Method of magnetic resonance imaging
    1.
    发明授权
    Method of magnetic resonance imaging 失效
    磁共振成像方法

    公开(公告)号:US06453188B1

    公开(公告)日:2002-09-17

    申请号:US09333910

    申请日:1999-06-16

    IPC分类号: A61B505

    CPC分类号: G01R33/5601

    摘要: The invention relates to a method of magnetic imaging (MR) of a living sample comprising the steps of hyperpolarizing a hyperpolarizable gas ex-vivo and transferring the nuclear polarization from the hyperpolarized gas to the nuclei of an MR imaging agent, that is not hyperpolarizable, that is exposed to a uniform magnetic field and that is introduced in contact to the hyperpolarizable gas, separating the hyperpolarizable gas from the MR imaging agent, administering the MR imaging agent to the living sample, exciting NMR transitions in the nuclei of the imaging agent and detecting an NMR signal thereof.

    摘要翻译: 本发明涉及一种活体样品的磁成像(MR)方法,包括以下步骤:离子超极化超极化气体,并将核极化从超极化气体转移到MR成像剂的核,其不是超极化的, 暴露于均匀的磁场并且与超极化气体接触引入,将超极化气体与MR成像剂分离,将MR成像剂施用于活体样品,在显像剂的细胞核中激发NMR转变,以及 检测其NMR信号。

    Overhauser magnetic resonance imaging (ORMI) method comprising ex vivo polarization of a magnetic resonance (MR) imaging agent
    3.
    发明授权
    Overhauser magnetic resonance imaging (ORMI) method comprising ex vivo polarization of a magnetic resonance (MR) imaging agent 有权
    Overhauser磁共振成像(ORMI)方法包括磁共振(MR)成像剂的离体极化

    公开(公告)号:US06311086B1

    公开(公告)日:2001-10-30

    申请号:US09460094

    申请日:1999-12-13

    IPC分类号: A61B505

    摘要: This invention provides a method of MR investigation of a sample, the method comprising: (i) placing in a uniform magnetic field a composition comprising an OMRI contrast agent and an MR imaging agent containing nuclei (MR imaging nuclei) capable of emitting magnetic resonance signals (e.g. the primary magnetic field B0) and capable of exhibiting a T1 relaxation time of 6 s or more (at 37° C. in D2O in a field of 7T); (ii) exposing the composition to a first radiation of a frequency selected to excite electron spin transitions in the OMRI contrast agent; (iii) optionally but preferably separating the whole, substantially the whole, or a portion of said OMRI contrast agent from said MR imaging agent; (iv) administering said MR imaging agent to said sample, (v) exposing the sample to a second radiation of a frequency selected to excite nuclear spin transitions; (vi) detecting magnetic resonance signals from the sample; and (vii) optionally, generating an image or dynamic flow data from the detected signals.

    摘要翻译: 本发明提供了一种样品的MR研究方法,该方法包括:(i)在均匀的磁场中放置包含OMRI造影剂和含有能够发射磁共振信号的核(MR成像核)的MR成像剂的组合物 (例如初级磁场B0),并且能够表现出6秒以上的T1弛豫时间(在7T的场中在D2O中为37℃); (ii)将组合物暴露于在OMRI造影剂中激发电子自旋跃迁的频率的第一辐射; (iii)任选地但优选地将所述OMRI造影剂的全部,基本上全部或一部分与所述MR成像剂分离; (iv)向所述样品施用所述MR成像剂,(v)将所述样品暴露于选定为激发核自旋转变的频率的第二辐射; (vi)检测来自样品的磁共振信号; 和(vii)可选地,从检测到的信号生成图像或动态流量数据。

    Iodinated X-ray contrast media
    9.
    发明授权
    Iodinated X-ray contrast media 失效
    碘化X射线造影剂

    公开(公告)号:US5958376A

    公开(公告)日:1999-09-28

    申请号:US793927

    申请日:1997-06-27

    摘要: The invention provides iodinated bis phenyl compounds, useful as X-ray contrast agents, of formula (I) (wherein each C.sub.6 R.sub.5 moiety may be the same or different; each denotes a hydrogen or iodine atom or a group M, two or three non-adjacent R groups on each C.sub.6 R.sub.5 moiety denoting iodine atoms and one, two or three R groups on each C.sub.6 R.sub.5 moiety denoting M groups; X denotes a group providing a 1, 2 or 3 atom chain linking the two C.sub.6 R.sub.5 groups, preferably where X is or contains in the bridging chain a carbonyloxy group each C.sub.6 R.sub.5 group being a triodophenyl group or a group in which each R is other than hydrogen; and each M is independently a non-ionic hydrophilic moiety, M preferably being a non-ionic hydrophilic moiety comprising a monohydroxy- or polyhydroxy-alkyl group) and isomers, especially stereoisomers and rotamers, thereof. ##STR1##

    摘要翻译: PCT No.PCT / GB95 / 02264 Sec。 371日期:1997年6月27日 102(e)日期1997年6月27日PCT提交1995年9月22日PCT公布。 公开号WO96 / 09285 日期:1996年3月28日本发明提供了可用作式(I)的X射线造影剂的碘化双苯基化合物(其中每个C 6 R 5部分可以相同或不同;各自表示氢或碘原子或基团M, 每个C6R5部分上两个或三个不相邻的R基团,表示碘原子,每个C6R5部分上含有一个,两个或三个R基团,表示M基团; X表示提供连接两个C 6 R 5基团的1,2或3个原子链的基团, 优选其中X是桥连环中或在桥连环中含有碳氧基,每个C 6 R 5基团是三苯基或每个R不是氢的基团;每个M独立地是非离子亲水部分,M优选是非离子亲水部分, 包含单羟基或多羟基 - 烷基的离子亲水部分)和异构体,特别是立体异构体和旋转异构体。