Intracellular and in vivo oxygen sensing using phosphorescent iridium (III) complexes

S Tobita, T Yoshihara - Current opinion in chemical biology, 2016 - Elsevier
Highlights•Optical probes are useful for quantification of oxygen level in cells and
tissues.•Iridium complexes can be used as organelle-specific oxygen probe.•Iridium …

Luminescent mononuclear and dinuclear iridium (III) cyclometalated complexes immobilized in a polymeric matrix as solid-state oxygen sensors

G Di Marco, M Lanza, A Mamo, I Stefio… - Analytical …, 1998 - ACS Publications
Oxygen quenching of the luminescence of mononuclear and dinuclear Ir (III) cyclometalated
complexes immobilized in the pPEGMA matrixes has been studied. Linear Stern− Volmer …

A europium (III) complex as an efficient singlet oxygen luminescence probe

B Song, G Wang, M Tan, J Yuan - Journal of the American …, 2006 - ACS Publications
A new europium (III) complex,[4 '-(10-methyl-9-anthryl)-2, 2 ': 6 ', 2 ''-terpyridine-6, 6 ''-diyl] bis
(methylenenitrilo) tetrakis (acetate)− Eu3+, was designed and synthesized as a highly …

Carboranes tuning the phosphorescence of iridium tetrazolate complexes

C Shi, D Tu, Q Yu, H Liang, Y Liu, Z Li… - … A European Journal, 2014 - Wiley Online Library
New iridium tetrazolate complexes containing o‐, m‐, or p‐carboranyl substitution in
different positions of a phenylpyridine ligand have been prepared. The carborane isomers …

Single standard calibration for an optical oxygen sensor based on luminescence quenching of a ruthenium complex

MMF Choi, D Xiao - Analytica Chimica Acta, 2000 - Elsevier
An optical oxygen (O2) sensor consisting tris (4, 7-diphenyl-1, 10-phenanthroline) ruthenium
(II) ditetrakis (4-chlorophenyl) borate adsorbed on silica gel has been successfully fabricated …

Bis-cyclometalated Ir (III) complexes as efficient singlet oxygen sensitizers

R Gao, DG Ho, B Hernandez, M Selke… - Journal of the …, 2002 - ACS Publications
We report the singlet oxygen sensitization properties of a series of bis-cyclometalated Ir (III)
complexes (ie,(bt) 2Ir (acac),(bsn) 2Ir (acac), and (pq) 2Ir (acac); bt= 2-phenylbenzothiazole …

Effects of polymer matrices on calibration functions of luminescent oxygen sensors based on porphyrin ketone complexes

P Hartmann, W Trettnak - Analytical chemistry, 1996 - ACS Publications
The design of luminescent oxygen sensors is guided by optimizing sensitivity and/or the
form of the calibration function. Both qualities are governed by the molecular processes of …

Mitochondria-targeted oxygen probes based on cationic iridium complexes with a 5-amino-1, 10-phenanthroline ligand

T Yoshihara, S Murayama, T Masuda, T Kikuchi… - … of Photochemistry and …, 2015 - Elsevier
A cationic iridium (III) complex (btp) 2 Ir (phen-NH 2)(btp= benzothienylpyridine; phen-NH 2=
5-amino-1, 10-phenanthroline) and its analog with extended π-electronic structures (btq) 2 Ir …

[HTML][HTML] Ratiometric molecular probes based on dual emission of a blue fluorescent coumarin and a red phosphorescent cationic iridium (III) complex for intracellular …

T Yoshihara, S Murayama, S Tobita - Sensors, 2015 - mdpi.com
Ratiometric molecular probes RP1 and RP2 consisting of a blue fluorescent coumarin and a
red phosphorescent cationic iridium complex connected by a tetra-or octaproline linker …

Iridium-based high-sensitivity oxygen sensors and photosensitizers with ultralong triplet lifetimes

X Jiang, J Peng, J Wang, X Guo… - ACS Applied Materials …, 2016 - ACS Publications
The photophysics of a series of bichromophoric molecules featuring an intramolecular triplet
energy transfer between a triscyclometalated iridium (III) complex and covalently linked …