Newcastle University

Background

Senior member of Cardiovascular Physics and Engineering Research Group based at Freeman Hospital, team led by Professor Alan Murray. Affiliated Lecturer in Newcastle University's School of Institute of Cellular Medicine. Main research interests: Cardiovascular Physics and Engineering, and particularly optical and thermal assessments of (micro)vascular disease.

Lead Clinical Scientist with non-ionising radiation focus in NHS.

Roles and Responsibilities

Lead Clinical Scientist, Microvascular and Thermal Diagnostics, Regional Medical Physics Department, Freeman Hospital / RVI, Newcastle upon Tyne.

I have established in Newcastle and manage a unique physiological measurement facility for the assessment of patients with microvascular problems (e.g. Raynaud's phenomenon, connective tissue diseases, diabetes, autonomic dysfunction), working with consultant clinicians in Rheumatology, the Northern Vascular Centre, Falls and Syncope Service, Regional Burns Centre, and Chronic Fatigue and Immunology. State-of-the-art microcirculation assessment facility opened 2009.

Qualifications

PhD Medical Physics, Newcastle University, 2002.

Memberships

Health Professions Council. Registered Clinical Scientist, (1999).

Chartered Scientist (CSci), Science Council.
Chartered Engineer (CEng), Engineering Council.

Electronics specialist group team leader of IEE (now IET) Northumbria Branch Network, 2001 on. Role includes organising the annual lecture programme and specific Branch medical lecture. Lectures for 2004-5 session were "Virtual Reality" and "Surgical Robotics" in 2004/5 session. Have also organised "Nanotechnology in Medicine" and "Forensic Computing" in 2005/6 session, "Optical techniques in Medicine" in 2006/7 session, "Thermal Imaging in Medicine" for 2007/8 session, 2008/9 MRI, and 2009/10 Microwaves and Breast Cancer Detection plus Blood Flow Assessment by Ultrasound. Optical techniques / biophotonics in early cancer detection 21/2/2011 (Prof Nick Stone). I presented the Annual Medical Lecture in January 2012.

Honours and Awards

2009/10 NHS Innovations Awards: Placed 2nd in competition for infrared related invention (May 2010).

The honour to be invited to join the PM at a Reception in Lancaster House in London (2007) - in recognition of those "Delivering excellence in Public Services".

Submitted, on behalf of Cardiovascular Physics and Engineering Research Group, the winning entries for the 2006 NHS Health and Social Care Award for Innovative Technology and the 2007 IPEM Manufacturers' Award.

Awarded Institute of Physics and Engineering in Medicine (IPEM) Travel Bursary to visit hospitals and universities in Cuba, November 2006. Also Visiting Professorship: Biofisica Medica, Santiago de Cuba, Cuba. From 2007.

Awarded Arthritis Research Campaign (ARC) Allied Health Professional Travel Bursary to attend 1st European course on Capillaroscopy, Genoa Italy, September 2004.

Languages

Symbolic and situational DNA linkage analysis.

Metaphorical cryptanalysis.

Informal Interests

Applying language skills for the good of society. 

Research Interests

1. Microvascular Imaging and Diagnostics: Optical and Thermal based measurements.

2. Multi-site photoplethysmography (PPG) measurements / analysis.

3. Endothelial Function assessments.

4. Raynaud's and Connective Tissue Disease assessment.

5. Pattern Recognition and Fuzzy Logic. 

6. Press release on recent work http://www.rmpd.org.uk/news_and_events/current_news.htm.

Other Expertise

Establishing innovative clinical measurement services - the art of risk taking.

Microcirculation assessment using mainly optical techniques, including spectroscopy (NIR, VIS, UV and fluorescence), laser Doppler, photoplethysmography, capillaroscopy, Thermal imaging, near infrared (NIR) imaging, and objective colour measurements.

Digital signal processing of biomedical signals and images, including neural networks and computation, time-frequency analysis, systems identification, spectral analysis and coherence, and computer modelling.

Current Work

Currently writing invited Topical Review with Dr Kevin Howell on specific aspects of Microvascular Measurement.

Future Research

Collaboration with colleagues from the Institute of Continuous Media Mechanic. Perm, Russia. Salford Hope Hospital Rheumatology Unit. Also with Medical Physics at Universite de Oriente, Santiaga de Cuba.

Esteem Indicators

Have contributed to the publication of more than 40 scientific papers and made more than 80 formal scientific presentations to medical and scientific colleagues.

Faculty. 2nd and 3rd European courses on capillaroscopy in rheumatic diseases. Genova Italy, September 2006 and 2008.

External PhD Examiner, Loughborough, Nottingham University and Glamorgan Universities.

External PhD Examiner, Indian Institute of Technology, Madras, India. 

Editorial Board, Physiological Measurement. Institute of Physics Publishing.

Currently working towards Fellow of the Royal Photographic Society (FRPS) - ASIS Imaging Scientist route.

Member, European capillaroscopy analysis group - RSA funded project led by Dr A Herrick, Salford. 

Member, Newcastle University and NuTH Imaging Strategy Group.

Funding

Employed as NHS Clinical Scientist.

Grant funding from the Freeman Trustees Charitable Trust and the CFS/ME Northern Network.

Philips Research: Novel neurovascular assessments.

Seeking further funding for various cardiovascular and microvascular research projects. Awarded NIHR FSF funding for 2011/2 to write grant proposals related to cardiovascular and cancer diagnostics.

Industrial Relevance

Development of novel cardiovascular techniques for detecting cardiac and vascular disease, mainly using optical and thermal based technologies.

Keywords

microvascular 

pulse wave analysis
photoplethysmography
PPG
complex regional pain syndrome
capillaroscopy
thermography
fluorescence
spectroscopy
blood pressure
photomedicine
wound healing
autonomic function
arterial stiffness
cardiovascular
surgical robot
heart rate variability
HRV
amputation
spinal cord stimulation
mirror therapy
ausculatation
percussion
endothelial function
Korotkoff sounds
tissue viability

tilt table
vasomotion
physiological measurement
chronic fatigue syndrome (CFS/ME)
thermal physiology
angiogenesis
microwave thermometry
microcirculation
O2C
British Microcirculation Society
Burn depth
angiogenesis
LDI
Laser Doppler
microwave

Bletchley 

Undergraduate Teaching

Faraday Engineer. The Institution of Engineering and Technology (IET).

Newcastle University. Affiliate Lecturer.

Science , Technology, Engineering and Mathematics Ambassador. Northumberland STEMNET.

Postgraduate Teaching

Supervisor for MSc (Modernising Scientific Careers MSc : Non-ionising Radiation module), MRes (project supervision) and MD degrees (projects). Newcastle University.

Medical Physics MSc Curriculum sub-committee.

PhD Supervisor. Biofisica Medica, Santiago de Cuba. Cuba.

Trainee Clinical Scientists.

Clinical Technologists, IPEM. 

Visiting overseas PG students.

• Langley P, DiMarco LY, King S, Duncan D, DiMaria C, Duan W, Bojarnejad M, Zheng D, Allen J, Murray A. An algorithm for assessment of quality of ECGs acquired via mobile telephones. In: Computing in Cardiology. 2011, Zhejiang University, Hangzhou, China: CinC.
• Smith FE, Bowers EJ, Langley P, Allen J, Murray A. Heart rate variability characteristics required for simulation of interval sequences. In: Computers in Cardiology. 2002, Memphis, Tennesee, USA: IEEE.
• Bowers EJ, Langley P, Drinnan MJ, Allen J, Smith FE, Murray A. Simulation of cardiac interval time series. In: Computers in Cardiology. 2002, Memphis, Tennesee, USA: IEEE.
• Allen J, Murray A. Variability of photoplethysmography peripheral pulse measurements at the ears, thumbs and toes. IEE Proceedings - Science, Measurement and Technology 2000, 147(6), 403-407.
• Allen J, Murray A. Age-related changes in peripheral pulse timing characteristics at the ears, fingers and toes. Journal of Human Hypertension 2002, 16(10), 711-717.
• Allen J, Frame JR, Murray A. Microvascular blood flow and skin temperature changes in the fingers following a deep inspiratory gasp. Physiological Measurement 2002, 23(2), 365-373.
• O'Sullivan J, Allen J, Murray A. The forgotten Korotkoff phases: How often are phases II and III present, and how do they relate to the other Korotkoff phases?. American Journal of Hypertension 2002, 15(3), 264-268.
• Allen J, Murray A. Similarity in bilateral photoplethysmographic peripheral pulse wave characteristics at the ears, thumbs and toes. Physiological Measurement 2000, 21(3), 369-377.
• Allen J, Murray A. Age-related changes in the characteristics of the photoplethysmographic pulse shape at various body sites. In: Physiological Measurement: 1st Mummy Range Workshop on Electrical Impedence Tomography. 2003, Colorado, USA: Institute of Physics Publishing Ltd.
• Drinnan MJ, Allen J, Langley P, Murray A. Detection of sleep apnoea from frequency analysis of heart rate variability. In: Computers in Cardiology 2000. 2000, Cambridge, MA, USA: Institution of Electronic and Electrical Engineers.
• Langley P, King S, Zheng D, Bowers E, Wang K, Allen J, Murray A. Predicting acute hypotensive episodes from mean arterial pressure. In: 36th Annual Computers in Cardiology Conference (CINC). 2009, Park City, Utah, USA: IEEE.
• Allen J, Overbeck K, Nath AF, Murray A, Stansby G. A prospective comparison of bilateral photoplethysmography versus the ankle-brachial pressure index for detecting and quantifying lower limb peripheral arterial disease. Journal of Vascular Surgery 2008, 47(4), 794-802.
• Stevens S, Allen J, Murray A, Jones D, Newton J. Microvascular optical assessment confirms the presence of peripheral autonomic dysfunction in primary biliary cirrhosis. Liver International 2009, 29(10), 1467-1472.
• Zheng D, Allen J, Murray A. Determination of aortic valve opening time and left ventricular peak filling rate from the peripheral pulse amplitude in patients with ectopic beats. Physiological Measurement 2008, 29(12), 1411-1419.
• Zarychta P, Sinith FE, King ST, Haigh AJ, Klinge A, Zheng D, Stevens S, Allen J, Okelarin A, Langley P, Murray A. Body Surface Potential Mapping for Detection of Myocardial Infarct Sites. In: 34th Annual Conference on Computers in Cardiology.2007,Durham, NC:IEEE
• Agarwal S, Allen J, Murray A, Purcell I. Endothelial function, inflammation and serum lipid in patients with coronary artery disease treated with statins. Heart 2007, 93, A101-A101.
• Agarwal SC, Allen J, Murray A, Purcell IF. Microvascular endothelial function is impaired in the cutaneous circulation in patients with coronary artery disease. In: JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY. 2007.
• Zheng D, Allen J, Murray A. Non-invasive in vivo assessment of changes in peripheral arterial properties with estimation of arterial volume compliance. Physiological Measurement 2007, 28(10), 1317-1327.
• Milborrow GA, Murray A, Allen J, Purcell IF. Novel laser Doppler assessment of microvascular endothelial function correlates with body mass index. Journal of the American College of Cardiology 2007, 49(9), 403A-403A.
• Allen J. Photoplethysmography and its application in clinical physiological measurement. Physiological Measurement 2007, 28(3), R1-R39.
• Allen JM, Kokkinos EM, Murray A, Diffey BL, Mokhtary SL, Meggitt SJ, Harrison DK, Walker K, Isaacs JD, Pathare S, Griffiths B. Assessment of skin fluorescence characteristics in systemic sclerosis. In: BSR Annual Meeting/BHPR Spring Meeting. 2006, Glasgow, UK: Rheumatology: S. Karger AG.
• D Zheng, J Allen and A Murray. Beat-to-beat changes in arterial compliance.. Proceedings of World Congress on Medical Physics and Biomedical Engineering 2006.
• Zheng D, Allen J, Murray A. Development of a method for determining arterial pulse propagation times and influence of arterial compliance. In: 33rd Conference on Computers in Cardiology. 2006, Valencia, Spain: IEEE.
• Agarwal S, Allen J, Murray A, Purcell I. Impaired systemic microvascular endothelial function with coronary artery disease can be detected nowinvasively using novel laser doppler techniques. In: Heart: Annual Scientific Conference of the British Society Promoting Cardiovascular Health. 2006, Glasgow, UK: BMJ Group.
• Allen JM, Overbeck K, Stansby GP, Murray A. Photoplethysmography assessments in cardiovascular disease. Measurement and Control 2006, 39(3), 80-83.
• Newton JL, Allen J, Kerr S, Jones DEJ. Reduced heart rate variability and baroreflex sensitivity in primary biliary cirrhosis. Liver International 2006, 26(2), 197-202.
• Kumar N, Griffiths B, Allen J. Thermographic and symptomatic effect of a single dose of sildenafil citrate on Raynaud's phenomenon in patients with systemic sclerosis: A potential treatment. Journal of Rheumatology 2006, 33(9), 1918-1919.
• Allen J, Oates CP, Chishti AD, Ahmed HAM, Talbot D, Murray A. Thermography and colour duplex ultrasound assessments of arterio-venous fistula function in renal patients. Physiological Measurement 2006, 27(1), 51-60.
• Allen J, Murray A. An assessment of the peripheral pulse in healthy adult subjects using multi-site photoplethysmography. In: Optical Sensors in Physiological Measurements.2005,Institute of Physics, London
• Howell K, Thomas R, Allen J, Jones C, Setsa LB. Applications of infrared thermography in medicine. In: Condition Monitoring.2005,King’s College, Cambridge
• Allen J, Schaefer CP, Oates A, Chishti I, Ahmed D, Talbot D, Murray A. Automated infrared image processing for the assessment of arterio-venous fistula function in renal patients. In: 18th Thermological Symposium of the Austrian Society of Thermology and the Ludwig Boltzmann Research Institute for Physical Diagnostics.2005,Vienna, Austria
• Allan LM, Ballard CG, Allen J, Murray A, Davidson A, Kenny R. Autonomic dysfunction is present in dementia with Lewy bodies. In: Journal of the American Geriatrics Society: Annual Meeting of the American Geriatrics Society. 2005, Orlando, Florida, USA: Wiley-Blackwell Publishing, Inc.
• Allan LM, McLaren AT, Allen J, Ballard CG, McKeith IG, Murray A, Kenny RA. Autonomic dysfunction is present in dementia with Lewy bodies. In: British Geriatrics Society Spring Meeting. 2005, Birmingham, UK.
• Allan LM, McLaren AT, Allen J, Ballard CG, McKeith IG, Murray A, Kenny RA. Autonomic dysfunction is present in dementia with Lewy bodies.. In: Journal of the American Geriatrics Society: Annual Meeting of the American Geriatrics Society.2005,Orlando, Florida, USA:Wiley-Blackwell Publishing, Inc.
• Allan LM, Kerr SRJ, Ballard CG, Allen J, Murray A, McLaren AT, Kenny RA. Autonomic function assessed by heart rate variability is normal in Alzheimer's disease and vascular dementia. Dementia and Geriatric Cognitive Disorders 2005, 19(2-3), 140-144.
• McLaren A, Kerr S, Allan L, Steen IN, Ballard C, Allen J, Murray A, Kenny RA. Autonomic function is impaired in elderly stroke survivors. Stroke 2005, 36(5), 1026-1030.
• Zheng D, Allen J, Murray A. Effect of external cuff pressure on arterial compliance. In: Computers in Cardiology. 2005, Lyon, France: IEEE.
• Allen J, Oates CP, Lees TA, Murray A. Photoplethysmography detection of lower limb peripheral arterial occlusive disease: a comparison of pulse timing, amplitude and shape characteristics. Physiological Measurement 2005,26 5 811-821.
• Allen J, Oates CP, Chishti A, Schaefer G, Zhu SY, Ahmed I, Talbot D, Murray A. Renal fistula assessment using automated thermal imaging. In: Third European Medical and Biological Engineering Conference and IFMBE European Conference on Biomedical Engineering.2005,Prague, Czech Republic
• Allen J, Oates CP, Chishti AD, Schaefer G, Zhu SY, Ahmed IAM, Talbot D, Murray A. Renal Fistula Assessment Using Automated Thermal Imaging.. In: IFMBE Proceedings: 3rd European Medical & Biological Engineering Conference (EMBEC).2005,Prague, Czech Republic:IFMBE
• Allen J, Walker K, Griffiths B, Murray A. Skin temperature and objective colour measurements in patients with Raynaud’s phenomenon secondary to connective tissue disease. In: 8th Congress of the Polish Association of Thermology.2005,Zakopane, Poland
• Smith FE, Haigh A, Wild J, Bowers EJ, King ST, Allen J, Zheng D, Langley P, Murray A. Study of the causes of blood pressure variability during manual sphygmomanometer measurement. In: IFMBE Proceedings NBC: 13th Nordic Baltic Conference on Biomedical Engineering and Medical Physics.2005,Umeå, Sweden:International Federation for Medical and Biological Engineering
• Langley P, Allen J, Bowers EJ, Drinnan MJ, Haigh AJ, King ST, Olbrich T, Smith FE, Zheng D, Murray A. The ebb and flow of heart rate variability: Simulation of 24 hour heart rate time series using time series data from naturally occurring phenomena. In: Computers in Cardiology. 2005, Lyon, France: IEEE Computer Society.
• Kumar N, Allen J, Murray A, Griffiths B. A pilot study assessing the response of single dose sildenafil citrate (Viagra) in the treatment of Raynaud’s phenomenon in patients with systemic sclerosis. In: Rheumatology: British Society for Rheumatology Annual Meeting.2004,Edinburgh, UK:Oxford University Press
• Kumar N, Allen J, Murray A, Griffiths B. A pilot study assessing the response of single dose sildenafil citrate (Viagra) in the treatment of Raynaud’s phenomenon in patients with systemic sclerosis. In: British Society of Rheumatology and British Health Professionals Spring Meeting. 2004, Edinburgh, UK.
• Langley P, Allen J, Bowers E, Drinnan M, Garcia E, King ST, Olbrich T, Sims AJ, Smith FE, Wild J, Zheng D, Murray A. Analysis of RR Interval and Fibrillation Frequency and Amplitude for Predicting Spontaneous Termination of Atrial Fibrillation.. Computers in Cardiology 2004,31 637-640.
• Allen J, Gehrke T, O'Sullivan JJ, King ST, Murray A. Characterization of the Korotkoff sounds using joint time-frequency analysis. Physiological Measurement 2004,25 1 107-117.
• Allen J, Oates CP, Chishti A, Ahmed I, Talbot D, Murray A. Combined thermal imaging and colour duplex ultrasound assessments of renal fistula patients. In: 2004 UK Symposium on Medical Infrared Thermography. 2004, NPL, Teddington. UK.
• Allen J, Walker K, Griffiths B, Murray A. Skin spectrophotometric and temperature measurements in normal subjects and patients with Raynaud’s phenomenon. Talk delivered at 2 seprate scientific sessions. In: Annual Scientific Meeting of the Institute of Physics and Engineering in Medicine.2004,York, UK
• Kumar N, Allen J, Murray A, Griffiths B. The assessment of single dose Sildenafil Citrate in the treatment of Raynaud’s phenomenon in patients with systemic sclerosis. Rheumatology 2004. In Press.
• Allen J, Murray A. Age-related changes in multi-site photoplethysmographic peripheral pulse shape characteristics at various body sites. In: Clinical Autonomic Research: Third International workshop on The Human Circulation: Non-invasive Haemodynamic, Autonomic and Vascular Monitoring. 2003, Graz, Austria: Dr. Dietrich Steinkopff Verlag.
• Allen J, Murray A. Age-related changes in peripheral pulse shape characteristics at various body sites. Physiological Measurement 2003, 24(2), 297-307.
• Langley P, Bowers EJ, Wild J, Drinnan MJ, Allen J, Sims AJ, Brown N, Murray A. An algorithm to distinguish ischaemic and non-ischaemic ST changes in the Holter ECG. In: 30th Annual Meeting on Computers in Cardiology. 2003, Thessaloniki Chalkidiki, Greece: IEEE.
• Langley P, Bowers EJ, Brown N, Wild J, Drinnan MJ, Allen J, Sims AJ, Murray A. An algorithm to distinguish ischemic and non-ischaemic ST changes in the Holter ECG. In: Computers in Cardiology Meeting. 2003, Thessaloniki, Greece: IEEE.
• McLaren AT, Allen J, Murray A, Ballard CG, Kenny RA. Cardiovascular effects of donepezil in patients with dementia. Dementia and Geriatric Cognitive Disorders 2003,15 4 183-188.
• Allen J, Murray A. Dynamic characteristics of the peripheral pulse: an investigation into the differences between right and left body sites. In: Assessment of the Active Cardiovascular System. 2003, York, UK.
• Allan LM, McLaren AT, Allen J, Ballard CG, McKeith IG, Murray A, Kenny RA. Heart rate variability is reduced in dementia with Lewy bodies but not Alzheimer’s disease or vascular dementia. In: First Congress of the International Society for Vascular Behavioural and Cognitive Disorders (VAS-COG). 2003, Gothenburg, Sweden.
• Allen J, Morgan L. Microvascular imaging and Raynaud’s. In: Rheumatology Postgraduate Meeting - Invited Lecture. 2003, Freeman Hospital, Newcastle upon Tyne.
• Allen J, Young AL, Griffiths B, Kumar N, Murray A. Subject preparation and thermal acclimatization prior to mild cold challenge testing using dynamic thermal imaging. In: Thermology International: Ninth European Congress of Medical Thermology. 2003, Krakow, Poland: UHLEN Verlagsgesellschaft m.b.H.
• Allen J, Gehrke T, King ST, O'Sullivan J, Murray A. Time and frequency analysis of the Korotkoff sounds. In: Clinical Autonomic Research: 3rd International Workshop on Non-Invasive Haemodynamic, Autonomic and Vascular Monitoring. 2003, Graz, Austria: Dr. Dietrich Steinkopff Verlag.
• Murray A, Langley P, Smith FE, Bowers E, Allen J, Olbrich T, King S, Griffiths CJ, Sims AJ. Contributions of cardiovascular physics and engineering to the solution of clinical problems. In: International Congress in Biological and Medical Engineering: The Bio-Era: New Frontiers, New Challenges. 2002, Singapore.
• Allen J, Murray A. Gender-related differences in multi-site photoplethysmographic pulse timing characteristics. In: IPEM Annual Scientific Meeting. 2002, Durham.
• Allen J, Bannerjee J. Microvascular assessment of patients with Raynaud’s. In: Northern Vascular Centre - Invited Lecture. 2002, Freeman Hospital, Newcastle upon Tyne.
• Allen J, Murray A. Photoplethysmography - a tool for assessing the microcirculation. In: Thermology International: Physiological Measurement of Raynaud's Phenomenon and Peripheral Microvascular Disorders. 2002, Royal Free Hospital, London: UHLEN Verlagsgesellschaft m.b.H.
• Allen J. [PhD Thesis] The measurement and analysis of multi-site photoplethysmographic pulse waveforms in health and arterial disease. Newcastle upon Tyne: University of Newcastle upon Tyne, 2002.
• Allen J, Murray A. Age-related changes in multi-site photoplethysmographic peripheral pulse timing characteristics. In: 2nd International workshop on non-invasive haemodynamic, autonomic and vascular monitoring. 2001, Graz, Austria.
• Allen J, Murray A. Multi-site photoplethysmographic peripheral pulse measurement and shape analysis. In: 3rd European Meeting on Pulse Wave Analysis and Large Artery Function. 2001, London: Nature Publishing Group.
• Allen J. Capillaroscopy in Healthy Subjects of Different Ages. In: Cutolo, M, ed. Atlas of Capillaroscopy in Rheumatic Diseases. Elsevier, 2000.
• Allen J, Murray A. Comparison of regional variability in multi-site photoplethysmographic pulse wave characteristics. In: Advances in Medical Signal and Information Processing, 2000. 1st International Conference. 2000, Bristol, UK: Institution of Electrical Engineers.
• Allen J, Murray A. Modelling the relationship between peripheral blood pressure and blood volume pulses using linear and neural network system identification techniques.. Physiological Measurement 1999, 20, 287-301.
• Allen J, Montague C, Murray A. Skin temperature and photoelectric plethysmography recovery characteristics during mild cold challenge testing in normal subjects.. In: British Microcirculation Society Scientific Meeting. University of Durham. Abstract published in J Vasc Res 1999; 36:327.. 1999.
• Allen J, Montague C, Murray A. Skin temperature and photoelectric plethysmography recovery characteristics during mild cold challenge testing in normal subjects.. In: British Microcirculation Society Scientific Meeting. Abstract published in J Vasc Res 1999; 36:327. 1999, University of Durham.
• Allen JM, Murray A. Assessing ECG signal quality on a coronary care unit. Physiological Measurement 1996, 17(4), 249-258.
• Allen J, Oates CP, Henderson J, Jago J, Whittingham TA, Chamberlain J, Jones NAG, Murray A. Comparison of lower limb arterial assessments using color-duplex ultrasound and ankle/brachial pressure index measurements.. Angiology 1996, 47, 225-232.
• Allen J, Murray A. Prospective assessment of an artificial neural network for the detection of peripheral vascular disease from lower limb pulse waveforms.. Physiological Measurement 1995, 16, 29-38.
• MURRAY A, ALLEN J, ALLEN V, CLAYTON RH, MCLAUGHLIN NB, RELF GT. SIMPLIFIED BODY-SURFACE ELECTROCARDIOGRAPHIC MAPS WITH DEPOLARIZATION MAGNITUDE AND DIRECTION. PHYSIOLOGICAL MEASUREMENT 1994, 15(3), 235-242.
• Allen J, Murray A. Prospective assessment of a neural network for diagnosing lower limb peripheral vascular disease using photoelectric plethysmography.. In: Biological Engineering Society. Forum on Angiology. Vascular Disease - Modality, Measurement and Management.. 1993, Dundee.
• O'Sullivan J, Allen J, Murray A. A clinical study of the Korotkoff phases of blood pressure in children. Journal of Human Hypertension 2001, 15(3), 197-201.
• Allen J, Murray A, Di Maria C, Newton JL. Chronic fatigue syndrome and impaired peripheral pulse characteristics on orthostasis-a new potential diagnostic biomarker. Physiological Measurement 2012, 33(2), 231-241.
• Drinnan MJ, Allen J, Murray A. Relation between heart rate and pulse transit time during paced respiration. Physiological Measurement 2001, 22(3), 425-432.
• Langley P, Bernardo diD, Allen J, Bowers E, Smith F, Vecchietti S, Murray A. Can paroxysmal atrial fibrillation be predicted?. In: Computers in Cardiology. 2001, Rotterdam: Institution of Electronic and Electrical Engineers.