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    • 3. 发明授权
    • Magnetically responsive nanoparticle therapeutic constructs and methods of making and using
    • 磁响应纳米颗粒治疗结构及其制备和使用方法
    • US08651113B2
    • 2014-02-18
    • US12505111
    • 2009-07-17
    • Charles E. SeeneyJim KlostergaardWilliam A. YuillDonald D. Gibson
    • Charles E. SeeneyJim KlostergaardWilliam A. YuillDonald D. Gibson
    • A61B19/00
    • A61N2/12A61K9/1641A61K9/1676A61K9/5094
    • Magnetically responsive therapeutic carriers comprise nanoparticles including single-domain nanoparticles comprising magnetite and having an average particle size ranging between 1 and 50 nanometers, clusters of the single-domain nanoparticles, the clusters having an average cluster size ranging between 5 and 1000 nanometers, and mixtures of the two. The single-domain nanoparticles are encapsulated with a silica coating. A silane coupling agent is bonded to the silica coating and has a specific pendant functional group capable of selectively binding with the therapeutic. Preferably, the bond between the specific pendant functional group and the therapeutic is a covalent bond. The movement of magnetically responsive nanoparticle therapeutic constructs, with concentration and extravasation/endocytosis at a target site, such as cancerous tumors, uses a controllable magnetic field generator adapted to move the therapeutic constructs in three dimensions, and is enhanced using a repetitively-varying magnetic field. A method for treating cancer comprises administering and magnetically guiding a therapeutic construct comprising paclitaxel.
    • 磁响应治疗载体包括纳米颗粒,其包括包含磁铁矿并且具有1至50纳米的平均粒度范围的单畴纳米颗粒,单畴纳米颗粒的簇,簇的平均簇尺寸为5至1000纳米,混合物 的两个。 单畴纳米颗粒用二氧化硅涂层包封。 硅烷偶联剂与二氧化硅涂层结合,并具有能够与治疗剂选择性结合的特异性侧链官能团。 优选地,特定侧基官能团与治疗剂之间的键是共价键。 磁性反应性纳米颗粒治疗构建体的运动,在靶位点(如癌性肿瘤)上具有浓度和外渗/内吞作用,使用可控磁场发生器,其适于在三维中移动治疗构建体,并且使用重复变化的磁 领域。 用于治疗癌症的方法包括施用和磁性引导包含紫杉醇的治疗构建体。
    • 5. 发明申请
    • Magnetically Responsive Nanoparticle Therapeutic Constructs and Methods of Making and Using
    • 磁响应纳米颗粒治疗结构及其使用方法
    • US20110130616A1
    • 2011-06-02
    • US12505111
    • 2009-07-17
    • Charles E. SeeneyJim KlostergaardWilliam A. YuillDonald D. Gibson
    • Charles E. SeeneyJim KlostergaardWilliam A. YuillDonald D. Gibson
    • A61N2/04A61N2/00A61N2/02A61K9/16A61K31/335A61K9/14B82Y5/00
    • A61N2/12A61K9/1641A61K9/1676A61K9/5094
    • Magnetically responsive therapeutic carriers comprise nanoparticles including single-domain nanoparticles comprising magnetite and having an average particle size ranging between 1 and 50 nanometers, clusters of the single-domain nanoparticles, the clusters having an average cluster size ranging between 5 and 1000 nanometers, and mixtures of the two. The single-domain nanoparticles are encapsulated with a silica coating. A silane coupling agent is bonded to the silica coating and has a specific pendant functional group capable of selectively binding with the therapeutic. Preferably, the bond between the specific pendant functional group and the therapeutic is a covalent bond. The movement of magnetically responsive nanoparticle therapeutic constructs, with concentration and extravasation/endocytosis at a target site, such as cancerous tumors, uses a controllable magnetic field generator adapted to move the therapeutic constructs in three dimensions, and is enhanced using a repetitively-varying magnetic field. A method for treating cancer comprises administering and magnetically guiding a therapeutic construct comprising paclitaxel.
    • 磁响应治疗载体包括纳米颗粒,其包括包含磁铁矿并且具有1至50纳米的平均粒度范围的单畴纳米颗粒,单畴纳米颗粒的簇,簇的平均簇尺寸为5至1000纳米,混合物 的两个。 单畴纳米颗粒用二氧化硅涂层包封。 硅烷偶联剂与二氧化硅涂层结合,并具有能够与治疗剂选择性结合的特异性侧链官能团。 优选地,特定侧基官能团与治疗剂之间的键是共价键。 磁性反应性纳米颗粒治疗构建体的运动,在靶位点(如癌性肿瘤)上具有浓度和外渗/内吞作用,使用可控磁场发生器,其适于在三维中移动治疗构建体,并且使用重复变化的磁 领域。 用于治疗癌症的方法包括施用和磁性引导包含紫杉醇的治疗构建体。
    • 6. 发明授权
    • Method and apparatus for producing titanium dioxide
    • 用于生产二氧化钛的方法和设备
    • US06207131B1
    • 2001-03-27
    • US08887649
    • 1997-07-03
    • John C. MagyarAlan J. MorrisGlenn D. WoottenWilliam A. Yuill
    • John C. MagyarAlan J. MorrisGlenn D. WoottenWilliam A. Yuill
    • C01G23047
    • C01G23/07
    • A process for reacting titanium tetrachloride vapors with oxygen to produce titanium dioxide wherein the oxygen is introduced into the reactor in at least two points. The process has the ability to control properties, such as particle size, of the raw pigment produced. The temperature of the oxygen introduced to the reactor at the further inlet point is above, below, or at the same temperature of the oxygen introduced at the first inlet point. The further inlet point can be located before or after the all the titanium tetrachloride has been introduced into the reactor. The titanium tetrachloride is introduced at a relatively low temperature, below about 427° C., and the reaction temperature in the reactor is at least about 700° C. The process includes the use of an auxilary fuel such as carbon monoxide, methane, propane, butane, pentane, hexane, benzene, xylene, toluene, or combinations thereof for increasing the temperature in the reactor. Still further, the process for producing titanium dioxide provides for the addition of aluminum chloride to the reactor. Advantageously, the process allows the pressure in the reactor to be above atmospheric pressure and range between about 0.15 MPa and 4.0 MPa above atmospheric pressure during the production of titanium dioxide. A reactor is also provided with an aluminum chloride generator for heating the titanium tetrachloride and delivering aluminum chloride to the reactor.
    • 一种使四氯化钛蒸气与氧反应产生二氧化钛的方法,其中氧气至少在两个点被引入反应器中。 该方法具有控制生产的原料颜料的性质,例如粒度的能力。 在另一入口点处引入反应器的氧的温度高于,低于或在与在第一入口点处引入的氧的相同温度下。 进一步的入口点可以位于将四氯化钛全部引入反应器之前或之后。 四氯化钛在相对较低的温度下引入,低于约427℃,反应器中的反应温度至少为约700℃。该方法包括使用辅助燃料如一氧化碳,甲烷,丙烷 ,丁烷,戊烷,己烷,苯,二甲苯,甲苯或其组合,以提高反应器中的温度。 此外,制备二氧化钛的方法提供了向反应器中加入氯化铝。 有利地,该方法允许反应器中的压力高于大气压力,并且在二氧化钛生产期间在大气压力之间的约0.15MPa和4.0MPa之间的范围。 反应器还设有用于加热四氯化钛并将氯化铝输送到反应器的氯化铝发生器。
    • 8. 发明授权
    • Processes and apparatus for reacting gaseous reactants containing solid particles
    • 用于使含有固体颗粒的气态反应物反应的方法和装置
    • US06835361B2
    • 2004-12-28
    • US09822565
    • 2001-03-30
    • William A. YuillCharles A. Natalie
    • William A. YuillCharles A. Natalie
    • B01D500
    • B01J4/001B01J12/02B01J19/2405B01J19/2415B01J2219/00094B01J2219/00155B01J2219/00159B01J2219/00164C01G23/07
    • The present invention provides improved processes and apparatus for reacting high flow rates of one or more gaseous reactants in tubular reactors. The improved processes and apparatus allow such reactions to be carried out with a low pressure drop across the reactor and without excessive erosion due to solid particles carried with or picked up by the gaseous reactants. A process of this invention is basically comprised of the steps of swirling a gaseous reactant which may contain or pick up solid particles in a first annular plenum chamber followed by a second larger diameter annular plenum chamber and then introducing the gaseous reactant and solid particles into a reactor by way of two or more radial slots whereby said gaseous reactant and solid particles are caused to flow into said reactor and are uniformly distributed therein.
    • 本发明提供用于使管流反应器中一种或多种气态反应物的高流速反应的改进方法和装置。 改进的方法和装置允许这样的反应在反应器的低压降下进行,并且由于由气态反应物携带或拾取的固体颗粒而没有过度的侵蚀。 本发明的方法基本上包括以下步骤:旋转气态反应物,所述气态反应物可以在第一环形增压室中紧随着第二较大直径的环形增压室容纳或吸收固体颗粒,然后将气态反应物和固体颗粒引入 反应器通过两个或更多个径向槽,由此使所述气态反应物和固体颗粒流入所述反应器并均匀分布在其中。