Spin-vibronic mechanism for intersystem crossing

TJ Penfold, E Gindensperger, C Daniel… - Chemical …, 2018 - ACS Publications
Intersystem crossing (ISC), formally forbidden within nonrelativistic quantum theory, is the
mechanism by which a molecule changes its spin state. It plays an important role in the …

[图书][B] Photochemistry and photophysics of coordination compounds: ruthenium

Ruthenium compounds, particularly Ru (II) polypyridine complexes, are the class of
transition metal complexes which has been most deeply investigated from a photochemical …

Fluorescence-quenching phenomenon by photoinduced electron transfer between a fluorescent dye and a nucleotide base

M Torimura, S Kurata, K Yamada, T Yokomaku… - Analytical sciences, 2001 - Springer
Fluorescently labeled oligonucleotide probes have been widely used in biotechnology, and
fluorescence quenching by the interaction between the dyes and a nucleobase has been …

Ruthenium (II) complexes with dppz: from molecular photoswitch to biological applications

G Li, L Sun, L Ji, H Chao - Dalton Transactions, 2016 - pubs.rsc.org
The DNA photoswitch [Ru (bpy) 2dppz] 2+(bpy= 2, 2′-bipyridine, dppz= dipyrido [3, 2-a:
2′, 3′-c] phenazine) has attracted much attention and become a powerful tool for studying …

Induction of Cell Death by Ternary Copper(II) Complexes of l-Tyrosine and Diimines: Role of Coligands on DNA Binding and Cleavage and Anticancer Activity

S Ramakrishnan, V Rajendiran… - Inorganic …, 2009 - ACS Publications
The mononuclear mixed ligand copper (II) complexes of the type [Cu (l-tyr)(diimine)](ClO4),
where tyr is l-tyrosine and diimine is 2, 2′-bipyridine (bpy)(1), 1, 10-phenanthroline …

DNA/RNA nucleotides and nucleosides: direct measurement of excited-state lifetimes by femtosecond fluorescence up-conversion

J Peon, AH Zewail - Chemical physics letters, 2001 - Elsevier
Fluorescence decay times of the nucleosides: adenosine, guanosine, cytidine and
thymidine, and of the corresponding nucleotides, were determined using the technique of …

Turning the [Ru(bpy)2dppz]2+ Light-Switch On and Off with Temperature

MK Brennaman, JH Alstrum-Acevedo… - Journal of the …, 2002 - ACS Publications
We report temperature-dependent excited-state lifetime measurements on [Ru (bpy) 2dppz]
2+ in both protic and aprotic solvents. These experiments yield a unifying picture of the …

Ruthenium polypyridyl chemistry; from basic research to applications and back again

JG Vos, JM Kelly - Dalton Transactions, 2006 - pubs.rsc.org
Since the mid 1970's interest in the chemistry and applications of ruthenium polypyridyl
complexes has increased steadily. In this perspective, the development of this area is …

Environmental effects on the photophysics of transition metal complexes with dipyrido [2, 3-a: 3′, 2′-c] phenazine (dppz) and related ligands

AW McKinley, P Lincoln, EM Tuite - Coordination Chemistry Reviews, 2011 - Elsevier
This review primarily covers studies of ruthenium (II) complexes with the dppz (dipyrido [2, 3-
a: 3′, 2′-c] phenazine) ligand; in solution, in polymers and surfactant/lipid media, and …

Enantioselective DNA Threading Dynamics by Phenazine-Linked [Ru(phen)2dppz]2+ Dimers

B Önfelt, P Lincoln, B Nordén - Journal of the American Chemical …, 2001 - ACS Publications
The interactions between the stereoisomers of the chiral bis-intercalator [μ-C4 (cpdppz) 2-
(phen) 4Ru2] 4+ and DNA reveal interesting dynamic discrimination properties. The two …