Distinctive effects on fluorescence quantum yields of 4-substituted N-methylphthalimides by inclusion complexation with β-cyclodextrins
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Inclusion Phenomena and Macrocyclic Chemistry"
DOI: 10.1007/s10847-018-00877-4
Abstract: The inclusion constants K for the complexation of 4-substituted N-methylphthalimides with β-cyclodextrins [β-CD and 2,6-di-O-methylated β-CD (DM-β-CD)] were determined from the fluorescence spectra that were enhanced by the inclusion. The structures of the 1:1 inclusion… read more here.
Keywords: substituted methylphthalimides; fluorescence quantum; inclusion; quantum yields ... See more keywords
Fluorescence Quantum Yield Determination of Propylparaben Using Flow Injection Spectroscopy
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluorescence"
DOI: 10.1007/s10895-018-2302-8
Abstract: The determination of the fluorescence quantum yield of Propylparaben is introduced and applied to L-tyrosine as a standard by a new approach that can be applied to the pharmaceutical compound utilised in this study. The… read more here.
Keywords: propylparaben; fluorescence quantum; yield; spectroscopy ... See more keywords
Fluorescence quantum yield determination of molecules in liquids by thermally driven conical diffraction
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2018.01.027
Abstract: Abstract We report on a method to determine fluorescence quantum yield (η) of molecules in solution based on the observation of conical diffraction (CD) patterns induced by thermally driven self-phase modulation (SPM). In this approach,… read more here.
Keywords: thermally driven; determination; fluorescence quantum; quantum yield ... See more keywords
Effect of albumin on the fluorescence quantum yield of porphyrin -based agents for fluorescent diagnostics.
Sign Up to like & getrecommendations! Published in 2017 at "Photodiagnosis and photodynamic therapy"
DOI: 10.1016/j.pdpdt.2017.09.009
Abstract: BACKGROUND Among modern methods of tumor diagnosis, fluorescent methods are considered one of the most prospective. Diagnostic agents (DAs) spread throughout the body by the bloodstream, so, the DA molecules are often transported by albumins… read more here.
Keywords: fluorescence; fluorescence quantum; spectroscopy; albumin ... See more keywords
Goodbye to Quinine in Sulfuric Acid Solutions as a Fluorescence Quantum Yield Standard.
Sign Up to like & getrecommendations! Published in 2019 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.9b00583
Abstract: Quinine is by far the most popular fluorescence quantum yield standard used nowadays. In this work, we exploit a modified version of a recently developed SAFE (simultaneous absorption and emission measurement) method for investigating the… read more here.
Keywords: temperature; fluorescence quantum; yield; quinine ... See more keywords
Blue Fluorescence from BF2 Complexes of N,O-Benzamide Ligands: Synthesis, Structure, and Photophysical Properties.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b02013
Abstract: Small molecules having intense luminescence properties are required to promote biological and organic material applications. We prepared five types of benzamides having pyridine, pyridazine, pyrazine, and pyrimidine rings and successfully converted them into three types… read more here.
Keywords: state; fluorescence; structure; whereas bas ... See more keywords
Fluorescence Quantum Yields in Complex Environments from QM-MM TDDFT Simulations: The Case of Indole in Different Solvents.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry A"
DOI: 10.1021/acs.jpca.0c06631
Abstract: Fluorescence is commonly exploited to probe microscopic properties. An important example is tryptophan in protein environments, where variations in fluorescence quantum yield, and in absorption and emission maxima, are used as indicators of changes in… read more here.
Keywords: fluorescence quantum; fluorescence; quantum yields; complex environments ... See more keywords
Iodine-Catalyzed Multicomponent Synthesis of Highly Fluorescent Pyrimidine-Linked Imidazopyridines
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c01332
Abstract: Herein, we report a metal-free one-pot three-component reaction of aryl methyl ketones, 2-aminopyridines, and barbituric acids for the synthesis of pyrimidine-linked imidazopyridines using a catalytic amount of molecular iodine in DMSO medium. This process involves… read more here.
Keywords: pyrimidine linked; fluorescence quantum; linked imidazopyridines; synthesis ... See more keywords
Preparation of Carbon Dots with Ultrahigh Fluorescence Quantum Yield Based on PET Waste
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c05324
Abstract: Environmentally friendly polyethylene terephthalate-based carbon dots (PET-CDs) with ultrahigh fluorescence quantum yield were prepared with waste PET textiles as raw materials. First, oligomers were prepared from the reaction of waste PET textile and ethylene glycol… read more here.
Keywords: pet cds; carbon; fluorescence quantum; quantum yield ... See more keywords
The combined detection of ovarian cancer biomarkers HE4 and CA125 by a fluorescence and quantum dot dual-signal immunoassay
Sign Up to like & getrecommendations! Published in 2019 at "Analytical Methods"
DOI: 10.1039/c9ay01454c
Abstract: A novel immunoassay system based on a fluorescence and quantum dot dual-signal for simultaneous detection of HE4 and CA125. read more here.
Keywords: fluorescence quantum; quantum dot; immunoassay; dual signal ... See more keywords
Role of functionalization in the fluorescence quantum yield of graphene quantum dots
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0144601
Abstract: As graphene is sculptured into quantum dots, quantum confinement and edge effects induce a finite energy gap and trigger exotic photoluminescent behavior. However, synthesis of graphene quantum dots (GQDs) with high fluorescence quantum yield and… read more here.
Keywords: quantum dots; graphene quantum; fluorescence quantum; functionalization ... See more keywords