Microbubble-based contrast agents with crosslinked and reduced
proteinaceous shells
    3.
    发明授权
    Microbubble-based contrast agents with crosslinked and reduced proteinaceous shells 失效
    具有交联和还原蛋白质壳的基于微泡的造影剂

    公开(公告)号:US5718884A

    公开(公告)日:1998-02-17

    申请号:US397065

    申请日:1995-05-04

    摘要: The present invention pertains to proteinaceous gas- or gas precursor-containing microbubble contrast agents for use in ultrasound and/or MR imaging, in which the protein matrix is crosslinked by reaction with a bifunctional aldehyde (e.g., a dialdehyde such as glutaraldehyde or an .alpha.,.beta.-unsaturated aldehyde such as acrolein) in an aqueous medium at substantially neutral pH. The contrast agents exhibit improved in vivo and storage stabilities, particularly if the matrix is also reacted with a Schiff's base reducing agent such as a borohydride. Modification of the size distribution of such crosslinked proteinaceous gas-containing contrast agents, e.g. to reduce the mean size of the microbubbles, further enhances their stability and permits preparation of novel contrast agents having a particularly narrow microbubble size distribution.

    摘要翻译: PCT No.PCT / GB93 / 01861 Sec。 371日期:1995年5月4日 102(e)日期1995年5月4日PCT提交1993年9月3日PCT公布。 出版物WO94 / 06477 日期:1994年3月31日本发明涉及用于超声和/或MR成像的含蛋白质气体或气体前体的微泡造影剂,其中蛋白质基质通过与双官能醛反应而交联(例如,二醛如 作为戊二醛或α,β-不饱和醛如丙烯醛)在水性介质中基本上为中性pH。 造影剂表现出改善的体内和储存稳定性,特别是如果基质也与席夫碱还原剂如硼氢化钠反应。 这种交联的含蛋白质气体的造影剂的尺寸分布的修改,例如, 为了减少微泡的平均尺寸,进一步提高了它们的稳定性并且允许制备具有特别窄的微泡尺寸分布的新型造影剂。

    DYE COMPOSITIONS AND DYE SYNTHESES
    4.
    发明申请
    DYE COMPOSITIONS AND DYE SYNTHESES 审中-公开
    DYE组合物和染料合成

    公开(公告)号:US20130121926A1

    公开(公告)日:2013-05-16

    申请号:US13805457

    申请日:2011-06-29

    IPC分类号: C09B23/08

    摘要: The present invention relates to sulfonated optical dye compositions, especially dyes suitable for biological applications in vitro, and for in vivo imaging. Improved dye compositions and intermediates are provided, which enable the suppression of undesirable newly-identified impurities. Also provided is the use of the improved dye compositions in the preparation of conjugates with biological targeting molecules.

    摘要翻译: 本发明涉及磺化光学染料组合物,特别是适用于体外生物应用的染料和用于体内成像的染料。 提供改进的染料组合物和中间体,其能够抑制不期望的新鉴定的杂质。 还提供了改进的染料组合物在与生物靶向分子的共轭物的制备中的用途。