Results 111 to 120 of about 161,385 (407)
This study presents a novel donor‐bridge‐acceptor‐bridge‐donor (D‐B‐A‐B‐D) molecular system, which shows near‐unity intramolecular excitation energy transfer (IET) from two identical energy donors to a coplanar acceptor. It enables a four‐level energy system for efficient lasing at the acceptor emission band in a microspherical cavity with a low lasing
Vishal Kumar+6 more
wiley +1 more source
Synthesis, Characterization and Docking Study of Novel Pyrimidine Derivatives as Anticancer Agents
New compounds 5 and 9 using DNA bases e.g. Adenine 1 and Guanine 6 derivatives have been synthesized. The use of simple methods to synthesize compounds 5 and 9 were done using pyrimidine as an alternative DNA base ring.
Manal Mohamed Talaat El-Saidi+5 more
doaj +1 more source
Photochemistry of Hydrochar: Reactive Oxygen Species Generation and Sulfadimidine Degradation.
Biochar, mainly including pyrochar produced via pyrolysis of biomass at moderate temperatures of 350-700 °C and hydrochar formed by hydrothermal carbonization in a range of 150-350 °C, has received increasing attention because of its significant ...
N. Chen+4 more
semanticscholar +1 more source
“Writing” Crystal Phases in Amorphous Calcium Carbonate via Laser‐Induced Patterned Transformations
Laser‐induced crystallization enabling the patterning of amorphous calcium carbonate into various distinct phases is introduced. This approach provides spatial control over polymorph selection, both crystalline and amorphous, inspired by biomineralization pathways.
Hadar Shaked+6 more
wiley +1 more source
The combination of a dye which absorbs the photon, an electron acceptor and an electron donor leading to energy conversion through electron transfer, was the basis of the so called three-component systems.
Christian Ley+4 more
doaj +1 more source
Light‐Activatable Hyaluronic Acid‐Derivatives Releasing Nitric Oxide and Their Delivery in the Skin
This work explores the development of photoactivatable hyaluronic acid (HA) derivatives functionalized with nitric oxide (NO) photodonors for light‐controlled therapeutic applications. The HA derivatives demonstrate enhanced keratinocyte proliferation and migration, effective NO release, and skin penetration when formulated as microemulsions.
Giuseppe Longobardi+7 more
wiley +1 more source
Br−/BrO−-mediated highly efficient photoelectrochemical epoxidation of alkenes on α-Fe2O3
Alkene epoxidation, whose products are important intermediates for the manufacture of pharmaceuticals and epoxy resins, has attracted extensive attention.
Yukun Zhao+9 more
doaj +1 more source
Engineered exosome‐based heavy atom‐free nanosensitizers are developed for safe and targeted sono‐photodynamic therapy of solid tumors. The IR820‐TPE‐loaded, biotin‐conjugated exosomes (IR820‐TPE@B‐Exo) demonstrate significant promise for NIR fluorescence imaging‐guided sono‐photodynamic cancer therapy.
Van‐Nghia Nguyen+16 more
wiley +1 more source
Degradation of Sunset Yellow FCF using copper loaded bentonite and H2O2 as photo-Fenton like reagent
In the present work, photo-Fenton degradation of Sunset Yellow FCF under visible light was carried out by using copper loaded bentonite and hydrogen peroxide.
Kiran Chanderia+4 more
doaj +1 more source
Photoreactivity of condensed acetylene on Titan aerosols analogues [PDF]
Volatile organic molecules formed by photochemistry in the upper atmosphere of Titan can undergo condensation as pure ices in the stratosphere and the troposphere as well as condense as ice layers onto the organic aerosols that are visible as the haze layers of Titan. As solar photons penetrate through Titan s atmosphere, shorter-wavelength photons are
arxiv +1 more source