A systematic review of clinical applications of polymer gel dosimeters in radiotherapy

B Farhood, G Geraily, SMM Abtahi - Applied Radiation and Isotopes, 2019 - Elsevier
Radiotherapy has rapidly improved because of the use of new equipment and techniques.
Hence, the appeal for a feasible and accurate three-dimensional (3D) dosimetry system has …

Review of recent advances in radiochromic materials for 3D dosimetry

K Jordan - Journal of Physics: Conference Series, 2010 - iopscience.iop.org
Recent papers concerning radiochromic films, plastics and hydrogels for 3D dosimetry are
summarized. The utility of Presage", a radiochromic plastic, with optical CT readout was …

Optical and MRI investigations of an optimized acrylamide-based polymer gel dosimeter

SM Abtahi, SMR Aghamiri, H Khalafi - Journal of Radioanalytical and …, 2014 - Springer
The first purpose of this research was improvement of sensitivity of the normoxic acrylamide-
based polymer gel dosimeter. Another aim of this study was investigation of the absorbance …

Eliminating the need for refractive index matching in optical CT scanners for radiotherapy dosimetry: I. Concept and simulations

SJ Doran, DNB Yatigammana - Physics in Medicine & Biology, 2012 - iopscience.iop.org
Optical computed tomography has now become a well-established method for making
empirical measurements of 3D dose distributions in radiotherapy treatment verification. The …

On the feasibility of optical‐CT imaging in media of different refractive index

L Rankine, M Oldham - Medical Physics, 2013 - Wiley Online Library
Purpose: Achieving accurate optical‐CT 3D dosimetry without the use of viscous refractive
index (RI) matching fluids would greatly increase convenience. Methods: Software has been …

Automated motion correction for in vivo optical projection tomography

S Zhu, D Dong, UJ Birk, M Rieckher… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
In in vivo optical projection tomography (OPT), object motion will significantly reduce the
quality and resolution of the reconstructed image. Based on the well-known Helgason …

Investigations into the feasibility of optical‐CT 3D dosimetry with minimal use of refractively matched fluids

K Chisholm, D Miles, L Rankine, M Oldham - Medical physics, 2015 - Wiley Online Library
Purpose: In optical‐CT, the use of a refractively matched polyurethane solid‐tank in place of
a fluid bath has the potential to greatly increase practical convenience, reduce cost, and …

Development of a 3D optical scanner for evaluating patient-specific dose distributions

KH Chang, S Lee, H Jung, YW Choo, YJ Cao, JB Shim… - Physica Medica, 2015 - Elsevier
Purpose This paper describes the hardware and software characteristics of a 3D optical
scanner (P3DS) developed in-house. The P3DS consists of an LED light source, diffuse …

Effects of refractive index mismatch in optical CT imaging of polymer gel dosimeters

R Manjappa, S Makki S, R Kumar… - Medical …, 2015 - Wiley Online Library
Purpose: Proposing an image reconstruction technique, algebraic reconstruction technique‐
refraction correction (ART‐rc). The proposed method takes care of refractive index …

Optical and NMR dose response of N-isopropylacrylamide normoxic polymer gel for radiation therapy dosimetry

A Mesbahi, V Jafarzadeh… - Reports of Practical …, 2012 - journals.viamedica.pl
Background Application of less toxic normoxic polymer gel of N-isopropyl acrylamide
(NIPAM) for radiation therapy has been studied in recent years. Aim In the current study the …