Mostrando 221 - 240 Resultados de 288 Para Buscar '"Olinda"', tiempo de consulta: 0.22s Limitar resultados
  1. 221
    “…The maximum tolerated dose applicable in Fischer344 rats was explored via body weight monitoring of the rats after single intravenous injection of (188)Re-liposome with varying dosages before the treatment study. The OLINDA/EXM 1.1 software was utilized for estimating the radiation dosimetry. …”
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  2. 222
    “…The estimated radiation doses were calculated by OLINDA/EXM software. Eight patients with glioma were enrolled and underwent both (68)Ga-NOTA-NFB and (18)F-FDG PET/CT scans before surgery. …”
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  3. 223
    “…The residence time in these organs was calculated and radiation dose was estimated using OLINDA software. The radiation dose from the CT component was computed using the software CT-Expo and measured using computed tomography dose index (CTDI) phantom and ionization chamber. …”
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  4. 224
    “…METHODS: In this cross-sectional study, we recruited 110 women receiving regular gynecological surveillance at public health centers in Olinda – PE, Brazil. Cervicovaginal cells were collected to determine the presence of cytological abnormalities and HPV infection. …”
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  5. 225
    “…Based on these data, the absorbed organ dose coefficients for a 70-kg patient were calculated with OLINDA/EXM. For humans after an injection of 5 GBq (177)Lu-OPS201, the highest predicted absorbed doses are obtained for the kidneys (13.7 Gy), the osteogenic cells (3.9 Gy), the urinary bladder wall (1.8 Gy), and the liver (1.0 Gy). …”
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  6. 226
    “…Cumulative activities were estimated using mono-exponential fitting, and organ doses were estimated using OLINDA/EXM. The effective dose was calculated using the International Commission on Radiological Protection 103 recommendations. …”
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  7. 227
    “…Human radiation dosimetry estimates, derived from rat data, were calculated with OLINDA/EXM 1.1. RESULTS: PET-imaging and organ-harvesting estimated comparable organ RTs, with differences of 6–27 %, except for the lungs, pancreas, and urinary bladder, with differences of 48, 53, and 60, respectively. …”
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  8. 228
    “…To be used as input in OLINDA/EXM, time-activity curves were derived from manually drawn regions of interest over the following organs: brain, thyroid, lungs, heart, liver, spleen, stomach, kidneys, red marrow, pancreas, small intestine, colon, urinary bladder and whole body. …”
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  9. 229
    “…Similar values were obtained from the organ-level dosimetry when using OLINDA with adapted organ masses. Tumor doses were 0.010–0.024 mGy/MBq. …”
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  10. 230
    “…The radiation absorbed dose for the whole body was calculated by entering the residence times in the OLINDA/EXM 1.0 software. RESULTS: The mean residence times for the (18)F-Fluoro-L-DOPA in the liver, lungs, kidneys, muscles, and pancreas were 11.54 ± 2.84, 1.25 ± 0.38, 4.65 ± 0.97, 17.13 ± 2.62, and 0.89 ± 0.34 min, respectively. …”
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  11. 231
    “…Low-dose CT scan without contrast was used for anatomic localization and attenuation correction. OLINDA/EXM software was used to calculate human radiation doses using the reference adult model. …”
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  12. 232
    “…Urinary bladder wall residence time was calculated using Cloutier’s dynamic urinary bladder model with a 4-h voiding interval. OLINDA/EXM version 2.0 (Hermes Medical Solutions, Stockholm, Sweden) software was used to determine residence times in source organs by applying biexponential curve fitting and to calculate organ absorbed dose. …”
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  13. 233
    “…Patient-adjusted and scan-specific information was extracted from the electronic medical record and scanner dose-monitoring software. The VirtualDose and OLINDA/EXM (version 2.0) programs, respectively, were used to calculate the CT and the radiopharmaceutical organ absorbed doses and effective doses. …”
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  14. 234
    “…The organ-specific absorbed doses, total-body absorbed doses and (99m)Tc-HYNIC-PSMA effective doses of patients were calculated using OLINDA/EXM 1.1 software. Whole-body SPECT/CT images were also acquired from additional 10 prostate patients to investigate the feasibility of (99m)Tc-HYNIC-PSMA for imaging tumors by calculating the ratio of tumor-to-background tracer uptake at 2 h after 740 MBq administration. …”
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  16. 236
    “…Time and mass scales were adapted to the human order of magnitude and the ODs calculated using the ICRP 89 adult male phantom with OLINDA 2.1. The ED was calculated using tissue weighting factors as published in Publication 103 of the International Commission of Radiation Protection (ICRP103). …”
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  17. 237
    “…The human absorbed doses of free (211)At and (211)At-MABG were calculated using the Organ Level INternal Dose Assessment/EXponential Modeling (OLINDA/EXM) version 2.0 and IDAC-Dose 2.1. RESULTS: High uptake of free (211)At was observed in the lungs, spleen, salivary glands, stomach, and thyroid. …”
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  18. 238
    “…METHODS: A cross-sectional, multilevel study based in public high schools in the city of Olinda, Northeast Brazil. A multilevel logistic regression was performed, including 2500 adolescents enrolled in 27 schools. …”
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  19. 239
    “…Absorbed organ doses and effective doses were calculated using OLINDA/EXM. Normal organ uptake and tumor lesion uptake were measured. …”
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