Characterization of Low-Cost Materials as Human Tissue Equivalent Materials


  • Amirah Afiqah Bakri Universiti Sains Malaysia
  • Nik Noor Ashikin Nik Ab Razak



Phantom, tissue equivalent materials, attenuation coefficients, mass density


A phantom is a mass of material which is similar to human tissue. It is used to investigate the effect of radiation beams on human beings and also to simulate some form of human organs or tissues such as bone, muscles and kidney. Phantom materials can range from water to complex chemical mixtures that faithfully mimic the human body as it would interact with radiation. In this study, four tissue equivalent materials (Vaseline, cork, white cement, and paraffin wax) were characterised through their attenuation coefficients (linear and mass attenuation coefficients), and mass density. Their attenuation coefficients were analysed using Energy Dispersive Spectroscopy technique (EDS) with an Americium-241 source. The experimental results were compared with theoretical results from the International Commission on Radiation Units and Measurements, Report 44 (1989). This study proves that the lung-equivalent, brain matter-equivalent and bone-equivalent would be adequate to simulate lung, brain matter and bone tissue respectively. 

Author Biography

Amirah Afiqah Bakri, Universiti Sains Malaysia

Student, School of Physics, Universiti Sains Malaysia


White, D. R. (1978). Tissue substitutes in experimental radiation physics. Medical Physics, 5(6), 467-479.

Claude, K. P., Tagoe, S. N., Schandorf, C., & Amuasi, J. (n.d.). Fabrication of a tissue characterization phantom from indigenous materials for computed tomography electron density calibration. Retrieved from

ICRU, Report44. (1989). Tissue Substitutes in Radiation Dosimetry and Measurement Bethesda.

Poletti, M. E., Gonçalves, O. D., & Mazzaro, I. (2001). X-ray scattering from human breast tissues and breast-equivalent materials. Physics in Medicine and Biology, 47(1), 47-63.

Ferreira, C., Filho, R. X., Vieira, J., Tomal, A., Poletti, M., Garcia, C., & Maia, A. (2010). Evaluation of tissue-equivalent materials to be used as human brain tissue substitute in dosimetry for diagnostic radiology. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms,268(16), 2515-2521. doi:10.1016/j.nimb.2010.05.051

White, D. R., Peaple, L. H., & Crosby, T. J. (1980). Measured Attenuation Coefficients at Low Photon Energies (9.88-59.32 keV) for 44 Materials and Tissues. Radiation Research, 84(2), 239. doi:10.2307/3575295

J.W.Byng, J.G.Mainprize, and M.J.Yaffe. (1998). X-ray characterization of breast phantom materials. Phys. Med. Biol., vol. 43, pp. 1367–1377.

Hill, R., Brown, S., & Baldock, C. (2008). Evaluation of the water equivalence of solid phantoms using gamma ray transmission measurements. Radiation Measurements, 43(7), 1258-1264. doi:10.1016/j.radmeas.2008.01.019

Midgley, S. (2005). Measurements of the X-ray linear attenuation coefficient for low atomic number materials at energies 32–66 and. Radiation Physics and Chemistry, 72(4), 525-535. doi:10.1016/j.radphyschem.2004.02.001

Farquharson, M., Spyrou, N., Al-Bahri, J., & Highgate, D. (1995). Low energy photon attenuation measurements of hydrophilic materials for tissue equivalent phantoms. Applied Radiation and Isotopes, 46(8), 783-790. doi:10.1016/0969-8043(95)00025-9

Poletti, M., Gonçalves, O., Schechter, H., & Mazzaro, I. (2002). Precise evaluation of elastic differential scattering cross-sections and their uncertainties in X-ray scattering experiments. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 187(4), 437-446. doi:10.1016/s0168-583x(01)01149-1



How to Cite

Bakri, A. A., & Ab Razak, N. N. A. N. (2019). Characterization of Low-Cost Materials as Human Tissue Equivalent Materials. Asian Journal of Applied Sciences, 7(4).