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Alan O'Riordan

Tyndall National Institute

SCHOLARLY PAPERS

11

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480

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0

Scholarly Papers (11)

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1.

Gold/Gold Oxide as a Solid State On-Chip pH Sensing Probe

Downloads 70 (883,195)

Gold/Gold Oxide as a Solid State On-Chip pH Sensing Probe

Number of pages: 21 Posted: 29 Sep 2025
Kathleen Kennedy, Md Ridwan Adib, Karl Rönnby, Ian Seymour, Michael Nolan, Mark A. Fenelon and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Teagasc Food Research Centre - Food Chemistry and Technology Department and Tyndall National Institute
Downloads 48 (1,119,531)

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pH sensor, Ultra-microelectrodes, Gold Oxide

Gold/Gold Oxide as a Solid State On-Chip pH Sensing Probe

Number of pages: 21 Posted: 01 Oct 2025
Kathleen Kennedy, Md Ridwan Adib, Karl Rönnby, Ian Seymour, Michael Nolan, Mark A. Fenelon and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Teagasc Food Research Centre - Food Chemistry and Technology Department and Tyndall National Institute
Downloads 22 (1,473,203)

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pH sensor, Ultra-microelectrodes, Gold Oxide

2.

A High Performance Laser Induced Graphene (Lig) Dual Biosensor for Simultaneous Monitoring of Glucose and Lactate

Number of pages: 22 Posted: 24 Oct 2024
Hassan Hamidi, Richard Murray, Vincezo Vezzoni, Somayyeh Bozorgzadeh, Alan O'Riordan, Daniele Pontiroli, Mauro Riccò, Aidan J. Quinn and Daniela Iacopino
Tyndall National Institute, Tyndall National Institute, University of Parma, Tyndall National Institute, Tyndall National Institute, University of Parma, University of Parma, Tyndall National Institute and Tyndall National Institute
Downloads 69 (907,769)

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Laser induced graphene, glucose, lactate, electrochemical biosensors, multiplexing

3.

Silicon Microtechnology-Hydrogel Integrated Universal Sensing Platform for High Accuracy Cortisol and Haptoglobin Immunosensing

Number of pages: 22 Posted: 13 Feb 2024
vuslat b. juska, Nadia Moukri, P. Estrela, Graeme Maxwell, Stacey Hendriks, Esmeralda Santillan-Urquiza, Bernadette O’Brien, Bernardo Patella, Rosalinda Inguanta and Alan O'Riordan
Tyndall National Institute, University of Palermo, University of Bath, Tyndall National Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Palermo, University of Palermo and Tyndall National Institute
Downloads 69 (883,195)

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antifouling, affinity based sensors, multiplexed sensing, Microfabrication, biosensor, cortisol, haptoglobin, Hydrogel, chitosan

4.

A Portable Multiplexed Electrochemical Biosensor for Lactate and pH Monitoring in Calf Saliva

Downloads 56 (1,020,567)

A Portable Multiplexed Electrochemical Biosensor for Lactate and pH Monitoring in Calf Saliva

Number of pages: 23 Posted: 17 Mar 2026
Md Ridwan Adib, Javier Higes-Marquez, Colm Barrett, Shane O'Sullivan, Marie McFadden, Emer Kennedy and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Teagasc, Animal and Grassland Research and Innovation Centre, Teagasc, Animal and Grassland Research and Innovation Centre and Tyndall National Institute
Downloads 32 (1,341,098)

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Electrochemical Lactate and pH Sensor, pH Control, Dual Sensing, Saliva, Non-invasive Technology, Sensor Electronics Interface

A Portable Multiplexed Electrochemical Biosensor for Lactate and pH Monitoring in Calf Saliva

Number of pages: 24 Posted: 11 Feb 2026
Md Ridwan Adib, Javier Higes-Marquez, Colm Barrett, Shane O'Sullivan, Marie McFadden, Emer Kennedy and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Teagasc, Animal and Grassland Research and Innovation Centre, Teagasc, Animal and Grassland Research and Innovation Centre and Tyndall National Institute
Downloads 24 (1,459,262)

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Electrochemical Lactate and pH Sensor, pH Control, Dual Sensing, Saliva, Non-invasive Technology, Sensor Electronics Interface

5.

On-Chip Electrochemical Detection of Free-Chlorine Under Hydrodynamic Conditions Using In-Situ Ph Control

Number of pages: 27 Posted: 03 Sep 2024
Shane O'Sullivan, Fernando Diaz, Ian Seymour and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute and Tyndall National Institute
Downloads 52 (1,041,696)

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3D- Printed Microfluidics, COMSOL Simulations, Generator-Collector Electrochemical Detection, Electrochemical pH control, ultramicro interdigitated electrode array

6.

Highly Efficient Coreactant-Free Electrochemiluminescence Sensing Platform Using Novel Microfabricated Multiplexed Entwined Spiral Microelectrodes for Point-of-Care Applications

Number of pages: 14 Posted: 17 Dec 2025
Somayyeh Bozorgzadeh, Richard Murray, Hassan Hamidi, Ian Seymour, Daniela Iacopino and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute and Tyndall National Institute
Downloads 51 (1,052,702)

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Coreactant-free, Electrochemiluminescence, entwined spiral microelectrodes, multiplexed platform, Luminol, label-free immunosensing.

7.

Highly Luminescent Lanthanide-Doped Nanorods-Based Inks for Multimode and Multistage Counterfeiting Applications

Number of pages: 26 Posted: 21 Nov 2025
Pawan Kumar, Martina Piletti, Alida Russo, N. Padmanathan, Alan O'Riordan, Aidan J. Quinn and Daniela Iacopino
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute and Tyndall National Institute
Downloads 28 (1,372,601)

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Multistage, Luminescent ink, Photoluminescence, Nanorods, Anti-counterfeiting

8.

Application of Ph-Controlled In-Line Sensing Under Hydrodynamic Conditions Using Solid State Bi-Potentiometry

Number of pages: 23 Posted: 07 Jun 2024
Shane O'Sullivan, Fernando Diaz, Ian Seymour and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute and Tyndall National Institute
Downloads 28 (1,345,526)

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Microfluidics, COMSOL Simulations, Electrochemical pH control, generator-collector, dual electrode, ultramicro interdigitated electrode array

9.

Detection of Str2 from Shiga Toxin-Producing Escherichia Coli (Stec) by a Surface Enhanced Raman Spectroscopy (Sers) Sensor Using Recycled Silicon Chips

Number of pages: 26 Posted: 28 Jul 2022
Yuqing Yang, Luiza Adela Wasiewska, Catherine Burgess, Geraldine Duffy, Pierre Lovera and Alan O'Riordan
affiliation not provided to SSRN, affiliation not provided to SSRN, Teagasc Food Research Centre, Teagasc Food Research Centre Ashtown, affiliation not provided to SSRN and Tyndall National Institute
Downloads 25 (1,385,945)

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Shiga toxin-producing Escherichia coli (E. coli), DNA detection, SERS, surface enhanced Raman spectroscopy, thiol functionalized Ag nanostructure SERS substrate

10.

On-Chip Electrochemical Detection of Dissolved Oxygen: Eliminating the Requirement for a Permeable Selective Membrane

Number of pages: 26 Posted: 01 Jul 2025
Ian Seymour, Fiona Barry, Alan O'Riordan and James Rohan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute and Tyndall National Institute
Downloads 22 (1,436,435)

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Microfabricated, dissolved oxygen, sensor, Hydrogen peroxide, interdigitated array, dual-metal

11.

Gold/Gold Oxide as a Solid State On-Chip pH Sensing Probe for Food Applications

Number of pages: 20 Posted: 23 Feb 2026
Kathleen Kennedy, Md Ridwan Adib, Karl Rönnby, Ian Seymour, Michael Nolan and Alan O'Riordan
Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute, Tyndall National Institute and Tyndall National Institute
Downloads 10 (1,548,648)

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pH sensing probe, Electroanalysis, Microelectrode, food science