FLUORESCENT PET(PHOTOINDUCED ELECTRON-TRANSFER) SENSORS FOR CALCIUM-IONS - EXTENSION TO MULTIPLE FLUOROPHORES AND VIRTUAL SPACERS

被引：34
|
作者：
DE SILVA, AP
GUNARATNE, HQN
KANE, ATM
MAGUIRE, GEM
机构：
来源：
CHEMISTRY LETTERS | 1995年 / 02期
关键词：
D O I：
10.1246/cl.1995.125
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
New bifluorophoric sensors QCa3 and QCa4 show larger Ca2+-induced fluorescence enhancements and (for QCa4 only) lower Ca2+ binding constants than their monofluorophoric counterparts due to statistics and remote steric effects respectively. The PET sensor principle is extended to twisted biaryl systems which can give rise to twisted internal charge transfer (TICT) excited states by the re-examination of Tsien's rhod-2.
引用
收藏
页码：125 / 126
页数：2
相关论文
共 30 条
  • [21] Direct visual indication of pH windows: 'Off-on-off' fluorescent PET (photoinduced electron transfer) sensors switches
    de Silva, AP
    Gunaratne, HQN
    McCoy, CP
    CHEMICAL COMMUNICATIONS, 1996, (21) : 2399 - 2400
  • [22] Modification of Fluorescent Photoinduced Electron Transfer (PET) Sensors/Switches To Produce Molecular Photo-Ionic Triode Action
    Huxley, Allen J. M.
    Schroeder, Marc
    Gunaratne, H. Q. Nimal
    de Silva, A. Prasanna
    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2014, 53 (14) : 3622 - 3625
  • [23] Bidirectional photoinduced electron-transfer quenching is observed in 4-amino-1,8-naphthalimide-based fluorescent anion sensors
    Veale, Emma B.
    Gunnlaugsson, Thorfinnur
    JOURNAL OF ORGANIC CHEMISTRY, 2008, 73 (20): : 8073 - 8076
  • [24] LUMINESCENCE AND CHARGE-TRANSFER .4. ON-OFF FLUORESCENT PET (PHOTOINDUCED ELECTRON-TRANSFER) SENSORS WITH PYRIDINE RECEPTORS - 1,3-DIARYL-5-PYRIDYL-4,5-DIHYDROPYRAZOLES
    DE SILVA, AP
    GUNARATNE, HQN
    LYNCH, PLM
    JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1995, (04): : 685 - 690
  • [25] LUMINESCENCE AND CHARGE-TRANSFER .3. THE USE OF CHROMOPHORES WITH ICT (INTERNAL CHARGE-TRANSFER) EXCITED-STATES IN THE CONSTRUCTION OF FLUORESCENT PET (PHOTOINDUCED ELECTRON-TRANSFER) PH SENSORS AND RELATED ABSORPTION PH SENSORS WITH AMINOALKYL SIDE-CHAINS
    DE SILVA, AP
    GUNARATNE, HQN
    LYNCH, PLM
    PATTY, AJ
    SPENCE, GL
    JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1993, (09): : 1611 - 1616
  • [26] Photoinduced Electron Transfer (PET) Based Zn2+ Fluorescent Probe: Transformation of Turn-On Sensors into Ratiometric Ones with Dual Emission in Acetonitrile
    Ashokkumar, P.
    Ramakrishnan, V. T.
    Ramamurthy, P.
    JOURNAL OF PHYSICAL CHEMISTRY A, 2011, 115 (50): : 14292 - 14299
  • [27] RADICAL IONS AND PHOTOCHEMICAL CHARGE TRANSFER PHENOMENA. 36. PHOTOREACTIONS OF ENONES WITH AMINES - CYCLIZATION OF UNSATURATED ENONES AND REDUCTIVE RING-OPENING BY PHOTOINDUCED ELECTRON-TRANSFER (PET)
    MATTAY, J
    BANNING, A
    BISCHOF, EW
    HEIDBREDER, A
    RUNSINK, J
    CHEMISCHE BERICHTE-RECUEIL, 1992, 125 (09): : 2119 - 2127
  • [28] A chromone-derived Schiff-base as Al3+ "turn-on" fluorescent probe based on photoinduced electron-transfer (PET) and C=N isomerization
    Li, Chao-rui
    Li, Si-liang
    Yang, Zheng-yin
    TETRAHEDRON LETTERS, 2016, 57 (44) : 4898 - 4904
  • [29] 4-Amino-1,8-naphthalimide based fluorescent photoinduced electron transfer (PET) pH sensors as liposomal cellular imaging agents: The effect of substituent patterns on PET directional quenching
    Martinez-Calvo, Miguel
    Bright, Sandra A.
    Veale, Emma B.
    Henwood, Adam F.
    Williams, D. Clive
    Gunnlaugsson, Thorfinnur
    FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING, 2020, 14 (01) : 61 - 75
  • [30] 4-Amino-1,8-naphthalimide based fluorescent photoinduced electron transfer (PET) pH sensors as liposomal cellular imaging agents: The effect of substituent patterns on PET directional quenching
    Miguel Martínez-Calvo
    Sandra A. Bright
    Emma B. Veale
    Adam F. Henwood
    D. Clive Williams
    Thorfinnur Gunnlaugsson
    Frontiers of Chemical Science and Engineering, 2020, 14 : 61 - 75
123