Results 71 to 80 of about 2,340 (207)

Ethynyl and Ethenyl Ferrocenyl Dyads with Acridine, Acridone, and Anthraquinone

open access: yes, 2016
Ethynylferrocenyl derivatives of 2,7-acridine (1, 2), 9-N-acridone (4), and 2-anthraquinone (6) are described. (Z)-10-(2-iodo-1-ethenylferrocene)-9(10H)-acridinone (3), an intermediate in the formation of 4, N-Fc(CH2)n-acridone (5; n = 8, 11), 1-Fc ...
Elise M. McGale (3081423)   +2 more
core   +1 more source

Fluorescent Dyes for Probing Intracellular and Subcellular Polarity

open access: yesChemistry–Methods, Volume 6, Issue 1, January 2026.
Fluorescent probes are crucial tools for measuring cellular microenvironment polarity, a parameter that influences physiological organelle function and diseases such as cancer. This text details the probes' physicochemical principles, intracellular targeting strategies, and key photophysical parameters for polarity estimation.
M. Carmen Gonzalez‐Garcia   +4 more
wiley   +1 more source

Acridone Alkaloids and Coumarins from the Stem Bark of Citropsis articulata (Rutaceae)

open access: yes, 2010
Meva'a LM, Songue JL, Wansi J, et al. Acridone Alkaloids and Coumarins from the Stem Bark of Citropsis articulata (Rutaceae). Zeitschrift für Naturforschung B.
Songue, Jules Lobe   +13 more
core   +1 more source

Antiprotozoal Activity and DNA Binding of Dicationic Acridones

open access: yesJournal of Medicinal Chemistry, 2015
Dicationic acridone derivatives were synthesized and their antiparasitic activity was evaluated. Acridones displayed in vitro nanomolar IC50 values against Trypanosoma brucei rhodesiense STIB900 with selectivity indices >1000. Compounds 1b, 3a, and 3b were as potent as the reference drug melarsoprol in this assay.
Montalvo-Quirós, Sandra   +3 more
openaire   +5 more sources

Development of Free Testosterone Chemiluminescence Detection Kit and Its Clinical Application

open access: yesJournal of Analytical Methods in Chemistry, Volume 2026, Issue 1, 2026.
Background Free testosterone (FT), the bioactive form comprising 1%–2% of total testosterone, directly enters cells. Unlike total testosterone, FT levels are less affected by sex hormone–binding globulin and better reflect biological activity. Accurate serum FT measurement is crucial for diagnosing conditions like male hypogonadism, PCOS, metabolic ...
Shuang Han   +6 more
wiley   +1 more source

The Role of Acridin-9(10H)-one in the Inhibition of Carbon Steel Corrosion: Thermodynamic, Electrochemical and DFT Studies

open access: yesInternational Journal of Electrochemical Science, 2013
Inhibition of the corrosion of carbon steel in aerated 1.0 M HCl solution by acridin-9(10H)-one (Hydacr) was investigated by use of gravimetric, potentiodynamic polarization (Tafel) and electrochemical impedance spectroscopy.
A.H. Al Hamzi   +8 more
doaj   +1 more source

Excited State Modulation in Carbene‐Metal‐Amides to Design Fast and Bright Blue Delayed Fluorescence

open access: yesAdvanced Functional Materials, Volume 35, Issue 52, December 23, 2025.
Gold‐centered carbene‐metal amide (CMA) materials with carbonyl‐group substitution on the amide donor ligand. Molecular design ensures that the charge transfer (CT) state is lower in energy than the locally excited (3LE) states. The energy difference between CT and LE states controls the rate of the delayed fluorescence.
Charlotte Riley   +3 more
wiley   +1 more source

Exploring packing features of N-substituted acridone derivatives: Synthesis and X-ray crystallography studies

open access: yes, 2022
The title compounds include an acridone as a parent molecule in which nitrogen is linked to other nitrogen-containing heterocyclic molecules through two carbon chain alkyl linkers connected by a C—N single bond. These acridone derivatives crystallized as
Hussain, Javeena   +4 more
core   +1 more source

Notes on the genus Paramignya: Phytochemistry and biological activity

open access: yesBulletin of Faculty of Pharmacy Cairo University, 2018
Genus Paramignya belongs to Rutaceae family, with interesting secondary metabolites, comprising main classes of compounds coumarin and coumarin glycosides, acridone alkaloids, tirucallane and tirucallane glycosides, phenols, and flavonoids, as well as ...
Ninh The Son
doaj   +1 more source

Multi‐channel charge transfer delayed fluorescence enabling high‐efficiency organic light‐emitting diodes

open access: yesFlexMat, Volume 2, Issue 4, Page 533-581, December 2025.
The enhanced utilization of triplet excitons is a central theme in the evolution of organic luminescent materials. This review sums up recent research on multi‐channel charge transfer delayed fluorescence molecules, which exhibit a unique distribution of excited‐state energy levels, thereby enhancing the utilization rate of triplet excitons and ...
Guo‐Wei Chen   +6 more
wiley   +1 more source

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