Comparison of LiF (TLD-100 and TLD-100H) detectors for extremity monitoring

Freire, Luís; Calado, Adriana Santos Cunha; Cardoso, J.; Santos, Luís; Alves, José L. D.

doi:10.1016/j.radmeas.2007.12.013

Cited by 17 publications

(10 citation statements)

References 2 publications

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“…The energy dependent response of the thermoluminescent material used in this study (LiF:Mg,Cu,P) was investigated by several groups. [9][10][11][12] Monte Carlo simulations of photon spectra for 6 MV photon beams inside and outside of the primary beam were performed by Edwards and Mountford 13 and by Scarboro et al 14 They showed that the mean energy of the photons was shifted from about 1.5 MeV on the central axis down to about 0.3 MeV outside of the primary beam, close to the field edge.…”

Section: Iig Energy Correctionmentioning

confidence: 99%

Systematic measurements of whole‐body dose distributions for various treatment machines and delivery techniques in radiation therapy

Hälg¹,

Besserer²,

Schneider³

2012

Medical Physics

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This study showed that the dose outside of the treated volume is influenced by several sources. Therefore, when comparing different treatment techniques, the dose ratios vary with distance to the isocenter. The effective dose outside the treated volume of intensity-modulated treatments with or without flattening filter was 10%-30% larger when compared to 3D-conformal radiotherapy. This dose increase is much lower than the monitor unit scaled effective dose from a static treatment.

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Section: Iig Energy Correctionmentioning

confidence: 99%

Systematic measurements of whole‐body dose distributions for various treatment machines and delivery techniques in radiation therapy

Hälg¹,

Besserer²,

Schneider³

2012

Medical Physics

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show abstract

“…[40][41][42] In this study, we observed a retraction in cultured AT-MSCs with exposure strength of 50 kVp, at all exposure duration (group two, three, and four) (Figure 2). Retraction at the study of Pawitan et al 38 was found as a result of confluence imbalance in the flask; monolayer at the flask periphery and over confluence parts grew upwards, forming multiple layers, due to prolonged culture.…”

Section: Resultsmentioning

confidence: 78%

X-ray radiation effect of C-arm on adipose tissue-mesenchymal stem cell viability and population doubling time

et al. 2016

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ABSTRAK Hasil: Periode konfluens rata-rata AT-MSCs pasca-radiasi adalah 4,33 hari. Tidak ada perbedaan bermakna viabilitas sel punca sebelum dan setelah paparan sinar-X (p=0,831). Tidak terdapat korelasi antara viabilitas sel punca sebelum kultur setelah dipaparkan berbagai dosis radiasi sinar-X (p=0,138, r=0,503). Tidak ada perbedaan bermakna waktu penggandaan populasi sel punca yang dikultur setelah paparan sinar-X dan sel punca tidak dikultur setelah paparan sinar-X dan di antara kelompok sel punca yang dipaparkan berbagai dosis sinar-X (p=0,792 ABSTRACTBackground: Adipose tissue derived mesenchymal stem cells (AT-MSCs) are relatively easy in isolation procedure compared to bone marrow-derived. Minimally invasive MSC injections need C-arm as guidance that potentially influence the cell viability and doubling time. This study aimsed to determine the effect of C-arm X-ray exposure on AT-MSC viability and population doubling time (PDT).

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“…The energy dependent response of the thermoluminescence material used in this study (LiF:Mg,Cu,P), was investigated by several groups. [12][13][14][15] Monte Carlo simulations of photon spectra for photon beams produced by gantry-mounted imaging devices were performed by Ding et al 16 and Ding and Coffey 17 for the Varian OBI and by Downes et al 18 for the Elekta XVI.…”

Section: Methodsmentioning

confidence: 99%

Systematic measurements of whole‐body imaging dose distributions in image‐guided radiation therapy

2012

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Daily setup imaging using kilovoltage planar images or TomoTherapy megavoltage fan beam CT imaging can be used as a standard procedure in clinical routine. Daily kilovoltage and megavoltage cone beam computed tomography setup imaging should be applied on an individual or indication based protocol. Depending on the imaging scheme applied, image-guided radiation therapy can be administered without increasing the dose outside of the treated volume compared to therapies without image guidance.

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Comparison of LiF (TLD-100 and TLD-100H) detectors for extremity monitoring

Cited by 17 publications

References 2 publications

Systematic measurements of whole‐body dose distributions for various treatment machines and delivery techniques in radiation therapy

Systematic measurements of whole‐body dose distributions for various treatment machines and delivery techniques in radiation therapy

X-ray radiation effect of C-arm on adipose tissue-mesenchymal stem cell viability and population doubling time

Systematic measurements of whole‐body imaging dose distributions in image‐guided radiation therapy

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