Aggregation-Induced Emission in Phenothiazine-Based Fluorophores: An Insight into the Excited State and Aggregate Formation Mechanism

A Cesaretti, T Bianconi, M Coccimiglio… - The Journal of …, 2022 - ACS Publications
In this study, we report evidence for emissive aggregates of push–pull phenothiazine and
phenothiazine dioxide derivatives produced both in water dispersions and in the solid state …

Room-Temperature Phosphorescence and Cellular Phototoxicity Activated by Triplet Dynamics in Aggregates of Push–Pull Phenothiazine-Based Isomers

T Bianconi, A Cesaretti, P Mancini… - The Journal of …, 2023 - ACS Publications
In this study, we report a comprehensive time-resolved spectroscopic investigation of the
excited-state deactivation mechanism in three push–pull isomers characterized by a …

Cationic styryl dyes for DNA labelling and selectivity toward cancer cells and Gram-negative bacteria

S Wangngae, U Ngivprom, T Khrootkaew… - RSC …, 2023 - pubs.rsc.org
Fluorescence-based methods are important tools for the analysis of nucleic acids in vitro
and in cells. In this study, two cationic cyanine–styryl derivatives were produced using a two …

Nonlinear optical properties of a new panchromatic series of water-soluble bicationic push-pull fluorophores

L Mencaroni, C Bonaccorso, V Botti, B Carlotti… - Dyes and …, 2021 - Elsevier
Six water-soluble bications, characterized by a symmetric A+-π-D-π-A+ structure, were
synthesized and comprehensively studied for their absorption and fluorescence properties …

Panchromatic luminescent D–π–A benzothiazoles with different π-bridging modulation: Design, synthesis and application in WLED devices

Y Song, Y He, L Hu, Q Cheng, Z Chen, R Liu… - Materials Chemistry …, 2023 - pubs.rsc.org
White light-emitting diodes (WLEDs) are gradually replacing traditional lighting devices and
are becoming a mainstream photosource, as they have advantages of low energy …

Lighting-Up the Far-Red Fluorescence of RNA-Selective Dyes by Switching from Ortho to Para Position

A Cesaretti, E Calzoni, N Montegiove… - International Journal of …, 2023 - mdpi.com
Fluorescence imaging is constantly searching for new far-red emitting probes whose turn-on
response is selective upon the interaction with specific biological targets. Cationic push-pull …

Reversible photoswitching of the DNA-binding properties of styrylquinolizinium derivatives through photochromic [2+ 2] cycloaddition and cycloreversion

S Kölsch, H Ihmels, J Mattay… - Beilstein Journal of …, 2020 - beilstein-journals.org
It was demonstrated that styrylquinolizinium derivatives may be applied as photoswitchable
DNA ligands. At lower ligand: DNA ratios (≤ 1.5), these compounds bind to duplex DNA by …

Specific Fluorescent Probes for Imaging DNA in Cell-Free Solution and in Mitochondria in Living Cells

AS Efimova, MA Ustimova, NS Chmelyuk… - Biosensors, 2023 - mdpi.com
New styryl dyes consisting of N-methylpyridine or N-methylquinoline scaffolds were
synthesized, and their binding affinities for DNA in cell-free solution were studied. The …

A Novel Fluorescent Probe for the Detection of Cyanide Ions in Solutions and Studies on Its Biophysical Interactions with ctDNA and Proteases

B Doyuran, E Gökoğlu, A Zouitini, E Keleş… - Journal of …, 2022 - Springer
A new cationic indolium based styryl dye (Ci) as a fluorescent probe was synthesized and its
anions selectivity/sensitivity properties/molecular interactions with protease enzymes …

Structure-dependent mitochondria or lysosome-targeting styryl fluorophores bearing remarkable Stokes shift

I Čipor, A Kurutos, GM Dobrikov, FS Kamounah… - Dyes and pigments, 2022 - Elsevier
A series of 9 monocationic styryl dyes was prepared in moderate to good yields via
Knoevenagel condensation between various CH active N-quaternary heterocycles and 4-(4 …