosan as mediator purely electrostatic interaction. By various techniques such powder XRD, UV-visible, IR spectroscopy and electron (SEM, TEM) microscopy, the formation of established. The synergistic antibacterial effect on Gram-positive Gram-negative bacteria is found to be more effective, compared individual components (ZnO Ag). Cytotoxicity experiments are carried out results correlated solubility...

10.1039/c1ra00815c article EN RSC Advances 2011-11-28

Abstract Controlling the motion of drops on solid surfaces is crucial in many natural phenomena and technological processes including collection removal rain drops, cleaning technology heat exchangers. Topographic chemical heterogeneities give rise to pinning forces that can capture steer desired directions. Here we determine general physical conditions required for capturing sliding an inclined plane equipped with electrically tunable wetting defects. By mapping drop dynamics...

10.1038/ncomms4559 article EN cc-by Nature Communications 2014-04-11

A strategy of using nano-carbons to mimic the catalytic behaviour enzymes is put forward.

10.1039/d2ma00034b article EN cc-by-nc Materials Advances 2022-01-01

A novel in situ core@shell structure consisting of nanoparticles Ag (Ag Nps) and AgI agarose matrix (Ag@AgI/agarose) has been synthesized as a hybrid, order to have an efficient antibacterial agent for repetitive usage with no toxicity. The is very well characterized by XRD, UV–visible, photoluminescence, TEM. detailed studies including cycles are carried out on Gram-negative Escherichia coli (E. coli) Gram-positive Staphylococcus aureus (S. aureus) bacteria saline water, both dark exposure...

10.1021/la301322j article EN Langmuir 2012-05-15

The demand for renewable-energy-based efficient systems is a practical indication to develop sustainable energy nanomaterials storage and conversion reduce the use of pollution-based nonrenewable systems. biomass-derived components new age development electrode nanomaterials. Among biomass, cotton-based electrodes are more popular, as they cost-effective materials. Cotton-plant-derived porous or pristine nanocarbons have good textural morphological properties with high specific surface area,...

10.1021/acsaelm.3c00022 article EN ACS Applied Electronic Materials 2023-03-30

Endeavors toward designing and developing an easy-to-use, durable, effective, non-noble-metal-based electrocatalyst for hydrogen evolution reaction (HER) are still ongoing. Two-dimensional (2D) transition metal oxide nanosheets (NSs) now at the forefront of race due to their huge lateral size compared thickness owing unique electronic physicochemical properties bulk material edge atom sites offering catalytic centers HER. In this report, Co-doped MnO2 [Mn1–xCoxO2, x = 0.0–0.5] NSs were...

10.1021/acsaem.3c03022 article EN ACS Applied Energy Materials 2024-04-30

Abstract ZnO nanoparticles (ZnO NPs) prepared by microwave heating technique are used to modify a gold electrode (ZnO/Au) for the hydrazine detection study. The synthesized product is well characterized various techniques. Detailed electrochemical investigation of oxidation on ZnO/Au in 0.02 M phosphate buffer solution (PBS) pH 7.4 was carried out. A very low limit 66 nM ( S / N =4) and wide linearity current concentration range from 66.0×10 −3 415 µM achieved amperometry. found be stable...

10.1002/elan.201200210 article EN Electroanalysis 2012-09-01

Antibacterial efficacy of silver nanoparticles (Ag NPs) deposited alternatively layer by (LBL) on chitosan polymer in the form a thin film over quartz plate and stainless steel strip has been studied. An eight-bilayer chitosan/silver (Cs/Ag) 8 hybrid was prepared having known concentration silver. Techniques such as UV-visible spectroscopy, inductively coupled plasma optical emission spectroscopy (ICP-OES), atomic force microscopy (AFM) were carried out to understand elucidate physical...

10.1155/2011/693759 article EN International Journal of Carbohydrate Chemistry 2011-01-11

10.1016/j.colsurfa.2019.04.034 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2019-04-15

A porous carbon foam (CF) electrode modified with a reduced graphene oxide–Ag (rGO–Ag) nanocomposite has been fabricated to purify water. It can perform as an antibacterial device by killing pathogenic microbes the aid of 1.5 V battery, very little power consumption. The is recycled ten times good performance for long term usage. shown that may be implemented fast water purifier deactivate pathogens in drinking

10.1088/0957-4484/24/23/235101 article EN Nanotechnology 2013-05-13

To evaluate the corneal cell morphology of new keratoconus patients wearing two different types rigid gas-permeable (RGP) contact lenses for 1y.Thirty nine eyes 39 were selected and randomly fitted with RGP lenses. Group 1 had 21 regular (RRGP) lens rest 18 in group 2 specially designed (SRGP) lens. Corneal was evaluated using a slit scanning confocal microscope at no-lens wear after 1y wearing.After 1, mean anterior posterior stromal keratocyte density significantly less (P=0.006 P=0.001,...

10.18240/ijo.2017.02.08 article EN cc-by-nc-nd International Journal of Ophthalmology 2017-02-17

The main focus of this work is to improve the strength, stiffness, wear resistance and fatigue strength polyoxymethylene (POM). For purpose, POM incorporated with a lubricating additive polytetrafluoroethylene (PTFE) reinforced silanized multiwalled carbon nanotubes (CNTs). PTFE filled composites varying weight fraction hybrid 1 wt% CNTs fractions were fabricated by melt compounding using twin screw extruder followed injection molding. Tensile, flexural, behavior developed evaluated....

10.1088/2053-1591/ab0f4a article EN Materials Research Express 2019-03-13

Successful development of phage-based therapeutics and their utility predominantly depend on the mode route phage administration. Topical site-directed application evokes minimal immune clearance allows more phage-host adsorption, thereby ensuring higher efficacy. However, a notable drawback conventional topical applications is absence sustained release. Occlusive emollients guarantee controlled release active pharmaceutical ingredients (APIs), facilitating administration, preventing...

10.1021/acsabm.4c00747 article EN ACS Applied Bio Materials 2024-09-11

Purpose: To evaluate corneal cell morphology in patients with keratoconus using an vivo slit scanning confocal microscope.Methods: A cross-sectional study was conducted to the of 47 and 32 healthy eyes without any ocular disease.New different disease severities other co-morbidity were recruited from ophthalmology department a public hospital Malaysia June 2013 May 2014.Corneal evaluated slit-scanning microscope.Qualitative quantitative data analysed grading scale Nidek Advanced Visual...

10.21315/mjms2017.24.2.6 article EN cc-by Malaysian Journal of Medical Sciences 2017-01-01
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