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The production and application of therapeutic 67Cu radioisotope in nuclear medicine
김계홍,이교철,박지애,안광일,임상모,김정영,김병일 대한방사성의약품학회 2015 Journal of radiopharmaceuticals and molecular prob Vol.1 No.1
Radioisotopes emitting low-range highly ionizing radiation such as β-particles are of increasing significance in internal radiotherapy. Among the β-particle emitting radioisotopes, 67Cu is an attractive radioisotope for various nuclear medicine applications due to its medium energy β-particle, gamma emissions, and 61.83-hour half-life, which can also be used with 64Cu for PET imaging. The production and application of the β-emitting radioisotope 67Cu for therapeutic radiopharmaceutical are outlined, and different production routes are discussed. A survey of copper chelators used for antibody labeling is provided. It has been produced via proton, alpha, neutron, and gamma irradiations followed by solvent extraction, ion exchange, electrodeposition. Clinical studies using 67Cu-labelled antibodies in lymphoma, colon carcinoma and bladder cancer patients are reviewed. Widespread use of this isotope for clinical studies and preliminary treatments has been limited by unreliable supplies, cost, and difficulty in obtaining therapeutic quantities. J Radiopharm Mol Probes 1(1):23-30, 2015
다발형 광섬유 센서 및 Tapered 섬광체 방사선 센서에 관한 연구
김계홍,박재우 제주대학교 방사능이용연구소 2003 연구보고 Vol.17 No.-
Several types of gamma-ray sensors were constructed by packing different numbers of fibers into aluminum tubes, and tested to detect the ^(137)Cs gamma ray. It has been found from this investigation that tapered fibers can be more efficient to collect the lights produced inside the sensor and transfer them into the transmitting fiber. In order to predict the functioning of the tapered fiber, tapered plastic scintillators, composed of polystyrene with minute amount of dPOPOP and PPO or dPBD, were fabricated and tested for the detection of gamma rays from 1.0 1.5 3.0 5.0 μCi ^(137)Cs sources, and the pulse hight spectrum and the relationship between the radioactivity and the total counts are analyzed. It has been found from this study that the tapered scintillating optical fiber, if manufactured, can be practically applied to the development of gamma-ray sensors which can be deployed in μCi-level radiation fields.