2024

• R. Singh, R. Gupta, D. Bansal, R. Bhateria, M. Sharma, A Review on Recent Trends and Future Developments in Electrochemical Sensing, ACS Omega, 2024, Just accepted.
• S. Ainus Sofa, R. Roto, R. Aflaha, T. Abdillah Nasir, N. Humairah, A. Kusumaatmaja, K. Triyana, R. Gupta, Formaldehyde Gas Sensor based on Quartz Crystal Microbalance Modified with Aniline-doped Polyvinyl Acetate Nanofibers, Analyst, 2024, Just accepted.
• A. Tricase, B. Alhenaki, V. Marchianò, L. Torsi, R. Gupta, P. Bollella, Bioelectrochemically Triggered Apoferritin-based Bionanoreactors: Synthesis of CdSe Nanoparticles and Monitoring with Leaky Waveguides, Nanoscale Advances, 2024, Just accepted.

2023

• T. Beatto, W. Gomes, A. Etchegaray, R. Gupta, R. Mendes, Dopamine Levels Determined in Synthetic Urine Using an Electrochemical Tyrosinase Biosensor Based on ZnO@Au Core-shell, RSC Advances, 2023, 13, 33424, DOI: 10.1039/D3RA06277E.
• R. Songsaeng, N.J. Goddard, R. Gupta, An Investigative Study into an Oscillatory Reaction in Acoustically Levitated Droplets, RSC Advances, 2023, 13, 30002, DOI: 10.1039/d3ra06514f.
• L. Kellermann, R. Gupta, Photoactive Hydrogels for Pre-concentration, Labelling, and Controlled Release of Proteins, Analyst, 2023, 148, 4127. DOI: 10.1039/D3AN00811H.

2022

• R. Gupta, N.J. Goddard, Reflective Leaky Waveguide Gratings (LWGs) with Internal Referencing for Sensing, Sensors and Diagnostics, 2022, 1, 504. DOI: 10.1039/D1SD00061F.
• R. Gupta, A. Pal, N.J. Goddard, Leaky Waveguide Grating (LWG) Biosensor, Advances in Science and Technology, 2022, 115, 37. DOI: 10.4028/p-24t174.

2021

• R. Gupta, S. ElSayed, N.J. Goddard, Hydrogel Gratings with Patterned Analyte Responsive Dyes for Spectroscopic Sensing, RSC Advances, 2021, 11, 40197. DOI: 10.1039/D1RA08610C.
• R. Gupta, N.J. Goddard, Microfluidic Concentration Gradient Generators Combined with Leaky Waveguides (LWs) for Analyte Quantification, 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2021, 1553.
• R. Gupta, N.J. Goddard, A Study of Diffraction-based Chitosan Leaky Waveguide (LW) Biosensors, Analyst, 2021, 20, 4964, DOI: 10.1039/D1AN00940K.
• N.J. Goddard, R. Gupta, 3D Printed Analytical Platform for Automation of Fluid Manipulation Applied to Leaky Waveguide Biosensors, IEEE Transactions on Instrumentation and Measurement, 2021, 70, 7502612, DOI: 10.1109/TIM.2021.3082276.
• R. Gupta, A.K. Pal, N.J. Goddard, Biosensing by Direct Observation of Leaky Waveguide Modes, Journal of Physics - Conference Series, 2021, 1919, 012002, DOI: 10.1088/1742-6596/1919/1/012002.

2020

• A.K. Pal, N.J. Goddard, H.J. Dixon, R. Gupta, A Self-Referenced Diffraction-based Optical Leaky Waveguide Biosensor Using Photofunctionalisable Hydrogels, Biosensors, 2020, 10, 134. DOI: 10.3390/bios10100134. This work was focused on the cover page of the journal.
• R. Gupta, N.J. Goddard, Leaky Waveguides (LWs) for Chemical and Biological Sensing − A Review and Future Perspective, Sensors and Actuators B, 2020, 322, 128628. DOI: 10.1016/j.snb.2020.128628.
• R. Gupta, E. Labella, N.J. Goddard, An Optofluidic Young Interferometer Sensor for Real-Time Imaging of Refractive Index in µTAS Applications, Sensors and Actuators B, 2020, 321, 128491. DOI: 10.1016/j.snb.2020.128491.
• A.K. Pal, N.J. Goddard, R. Gupta, Aqueous Photochemistry for the Fabrication of Grating Sensors in Hydrogels, Photosensitive Materials and their Applications, 2020, 11367, 1136702. DOI:10.1117/12.2564246.
• S.R. Makhsin, N.J. Goddard, R. Gupta, P. Gardner, P. Scully, Optimisation Synthesis and Biosensing Performance of an Acrylate-based Hydrogel as an Optical Waveguiding Sensing Film, Analytical Chemistry, 2020, 92, 14907. DOI: /10.1021/acs.analchem.0c00586.
• R. Gupta, N.A. Alamrani, G.M. Greenway, N. Pamme, N.J. Goddard, Biosensor for Determining Average Iron Content of Ferritin by Measuring its Optical Dispersion, Microfluidics, BioMEMS, and Medical Microsystems XVIII, 2020, 11235, 112350. DOI: 10.1117/12.2542162.
• N.J. Goddard, R. Gupta, A Novel Manifestation at Optical Leaky Waveguide Modes for Sensing Applications, Sensors and Actuators B, 2020, 309, 127776. DOI: 10.1016/j.snb.2020.127776.
• N.J. Goddard, H. Dixon, N. Toole, R. Gupta, 3D Printed Instrumentation for Point-of-Use Leaky Waveguide (LW) Biochemical Sensor, IEEE Transactions on Instrumentation and Measurement, 2020, 69, 6390. DOI: 10.1109/TIM.2020.2969036.

2019

• N.J. Goddard, R. Gupta, Speed and Sensitivity – Integration of Electrokinetic Preconcentration with a Leaky Waveguide Biosensor, Sensors and Actuators B, 2019, 301, 127063. DOI: 10.1016/j.snb.2019.127063.
• N.A. Alamrani, G.M. Greenway, N. Pamme, N.J. Goddard, R. Gupta, A Feasibility Study of a Leaky Waveguide Aptasensor for Thrombin, Analyst, 2019, 144, 6048. DOI: 10.1039/C9AN01421G.
• R. Gupta, N.A. Alamrani, G.M. Greenway, N. Pamme, N.J. Goddard, Method for Determining Average Iron Content of Ferritin by Measuring its Optical Dispersion, Analytical Chemistry, 2019, 91, 7366. DOI: 10.1021/acs.analchem.9b01231.
• A.K. Pal, E. Labella, N.J. Goddard, R. Gupta, Photofunctionalizable Hydrogel for Fabricating Volume Optical Diffractive Sensors, Macromolecular Chemistry and Physics, 2019, 220, 1900228. DOI: 10.1002/macp.201900228. This work was focused on the cover page of the journal.

2018

• B.R. Andrew, N. Pamme, L.A. Madden, R. Gupta, Label-free Leaky Waveguide for VEGF Detection, 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, 940.
• N.A. Alamrani, N. Pamme, G.M. Greenway, R. Gupta, A Label-free Optical Aptasensor Based on Dye-Doped Leaky Waveguide (DDLW) for Biomarker Detection, 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, 943.
• R. Al-Shemary, L.A. Madden, N.A. Alamrani, N. Pamme, G.M. Greenway, R. Gupta, An Optical Label-free Biosensor Based on Dye-doped Leaky Waveguides (DDLW) for Tissue Factor Analysis, 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, 2352.

2017

• R. Gupta, N.J. Goddard, A Proof-of-Principle Study for Performing Enzyme Bioassays Using Substrates Immobilized in a Leaky Optical Waveguide, Sensors and Actuators B, 2017, 244, 549. DOI: 10.1016/j.snb.2017.01.05.
• R. Gupta, N.J. Goddard, Broadband Absorption Spectroscopy for Rapid pH Measurement in Small Volumes Using an Integrated Porous Waveguide, Analyst, 2017, 142, 169. DOI: 10.1039/C6AN01896C.

2016

• R. Gupta, N.J. Goddard, Optical Waveguide for Common Path Simultaneous Refractive Index and Broadband Absorption Measurements in Small Volumes, Sensors and Actuators B, 2016, 237, 1066. DOI: 10.1016/j.snb.2016.07.162.

2015

• A. Shawcross, C.S. Murray, N. Goddard, R. Gupta, S. Watson, A. Horsley, Accurate Lung Volume Measurements In Vitro Using a Novel Inert Gas Washout Method Suitable for Infants, Pediatric Pulmonology, 2015, 9, 491. DOI: 10.1371/journal.pone.0098487.

2014

• A. Horsley, K. Macleod, R. Gupta, N. Goddard, N. Bell, Enhanced Photoacoustic Gas Analyser Response Time and Impact on Accuracy at Fast Ventillation Rates during Multiple Breath Washout, PLoS One, 2014, 9, e98487. DOI: 10.1371/journal.pone.0098487.
• A. Horsley, K. Macleod, R. Gupta, N. Goddard, N. Bell, 130 Enhanced Photoacoustic Gas Analyser (Innocor) for Multiple Breath Washout. Improvements to Analyser Response Time Maintains Accuracy at Fast Ventilation Rates, and Produces a System that Meets All Washout Technology Performance Targets, Journal of Cystic Fibrosis, 2014, 13, S80. DOI: https://doi.org/10.1016/S1569-1993(14)60266-6.

2013

• R. Gupta, N.J. Goddard, A Novel Leaky Waveguide Grating (LWG) Device for Evanescent Wave Broadband Absorption Spectroscopy in Microfluidic Flow Cells, Analyst, 2013, 138, 1803. DOI: 10.1039/C3AN36714B.
• R. Gupta, N.J. Goddard, A Polymeric Waveguide Resonant Mirror (RM) Device for Detection in Microfluidic Flow Cells, Analyst, 2013, 138, 3209. DOI: 10.1039/c3an00263b.
• R. Gupta, B. Bastani, N.J. Goddard, B. Grieve, Absorption Spectroscopy in Microfluidic Flow Cells using a Metal Clad Leaky Waveguide Device with a Porous Gel Waveguide Layer, Analyst, 2013, 138, 307. DOI: 10.1039/c2an35898k.
• R. Gupta, N.J. Goddard, Novel Optical Biosensor with Internal Referencing, 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013 3, 1490.
• R. Gupta, N.J. Goddard, Integration of Leaky Waveguide Detection with Electrowetting on Dielectric Digital Microfluidic Devices, Journal of Physics - Conference Series, 2013, 450, 012005. DOI: 0.1088/1742-6596/450/1/012005.

2011

• R. Gupta, S.J. Baldock, P. Carreras, P.R. Fielden, N.J. Goddard, S. Mohr, B.S. Razavi, B.J.T. Brown, A Microfluidic Droplet for Self-Synchronised Production of Droplets, Lab on a Chip, 2011, 23, 4052. DOI: 10.1039/c1lc20695h.
• R. Gupta, S.J. Baldock, P.R. Fielden, B.D. Grieve, Capillary Zone Electrophoresis for the Analysis of Glycoforms of Cellobiohydrolase, Journal of Chromatography A, 2011, 1218, 5362. DOI: 10.1016/j.chroma.2011.06.036.

2010

• R. Gupta, S.J. Baldock, P.R. Fielden, J.E. Prest, B.D. Grieve, Isotachophoresis-based Sample Preparation of Cellulases in Sugarcane Juice using Bovine Serum Albumin as a Model Protein, Journal of Chromatography A, 2010, 1217, 8026. DOI: 10.1016/j.chroma.2010.08.047.