Experimental Investigation of X-Ray Radiation Shielding and Radiological Properties for Various Natural Composites

Document Type : Research Articles


1 Department of Physics, Amity School of Applied Sciences, Amity University Rajasthan, Jaipur, India.

2 Department of Radiation Oncology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.

3 Department of Radiation Oncology, Max Super Specialty Hospital, Saket, New Delhi, India.

4 Laboratory, DRDO Jodhpur, India.


Background: Shielding from radiation and plan dose verification is vital during the potential applications in industrial and medical applications. A number of natural composites have been investigated for protecting against high-energy X-ray shielding. Objective: The aim is to learn about how natural composites behave under various X-ray energies at STP. Material and Methods: The radiological parameters of wood samples were determined using computed tomography imaging, specifically relative electron density (RED), Hounsfield units (HUs), and mass density (MD). Percentage attenuation was measured using a semiflux ionization chamber incorporated with a brass build-up cap and an ionization chamber placed at the beam Isocenter for a different type of natural composite. Measurements are being carried out on a Linear accelerator at an SSD of 110 cm with different collimator sizes. Results: Measured values of  HUs, RED, and MD were -232 ± 40, 0.738 ± 0.039, 0.768 ± 0.024 g/cc,-368 ± 41, 0.662 ± 0.047, 0.632 ± 0.024 g/cc, -334 ± 44, 0.639 ± 0.042, 0.666 ± 0.026 g/cc, -370±61, 0.604±0.059, 0.63± 0.036 g/cc, -433±39, 0.543±0.038, 0.608 ± 0.035 g/cc, -382±54, 0.5±0.052, 0.618 ± 0.0316 g/cc, -292±68, 0.680±0.066, 0.708 ± 0.039 g/cc, -298±27, 0.680±0.0229, 0.702± 0.131 g/cc, for Acacia Nilotica, Mangifera Indica, Azadirachta Indica, Tectona Grandis L, Ficus Religiosa, Tecomella Undulata, Sesamum Indicum, Pinus respectively. Conclusion: Measurements show that attenuation is affected by the energy of incident photons, collimator opening, and the type of density of the wood. Various radiological parameters were determined for wood samples that can be utilized to create inhomogeneous phantoms in dosimetry. The largest attenuation is found in Acacia Nilotica and Sesamum Indicum, while the lowest attenuation is found in Ficus religiosa.


Main Subjects

Volume 24, Issue 10
October 2023
Pages 3555-3561
  • Receive Date: 02 June 2023
  • Revise Date: 25 July 2023
  • Accept Date: 20 October 2023
  • First Publish Date: 20 October 2023