Outputs (15)

Cytosponge procedures produce fewer respiratory aerosols and droplets than oesophagogastroduodenoscopies (2023)
Journal Article
Gordon, G. S., Warburton, S., Parkes, S., Kerridge, A., Parra-Blanco, A., Ortiz-Fernandez-Sordo, J., & Fitzgerald, R. C. (2024). Cytosponge procedures produce fewer respiratory aerosols and droplets than oesophagogastroduodenoscopies. Diseases of the Esophagus, 37(3), Article doad061. https://doi.org/10.1093/dote/doad061

Esophagogastroduodenoscopies (EGD) are aerosol-generating procedures that may spread respiratory pathogens. We aim to investigate the production of airborne aerosols and droplets during Cytosponge procedures, which are being evaluated in large-scale... Read More about Cytosponge procedures produce fewer respiratory aerosols and droplets than oesophagogastroduodenoscopies.

Single-ended recovery of optical fiber transmission matrices using neural networks (2023)
Journal Article
Zheng, Y., Wright, T., Wen, Z., Yang, Q., & Gordon, G. S. D. (2023). Single-ended recovery of optical fiber transmission matrices using neural networks. Communications Physics, 6(1), Article 306. https://doi.org/10.1038/s42005-023-01410-x

Ultra-thin multimode optical fiber imaging promises next-generation medical endoscopes reaching high image resolution for deep tissues. However, current technology suffers from severe optical distortion, as the fiber’s calibration is sensitive to ben... Read More about Single-ended recovery of optical fiber transmission matrices using neural networks.

Bronchoscopy masks mitigate aerosols during upper gastrointestinal endoscopies (2023)
Journal Article
Phillips, F., Crowley, J., Warburton, S., Parra-Blanco, A., & Gordon, G. S. D. (in press). Bronchoscopy masks mitigate aerosols during upper gastrointestinal endoscopies. Endoscopy International Open, 11(10), E1001-E1004. https://doi.org/10.1055/a-2173-1711

Background and study aims: Upper gastrointestinal endoscopies are considered aerosol-generating procedures (AGP) that risk spread of airborne diseases such as SARS-CoV-2. We aimed to investigate where clinically approved bronchoscopy masks applied to... Read More about Bronchoscopy masks mitigate aerosols during upper gastrointestinal endoscopies.

Designing and simulating realistic spatial frequency domain imaging systems using open-source 3D rendering software (2023)
Journal Article
Crowley, J., & Gordon, G. S. (2023). Designing and simulating realistic spatial frequency domain imaging systems using open-source 3D rendering software. Biomedical Optics Express, 14(6), 2523-2538. https://doi.org/10.1364/boe.484286

Spatial frequency domain imaging (SFDI) is a low-cost imaging technique that maps absorption and reduced scattering coefficients, offering improved contrast for important tissue structures such as tumours. Practical SFDI systems must cope with variou... Read More about Designing and simulating realistic spatial frequency domain imaging systems using open-source 3D rendering software.

Air filtration mitigates aerosol levels both during and after endoscopy procedures (2023)
Journal Article
Phillips, F., Crowley, J., Warburton, S., Staniforth, K., Parra‐Blanco, A., & Gordon, G. S. (2023). Air filtration mitigates aerosol levels both during and after endoscopy procedures. DEN Open, 3(1), Article e231. https://doi.org/10.1002/deo2.231

Objectives: Upper gastrointestinal endoscopies are aerosol‐generating procedures, increasing the risk of spreading airborne pathogens. We aim to quantify the mitigation of airborne particles via improved ventilation, specifically laminar flow theatre... Read More about Air filtration mitigates aerosol levels both during and after endoscopy procedures.

Smart Surface Radio Environments (2022)
Journal Article
Gradoni, G., Di Renzo, M., Diaz-Rubio, A., Tretyakov, S., Caloz, C., Peng, Z., …Phang, S. (2022). Smart Surface Radio Environments. Reviews of Electromagnetics, 1, 1-42. https://doi.org/10.53792/roe/2022.1/21012

This Roadmap takes the reader on a journey through the research in electromagnetic wave propagation control via reconfigurable intelligent surfaces. Metasurface modelling and design methods are reviewed along with physical realisation techniques. Sev... Read More about Smart Surface Radio Environments.

Training generative adversarial networks for optical property mapping using synthetic image data (2022)
Journal Article
Osman, A., Crowley, J., & Gordon, G. S. D. (2022). Training generative adversarial networks for optical property mapping using synthetic image data. Biomedical Optics Express, 13(10), 5171-5186. https://doi.org/10.1364/boe.458554

We demonstrate the training of a generative adversarial network (GAN) for the prediction of optical property maps (scattering and absorption) using spatial frequency domain imaging (SFDI) image data sets that are generated synthetically with a free o... Read More about Training generative adversarial networks for optical property mapping using synthetic image data.

Aerosol and droplet generation in upper and lower GI endoscopy: whole procedure and event-based analysis (2022)
Journal Article
Phillips, F., Crowley, J., Warburton, S., Gordon, G. S., & Parra-Blanco, A. (2022). Aerosol and droplet generation in upper and lower GI endoscopy: whole procedure and event-based analysis. Gastrointestinal Endoscopy, 96(3), 603-611.E0. https://doi.org/10.1016/j.gie.2022.05.018

Background and Aims: Aerosol-generating procedures have become an important healthcare issue during the coronavirus disease 2019 (COVID-19) pandemic because the severe acute respiratory syndrome coronavirus 2 virus can be transmitted through aerosols... Read More about Aerosol and droplet generation in upper and lower GI endoscopy: whole procedure and event-based analysis.

Polarization-Insensitive Medium-Switchable Holographic Metasurfaces (2021)
Journal Article
Cai, H., Dolan, J. A., Gordon, G. S., Chung, T., & López, D. (2021). Polarization-Insensitive Medium-Switchable Holographic Metasurfaces. ACS Photonics, 8(9), 2581-2589. https://doi.org/10.1021/acsphotonics.1c00836

The adoption of metasurfaces has led to revolutionary advances in holography due to improved compactness, integrability, and performance. Switchable meta-holograms projecting different replay field images in a controllable manner are highly desirable... Read More about Polarization-Insensitive Medium-Switchable Holographic Metasurfaces.

Robustness to misalignment of low-cost, compact quantitative phase imaging architectures (2020)
Journal Article
Fitzpatrick, C. R. M., Wilson, A., Sawyer, T. W., Christopher, P. J., Wilkinson, T. D., Bohndiek, S. E., & Gordon, G. S. D. (2020). Robustness to misalignment of low-cost, compact quantitative phase imaging architectures. OSA Continuum, 3(10), 2660-2679. https://doi.org/10.1364/OSAC.395498

Non-interferometric approaches to quantitative phase imaging could enable its application in low-cost, miniaturised settings such as capsule endoscopy. We present two possible architectures and both analyse and mitigate the effect of sensor misalignm... Read More about Robustness to misalignment of low-cost, compact quantitative phase imaging architectures.