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https://www.selleckchem.com/products/gs-9973.html The biological effectiveness of charged-particle beams depends not only on dose but also on radiation quality. The radiation quality of charged-particle beams has been most commonly represented by the linear energy transfer (LET) in radiation biology studies. We investigated a new therapeutic technique of charged-particle therapy in which two or more ion species are delivered in one treatment session for optimizing the dose and LET distributions in a patient. We refer the therapeutic technique as an Intensity Modulated composite PArtiCle Therapy (IMPACT). Helium, carbon, oxygen and neon ions are considered as ion species for the IMPACT. To demonstrate the effectiveness of the IMPACT for simultaneous optimization of dose and LET distributions, an IMPACT plan was made for a prostate case. In accordance with the prescriptions, LETs in prostate, planning target volume (PTV), and rectum could be adjusted at 80 keV/μm, at 50 keV/μm, and below 30 keV/μm, respectively, while keeping the dose to the PTV at 2 Gy uniformly. The IMPACT enables the optimization of the dose and the LET distributions in a patient, which will maximize the potential of charged-particle therapy by expanding the therapeutic window.After the end of human genome project, the cost of genetic analysis has rapidly declined with the advancement of next-generation sequencers. In addition, the relationship between various diseases and genes has been clarified. Therefore, it is likely that genetic testing may be performed in daily clinical practice in the near future. In such background, a novel research 'radiomics' is spreading to offer a new viewpoint for the use of genotype in radiological field which has traditionally focused on the analysis of imaging phenotypes. Radiomics is applied to the molecular classification or treatment strategy. This paper explains what radiomics is and what kind of changes it would bring.During the COVID-19 outbreak, China made g

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