Photochemical stability is one of the most important parameters that determine the usefulness of organic dyes in different applications. This Review addresses key factors that determine the dye photostability. It is shown that photodegradation can follow different oxygen-dependent and oxygen-independent mechanisms and may involve both S-T and higher-energy S-T excited states. Their involvement and contribution depends on dye structure, medium conditions, irradiation power. Fluorescein, rhodamine, BODIPY and cyanine dyes, as well as conjugated polymers are discussed as selected examples illustrating photobleaching mechanisms. The strategies for modulating and improving the photostability are overviewed. They include the improvement of fluorophore design, particularly by attaching protective and anti-fading groups, creating proper medium conditions in liquid, solid and nanoscale environments. The special conditions for biological labeling, sensing and imaging are outlined.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1088/2050-6120/ab7365 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Uncovering the complexity of source mechanism in an anisotropic coal mine using sequential inversion.
Sci Rep
December 2024
Department of Geophysics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan.
Accurate characterisation of seismic source mechanisms in mining environments is crucial for effective hazard mitigation, but it is complicated by the presence of anisotropic geological conditions. Neglecting anisotropic effects during moment tensor (MT) inversion introduces significant distortions in the retrieved source characteristics. In this study, we investigated the impact of ignoring anisotropy during MT inversion on the reliability of hazard assessment.
View Article and Find Full Text PDFNucleation and growth of zinc-templated mesoporous selenium nanoparticles and potential non-thermal effects during their microwave-assisted synthesis.
Sci Rep
December 2024
Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland.
The effects of 5.8-GHz microwave (MW) irradiation on the synthesis of mesoporous selenium nanoparticles (mSeNPs) in aqueous medium by reduction of selenite ions with ascorbic acid, using zinc nanoparticles as a hard template and cetyltrimethylammonium bromide (CTAB) as a micellar template, are examined for the first time with a particular emphasis on MW-particle interactions and the NPs morphology. This MW-assisted synthesis is compared to 2.
View Article and Find Full Text PDFEfficient synthesis of α-aminophosphonates using magnetically retrievable ionic nanocatalysts under ultrasound acceleration.
Sci Rep
December 2024
Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Magnetic supported ionic liquids are a unique subclass of ionic liquids that possess the ability to respond to external magnetic fields, combining the advantageous properties of traditional ILs with this magnetic responsiveness. A novel magnetic ionic nanocatalyst of FeO@SiO@CPTMS-DTPA was prepared by anchoring an ionic liquid, CPTMS-DTPA, onto the surface of silica-modified FeO. The morphology, chemical structure and magnetic property of the magnetic ionic nanocatalyst structure was characterized using scanning electron microscopy, X-ray powder diffraction, Fourier transformation infrared spectroscopy, vibrating sample magnetometer, and thermogravimetric analysis.
View Article and Find Full Text PDFZn adsorption in ferric-silicates microstructures in sulfidic tailings mediated through mineral weathering by Acidithiobacillus species.
Chemosphere
December 2024
College of Land Science and Technology, China Agricultural University, Beijing 100193, PR China. Electronic address:
Heavy metals released from metallic sulfidic tailings pose significant environmental threats by contaminating surface and groundwater in mining areas. Sustainable rehabilitation methods are essential to remove or stabilize these metals, improving the quality of acid mine drainage and minimizing pollution. This study examines the adsorption capacity of zinc ions (Zn) by different iron-silicate mineral groups under natural weathering and bacteria-regulated weathered conditions.
View Article and Find Full Text PDFSexual, relational, and psychological functioning in male partners of women with reported Mayer-Rokitansky-Küster-Hauser syndrome-a case-control study.
Hum Reprod
December 2024
Outpatient Clinic Sexology and Psychosomatic Gynaecology and Obstetrics, Amsterdam University Medical Centre, Amsterdam, The Netherlands.
Study Question: Do sexual, relational, and psychological functioning of male partners of women with Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome differ from male partners of women without MRKH syndrome?
Summary Answer: Male partners of women with MRKH syndrome did not significantly differ in sexual functioning but reported higher relational satisfaction and less anxiety than the control group.
What Is Known Already: To date, only a few studies have reported occasionally about sexual, psychological, and relational functioning of partners of women with MRKH syndrome. The results seem to suggest sexual satisfaction in these men, contrary to the more often reported insecurities in women with MRKH syndrome surrounding sexuality and relationships.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!