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    • 2. 发明授权
    • Potentiator for radiation therapy comprising pyridine derivative as active ingredient
    • 包括吡啶衍生物作为活性成分的放射治疗剂
    • US08569324B2
    • 2013-10-29
    • US12978743
    • 2010-12-27
    • Masakazu Fukushima
    • Masakazu Fukushima
    • A61K31/435
    • C07D213/69A61K41/0038
    • The present invention relates to a radiotherapy enhancer that can reduce the radiation dose and adverse drug reactions when used in combination with a cancer radiotherapy. There is provided a radiotherapy enhancer comprising, as an active ingredient, a pyridine derivative represented by general formula (1): wherein R1, R2, and R4 may be the same or different from one another and represent a hydrogen atom, hydroxy group, or protected hydroxy group, excluding the case where R1, R2, and R4 are all a hydrogen atom, and R3 represents a halogen atom, amino group, carboxyl group, carbamoyl group, cyano group, nitro group, alkyl group having 1 to 6 carbon atoms, alkenyl group having 2 to 6 carbon atoms, or carbonyl group containing an alkoxy group having 1 to 6 carbon atoms).
    • 本发明涉及一种放射治疗增强剂,当与癌症放射治疗组合使用时,可以减少放射剂量和不良药物反应。 提供一种放射治疗增强剂,其包含作为活性成分的通式(1)表示的吡啶衍生物:其中R 1,R 2和R 4可以相同或不同,表示氢原子,羟基或 氨基,羧基,氨基甲酰基,氰基,硝基,碳原子数为1〜6的烷基,R 1,R 2,R 4全部为氢原子,R 3表示卤素原子,氨基, 具有2〜6个碳原子的烯基或含有1〜6个碳原子的烷氧基的羰基)。
    • 5. 发明授权
    • Electron gun for television camera tube
    • 电子枪电视摄像机管
    • US4540916A
    • 1985-09-10
    • US437335
    • 1982-10-28
    • Masanori MaruyamaMasakazu FukushimaShinichi KatoChihaya Ogusu
    • Masanori MaruyamaMasakazu FukushimaShinichi KatoChihaya Ogusu
    • H01J29/48H01J29/46H01J29/56
    • H01J29/488
    • An electron gun for a television camera tube comprises a cathode for emission of electrons, a first grid disposed subsequently to the cathode and having a first aperture supplied with a positive voltage relative to the cathode, a second grid disposed subsequently to the first grid and having a second aperture supplied with a higher positive voltage than that supplied to the first grid, and an intermediate grid interposed between the first and second grids and having a hole. The intermediate grid forms a divergent electron lens near the first aperture between the first and second grids. An electron beam having passed through the first aperture is once diverged by the divergent electron lens to form a crossover at an axial position of the gun which is remote from the first grid and at which the potential on the beam axis is high, whereby broadening of the width of the velocity distribution of extracted electrons can be suppressed to a minimum and the amount of beam current passing through the second aperture can be increased.
    • 一种用于电视摄像机管的电子枪包括用于发射电子的阴极,设置在阴极附近并具有相对于阴极提供正电压的第一孔径的第一栅极,以及随后设置在第一栅极上的第二栅极, 提供具有比提供给第一格栅的正电压高的正电压的第二孔,以及插入在第一栅极和第二栅极之间并具有孔的中间栅格。 中间栅格在第一和第二栅极之间的第一孔附近形成发散电子透镜。 已经通过第一孔的电子束一旦被发散的电子透镜分开,在枪的轴向位置处形成一个与第一格栅远离的轴的交叉点,并且在该轴处的波束轴上的电位高,从而使 提取的电子的速度分布的宽度可以被抑制到最小,并且可以增加通过第二孔径的束流的量。
    • 6. 发明申请
    • POTENTIATOR FOR RADIATION THERAPY COMPRISING PYRIDINE DERIVATIVE AS ACTIVE INGREDIENT
    • 用于将吡啶衍生物作为活性成分包含的放射治疗的潜在剂
    • US20090137640A1
    • 2009-05-28
    • US11910150
    • 2006-03-31
    • Masakazu Fukushima
    • Masakazu Fukushima
    • A61K31/44C07D213/69A61P35/00
    • C07D213/69A61K41/0038
    • The present invention relates to a radiotherapy enhancer that can reduce the radiation dose and adverse drug reactions when used in combination with a cancer radiotherapy. There is provided a radiotherapy enhancer comprising, as an active ingredient, a pyridine derivative represented by general formula (1): wherein R1, R2, and R4 may be the same or different from one another and represent a hydrogen atom, hydroxy group, or protected hydroxy group, excluding the case where R1, R2, and R4 are all a hydrogen atom, and R3 represents a halogen atom, amino group, carboxyl group, carbamoyl group, cyano group, nitro group, alkyl group having 1 to 6 carbon atoms, alkenyl group having 2 to 6 carbon atoms, or carbonyl group containing an alkoxy group having 1 to 6 carbon atoms).
    • 本发明涉及一种放射治疗增强剂,当与癌症放射治疗组合使用时,可以减少放射剂量和不良药物反应。 提供一种放射治疗增强剂,其包含作为活性成分的通式(1)表示的吡啶衍生物:其中R 1,R 2和R 4可以相同或不同,表示氢原子,羟基或 氨基,羧基,氨基甲酰基,氰基,硝基,碳原子数为1〜6的烷基,R 1,R 2,R 4全部为氢原子,R 3表示卤素原子,氨基, 具有2〜6个碳原子的烯基或含有1〜6个碳原子的烷氧基的羰基)。