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Highly complementary acquisition continues IBA’s expansion strategy to lead the Radiotherapy, Medical Imaging Dosimetry and Quality Assurance markets globally Louvain-la-Neuve, Belgium, February 9, 2024 – IBA (Ion Beam Applications S.A., EURONEXT), the world leader in particle accelerator technology and a world-leading provider of dosimetry and quality assurance (QA) solutions, announced today it has signed an agreement to acquire all the assets of Radcal Corporation, a leader in diagnostic X-ra ....
We assessed the accuracy of a prototype radiation detector with a built in CMOS amplifier for use in dosimetry for high dose rate brachytherapy. The detectors were fabricated on two substrates of epitaxial high resistivity silicon. The radiation detection performance of prototypes has been tested by ion beam induced charge (IBIC) microscopy using a 5.5 MeV alpha particle microbeam. We also carried out the HDR Ir-192 radiation source tracking at different depths and angular dose dependence in a water equivalent phantom. The detectors show sensitivities spanning from (5.8 ± 0.021) × 10−8 to (3.6 ± 0.14) × 10−8 nC Gy−1 mCi−1 mm−2. The depth variation of the dose is within 5% with that calculated by TG-43. Higher discrepancies are recorded for 2 mm and 7 mm depths due to the scattering of secondary particles and the perturbation of the radiation field induced in the ceramic/golden package. Dwell positions and dwell time are reconstructed within ±1 mm and 20 ms, respectively. ....
The Radiopharmaceutical Therapy and Dosimetry Lab at Johns Hopkins Medicine, headed by George Sgouros, Ph.D., has been awarded a $15 million grant, to be dispersed over the next five years, from the National Cancer Institute at the National Institutes of Health. They will use these funds to investigate a type of radiation therapy for hard-to-treat cancers. The award will fund several research projects, all of which will investigate a promising cancer treatment known as alpha-particle em. ....
TeleDaaS revolutionizes radiopharmaceutical research by delivering highly-scalable, clinical-grade dosimetry to accelerate cancer treatment breakthroughs.. ....
The production of anthropomorphic phantoms generated from tissue-equivalent materials is challenging but offers an excellent copy of the typical environment encountered in typical patients. High-quality dosimetry measurements and the correlation of the measured dose with the biological effects elicited by it are a prerequisite in preparation of clinical trials with novel radiotherapy approaches. We designed and produced a partial upper arm phantom from tissue-equivalent materials for use in experimental high-dose-rate radiotherapy. The phantom was compared to original patient data using density values and Hounsfield units obtained from CT scans. Dose simulations were conducted for broad-beam irradiation and microbeam radiotherapy (MRT) and compared to values measured in a synchrotron radiation experiment. Finally, we validated the phantom in a pilot experiment with human primary melanoma cells. ....