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    • 42. 发明申请
    • Tc-99m PRODUCED BY PROTON IRRADIATION OF A FLUID TARGET SYSTEM
    • Tc-99m由流体目标系统的原子辐照产生
    • US20110280357A1
    • 2011-11-17
    • US13106634
    • 2011-05-12
    • Nigel R. Stevenson
    • Nigel R. Stevenson
    • G21G1/10
    • G21G1/001G21G1/10G21G2001/0042
    • Methods for producing Tc-99m radioisotope by proton irradiation of a fluid target matrix. A method of producing Tc-99m includes irradiating a fluid target matrix comprising Mo-100 with a proton beam to transform at least a portion of Mo-100 to Tc-99m. Optionally, the fluid target matrix further includes at least one of O-18, O-16, or N-14, which upon exposure to the proton beam concurrently transform at least a portion of O-18 to F-18, at least a portion of O-16 to N-13, at least a portion of the O-16 to O-15, or at least a portion of N-14 to C-11. The method further includes isolating Tc-99m and optionally at least one of F-18, N-13, O-15, or C-11 from the irradiated fluid target matrix. An additional source of Tc-99m is available from the decay of Mo-99 that is co-produced from the Mo-100 during irradiation with the proton beam.
    • 通过流体靶基质的质子照射来生产Tc-99m放射性同位素的方法。 制备Tc-99m的方法包括用质子束照射包含Mo-100的流体靶基质以将至少一部分Mo-100转化为Tc-99m。 任选地,流体目标基质还包括O-18,O-16或N-14中的至少一种,其在暴露于质子束时同时将至少一部分O-18转化为F-18,至少一种 O-16至N-13的部分,O-16至O-15的至少一部分,或N-14至C-11的至少一部分。 该方法还包括从照射的流体靶基质中分离出Tc-99m和任选的F-18,N-13,O-15或C-11中的至少一种。 从质子束照射期间Mo-100共同生产的Mo-99的衰变可获得额外的Tc-99m源。
    • 44. 发明授权
    • Method and device for reducing positron emitting isotope labeled carbon dioxide to positron emitter isotope labeled carbon monoxide via metal oxide
    • 用于通过金属氧化物将正电子发射同位素标记的二氧化碳还原成正电子发射极同位素标记的一氧化碳的方法和装置
    • US07858374B2
    • 2010-12-28
    • US11803388
    • 2007-05-14
    • Charles Russell BuchananAndrew C. Williamson
    • Charles Russell BuchananAndrew C. Williamson
    • G01N23/00C12M1/00
    • G21G1/001G21G2001/0094
    • A method and device for reducing positron emitter isotope labeled CO2 to positron emitter isotope labeled CO generally includes introducing a volume of positron emitter isotope labeled CO2 into a first heated reaction vessel comprising a metal oxide, such as Iron (II) Oxide such that the CO2 is reduced to CO upon contact with the Iron (II) Oxide. The volume is then transferred to a second reaction vessel to remove any un-reacted CO2, preferably, via a soda-lime trap. The volume is then transferred to a target, e.g., a storage vessel or subject. The CO2 includes one of [11C] or [15O]. The first reaction vessel is, preferably, heated to a temperature of between 900 and 1000° C., and more preferably, to between 925 and 975° C., and even more preferably, to approximately 950° C. Preferably, the Iron (II) Oxide powdered and has a particle size of about −10 mesh.
    • 用于将正电子发射极同位素标记的CO 2还原为正电子发射极同位素标记的CO的方法和装置通常包括将一定体积的正电子发射极同位素标记的CO 2引入到包含金属氧化物如氧化铁(II)的第一加热反应容器中,使得CO 2 在与氧化铁(II)接触时被还原成CO。 然后将体积转移到第二反应容器中以除去任何未反应的CO 2,优选通过碱石灰捕集器。 然后将体积转移到靶,例如储存容器或受试者。 二氧化碳包括[11C]或[150]之一。 优选地,将第一反应容器加热至900至1000℃,更优选加热至925至975℃,甚至更优选至约950℃。优选地,铁( II)氧化物粉末,粒径约为-10目。
    • 46. 发明授权
    • Method for the chemical separation of GE-68 from its daughter Ga-68
    • GE-68与其女儿Ga-68化学分离的方法
    • US07728310B2
    • 2010-06-01
    • US12151865
    • 2008-05-08
    • Jonathan M. FitzsimmonsRobert W. Atcher
    • Jonathan M. FitzsimmonsRobert W. Atcher
    • B01D59/44
    • G21G1/001G21G2001/0021
    • The present invention is directed to a generator apparatus for separating a daughter gallium-68 radioisotope substantially free of impurities from a parent gernanium-68 radioisotope, including a first resin-containing column containing parent gernanium-68 radioisotope and daughter gallium-68 radioisotope, a source of first eluent connected to said first resin-containing column for separating daughter gallium-68 radioisotope from the first resin-containing column, said first eluent including citrate whereby the separated gallium is in the form of gallium citrate, a mixing space connected to said first resin-containing column for admixing a source of hydrochloric acid with said separated gallium citrate whereby gallium citrate is converted to gallium tetrachloride, a second resin-containing column for retention of gallium-68 tetrachloride, and, a source of second eluent connected to said second resin-containing column for eluting the daughter gallium-68 radioisotope from said second resin-containing column.
    • 本发明涉及一种用于将母体锗-68放射性同位素基本上不含杂质的子镓-68放射性同位素分离的发生器装置,包括含有母体锗-68放射性同位素和子镓68放射性同位素的第一含树脂柱, 连接到所述第一含树脂柱的第一洗脱液源,用于从第一含树脂柱中分离子镓-68放射性同位素,所述第一洗脱液包括柠檬酸盐,由此分离的镓是柠檬酸镓的形式,与所述第一含树脂柱连接的混合空间 第一含树脂柱,用于将盐酸源与所述分离的柠檬酸镓混合,由此将柠檬酸镓转化为四氯化镓,用于保留四氯化镓的第二含树脂的塔,以及连接到所述的四氯化镓的第二洗脱源 第二树脂柱,用于从所述第二树脂洗脱子镓-68放射性同位素 含n柱。