Results 51 to 60 of about 827,770 (161)

Induction of the synthesis of bioactive compounds of the marine alga Tetraselmis tetrathele (West) Butcher grown under salinity stress

open access: yesEgyptian Journal of Aquatic Research, 2016
This work aims at the induction of the synthesis bioactive compounds in microalgae which are used in aquacultures. Experiments were done using Tetraselmis tetrathele in batch culture for 8 days under different salinity levels.
Hala Yassin El-Kassas   +1 more
doaj   +1 more source

Molecularly Engineered Dual‐Crosslinked Polymer Dielectrics for 200 °C Capacitive Energy Storage

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 6, November 2026.
This work establishes a molecular engineering strategy that constructs a robust dual‐crosslinked network in polymer nanocomposites, achieving a record‐high energy density of 5.17 J cm−3 with >90% efficiency at 200 °C. The multiscale‐validated design simultaneously enhances dielectric polarization and introduces deep electron traps, resulting in ...
Xue Li   +9 more
wiley   +1 more source

Decoupling Photophysical Brightness and Cellular Imaging Efficiency in 4‐ANI‐Based Fluorophores: The Critical Role of Sterically Hindered N‐Substituents

open access: yesChemBioChem, Volume 27, Issue 19, 14 October 2026.
A screening of twenty‐one 4‐ANI fluorophores led to the identification of an N‐cycloheptylamine derivative with >10‐fold enhanced cellular fluorescence, enabling submicromolar imaging with minimal cell perturbation. Integrated photophysics, microscopy, flow cytometry, and DFT reveal that sterically hindered N‐substituents optimize uptake and solubility.
Laurane Michel   +7 more
wiley   +1 more source

Oxidative Degradation of Cardiotoxic Anticancer Anthracyclines to Phthalic Acids

open access: yes, 2004
We show that the pseudoperoxidase activity of ferrylmyoglobin (MbIV) promotes oxidative degradation of doxorubicin (DOX), an anticancer anthracycline known to induce severe cardiotoxicity.
CARTONI, Antonella   +26 more
core   +1 more source

Loss of CO 2 from Monodeprotonated Phthalic Acid upon Photodissociation and Dissociative Electron Detachment

open access: yes, 2021
International audienceThe decarboxylation (CO2 loss) mechanism of cold monodeprotonated phthalic acid was studied in a photodissociation action spectrometer by quantifying mass-selected product anions and neutral particles as a function of the excitation
Marceca, Ernesto   +7 more
core   +1 more source

Photodegradation of Azo and Hydrazone Colourants on Cellulose‐Based Materials: A Mass Spectrometric Screening

open access: yesChemistrySelect, Volume 11, Issue 37, 6 October 2026.
Natural‐light ageing of early azo dyes and hydrazone pigments (AY36, AO7, and AR1) on cellulose‐based supports produces marked chromatic changes and distinct molecular transformations. LC–HRMS analysis of aged AY36 reveals degradation products associated with N‐oxidation, N‐dearylation, azo‐bond oxidation, and formaldehyde addition, providing a first ...
Adele Ferretti   +2 more
wiley   +1 more source

Very Strong Hydrogen Bond in Nitrophthalic Cocrystals

open access: yesMolecules
This work presents the studies of a very strong hydrogen bond (VSHB) in biologically active phthalic acids. Research on VSHB comes topical due to its participation in many biological processes.
Kinga Jóźwiak   +5 more
doaj   +1 more source

Fracture load and three‐dimensional internal void analysis of direct composites used to restore worn molars

open access: yesEuropean Journal of Oral Sciences, Volume 134, Issue 5, October 2026.
Abstract This study evaluated (1) the load‐bearing capacity of molars restored with direct occlusal veneers fabricated either from short‐fiber‐reinforced composite (SFRC) or particulate‐filled composite (PFC) and the presence of internal voids within the materials, and (2) effect of water storage on the fracture load and correlation between internal ...
Topias Yli‐Urpo   +6 more
wiley   +1 more source

Stabilization of hydrogen peroxide using phthalic acids in the Fenton and Fenton-like oxidation

open access: yes, 2013
The stabilization of hydrogen peroxide was evaluated in Fenton reaction with phthalic acid as a stabilizer. The stabilization effect was high at a low pH < pK(a1) and the effect was negligible at a high pH above pK(a2) in both Fenton and Fenton ...
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core   +1 more source

Production of PVC-films with specific properties [PDF]

open access: yesНанотехнологии в строительстве, 2018
When developing polymeric materials with specified properties special compounds such as fungicides are used alongside traditional chemical additives (plasticizers).
MASKOVA Albina Rafitovna   +4 more
doaj   +1 more source

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