A ratiometric luminescent oxygen sensor based on a chemically functionalized quantum dot

被引:63
作者
Amelia, Matteo [2 ]
Lavie-Cambot, Aurelie [1 ]
McClenaghan, Nathan D. [1 ]
Credi, Alberto [2 ]
机构
[1] Univ Bordeaux, Inst Mol Sci, CNRS, UMR 5255, F-33405 Talence, France
[2] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
基金
欧洲研究理事会;
关键词
ENERGY-TRANSFER; CDSE NANOCRYSTALS; LIVE CELLS; MONODISPERSE; MECHANISMS; NUCLEATION; KINETICS; IONS; FRET; HG2+;
D O I
10.1039/c0cc02163f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Nanoconjugates composed of CdSe-ZnS core-shell nanocrystals and pyrenyl ligands are shown to exhibit a double photoluminescence. Owing to the different response of the two emission signals towards oxygen, the nanocrystals function as high dynamic range ratiometric luminescent O-2 nanosensors.
引用
收藏
页码:325 / 327
页数:3
相关论文
共 48 条
[1]   Probes and polymers for optical sensing of oxygen [J].
Amao, Y .
MICROCHIMICA ACTA, 2003, 143 (01) :1-12
[2]   Lanthanide macrocyclic quinolyl conjugates as luminescent molecular switches and logic gate functions using HO- and O2 as inputs [J].
Bonnet, Celia S. ;
Gunnlaugsson, Thorfinnur .
NEW JOURNAL OF CHEMISTRY, 2009, 33 (05) :1025-1030
[3]   Nucleation and growth kinetics of CdSe nanocrystals in octadecene [J].
Bullen, CR ;
Mulvaney, P .
NANO LETTERS, 2004, 4 (12) :2303-2307
[4]   Luminescent sensing with quantum dots [J].
Callan, John F. ;
De Silva, A. P. ;
Mulrooney, R. C. ;
Mc Caughan, B. .
JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY, 2007, 58 (3-4) :257-262
[5]   Forster resonance energy transfer investigations using quantum-dot fluorophores [J].
Clapp, AR ;
Medintz, IL ;
Mattoussi, H .
CHEMPHYSCHEM, 2006, 7 (01) :47-57
[6]   Probing intracellular oxygen by quenched phosphorescence lifetimes of nanoparticles containing polyacrylamide-embedded [Ru(dpp(SO3Na)2)3]Cl2 [J].
Coogan, Michael P. ;
Court, Jonathan B. ;
Gray, Victoria L. ;
Hayes, Anthony J. ;
Lloyd, Sion H. ;
Millet, Coralie O. ;
Pope, Simon J. A. ;
Lloyd, David .
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 2010, 9 (01) :103-109
[7]   The electronic structure of semiconductor nanocrystals [J].
Efros, AL ;
Rosen, M .
ANNUAL REVIEW OF MATERIALS SCIENCE, 2000, 30 :475-521
[8]   Optical control of quantum dot luminescence via photoisomerization of a surface-coordinated, cationic dithienylethene [J].
Erno, Zach ;
Yildiz, Ibrahim ;
Gorodetsky, Brian ;
Raymo, Francisco M. ;
Branda, Neil R. .
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 2010, 9 (02) :249-253
[9]   Multiplexed Analysis of Hg2+ and Ag+ Ions by Nucleic Acid Functionalized CdSe/ZnS Quantum Dots and Their Use for Logic Gate Operations [J].
Freeman, Ronit ;
Finder, Tali ;
Willner, Itamar .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2009, 48 (42) :7818-7821
[10]   β-Cyclodextrin-Modified CdSe/ZnS Quantum Dots for Sensing and Chiroselective Analysis [J].
Freeman, Ronit ;
Finder, Tali ;
Bahshi, Lily ;
Willner, Itamar .
NANO LETTERS, 2009, 9 (05) :2073-2076