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Enantioselective Fluorescent Imaging of Free Amino Acids in Living Cells

机译:活细胞中游离氨基酸的对映选择性荧光显像

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摘要

1,1'-Spirobiindane-7,7'-diol (SPINOL)-based chiral aldehydes (R)- and (S)-3, in combination with Zn~(2+), are highly enantioselective fluorescent sensors for structurally diverse chiral amino acids. Application of this enantiomeric sensor pair in HeLa cells containing a free amino acid shows that the chirality-matched sensor-amino acid interaction leads to strong blue emission and chirality mismatch gives only weak fluorescence. This allows a quick determination of the chiral configuration of the free amino acid in the cells. It represents the first enantioselective fluorescent imaging of free amino acids in living cells.
机译:1,1'-螺茚烷-7,7'-二醇(菠菜)基础的手性醛(R) - 和(s)-3与Zn〜(2+)组合,是结构不同的手性的高度映射荧光传感器 氨基酸。 在含有游离氨基酸的HeLa细胞中,该对映体传感器对的应用表明,手性匹配的传感器 - 氨基酸相互作用导致强大的蓝色发射和手性不匹配给药弱荧光。 这允许快速测定细胞中游离氨基酸的手性构型。 它代表活细胞中游离氨基酸的第一种对映选择性的荧光成像。

著录项

  • 来源
    《Chemistry: A European journal》 |2017年第10期|共7页
  • 作者单位

    Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials School of Chemistry Beijing Institute of Technology 5 Zhongguancun Road Beijing 100081 (P.R. China);

    Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials School of Chemistry Beijing Institute of Technology 5 Zhongguancun Road Beijing 100081 (P.R. China);

    Department of Chemistry University of Virginia Charlottesville VA 22904 (USA);

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用化学;
  • 关键词

    amino acids; enantioselectivity; fluorescence; imaging agents; sensors;

    机译:氨基酸;对映射性;荧光;成像剂;传感器;

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