scholarly journals Comparison of Carbazole and Fluorene Donating Effects on the Two-Photon Absorption and Nitric Oxide Photorelease Capabilities of a Ruthenium-Nitrosyl Complex

2017 ◽  
Vol 2018 (3-4) ◽  
pp. 531-543 ◽  
Author(s):  
Alejandro Enriquez-Cabrera ◽  
Pascal G. Lacroix ◽  
Isabelle Sasaki ◽  
Sonia Mallet-Ladeira ◽  
Norberto Farfán ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Photon Absorption ◽  
Nitrosyl Complex ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Ruthenium Nitrosyl

Ruthenium(II)-nitrosyl polypyridinyl Complexes: from NO/ON Isomerization to NO delivery

2015 ◽  
Vol 1767 ◽  
pp. 65-74
Author(s):  
Pascal G. Lacroix ◽  
Isabelle Malfant
Keyword(s):  
Solid State ◽  
Photon Absorption ◽  
High Yield ◽  
Absorption Process ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Ruthenium Nitrosyl ◽  
Nlo Response ◽  
No Release ◽  
Computational Strategy

ABSTRACTRuthenium-nitrosyl (RuII(NO)) complexes are stable in the dark, but exhibit a unique photoreactivity which can lead either to a solid state isomerization from RuII(NO) to RuII(ON), or to a nitric oxide (NO·) release in solution. From our recent discovery of a high yield of isomerization (> 92%) in [RuII(py)4Cl(NO)](PF6)2, we have developed a computational strategy aimed at designing switchable nonlinear optical (NLO) material with high contrast (large difference in the on / off NLO response) in the solid state. Our synthetic targets are terpyridine based RuII chromophores in which various substituents can be introduced to adjust the NLO response which, at best, should be vanishing in the off state. Alternatively, these complexes can undergo a photo-induced NO· release in solution, a possibility which becomes increasingly appealing in relation to the discovery of the numerous biological roles of NO·, in the context of the emergence of the photodynamic therapy. A promising fluorene-terpyridine RuII(NO) complex was investigated, which could find an additional interest in relation to its capability for releasing NO· by a two-photon absorption process.

scholarly journals Targeting the NADPH Binding Site of Nitric Oxide Synthase by a Ligand with Two-Photon Absorption Properties

2011 ◽  
Vol 100 (3) ◽  
pp. 553a
Author(s):  
Etienne Henry ◽  
Yun Xu-Li ◽  
Huan Wang ◽  
Patrick Tauc ◽  
Jean-Luc Boucher ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Nitric Oxide Synthase ◽  
Binding Site ◽  
Photon Absorption ◽  
Absorption Properties ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Oxide Synthase

scholarly journals Nitric oxide activatable photosensitizer accompanying extremely elevated two-photon absorption for efficient fluorescence imaging and photodynamic therapy

2018 ◽  
Vol 9 (4) ◽  
pp. 999-1005 ◽  
Author(s):  
Wenbo Hu ◽  
Meng Xie ◽  
Hui Zhao ◽  
Yufu Tang ◽  
Song Yao ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Photodynamic Therapy ◽  
Fluorescence Imaging ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

A nitric oxide (NO) activatable photosensitizer was constructed for efficient fluorescence imaging and photodynamic therapy.

scholarly journals Isoindole and isomeric heterocyclic donating substituents in ruthenium(II)nitrosyl complexes with large first hyperpolarizabilities and potential two-photon absorption capabilities: a computational approach

2017 ◽  
Vol 5 (1) ◽  
pp. 8-23
Author(s):  
Valerii Bukhanko ◽  
Isabelle Malfant ◽  
Zoia Voitenko ◽  
Pascal Lacroix
Keyword(s):  
Density Functional ◽  
Photon Absorption ◽  
Functional Theory ◽  
Two Photon Absorption ◽  
First Order ◽  
Two Photon ◽  
Nitrosyl Complexes ◽  
Ruthenium Nitrosyl ◽  
The Density Functional Theory ◽  
Absorption Level

A set of 22 ruthenium nitrosyl complexes of general formula [RuII(L)Cl2(NO)]+ is investigated computationally by the density functional theory. L is a terpyridine ligand substituted by different R isomers of formula C12H8N, either indole, isoindole, or carbazole, proposed as alternative donors to the electron-rich fluorene substituent. The computed resulting nonlinear optical (NLO) properties are found to strongly depend on the isomer. While the ruthenium complexes exhibit modest efficiencies at the second-order (two-photon absorption) level, some of the R isomers lead to complexes of enhanced capabilities in first order (b) nonlinear optics. The synthetic feasibility of these ligands is discussed.

A theoretical study of a series of novel two-photon nitric oxide (NO) fluorescent probes based on BODIPY

2015 ◽  
Vol 39 (11) ◽  
pp. 8342-8355 ◽  
Author(s):  
Li Zhang ◽  
Lu-Yi Zou ◽  
Jing-Fu Guo ◽  
Dan Wang ◽  
Ai-Min Ren
Keyword(s):  
Nitric Oxide ◽  
Fluorescent Probes ◽  
Theoretical Study ◽  
Photon Absorption ◽  
Absorption Properties ◽  
Two Photon Absorption ◽  
Two Photon

The PET probing mechanism and intrinsic two-photon absorption properties of the studied molecules are rationally explained.

Two‐Photon Absorption Properties in “Push‐Pull” Ruthenium Nitrosyl Complexes with various Fluorenylterpyridine‐Based Ligands

2021 ◽  
Vol 2021 (17) ◽  
pp. 1670-1684
Author(s):  
Valerii Bukhanko ◽  
Andrés Felipe León‐Rojas ◽  
Pascal G. Lacroix ◽  
Marine Tassé ◽  
Gabriel Ramos‐Ortiz ◽  
...  
Keyword(s):  
Photon Absorption ◽  
Absorption Properties ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Nitrosyl Complexes ◽  
Ruthenium Nitrosyl
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