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University of Exeter Medical School

 Hairil Abdul Razak

Hairil Abdul Razak

Senior Lecturer in Medical Imaging

 South Cloisters G21


South Cloisters, University of Exeter, St Luke's Campus, Heavitree Road, Exeter, EX1 2LU, UK


Hairil is a senior lecturer in Medical Imaging at the University of Exeter. His area of expertise is mainly in PET/CT imaging technology. He serves as an associate member of the Academy of Medicine of Malaysia (AMM), a member of the Australian Nanotechnology Network (ANN) and one of the International Atomic Energy Agency (IAEA) experts where in the 2017 year he went for an expert mission to Jaber Al Ahmad Nuclear Medicine and Molecular Imaging Centre in Kuwait.

He is currently involved in teaching undergraduate and postgraduate modules, academic tutoring of undergraduate students, mentoring of undergraduate apprentices, and supervising and co-supervising both undergraduate and postgraduate research projects at the University of Exeter and several public universities in Malaysia. He has extensive experience as internal and external thesis examiners (PhD and MSc by research). He has been appointed as an Academic Conduct Officer (ACO) for Medical Imaging Program, College of Medicine and Health, University of Exeter.

Prior to joining the University of Exeter, Hairil was an Associate Professor in Radiology at the Faculty of Medicine and Health Sciences, University Putra Malaysia (UPM). His radiography career started in the year 2005 where he worked as radiographer at a private hospital in Penang, Malaysia.


  • PhD in Medical Radiations Science, RMIT University (Australia), 2011
  • BSc (Hons.) in Diagnostic Imaging and Radiotherapy (Distinction), National University of Malaysia, 2004

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Research interests

Hairil has diverse research interests in medical imaging particularly for PET/CT, nanoparticles contrast media, CT scan, radiographic phantom development and radiation dosimetry.

Research projects

  • Quantification of information loss in PET/CT fusion imaging technique.
  • Cost effectiveness analysis of fluorocholine PET/CT in hyperparathyroidism

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Journal articles

Abdul Wahab HS, Mohd Din A, Froemming GRA, Abdul Razak HR, Ab. Rahim S, Abdul Latif AM (2023). THREE-DIMENSIONAL CULTURE SCAFFOLDS FOR OSTEOSARCOMA CANCER STEM CELLS. Journal of Health and Translational Medicine, 26(Special Issue 2), 451-461. Abstract.
Mohamad Salin NS, Md Saad WM, Abdul Razak HR, Salim F (2022). Effect of Storage Temperatures on Physico-Chemicals, Phytochemicals and Antioxidant Properties of Watermelon Juice (Citrullus lanatus). Metabolites, 12(1). Abstract.  Author URL.
Kamal I, Razak HRA, Karim MKA, Mashohor S, Liew JYC, Low YJ, Zaaba NA, Norkhairunnisa M, Rafi NASM (2022). Mechanical and Imaging Properties of a Clinical-Grade Kidney Phantom Based on Polydimethylsiloxane and Elastomer. Polymers, 14(3).
Mohamad Salin NS, Aziz MA, Sayadi @ Saidi NS, Abdul Razak HR, Md Saad WM (2022). Organoleptic Evaluation and Determination of Watermelon (Citrullus lanatus) Quality Based on Flesh Samples Between Post-Harvest Day 4 and Post-Harvest Day 8. ASM Science Journal, 17, 1-5.
Hassan H, Othman MF, Abdul Razak HR, Zakaria ZA, Ahmad Saad FF, Osman MA, Yi LH, Ashhar Z, Idris J, Abdul Hamid MHN, et al (2022). Preparation, Optimisation, and in Vitro Evaluation of [18F]AlF-NOTA-Pamidronic Acid for Bone Imaging PET. Molecules, 27(22), 7969-7969. Abstract.
Abu Bakar AA, Mohamad NS, Mahmud MH, Razak HRA, Sudin AELT, Shuib S (2022). Systematic Review on Multilevel Analysis of Radiation Effects on Bone Microarchitecture. BioMed Research International, 2022
Hassan H, Othman MF, Razak HRA (2021). 18F-labeled Bisphosphonate as an Alternative Candidate to the Gold Standard[18F]sodium fluoride ([18F]NaF) for PET Bone Imaging. Current Medical Imaging Formerly Current Medical Imaging Reviews, 17(11), 1271-1275.
Hassan H, Othman MF, Zakaria ZA, Saad FFA, Abdul Razak HR (2021). Analytical GC-FID Method for the Determination of Organic Solvents in Radiopharmaceuticals. Curr Radiopharm, 14(2), 131-144. Abstract.  Author URL.
Hassan H, Othman MF, Zakaria ZA, Ahmad Saad FF, Abdul Razak HR (2021). Assessing the influence of neglected GC-FID variables on the multiple responses using multivariate optimization for the determination of ethanol and acetonitrile in radiopharmaceuticals. SN Applied Sciences, 3(2). Abstract.
Kamal I, Karim MKA, Kechik MMA, Ni X, Razak HRA (2021). Evaluation of healthcare science student learning styles based VARK analysis technique. International Journal of Evaluation and Research in Education (IJERE), 10(1), 255-261.
Kamal I, Karim MKA, Harun HH, Abdul Razak HR, Jian LY, Chyi JLY, Kechik MMA (2021). Evaluation of radiation attenuation properties on a various composition of polydimethylsiloxane (PDMS) for fabrication of kidney phantom. Radiation Physics and Chemistry, 189 Abstract.
Hassan H, Othman MF, Zakaria ZA, Ahmad Saad FF, Abdul Razak HR (2021). Multivariate optimisation and validation of the analytical GC-FID for evaluating organic solvents in radiopharmaceutical. Journal of King Saud University - Science, 33(6). Abstract.
Mohamed MI, Mohammad MKA, Abdul Razak HR, Md Saad WM (2021). Nephrotoxicopathology properties of gold and iron oxide nanoparticles with perchloric acid & SiPEG as radiographic contrast media. Malaysian Journal of Medicine and Health Sciences, 17, 92-98. Abstract.
Hassan H, Othman MF, Abdul Razak HR (2021). Optimal <sup>18</sup>F-fluorination conditions for the high radiochemical yield of [<sup>18</sup>F]AlF-NOTA-NHS complexes. Radiochimica Acta, 109(7), 567-574. Abstract.
Hidayah Rusli NS, Zakaria F, Abdul Razak HR (2021). Quantification of muscle metabolites using proton magnetic resonance spectroscopy (<sup>1</sup>H-MRS) for incomplete spinal cord injury patients: Preliminary study. Malaysian Journal of Medicine and Health Sciences, 17(2), 4-10. Abstract.
Izdihar K, Razak HRA, Supion N, Karim MKA, Osman NH, Norkhairunnisa M (2021). Structural, Mechanical, and Dielectric Properties of Polydimethylsiloxane and Silicone Elastomer for the Fabrication of Clinical-Grade Kidney Phantom. Applied Sciences, 11(3).
Harun HH, Karim MKA, Abbas Z, Sabarudin A, Muniandy SC, Razak HRA, Ng KH (2021). The influence of iterative reconstruction level on image quality and radiation dose in CT pulmonary angiography examinations. Radiation Physics and Chemistry, 178
Harun HH, Karim MKA, Muhammad NA, Razak HRA, Sabarudin A, Muniandy SC (2020). Effect of Iterative Reconstruction Algorithm Associated with Low Contrast Detectability Performance from CT Pulmonary Angiography Examinations. Journal of Physics Conference Series, 1505(1).
Muhammad AMA, Ibrahim N, Ahmad R, Asif MK, Radzi Z, Zaini ZM, Razak HRA (2020). Effect of reconstruction parameters on cone beam CT trabecular bone microstructure quantification in sheep. BMC Oral Health, 20(1). Abstract.
Harun HH, Abdul Karim MK, Abd Rahman MA, Abdul Razak HR, Che Isa IN, Harun F (2020). Establishment of CTPA Local Diagnostic Reference Levels with Noise Magnitude as a Quality Indicator in a Tertiary Care Hospital. Diagnostics, 10(9). Abstract.
Hassan H, Razak HRA, Saad FFA, Kumar V (2019). <sup>18</sup>F[AlF]-radiolabelled peptides on the automated synthesis platform: Translating the laboratory bench work to bedside. Malaysian Journal of Medical Sciences, 26(4), 122-126. Abstract.
Azmi NA, Abdul Razak HR, Vinjamuri S (2019). PET-CT in Esophageal Cancer Management: a Cost Effectiveness Analysis Study. Malaysian Journal of Fundamental and Applied Sciences, 15(1), 121-124.
Ridwan R, Abdul Razak HR, Adenan MI, Md Saad WM (2019). Supplementation of 100% flesh watermelon [Citrullus lanatus (Thunb.) matsum. and nakai] juice improves swimming performance in rats. Preventive Nutrition and Food Science, 24(1), 41-48. Abstract.
Ridwan R, Abdul Razak HR, Adenan MI, Md Saad WM (2018). Development of Isocratic RP-HPLC Method for Separation and Quantification of L-Citrulline and L-Arginine in Watermelons. International Journal of Analytical Chemistry, 2018 Abstract.
Ridwan R, Razak HRA, Adenan MI, Saad WMM (2018). Separation of L-arginine and L-citrulline in red and yellow crimson watermelon (Citrullus lanatus) juices extract using HPLC gradient mode. Malaysian Journal of Analytical Sciences, 22(5), 785-793. Abstract.
Abdul Razak HR, Azmi NA, Vinjamuri S (2018). Utilisation of PET-CT in oesophageal cancer management: a clinician’s perspective. Pertanika Journal of Science and Technology, 26(2), 821-828. Abstract.
Md Saad WM, Mohd Nor NA, Abdul Razak HR, Mat Salleh MS, Abdul Rasid A, Hanifah R (2018). Watermelon radioprotection against radiation stress in mice. Pertanika Journal of Science and Technology, 26(2), 811-820. Abstract.
Saad WMM, Mohammad MKA, Mohamed MI, Razak HRA (2017). Enhancement of oxidative DNA damage and alteration of p53, bax, and Bcl-2 protein expressions following low dose radiation exposure. Pertanika Journal of Science and Technology, 25(S4), 41-52. Abstract.
Mustapha FA, Bashah FAA, Yassin IM, Fathinul Fikri AS, Nordin AJ, Abdul Razak HR (2017). Estimation of kidneys and urinary bladder doses based on the region of interest in 18fluorine-fluorodeoxyglucose positron emission tomography/computed tomography examination: a preliminary study. Quant Imaging Med Surg, 7(3), 310-317. Abstract.  Author URL.
Che Isa IN, Md Dom S, Abdul Razak HR, Hashim UF (2017). One-time prolonged ultrasound exposure during early pregnancy affects bone strength in young aged Oryctolagus Cuniculus. Pertanika Journal of Science and Technology, 25(1), 359-370. Abstract.
Nor NAM, Mohd Z, Razak HRA, Eshak Z, Saad WMM (2017). Synthetisation temperature-dependent cytotoxicity of bismuth oxide nanoparticles in vitro. Pertanika Journal of Science and Technology, 25(S4), 227-236. Abstract.
Mohd Nor NA, Ridwan R, Nordin NC, Abdul Razak HR, Md Saad WM (2016). In vivo assessment on acute toxicity of iron oxide nanoparticles with different coatings. Jurnal Teknologi, 78(6-7), 31-36. Abstract.
Nazmi Nordin M, Jalil Nordin A, Fikri Ahmad Saad F, Abdul Razak HR (2015). Left Ventricular 2-[<sup>18</sup>F]-Fluoro-2-Deoxy-D-Glucose Uptake Using Modified Oral Glucose Loading Protocol with Pre-Medicated Niacin on Positron Emission Tomography/Computed Tomography - a Preliminary Study. Current Molecular Imaginge, 3(3), 246-251.
Mohamed MI, Mohammad MKA, Abdul Razak HR, Abdul Razak K, Md Saad WM (2015). Nanotoxic profiling of novel iron oxide nanoparticles functionalized with perchloric acid and SiPEG as a radiographic contrast medium. BioMed Research International, 2015 Abstract.
Sun ZH, Rashmizal H, Xu L (2014). Molecular imaging of plaques in coronary arteries with PET and SPECT. Journal of Geriatric Cardiology, 11(3), 259-273. Abstract.
Mohammad MKA, Mohamed MI, Zakaria AM, Abdul Razak HR, Saad WMM (2014). Watermelon (Citrullus lanatus (Thunb.) Matsum. and Nakai) juice modulates oxidative damage induced by low dose x-ray in mice. BioMed Research International, 2014 Abstract.
Abdul Razak HR, Shaffiq Said Rahmat SM, Md Saad WM (2013). Effects of different tube potentials and iodine concentrations on image enhancement, contrast-to-noise ratio and noise in micro-CT images: a phantom study. Quant Imaging Med Surg, 3(5), 256-261. Abstract.  Author URL.
Ahmad Zaiki FW, Md Dom S, Abdul Razak HR, Hassan HF (2013). Prenatal ultrasound heating impacts on fluctuations in haematological analysis of Oryctolagus cuniculus. Quant Imaging Med Surg, 3(5), 262-268. Abstract.  Author URL.
Md Dom S, Abdul Razak HR, Ahmad Zaiki FW, Saat NH, Abd Manan K, Che Isa IN, Hashim UF (2013). Ultrasound exposure during pregnancy affects rabbit foetal parathyroid hormone (PTH) level. Quant Imaging Med Surg, 3(1), 49-53. Abstract.  Author URL.
Abdul Razak HR, Geso M, Abdul Rahim N, Nordin AJ (2011). Imaging characteristics of extrapulmonary tuberculosis lesions on dual time point imaging (DTPI) of FDG PET/CT. Journal of Medical Imaging and Radiation Oncology, 55(6), 556-562. Abstract.
Jalil Nordin A, Mohd Saini S, Abdul Razak HR, Abdul Rahim N (2011). Multimodality diagnostic imaging in tuberculous lymphadenitis - a case review. Pertanika Journal of Science and Technology, 19(1), 141-146. Abstract.
Abdul Razak HR, Nordin AJ, Ackerly T, Van Every B, Martin R, Geso M (2011). Quantifying the effects of iodine contrast media on standardised uptake values of FDG PET/CT images: an anthropomorphic phantom study. Australasian Physical and Engineering Sciences in Medicine, 34(3), 367-374. Abstract.
Hairil Rashmizal AR, Noraini AR, Rossetti C, Abdul Jalil N (2010). Brown fat uptake of <sup>18</sup>F-FDG on dual time point PET/CT imaging. Singapore Medical Journal, 51(2). Abstract.
Abdul Razak HR, Abdul Rahim N, Nordin AJ (2010). Dual time point imaging of FDG PET/CT in a tuberculous spondylodiscitis. Biomedical Imaging and Intervention Journal, 6(2). Abstract.
Hairil Rashmizal AR, Geso M, Rahim NA, Nordin AJ (2010). The effect of integrating contrast enhanced CT in FDG PET/CT imaging of Extrapulmonary Tuberculosis patients: Preliminary data. ANZ Nuclear Medicine, 41(4), 19-23. Abstract.


Mustapha FA, Abdul Razak HR, Ahmad Anwar Bashah F, M. Yassin I, Ahmad Saad FF, Nordin AJ (2018). Kidney Modeling Using a Polynomial Function. In  (Ed) Regional Conference on Science, Technology and Social Sciences (RCSTSS 2016), Springer Nature, 625-635.


Azmi NA, Razak HRA, Vinjamuri S (2017). Pre and post PET-CT impact on oesophageal cancer management: a retrospective analysis.  Abstract.
Thafarallah MTF, Mohamed WANW, Nordin NA, Razak HRBA (2014). High resolution micro-computed tomography imaging and modelling of porous copper sample.  Abstract.
Shahruddins R, Razak HRA, Saad WMM (2013). Expression of P53 Protein of Women in Menopausal Phases.  Author URL.
Dom SM, Razak HRA (2012). Diagnostic ultrasound exposure during pregnancy potentially affects rabbit fetal parathyroid hormone level.  Abstract.
Nordin AJ, Bertolazzi L, Agnese G, Diciolo L, Rahim NA, Saini SM, Aris T, Rashmizal H, Rossetti C (2009). Evaluation of the effect of contrast enhanced CT on 18F-FDG PET/CT in infection.  Author URL.
Avazpour I, Razak HRA, Abdullah RSAR, Nordin AJ, Rahim NA, Saripan MI (2009). Segmenting extra pulmonary tuberculous lesions in computed tomography images using positron emission tomography intensity markers.  Abstract.

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External Engagement and Impact


  • Excellence Service Award for year 2020, awarded by University Putra Malaysia (UPM).
  • Excellence Service Award for year 2016, awarded by University Technology MARA (UiTM).
  • Excellence Service Award for year 2013, awarded by University Technology MARA (UiTM).

Editorial responsibilities

  • Editorial Board for Quantitative Imaging in Medicine and Surgery journal
  • Editorial Board for Journal of Cardiology & Diagnostics Research

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