利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

166 条记录 (耗时 0.036 秒)

    Methods for preparing porous metal oxides
    1.
    发明授权
    Methods for preparing porous metal oxides 失效
    多孔金属氧化物的制备方法

    公开(公告)号：US5958367A

    公开(公告)日：1999-09-28

    申请号：US729059

    申请日：1996-10-10

    申请人： Jackie Y. Ying ,  David M. Antonelli ,  Tao Sun

    发明人： Jackie Y. Ying ,  David M. Antonelli ,  Tao Sun

    IPC分类号： C01B13/32 ,  C01B37/00 ,  C01G33/00

    CPC分类号： C01G33/00 ,  C01B13/32 ,  C01B37/00 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/82 ,  C01P2004/04 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/17

    摘要： The present invention relates to a composition and a method for producing hexagonally-packed mesoporous metal oxides wherein the metal oxide is selected from transition metals and lanthanide metals. The composition includes hexagonally packed metal oxide mesostructures that are resistant to pore collapse upon removal of surfactant and are thermally stable. The composition can include a surfactant complexed with the metal. Also described are methods for producing the hexagonally-packed mesoporous metal oxides. The present invention also relates to compositions and methods for producing porous metal oxides. The compositions include microporous and mesoporous metal oxides that are resistant to pore collapse upon removal of surfactant and are thermally stable. Also described are methods for producing microporous metal oxides.

    摘要翻译： 本发明涉及一种制备六角填料介孔金属氧化物的组合物和方法，其中金属氧化物选自过渡金属和镧系金属。 该组合物包括在去除表面活性剂时耐孔隙塌陷并且是热稳定的六边形填充金属氧化物介孔结构。 组合物可以包括与金属络合的表面活性剂。 还描述了生产六边形填充的中孔金属氧化物的方法。 本发明还涉及用于制备多孔金属氧化物的组合物和方法。 所述组合物包括微孔和介孔金属氧化物，其在除去表面活性剂后具有抵抗孔隙破裂并且是热稳定的。 还描述了生产微孔金属氧化物的方法。

    Metalloporphyrin oxidation catalyst covalently coupled to an inorganic surface and method making same
    2.
    发明授权
    Metalloporphyrin oxidation catalyst covalently coupled to an inorganic surface and method making same 失效
    与无机表面共价偶联的金属卟啉氧化催化剂及其制造方法

    公开(公告)号：US6028025A

    公开(公告)日：2000-02-22

    申请号：US734170

    申请日：1996-10-21

    申请人： Jackie Y. Ying ,  Lei Zhang ,  Tao Sun

    发明人： Jackie Y. Ying ,  Lei Zhang ,  Tao Sun

    IPC分类号： B01J31/16 ,  B01J31/18 ,  B01J31/22

    CPC分类号： B01J31/1625 ,  B01J31/1815 ,  B01J2231/72 ,  B01J2531/62 ,  B01J2531/72 ,  B01J2531/821 ,  B01J2531/825 ,  B01J2531/842 ,  B01J2531/845 ,  B01J2531/847

    摘要： A system is provided including an article having a surface and a catalytic metal atom, capable of oxidation, covalently immobilized at the surface via a plurality of covalent bonds, but being free of direct covalent bonding to the surface. In particular, the invention relates to inorganic surfaces including silica, alumina, niobium oxide, or tantalum oxide, or a combination thereof and catalytic metal atoms including Fe, Mn, Cr, Ni, Co, Ru, and Os. The catalytic metal atom, covalently immobilized at the surface via a plurality of covalent bonds, can be immobilized via bonding through at least one atom that is bonded directly to the surface. The article preferably is an inorganic, mesoporous structure, in the pores of which are covalently bonded a plurality of metalloporphyrins. In particular, the catalytic metal atom, such as iron, manganese, chromium, nickel, cobalt, rhenium, and osmium are covalently bonded to a porphyrin structure which is bonded to an alumina or silica surface via bonds between the amine groups of the porphyrin structure of the alumina or silica surface. The invention also discloses supporting the catalytic metal atom bonded to the porphyrin structure via amine groups in the porphyrin and dopant atoms of the alumina or silica surface. Dopant atoms can include niobium and tantalum atoms.

    摘要翻译： 提供了一种系统，其包括具有表面和催化金属原子的制品，其能够通过多个共价键在表面共价固化，但不与表面直接共价键合。 具体地说，本发明涉及包括二氧化硅，氧化铝，氧化铌或氧化钽，或其组合的无机表面和包括Fe，Mn，Cr，Ni，Co，Ru和Os的催化金属原子。 通过多个共价键在表面共价固定的催化金属原子可以通过至少一个直接与表面结合的原子进行键合来固定。 该物品优选为无机介孔结构，其孔中共价键合多个金属卟啉。 特别地，催化金属原子，例如铁，锰，铬，镍，钴，铼和锇共价键合到卟啉结构，该卟啉结构通过卟啉结构的胺基之间的键连接到氧化铝或二氧化硅表面 的氧化铝或二氧化硅表面。 本发明还公开了通过卟啉中的胺基和氧化铝或二氧化硅表面的掺杂剂原子来支持与卟啉结构键合的催化金属原子。 掺杂原子可以包括铌和钽原子。

    FIBROUS SUBSTRATES FOR CELL PROPAGATION AND DIFFERENTIATION
    5.
    发明申请
    FIBROUS SUBSTRATES FOR CELL PROPAGATION AND DIFFERENTIATION 审中-公开
    纤维基质用于细胞传播和分化

    公开(公告)号：US20130295637A1

    公开(公告)日：2013-11-07

    申请号：US13814501

    申请日：2011-08-05

    申请人： Hongfang Lu ,  Andrew Chwee Aun Wan ,  Jackie Y. Ying ,  Karthikeyan Narayanan

    发明人： Hongfang Lu ,  Andrew Chwee Aun Wan ,  Jackie Y. Ying ,  Karthikeyan Narayanan

    IPC分类号： C12N11/04

    CPC分类号： C12N11/04 ,  C12N5/0012 ,  C12N5/0606 ,  C12N2533/72 ,  C12N2533/74

    摘要： The present invention relates to a method of releasably encapsulating pluripotent embryonic stem cells in a degradable continuous polyionic fiber for tissue culture, wherein the encapsulated embryonic stem cells are able to maintain a pluripotent phenotype in tissue culture; the method comprising (a) contacting an aqueous solution of a polyanion with an aqueous solution of a polycation to form an interface between the aqueous solution of polyanion and the aqueous solution of polycation, and wherein the aqueous solution of polyanion or the aqueous solution of polycation or both the aqueous solution of polyanion and the aqueous solution of polycation comprises a suspension of pluripotent embryonic stem cells; (b) drawing a continuous polyionic fiber which comprises encapsulated pluripotent embryonic stem cells from the interface; (c) passing the continuous polyionic fiber comprising encapsulated pluripotent embryonic stem cells in a continuous process through a solution which reduces secondary complexation of the components of the polyionic fiber.

    摘要翻译： 本发明涉及一种将多能胚胎干细胞可释放地包封在用于组织培养的可降解连续聚离子纤维中的方法，其中包封的胚胎干细胞能够在组织培养中保持多能表型; 该方法包括（a）将聚阴离子的水溶液与聚阳离子水溶液接触以形成聚阴离子水溶液与聚阳离子水溶液之间的界面，并且其中聚阴离子水溶液或聚阳离子水溶液 或聚阴离子水溶液和聚阳离子水溶液两者均包含多能胚胎干细胞的悬浮液; （b）从界面绘制包含多能胚胎干细胞的连续聚离子纤维; （c）使包含多能胚胎干细胞的连续聚离子纤维在连续过程中通过减少聚离子纤维组分的次级络合的溶液。

    Mechanically reversible gel
    8.
    发明授权
    Mechanically reversible gel 有权
    机械可逆凝胶

    公开(公告)号：US08450105B2

    公开(公告)日：2013-05-28

    申请号：US12299199

    申请日：2007-05-04

    申请人： Jackie Y. Ying ,  Shona Pek ,  Andrew C A Wan

    发明人： Jackie Y. Ying ,  Shona Pek ,  Andrew C A Wan

    IPC分类号： C12M1/12 ,  C12N11/14 ,  C12N5/00 ,  C12N5/02

    CPC分类号： C08G77/46 ,  C01B33/14 ,  C01B33/163 ,  C08G77/50

    摘要： A process for making a gel comprising combining a silanol species comprising at least two silanol groups per molecule and a hydrophilic hydroxyl species comprising at least two hydroxyl groups per molecule. The gel is capable of being converted to a liquid by application of a mechanical shear force and the liquid is capable of being converted to the gel in the absence of the mechanical shear force.

    摘要翻译： 一种制备凝胶的方法，其包括每分子组合含有至少两个硅烷醇基团的硅烷醇物质和每分子包含至少两个羟基的亲水羟基物质。 该凝胶能够通过施加机械剪切力而转化为液体，并且液体能够在不存在机械剪切力的情况下转化为凝胶。