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이봉수,장경원,Dong Hyun Cho,유욱재,서정기,Ji Yeon Heo,조영호,박병기,문주현,Sin Kim 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.3
In this study, we used a charge coupled device to measure scintillating and Cerenkov light generated in a scintillating fiber-optic radiation sensor irradiated by high-energy photon and electron beams. The intensities of Cerenkov light are measured and characterized as a function of the incident angles of the high-energy photon and electron beams from a clinical linear accelerator. To minimize or remove Cerenkov light, we investigated a subtraction method using a dummy optical fiber and a wavelength discrimination method using optical filters. Also, the intensities of Cerenkov light induced by high-energy photon and electron beams are compared.
이봉수,최인성 한국공업화학회 2015 한국공업화학회 연구논문 초록집 Vol.2015 No.0
We prepared activation-free copolymeric films with high selectivity to biomolecules by surface-initiated Activators ReGenerated by Electron Transfer Atom Transfer Radical Polymerization (SI-ARGET ATRP) by monomers such as N-acryloxysuccinimide (NAS) and oligo(ethylene glycol) methyl ether methacrylate (OEGMEMA). Subsequently the coupling of a biotin ligand was directly performed on poly(NAS-co- OEGMEMA) films without an activation step, resulting in biotinylated, poly(NAS-co-OEGMEMA) films. Micro-contact printing (μCP) of the biotin ligand on the poly(NAS-co-OEGMEMA) films and subsequent immersion the biotin-patterned films in rhodamine-conjugated streptavidin solution was performed for evaluating feasibility of selective bioconjugation, resulting in microarray of protein.