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Multi-parameter optical fibre sensing of gaseous ammonia and carbon dioxide (2019)
Journal Article
Liu, L., Morgan, S. P., Correia, R., Lee, S., & Korposh, S. (2020). Multi-parameter optical fibre sensing of gaseous ammonia and carbon dioxide. Journal of Lightwave Technology, 38(7), 2037-2045. https://doi.org/10.1109/jlt.2019.2953271

Ammonia (NH3) and carbon dioxide (CO2) are important breath biomarkers for diagnosis of renal and respiratory diseases. Simultaneous sensing of the two gases is useful for assessment of Helicobacter Pylori infection. This study introduces a multi-par... Read More about Multi-parameter optical fibre sensing of gaseous ammonia and carbon dioxide.

Tapered optical fibre sensors: current trends and future perspectives (2019)
Journal Article
Korposh, S., James, S. W., Lee, S., & Tatam, R. P. (2019). Tapered optical fibre sensors: current trends and future perspectives. Sensors, 19(10), https://doi.org/10.3390/s19102294

The development of reliable, affordable and efficient sensors is a key step in providing tools for efficient monitoring of critical environmental parameters. This review focuses on the use of tapered optical fibres as an environmental sensing platfor... Read More about Tapered optical fibre sensors: current trends and future perspectives.

Simultaneous in situ temperature and relative humidity monitoring in mechanical ventilators using an array of functionalised optical fibre long period grating sensors (2019)
Journal Article
Hromadka, J., Hazlan, N. N. M., Hernandez, F. U., Correia, R., Norris, A., Morgan, S. P., & Korposh, S. (2019). Simultaneous in situ temperature and relative humidity monitoring in mechanical ventilators using an array of functionalised optical fibre long period grating sensors. Sensors and Actuators B: Chemical, 286, 306 - 314. https://doi.org/10.1016/j.snb.2019.01.124

An array of optical fibre long period gratings (LPGs) has been demonstrated for biomedical application to monitor temperature and relative humidity (RH) changes in the air delivered by a mechanical ventilator operating in different modes. The LPG arr... Read More about Simultaneous in situ temperature and relative humidity monitoring in mechanical ventilators using an array of functionalised optical fibre long period grating sensors.

A reflection-mode fibre-optic sensor for breath carbon dioxide measurement in healthcare (2018)
Journal Article
Liu, L., Hao, F., Morgan, S. P., Correia, R., Norris, A., & Korposh, S. (2019). A reflection-mode fibre-optic sensor for breath carbon dioxide measurement in healthcare. Sensing and Bio-Sensing Research, 22, Article 100254. https://doi.org/10.1016/j.sbsr.2018.100254

A reflection-mode carbon dioxide (CO2) fibre optic sensor (FOS) is developed based on the colorimetric change of pH indicator dye thymol blue. The CO2 sensing film comprises thymol blue and tetramethylammonium hydroxide in the form of an ion pair dop... Read More about A reflection-mode fibre-optic sensor for breath carbon dioxide measurement in healthcare.

Biomedical application of optical fibre sensors (2018)
Journal Article
Correia, R., James, S., Lee, S., Morgan, S., & Korposh, S. (2018). Biomedical application of optical fibre sensors. Journal of Optics, 20(7), Article 073003. https://doi.org/10.1088/2040-8986/aac68d

Optical fibre sensors(OFS), as a result of their unique properties such as small size, no interference with electromagnetic radiation, high sensitivity and the ability to design multiplexed or distributed sensing systems, have found applications rang... Read More about Biomedical application of optical fibre sensors.

Highly sensitive label-free antibody detection using a long period fibre grating sensor (2018)
Journal Article
Liu, L., Marques, L., Correia, R., Morgan, S. P., Lee, S., Tighe, P. J., …Korposh, S. (2018). Highly sensitive label-free antibody detection using a long period fibre grating sensor. Sensors and Actuators B: Chemical, 271, 24-32. https://doi.org/10.1016/j.snb.2018.05.109

An optical fibre long period grating (LPG) biosensor is appealing in the detection of biomolecules because of the high sensitivity, label-free and real-time measurement. The miniaturized size, ability of remote sensing and immunity to electromagnetic... Read More about Highly sensitive label-free antibody detection using a long period fibre grating sensor.

Highly sensitive volatile organic compounds vapour measurements using a long period grating optical fibre sensor coated with metal organic framework ZIF-8 (2018)
Journal Article
Hromadka, J., Tokay, B., Correia, R., Morgan, S. P., & Korposh, S. (2018). Highly sensitive volatile organic compounds vapour measurements using a long period grating optical fibre sensor coated with metal organic framework ZIF-8. Sensors and Actuators B: Chemical, 260, https://doi.org/10.1016/j.snb.2018.01.015

An optical fibre long period grating (LPG) based volatile organic compound (VOC) sensor coated with ZIF-8, a material from the zeolite imidazolate framework (ZIF) family, functional coating is presented. ZIF-8 film was deposited onto the surface of t... Read More about Highly sensitive volatile organic compounds vapour measurements using a long period grating optical fibre sensor coated with metal organic framework ZIF-8.

All-optical switching based on optical fibre long period gratings modified bacteriorhodopsin (2017)
Journal Article
Korposh, S., James, S., Partridge, M., Sichka, M., & Tatam, R. (in press). All-optical switching based on optical fibre long period gratings modified bacteriorhodopsin. Optics and Laser Technology, 101, https://doi.org/10.1016/j.optlastec.2017.11.021

All-optical switching using an optical fibre long-period gating (LPG) modified with bacteriorhodopsin (bR) is demonstrated. The switching process is based on the photo-induced RI change of bR, which in turn changes the phase matching conditions of th... Read More about All-optical switching based on optical fibre long period gratings modified bacteriorhodopsin.

Carbon dioxide measurements using long period grating optical fibre sensor coated with metal organic framework HKUST-1 (2017)
Journal Article
Hromadka, J., Tokay, B., Correia, R., Morgan, S. P., & Korposh, S. (2018). Carbon dioxide measurements using long period grating optical fibre sensor coated with metal organic framework HKUST-1. Sensors and Actuators B: Chemical, 255(3), https://doi.org/10.1016/j.snb.2017.09.041

An optical fibre long period grating (LPG) based carbon dioxide (CO2) sensor coated with HKUST-1, a material from the metal organic framework family, functional coating is presented. In-situ crystallization and layer by layer (LbL) techniques of HKUS... Read More about Carbon dioxide measurements using long period grating optical fibre sensor coated with metal organic framework HKUST-1.

Polymeric optical fibre sensor coated by SiO2 nanoparticles for humidity sensing in the skin microenvironment (2017)
Journal Article
Gomez, D., Morgan, S. P., Hayes-Gill, B. R., Correia, R., & Korposh, S. (2018). Polymeric optical fibre sensor coated by SiO2 nanoparticles for humidity sensing in the skin microenvironment. Sensors and Actuators B: Chemical, 254, 887-895. https://doi.org/10.1016/j.snb.2017.07.191

The sensitivity of a low-cost polymeric optical fibre humidity sensor based on transmittance changes due to evanescent wave absorption is reported using test measurements in an environmental chamber and of the skin. The layer-by-layer method was used... Read More about Polymeric optical fibre sensor coated by SiO2 nanoparticles for humidity sensing in the skin microenvironment.

Volatile organic compounds sensing with use of fibre optic sensor with long period grating and mesoporous nano-scale coating (2017)
Journal Article
Hromadka, J., Korposh, S., Partridge, M., James, S., Davis, F., Charlton, A., …Tatam, R. (2017). Volatile organic compounds sensing with use of fibre optic sensor with long period grating and mesoporous nano-scale coating. Sensors, 17(2), Article 205. https://doi.org/10.3390/s17020205

A long period grating (LPG) modified with a mesoporous film infused with a calixarene as a functional compound was employed for the detection of individual volatile organic compounds (VOCs) and their mixtures. The mesoporous film consisted of an inor... Read More about Volatile organic compounds sensing with use of fibre optic sensor with long period grating and mesoporous nano-scale coating.

Novel highly sensitive protein sensors based on tapered optical fibres modified with Au-based nanocoatings (2016)
Journal Article
Urrutia, A., Bojan, K., Marques, L., Mullaney, K., Goicoechea, J., James, S., …Tatam, R. (in press). Novel highly sensitive protein sensors based on tapered optical fibres modified with Au-based nanocoatings. Journal of Sensors, 2016, https://doi.org/10.1155/2016/8129387

Novel protein sensors based on tapered optical fibres modified with Au coatings deposited using two different procedures are proposed. Au-based coatings are deposited onto a nonadiabatic tapered optical fibre using (i) a novel facile method composed... Read More about Novel highly sensitive protein sensors based on tapered optical fibres modified with Au-based nanocoatings.

Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff (2016)
Journal Article
Correia, R., Blackman, O. R., Hernandez, F. U., Korposh, S., Morgan, S. P., Hayes-Gill, B. R., …Norris, A. (2016). Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff. Proceedings of SPIE, 9916, Article 99161F. https://doi.org/10.1117/12.2236859

A method for measuring the contact pressure between an endotracheal tube cuff and the trachea was designed and developed by using a fibre Bragg grating (FBG) based optical fibre sensor. The FBG sensor is encased in an epoxy based UV-cured cuboid patc... Read More about Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff.

Simultaneous temperature and humidity measurements in a mechanical ventilator using an optical fibre sensor (2016)
Journal Article
Hernandez, F., Correia, R., Morgan, S., Hayes-Gill, B., Evans, D., Sinha, R., …Korposh, S. (2016). Simultaneous temperature and humidity measurements in a mechanical ventilator using an optical fibre sensor. Proceedings of SPIE, 9916, Article 99160C. https://doi.org/10.1117/12.2236850

An optical fibre sensor for simultaneous temperature and humidity measurements consisting of one fibre Bragg grating (FBG) to measure temperature and a mesoporous film of bilayers of Poly(allylamine hydrochloride)(PAH) and silica (SiO2) nanoparticles... Read More about Simultaneous temperature and humidity measurements in a mechanical ventilator using an optical fibre sensor.

Characterization and use of a fiber optic sensor based on PAH/SiO2 film for humidity sensing in ventilator care equipment (2016)
Journal Article
Hernandez, F. U., Morgan, S. P., Hayes-Gill, B. R., Harvey, D., Kinnear, W., Norris, A., …Korposh, S. (2016). Characterization and use of a fiber optic sensor based on PAH/SiO2 film for humidity sensing in ventilator care equipment. IEEE Transactions on Biomedical Engineering, 63(9), 1985-1992. https://doi.org/10.1109/TBME.2016.2521662

Objective: To develop a compact probe that can be used to monitor humidity in ventilator care equipment. A mesoporous film of alternate layers of Poly(allylamine hydrochloride) (PAH) and silica (SiO2) nanoparticles (bilayers), deposited onto an optic... Read More about Characterization and use of a fiber optic sensor based on PAH/SiO2 film for humidity sensing in ventilator care equipment.

A long period grating optical fiber sensor with nano-assembled porphyrin layers for detecting ammonia gas (2016)
Journal Article
Wang, T., Yasukochi, W., Korposh, S., James, S. W., Tatam, R. P., & Lee, S. (2016). A long period grating optical fiber sensor with nano-assembled porphyrin layers for detecting ammonia gas. Sensors and Actuators B: Chemical, 228, https://doi.org/10.1016/j.snb.2016.01.058

In this study, the ability of a long period grating (LPG) optical fiber sensor coated with a multilayer film of poly(diallyldimethyammonium chloride) (PDDA) and tetrakis(4-sulfophenyl)porphine (TSPP) to detect ammonia gas was demonstrated. The nano-a... Read More about A long period grating optical fiber sensor with nano-assembled porphyrin layers for detecting ammonia gas.

Highly sensitive optical fibre long period grating biosensor anchored with silica core gold shell nanoparticles (2015)
Journal Article
Marques, L. M., Hernandez, F. U., James, S. W., Morgan, S. P., Clark, M., Tatam, R. P., & Korposh, S. (2016). Highly sensitive optical fibre long period grating biosensor anchored with silica core gold shell nanoparticles. Biosensors and Bioelectronics, 75, https://doi.org/10.1016/j.bios.2015.08.046

An optical fibre long period grating (LPG), modified with a coating of silica core gold shell (SiO2:Au) nanoparticles (NPs) deposited using the layer-by-layer method, was employed for the development of a biosensor. The SiO2:Au NPs were electrostatic... Read More about Highly sensitive optical fibre long period grating biosensor anchored with silica core gold shell nanoparticles.

Optical fibre long period grating gas sensor modified with metal organic framework thin films (2015)
Journal Article
Hromadka, J., Tokay, B., Korposh, S., & James, S. (2015). Optical fibre long period grating gas sensor modified with metal organic framework thin films. Sensors and Actuators B: Chemical, 221, https://doi.org/10.1016/j.snb.2015.07.027

An optical fibre long period grating (LPG) modified with a thin film of ZIF-8, zeolitic immidazol framework material, a subgroup of metal organic framework (MOF) family, was employed for the detection of organic vapours. ZIF-8 film was deposited onto... Read More about Optical fibre long period grating gas sensor modified with metal organic framework thin films.