Optical characterization of a new composition of acrylic acid hydrogel dosimeter for quality assurance in radiotherapy treatment

Rabaeh, Khalid A.; Moftah, Belal; Moussa, Akram A.; Issa, Abdullah S. Bani; Al Kafi, Md A.

doi:10.1007/s10967-024-09690-5

J Radioanal Nucl Chem

2024

DOI: 10.1007/s10967-024-09690-5

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Optical characterization of a new composition of acrylic acid hydrogel dosimeter for quality assurance in radiotherapy treatment

Khalid A. Rabaeh,

Belal Moftah,

Akram A. Moussa

et al.

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Cited by 2 publications

References 54 publications

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Utilizing acrylic acid polymer hydrogel for 3-D quality assurance in CyberKnife radiotherapy

Awad,

Rabaeh,

Almousa

et al. 2025

Radiation Physics and Chemistry

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Utilizing acrylic acid polymer hydrogel for 3-D quality assurance in CyberKnife radiotherapy

Awad,

Rabaeh,

Almousa

et al. 2025

Radiation Physics and Chemistry

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Chlorophyll films for radiation dosimetry: a feasibility study

Chand,

Priyamvda,

Prasher

et al. 2024

Phys. Scr.

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Novel Chlorophyll-PVA composite films have been prepared and tested for the dosimetry of therapeutic radiation. The radiation response has been quantified using UV-Vis spectroscopy. FTIR and XRD spectroscopies have been used to characterize the physical properties and irradiation response of the films. The films have shown response towards the therapeutic x-rays beams of 6 MV nominal energy in the tested dose range of 0.25 Gy to 32 Gy in discrete dose levels occurring in the geometric progression series of 2. The dosimeter has been found to exhibit sensitivity at a low dose of 0.25 Gy. The dose response curve of the dosimeter exhibits an exponential relationship of the absorbance and absorbed dose. A region of saturated absorbance has been observed beyond 4 Gy. The peak intensities of the FTIR spectra have been found to decrease with increasing doses as compared to the unirradiated samples, because of the changes in the bond polarities and molecular geometries. The XRD spectra indicates a change in the molecular orientation resulting in a decrease in peak intensity with increasing dose. This study indicates the feasibility of chl-PVA films in the dosimetry of therapeutic radiation. This film dosimeter can be processed locally with minimum resources and standardized against a known standard before clinical use. The chlorophyll molecules need careful handling owing to their sensitivity to light and temperature.

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Optical characterization of a new composition of acrylic acid hydrogel dosimeter for quality assurance in radiotherapy treatment

Cited by 2 publications

References 54 publications

Utilizing acrylic acid polymer hydrogel for 3-D quality assurance in CyberKnife radiotherapy

Utilizing acrylic acid polymer hydrogel for 3-D quality assurance in CyberKnife radiotherapy

Chlorophyll films for radiation dosimetry: a feasibility study

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