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    • 1. 发明授权
    • Method of optically imaging biological tissues by using fluorescence, in particular for defining regions of interest in tissues to be analyzed by tomography
    • 通过使用荧光光学地成像生物组织的方法,特别是通过层析成像来定义要分析的组织中的感兴趣区域
    • US07809431B2
    • 2010-10-05
    • US11736333
    • 2007-04-17
    • Isabelle Texier-NoguesPhilippe PeltieEmilie HeinrichRolande Blanc
    • Isabelle Texier-NoguesPhilippe PeltieEmilie HeinrichRolande Blanc
    • A61B6/00
    • A61B5/0073A61B2503/40
    • The present invention relates to a method of optically imaging at least one biological tissue, in particular to define areas of interest of tissue(s) to be analyzed by tomography.The method according to the invention comprises the following steps: a) introducing at least one fluorescent marker into the tissue(s); b) exciting the marker by incident light and detecting emission bands relating to fluorescence emitted by the marker in response to that excitation; then c) analyzing the fluorescence in these emission bands; and the step b) comprising: sequentially exciting said marker at n different incident excitation wavelengths λi, said marker being adapted to be excited by at least two of the wavelengths λi and to emit in response to each wavelength λi a series Si of m simultaneous emission bands Bj having different maximum wavelengths λ′j that are substantially the same from one series Si to another; and detecting these series Si in order to deduce therefrom an estimate of the three-dimensional location of said marker in the tissue(s) and/or the mean absorption coefficients of the tissue(s) for the excitation wavelengths λi.
    • 本发明涉及一种对至少一个生物组织进行光学成像的方法,特别是通过层析成像来限定要分析的组织的感兴趣区域。 根据本发明的方法包括以下步骤:a)将至少一种荧光标记物引入组织; b)通过入射光激发标记,并响应于该激发检测与标记物发射的荧光相关的发射带; 然后c)分析这些发射带中的荧光; 并且步骤b)包括:在n个不同的入射激发波长λ1处顺序地激励所述标记,所述标记适于被至少两个波长λ1激发,并且响应于每个波长λ1发射m个同时发射的串联Si 带Bj具有不同的最大波长λ'j,其从一个串联的Si到另一个串联大致相同; 并且检测这些系列Si以从其推导出组织中所述标记的三维位置的估计和/或激发波长λi的组织的平均吸收系数。
    • 8. 发明授权
    • Semiconductor nanocrystals
    • 半导体纳米晶体
    • US08652360B2
    • 2014-02-18
    • US12555022
    • 2009-09-08
    • Isabelle Texier-NoguesAude Bernardin
    • Isabelle Texier-NoguesAude Bernardin
    • H01B1/00H01B1/12H01R4/42
    • G01N33/587B82Y15/00C07D249/16C07D498/08G01N33/588
    • The present invention aims to provide a method of use for surface-modifying a semiconductor nanocrystal comprising at least the steps consisting in having a semiconductor nanocrystal, the organic coating layer of which is provided, at the outer surface of the nanocrystal, with at least one reactive group G1 that reacts according to a cycloaddition reaction of click chemistry type; and bringing said nanocrystal together with an adjoining material provided at the surface with at least one G2 group complementary to the G1 group with respect to said click chemistry reaction, under conditions favorable to the interaction of said G1 and G2 groups, characterized in that said G1 and G2 groups are respectively an azide and a strained cycloalkynyl radical, or vice versa.
    • 本发明旨在提供一种用于表面修饰半导体纳米晶体的方法,该方法至少包括在纳米晶体的外表面具有半导体纳米晶体的步骤,其中所述半导体纳米晶体在其纳米晶体的外表面上具有至少一个 根据点击化学类型的环加成反应反应的反应性基团G1; 以及在有利于所述G1和G2基团的相互作用的条件下,使所述纳米晶体与在表面处提供有相对于所述点击化学反应互补的至少一个G2基团的邻接材料一起引入,其特征在于所述G1 和G2基团分别是叠氮化物和应变的环炔基基团,反之亦然。