A new G-quadruplex-specific photosensitizer inducing genome instability in cancer cells by triggering oxidative DNA damage and impeding replication fork …

M Deiana, JM Andrés Castán, P Josse… - Nucleic acids …, 2023 - academic.oup.com
Photodynamic therapy (PDT) ideally relies on the administration, selective accumulation and
photoactivation of a photosensitizer (PS) into diseased tissues. In this context, we report a …

High Photoinitiating Efficiency of Benzothioxanthene‐Based Oxime Esters in Photopolymerization via Photocleavage and/or Single Electron Transfer under Visible …

Y Zhang, B Song, Z Liu, A Noon… - Angewandte Chemie …, 2024 - Wiley Online Library
In this work, six benzothioxanthene‐based oxime esters were employed as photoinitiators
for photopolymerization under visible light (LED) and sunlight. Their abilities to behave as …

Relating Design and Optoelectronic Properties of 1,4-Dihydropyrrolo[3,2-b]pyrroles Bearing Biphenyl Substituents

AM Hawks, D Altman, R Faddis… - The Journal of …, 2023 - ACS Publications
Understanding the influence of peripheral functionality on optoelectronic properties of
conjugated materials is an important task for the continued development of chromophores …

Heavy-atom-free π-twisted photosensitizers for fluorescence bioimaging and photodynamic therapy

DP Sánchez, K Morice, MG Mutovska… - Journal of Materials …, 2024 - pubs.rsc.org
As the field of preclinical research on photosensitizers (PSs) for anticancer photodynamic
therapy (PDT) continues to expand, a focused effort is underway to develop agents with …

Advancements in molecular disassembly of optical probes: a paradigm shift in sensing, bioimaging, and therapeutics

K Saczuk, M Dudek, K Matczyszyn, M Deiana - Nanoscale Horizons, 2024 - pubs.rsc.org
The majority of self-assembled fluorescent dyes suffer from aggregation-caused quenching
(ACQ), which detrimentally affects their diagnostic and therapeutic effectiveness. While …

[HTML][HTML] Precision detection of cyanide, fluoride, and hydroxide ions using a new tetraseleno-BODIPY fluorescent sensor

BS Cugnasca, F Duarte, JLP de Albuquerque… - … of Photochemistry and …, 2024 - Elsevier
A new chemosensor based on Seleno-BODIPY (4) was designed and synthesized for the
rapid and sensitive detection of CN–, F−, and OH–ions in THF, exhibiting ultra-low detection …

Thio and Seleno‐Psoralens as Efficient Triplet Harvesting Photosensitizers for Photodynamic Therapy

S Jena, P Mohanty, S Rout Rout… - … A European Journal, 2024 - Wiley Online Library
Abstract The Psoralen (Pso) molecule finds extensive applications in photo‐chemotherapy,
courtesy of its triplet state forming ability. Sulfur and selenium replacement of exocyclic …

Synthesis of Thionated Perylenediimides: State of the Art and First Investigations of an Alternative to Lawesson's Reagent

O Kharchenko, A Hryniuk, O Krupka, P Hudhomme - Molecules, 2024 - mdpi.com
Perylenediimides (PDIs) are composed of a central perylene ring, on which are grafted two
imide groups at the peri positions. Thionated PDIs are characterized by the substitution of …

Driving Triplet State Population in Benzothioxanthene Imide Dyes: Let's twist!

D Puchán Sánchez, P Josse, N Plassais… - … A European Journal, 2024 - Wiley Online Library
Controlling the formation of photoexcited triplet states is critical for many (photo) chemical
and physical applications. Here, we demonstrate that a permanent out‐of‐plane distortion of …

Intramolecular charge transfer versus intersystem crossing: The way toward super-high photothermal efficiency by thionation

F An, Y Zhao, H Li, J Meng, L Jiao, Z Zhang, X Li… - Dyes and …, 2023 - Elsevier
Abstract Development of organic molecules with high photothermal conversion efficiency
(PCE) in the near-infrared (NIR) window is a vital yet challenging topic in the field of …