Tang, W; Plassmann, P; Machin, G; Simpson, R; Edmonds, M E; Petrova, N L (2026) Thermography of the Plantar Region Alone is Not Sufficient to Detect All Areas at Risk of Ulceration in Diabetic Foot Patients. The International Journal of Lower Extremity Wounds, 25 (1). pp. 252-254.

Liew, H; Tang, W; Plassmann, P; Machin, G; Simpson, R; Edmonds, M E; Petrova, N L (2025) Infrared Thermography Shows That a Temperature Difference of 2.2°C (4°F) or Greater Between Corresponding Sites of Neuropathic Feet Does Not Always Lead to a Diabetic Foot Ulcer. Journal of Diabetes Science and Technology, 19 (6). pp. 1624-1634.

Koko, A; Bond, W; Simpson, R; Lodeiro, M; Mendieta, A; Sutton, G (2024) Investigating the Microstructural Evolution of Inconel 718 Under a Controlled Thermal Gradient. In: 10th International Conference on Advances in Materials, Manufacturing and Repair for Power Plants (AM-EPRI 2024), 15-18 October 2024, Bonita Springs, FL, USA.

Yamada, Y; Harris, S; Hayes, M; Simpson, R; Wimmer, W; Holmes, R; Nightingale, T; Lee, A; Jepsen, N; Morgan, N; Gottsche, F M; Niclos, R; Perello, M; Donlon, C; Fox, N (2024) 2022 CEOS International Thermal Infrared Radiometer Comparison: Part I: Laboratory Comparison of Radiometers and Blackbodies. Journal of Atmospheric and Oceanic Technology, 41 (3). pp. 295-307.

Machin, G; Bell, S; Carroll, P; Lorusso, G; Pearce, J; Simpson, R; Sutton, G; Zeqiri, B; Allen, A; Bernard, R; Hepworth, S (2023) Metrology Enabled Decommissioning - 23009. In: Waste Management Symposium (WM2023), 26 February 2 March 2023, Phoenix, Arizona, USA.

Bond, W; Panicker, V; McMillan, J; Simpson, R; Hayes, M; Machin, G; Casarosa, G; Etchells, J (2023) A metrology enabled thermal imager for thermal vacuum testing. Quantitative InfraRed Thermography Journal, 20 (4). pp. 182-197.

Macdonald, A; Petrova, N; Ainarker, S; Allen, J; Lomas, C; Tang, W; Plassmann, P; Whittam, A; Bevans, J; Ring, F; Kluwe, B; Simpson, R; Rogers, L; Machin, G; Edmonds, M (2019) Between visit variability of thermal imaging of feet in people attending podiatric clinics with diabetic neuropathy at high risk of developing foot ulcers. Physiological Measurement, 40 (8). 084004 ISSN 1361-6579

Machin, G; Simpson, R; McEvoy, H C; Whittam, A (2019) NPL contributions to the standardisation and validation of contemporary medical thermometry methods. Physiological Measurement, 40 (5). 05TR01 ISSN 1361-6579

Liew, H; Tang, W; Plassmann, P; Ring, F; Whittam, A; Rogers, L; Simpson, R; Machin, G; Edmonds, M E; Petrova, N L (2019) A temperature rise in the diabetic foot is not always associated with ulceration. Diabetic Medicine, 36 (S1). p. 56.

Ghassemi, P; Pfefer, T J; Casamento, J P; Simpson, R; Wang, Q Z (2018) Best practices for standardized performance testing of infrared thermographs intended for fever screening. PLOS ONE, 13 (9). e0203302. e0203302 ISSN 1932-6203

Petrova, N L; Whittam, A; MacDonald, A; Ainarkar, S; Donaldson, A N; Bevans, J; Allen, J; Plassmann, P; Kluwe, B; Ring, F; Rogers, L; Simpson, R; Machin, G; Edmonds, M E (2018) Reliability of a novel thermal imaging system for temperature assessment of healthy feet. Journal of Foot and Ankle Research, 11 (1). 22 ISSN 1757-1146

Robinson, D W; Simpson, R; Parian, J A; Cozzani, A; Casarosa, G; Sablerollo, S; Ertel, H (2017) 3-D thermography for improving temperature measurements in thermal vacuum testing. CEAS Space Journal, 9 (3). pp. 333-350.

Towey, C*; Easton, C*; Simpson, R; Pedlar, C* (2017) Conventional and novel body temperature measurement during rest and exercise induced hyperthermia. J. Thermal Biol., 63. pp. 124-130.

Macdonald, A*; Petrova, N*; Ainarkar, S*; Allen, J*; Plassmann, P*; Whittam, A; Bevans, J*; Ring, F*; Kluwe, B*; Simpson, R (2017) Thermal symmetry of healthy feet: a precursor to a thermal study of diabetic feet prior to skin breakdown. Physiol. Meas., 38 (1). pp. 33-44.

Babourina-Brooks, B*; Simpson, R; Arvanitis, T N*; Machin, G; Peet, A C*; Davies, N P* (2015) MRS thermometry calibration at 3T: effects of protein, ionic concentration and magnetic field strength. MNR in Biomed., 28 (7). pp. 792-800.

Machin, G; Rusby, R L; McEvoy, H C; Simpson, R (2006) Traceability and calibration in temperature measurement: a clinical necessity. J. Med. Eng. Technol., 30 (4). pp. 212-217.

Mackechnie, C; Simpson, R (2006) Traceable calibration for blood pressure and temperature monitoring. Nursing Standard, 21 (11). pp. 42-47.

McEvoy, H C; Simpson, R; Machin, G (2004) New blackbody standard for the evaluation and calibration of tympanic ear thermometers at the NPL, UK. Proc. SPIE - Int. Soc. Opt. Eng., 5405 (1). pp. 54-60.

Machin, G; Simpson, R (2003) Tympanic thermometer performance validation by use of a body temperature fixed point blackbody. Proc. SPIE - Int. Soc. Opt. Eng., 5073. pp. 51-7.