Articles with "relative biological" as a keyword



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The clinical relative biological effectiveness and prostate‐specific antigen kinetics of carbon‐ion radiotherapy in low‐risk prostate cancer

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Published in 2022 at "Cancer Medicine"

DOI: 10.1002/cam4.5045

Abstract: To evaluate the clinical relative biological effectiveness (RBE) of carbon‐ion radiotherapy (C‐ion RT) for prostate cancer. read more here.

Keywords: biological effectiveness; prostate; clinical relative; relative biological ... See more keywords
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A double-strand-break model for the relative biological effectiveness of electrons based on ionization clustering.

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Published in 2022 at "Medical physics"

DOI: 10.1002/mp.15796

Abstract: BACKGROUND The effectiveness of ionizing radiation regarding DNA damage induction depends on its spatial energy deposition pattern. For electrons an increased effectiveness is observed at low kinetic energies due to the enhanced density of energy… read more here.

Keywords: biological effectiveness; model; double strand; relative biological ... See more keywords
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Impact of respiratory motion on variable relative biological effectiveness in 4D-dose distributions of proton therapy

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Published in 2017 at "Acta Oncologica"

DOI: 10.1080/0284186x.2017.1354131

Abstract: Abstract Background: Organ motion during radiation therapy with scanned protons leads to deviations between the planned and the delivered physical dose. Using a constant relative biological effectiveness (RBE) of 1.1 linearly maps these deviations into… read more here.

Keywords: motion; recalculation; rbe; variable rbe ... See more keywords
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Implementation of a double scattering nozzle for Monte Carlo recalculation of proton plans with variable relative biological effectiveness.

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Published in 2020 at "Physics in medicine and biology"

DOI: 10.1088/1361-6560/abc12d

Abstract: IntroductionA constant relative biological effectiveness (RBE) of 1.1 is currently used in clinical proton therapy. However, the RBE varies with factors such as dose level, linear energy transfer (LET) and tissue type. Multiple RBE models… read more here.

Keywords: rbe; variable rbe; double scattering; proton ... See more keywords
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The impact of variable relative biological effectiveness in proton therapy for left-sided breast cancer when estimating normal tissue complications in the heart and lung.

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Published in 2021 at "Physics in medicine and biology"

DOI: 10.1088/1361-6560/abd230

Abstract: The aim of this study was to evaluate the clinical impact of relative biological effectiveness (RBE) variations in proton beam scanning treatment (PBS) for left-sided breast cancer versus the assumption of a fixed RBE of… read more here.

Keywords: heart; rbe; breast; fixed rbe ... See more keywords
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Biological effectiveness and relative biological effectiveness of ion beams for in‐vitro cell irradiation

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Published in 2022 at "Cancer Science"

DOI: 10.1111/cas.15446

Abstract: Biological effectiveness and relative biological effectiveness are critical for proton and ion beam radiotherapy. However, the relationship between the two quantities and physical character of ion beams is not well established. By analyzing 1188 sets… read more here.

Keywords: biological effectiveness; ion beam; relative biological; ion beams ... See more keywords
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Relative Biological Effectiveness Values of Spot-scanning Proton Beam Therapy at Shonan Kamakura General Hospital

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Published in 2023 at "In Vivo"

DOI: 10.21873/invivo.13175

Abstract: Background/Aim: This study aimed to confirm the relative biological effectiveness (RBE) values of the proton beam therapy (PBT) system installed in Shonan Kamakura General Hospital. Materials and Methods: Clonogenic cell-survival assays were performed with a… read more here.

Keywords: cell; biological effectiveness; beam; proton beam ... See more keywords
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The Effect of Hypoxia on Relative Biological Effectiveness and Oxygen Enhancement Ratio for Cells Irradiated with Grenz Rays

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Published in 2022 at "Cancers"

DOI: 10.3390/cancers14051262

Abstract: Simple Summary Grenz rays are low energy X-rays and have been used for dermatological radiotherapy for decades. This study calculates the relative biological effectiveness (RBE) and oxygen enhancement ratio (OER) for DNA double-strand break (DSB)… read more here.

Keywords: biological effectiveness; relative biological; oxygen enhancement; enhancement ratio ... See more keywords
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High-Accuracy Relative Biological Effectiveness Values Following Low-Dose Thermal Neutron Exposures Support Bimodal Quality Factor Response with Neutron Energy

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms23020878

Abstract: Theoretical evaluations indicate the radiation weighting factor for thermal neutrons differs from the current International Commission on Radiological Protection (ICRP) recommended value of 2.5, which has radiation protection implications for high-energy radiotherapy, inside spacecraft, on… read more here.

Keywords: energy; relative biological; neutron; radiation ... See more keywords