Hemoglobin detection in blood samples using a graphene-based surface plasmon resonance biosensor

B Karki, B Vasudevan, A Uniyal, A Pal, V Srivastava - Optik, 2022 - Elsevier
In the proposed work, the detection of hemoglobin has been carried out using an SPR
biosensor. The detection of hemoglobin is necessary because excessive concentration can …

Advances in Surface Plasmon Resonance‐Based Biosensor Technologies for Cancer Cell Detection

B Karki, A Uniyal, A Pal… - International Journal of …, 2022 - Wiley Online Library
Efforts have been made to enhance the surface sensitivity of the conventional surface
plasmon resonance biosensor. To improve the sensitivity, a unique two‐dimensional …

Sensitivity improvement of surface plasmon resonance sensor for glucose detection in urine samples using heterogeneous layers: an analytical perspective

B Karki, A Uniyal, P Sarkar, A Pal, RB Yadav - Journal of Optics, 2024 - Springer
A surface plasmon resonance sensor has been proposed in this study. The proposed sensor
can detect glucose concentration in the urine samples and can detect a concentration of …

Long-range SPR sensor employing platinum diselenide and cytop nanolayers giving improved performance

A Uniyal, A Pal, B Chauhan - Physica B: Condensed Matter, 2023 - Elsevier
The designing of long-range surface plasmon resonance (LRSPR) biosensors using two-
dimensional (2D) materials gained tremendous popularity due to their exclusive …

Black phosphorous and cytop nanofilm‐based long‐range SPR sensor with enhanced quality factor

B Karki, A Uniyal, G Srivastava, A Pal - Journal of Sensors, 2023 - Wiley Online Library
This numerical work proposes two novel designs of long‐range surface plasmon resonance
sensors (LRSPR) using two different coupling prisms. The performance analysis of the …

Sensitivity enhancement of refractive index-based surface plasmon resonance sensor for glucose detection

B Karki, A Jha, A Pal, V Srivastava - Optical and Quantum Electronics, 2022 - Springer
Diabetes is a life-threatening disease caused by excessive glucose intake. The surface
plasmon resonance (SPR) based sensor is the most advanced technology for glucose …

Fluorinated graphene and CNT-based surface plasmon resonance sensor for detecting the viral particles of SARS-CoV-2

A Uniyal, G Srivastava, P Sarkar, M Kumar… - Physica B: Condensed …, 2023 - Elsevier
Due to the ability to distinguish between infected and uninfected individuals, the continuing
highly contagious Coronavirus disease pandemic, which is brought on by the severe acute …

Plasmonic pregnancy detector: enhancing sensitivity with SPR sensor

A Pal, Y Trabelsi, P Sarkar, RB Yadav… - Optical and Quantum …, 2024 - Springer
Detecting biomolecular interactions without labeling has become possible because of
surface plasmon resonance (SPR) sensing development. In this work, we report on …

Surface plasmon resonance biosensor sensitivity improvement employing of 2D materials and BaTiO3 with bimetallic layers of silver

A Uniyal, A Pal, G Srivastava, MM Rana… - Journal of Materials …, 2023 - Springer
In this paper, a surface plasmon resonance (SPR) biosensor built on bimetallic layers of
Silver, BaTiO3, and transition metal dichalcogenide material (MoS2/MoSe2/WS2/WSe2) are …

Tuning sensitivity of surface plasmon resonance sensor based on ZnO layer and CaF2 prism for the recognition of SARS-CoV-2

A Pal, Y Trabelsi, P Sarkar, M Sharma, M Kumar… - Journal of Materials …, 2024 - Springer
In this work, a Zinc Oxide (ZnO) and Silver (A+) layer with 2D material of graphene layer on a
CaF2 prism is introduced as part of an ultra-high sensitive SPR sensor intended for a …