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    • 1. 发明授权
    • Agitation stabilizer in solid-phase peptide synthesizer
    • 固相肽合成仪中的搅拌稳定剂
    • US5344613A
    • 1994-09-06
    • US9080
    • 1993-01-26
    • Kiyoshi NokiharaRintaro YamamotoMakoto HazamaShin Nakamura
    • Kiyoshi NokiharaRintaro YamamotoMakoto HazamaShin Nakamura
    • B01J19/00B01L99/00C07K1/04C08F2/00C40B40/10C40B60/14C07K5/00
    • B01L99/00B01J19/0046C07K1/045B01J2219/00286B01J2219/00288B01J2219/005B01J2219/0059B01J2219/00596B01J2219/00725C40B40/10C40B60/14
    • In an automated solid-phase peptide synthesizing apparatus comprising at least one reaction vessel containing particulate resin as an insoluble support matrix which anchors elongating peptide chains yielded through coupling-assembly formation of peptide bonds, mixing agitation of reagents, as well as circulation agitation of washing solvents flushing the coupling-associated reaction solutions, introduced in peptide chain-assembly process steps into the reaction vessel, is effected by the bubbling of an inert gas forcibly passed through the reagents or washing solvent via a drainage port of the reaction vessel, in order to promote peptide synthesis. A removable agitation stabilizer is inserted into the reaction vessel as a barrier for inhibiting extra-vessel escape, due to action of the bubbling inert gas, of the reagents as well as the washing solvents, and of the support matrix anchoring the elongating peptide chains. The stabilizer also breaks clumping and coagulative skinning of elongated peptides bound to the support matrix, as effects further consequent of the action of the bubbling inert gas and levitated thereby toward the mouth of the reaction vessel during peptide synthesis. The stabilizer additionally acts as a baffle furthering mixing agitation, to promote dispersive mixing of the peptidyl resin with the reagents and washing solvents during peptide chain assembly; and It also serves to distribute washing solvents evenly along the inner surface of the reaction vessel.
    • 在一种自动化固相肽合成装置中,包括至少一个含有颗粒状树脂作为不溶性支持基质的反应容器,该反应容器通过肽键的偶联 - 组装形成固定延伸的肽链,混合搅拌试剂以及循环搅拌洗涤 将通过肽链组装工艺步骤引入反应容器的偶联相关反应溶液冲洗到反应容器中,通过以反应容器的排水口强制通过试剂或洗涤溶剂的惰性气体起泡 促进肽合成。 将可移除的搅拌稳定剂插入到反应容器中,作为阻止由于起泡惰性气体的作用以及洗涤溶剂和固定伸长肽链的载体基质而导致的外部容器逸出的屏障。 稳定剂还破坏结合到载体基质上的细长肽的结块和凝结性皮肤剥离,其作用是由于气泡惰性气体的作用而进一步引起,并且由此在肽合成期间悬浮于反应容器口中。 稳定剂另外作为进一步混合搅拌的挡板,以促进肽链组装期间肽基树脂与试剂和洗涤溶剂的分散混合; 并且还用于沿着反应容器的内表面均匀分布洗涤溶剂。
    • 2. 发明授权
    • Apparatus for isolation of synthetic peptide without mechanical loss
    • 无机械损失分离合成肽的装置
    • US5356596A
    • 1994-10-18
    • US22036
    • 1993-02-24
    • Kiyoshi NokiharaRintaro YamamotoShin Nakamura
    • Kiyoshi NokiharaRintaro YamamotoShin Nakamura
    • B01J19/00C07K1/04C08F2/00C40B40/10C40B50/14C40B60/14B01L3/00C12M1/00
    • C07K1/045B01J19/0046B01J2219/00286B01J2219/00288B01J2219/00308B01J2219/00454B01J2219/005B01J2219/00725C40B40/10C40B50/14C40B60/14
    • In connection with an automated peptide synthesizer, an apparatus and associated method through which peptides produced in simultaneous multiple synthesis are together isolable. Cleavage to liberate the peptides from linkage to the support matrix of the solid phase is carried out in the same vessels in which the synthesizing reactions took place. Prior to cleavage, a drainage port of each reaction vessel is closed off by a cap. The reaction vessel is inserted into a centrifuge tube, which in turn is put into a rack supporting a number of tubes equal to the number of channels of the peptide synthesizing apparatus. After the peptides are cleaved and dissolved into cleaving solution added into each of the reaction vessels, the caps are removed from the drainage ports of each reaction vessel, and the vessel is returned into the centrifuge tube. A plastic jet-fitting attached to the nozzle tip of a blow unit pressure gun is inserted into and pressed into contact against the supply opening of the reaction vessel. Operating a trigger of the pressure gun releases pressurized inert gas into the reaction chamber. The peptide-dissolved cleaving solution is thereby passed through the drainage port, and is thus transferred in liquid phase into the centrifuge tube as filtrate. Associated with the blow unit pressure gun, a needle tube fitting is provided for localized desiccation of wetted peptide following precipitation and centrifuging.
    • 关于自动肽合成仪,同时多重合成中产生的肽一起可分离的装置和相关方法。 在与发生合成反应的相同的容器中进行从固定相的支持基质的连接释放肽的切割。 在切割之前,每个反应容器的排水口由盖封闭。 将反应容器插入到离心管中,该离心管又被放入支架中,该支架中的多个管等于肽合成装置的通道数。 在肽被切割并溶解到每个反应容器中的裂解溶液中之后,从每个反应容器的排出口移除盖子,并将容器返回到离心管中。 将附接到吹塑单元压力枪的喷嘴尖端的塑料喷射管插入并压接到反应容器的供应开口。 操作压力枪的触发器将加压的惰性气体释放到反应室中。 因此,肽溶解的解离溶液通过排出口,因此以液相方式转移到作为滤液的离心管中。 与吹气单元压力枪相关联,提供针管配件,用于沉淀和离心后的湿肽的局部干燥。
    • 9. 发明授权
    • Disc grinders
    • 圆盘磨床
    • US09102032B2
    • 2015-08-11
    • US13285463
    • 2011-10-31
    • Shin NakamuraKenji Mukoyama
    • Shin NakamuraKenji Mukoyama
    • B24B55/05B24B23/02
    • B24B23/028B24B55/05
    • A disc grinder includes a grinding wheel cover rotatably mounted to a gear housing about an axis of a spindle. A stopper device can restrict a position adjustable range of the grinding wheel cover of the spindle and includes a first stopper on the side of the grinding wheel cover and a second stopper on the side of the gear housing. The first stopper and the second stopper have stopper surfaces for contacting with each other. An impact absorbing device can absorb an impact produced when the stopper surfaces contact with each other.
    • 盘式研磨机包括可围绕主轴的轴线可旋转地安装到齿轮壳体的砂轮盖。 止动装置可以限制主轴的砂轮盖的位置可调整范围,并且包括在砂轮盖侧面的第一止动件和在齿轮壳体一侧的第二止动件。 第一止动件和第二止动件具有用于彼此接触的止动表面。 冲击吸收装置可以吸收当止动器表面彼此接触时产生的冲击。