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    • 5. 发明申请
    • Nuclease inhibitors and methods for their use
    • 核酸酶抑制剂及其使用方法
    • US20050214839A1
    • 2005-09-29
    • US11084068
    • 2005-03-18
    • Ronald RainesBryan SmithMatthew SoellnerDavid Lynn
    • Ronald RainesBryan SmithMatthew SoellnerDavid Lynn
    • C12N9/22C12N9/99C12Q1/68
    • G01N1/34C12N9/22C12N9/99
    • A class of anionic oligomers and polymers that function for inhibition of nucleases, particularly RNase. Specific inhibitors include mixtures of oligomers of vinyl sulfate. Methods for inhibition or inactivation of one or more nucleases in vitro which comprises the step of contacting the one or more nucleases in a biological medium with one or more of the anionic oligomeric or polymeric inhibitors of this invention. Kits for carrying out a biological procedure, biological reaction and/or a biological assay containing one or more inhibitors of this invention. The use of oligomers and/or polymers of this invention as additives in buffers or reagents. The inhibitors of the invention can also be attached to surfaces to provide for removal of nucleases from media, solutions or other liquids in contact with the solid.
    • 一类用于抑制核酸酶,特别是核糖核酸酶的阴离子低聚物和聚合物。 特异性抑制剂包括乙烯基硫酸酯的低聚物的混合物。 用于在体外抑制或失活一种或多种核酸酶的方法,其包括使生物培养基中的一种或多种核酸酶与本发明的一种或多种阴离子低聚物或聚合物抑制剂接触的步骤。 用于进行生物学过程,生物反应和/或含有本发明的一种或多种抑制剂的生物测定的试剂盒。 使用本发明的低聚物和/或聚合物作为缓冲液或试剂中的添加剂。 本发明的抑制剂也可附着于表面以提供从与固体接触的介质,溶液或其它液体中除去核酸酶。
    • 9. 发明申请
    • Magnetic Resonance Imaging Contrast Agents Synthesized Using Ring-Opening Metathesis Polymerization
    • 使用开环复分解聚合合成的磁共振成像对比剂
    • US20080063602A1
    • 2008-03-13
    • US11743740
    • 2007-05-03
    • Laura KiesslingRonald RainesMatthew Allen
    • Laura KiesslingRonald RainesMatthew Allen
    • A61K49/06A61B5/055C08G73/00
    • A61K49/128
    • Polymeric chelating agents and metal chelates, particularly those of lanthanide metals and more specifically those of Gd(III), useful as contrast agents in magnetic resonance imaging (MRI) for therapeutic and diagnostic applications as well as clinical and biomedical research applications. The polymeric chelates are generated using ring-opening metathesis polymerization (ROMP). Polymers can have multiple sites for functionalization allowing for the synthesis of multimodal and targeted contrast agents. Hydroxypyridonate (HOPO)-based chelating moieties are integrated into a ROMP-derived polymer. More specifically, the HOPO-based chelating moiety is integrated into a benzonorbornadiene unit that constitutes the backbone of the polymer. The ROMP-derived polymer chelators can comprise multiple metal ions, particularly Gd(III) ions, in polymers of varying lengths to provide a series of agents with controlled relaxivites. Polymer chelates include those that are water-soluble.
    • 聚合螯合剂和金属螯合物,特别是镧系元素金属螯合剂,更具体地,可用作Gd(III)的螯合剂,用作治疗和诊断应用以及临床和生物医学研究应用的磁共振成像(MRI)中的造影剂。 使用开环易位聚合(ROMP)产生聚合物螯合物。 聚合物可以具有多个用于官能化的位点,允许合成多峰和靶向造影剂。 将羟基吡啶酮(HOPO)基螯合部分整合到ROMP衍生的聚合物中。 更具体地,基于HOPO的螯合部分整合成构成聚合物主链的苯并降二烯单元。 ROMP衍生的聚合物螯合剂可以在不同长度的聚合物中包含多种金属离子,特别是Gd(III)离子,以提供具有受控弛豫物质的一系列试剂。 聚合物螯合物包括那些水溶性螯合物。