Results 11 to 20 of about 49,559 (307)

A new parameterization of photolysis rates for oxygenated volatile organic compounds (OVOCs) [PDF]

open access: yesAtmospheric Chemistry and Physics
Oxygenated volatile organic compounds (OVOCs) play a crucial role in atmospheric chemistry, significantly influencing radical production and VOC degradation through photolysis.
Y. Peng   +11 more
doaj   +1 more source

Photocatalytic Properties of Graphene/Gold and Graphene Oxide/Gold Nanocomposites Synthesized by Pulsed Laser Induced Photolysis

open access: yesNanomaterials, 2020
Graphene (Gr)/gold (Au) and graphene-oxide (GO)/Au nanocomposites (NCPs) were synthesized by performing pulsed-laser-induced photolysis (PLIP) on hydrogen peroxide and chloroauric acid (HAuCl4) that coexisted with Gr or GO in an aqueous solution.
Li-Hsiou Chen   +8 more
doaj   +1 more source

Occurrence and Treatment of Antibiotic-Resistant Bacteria Present in Surface Water

open access: yesMembranes, 2023
According to the World Health Organization, antibiotic resistance is one of the main threats to global health. The excessive use of several antibiotics has led to the widespread distribution of antibiotic-resistant bacteria and antibiotic resistance ...
João Sério   +4 more
doaj   +1 more source

Upgrading photolysis in the p-TOMCAT CTM : model evaluation and assessment of the role of clouds. [PDF]

open access: yes, 2009
A new version of the p-TOMCAT Chemical Transport Model (CTM) which includes an improved photolysis code, Fast-JX, is validated. Through offline testing we show that Fast-JX captures well the observed J(NO2) and J(O1D) values obtained at Weybourne and ...
Savage, N.H.   +16 more
core   +1 more source

Green approach for tracking the photofate of ciprofloxacin and levofloxacin in different matrices adopting synchronous fluorescence spectroscopy: a kinetic study

open access: yesRoyal Society Open Science, 2023
First derivative synchronous fluorescence spectroscopy (FDSFS) was applied to detect and quantify either ciprofloxacin (CIP) or levofloxacin (LEV) simultaneously with their photodegradation products, where the photolytic pathway for each analyte was ...
Mohammed E. Draz   +3 more
doaj   +1 more source

STUDY OF THE STABILITY OF THE SUBSTANCE 3-[2-(4-PHENYL-1-PIPERAZINO)-2-OXOETHYL]QUINAZOLINE-4(3Н)-ONE UNDER STRESSFUL CONDITIONS

open access: yesФармация и фармакология (Пятигорск), 2021
The aim of the research was to study the stability of a new pharmaceutical substance 3-[2-(4-phenyl-1-piperazino)-2-oxoethyl]quinazoline-4(3Н)-one under stress conditions.Materials and methods.
T. A. Gendugov   +3 more
doaj   +1 more source

Degradation and Pathways of Carvone in Soil and Water

open access: yesMolecules, 2022
Carvone is a monoterpene compound that has been widely used as a pesticide for more than 10 years. However, little is known regarding the fate of carvone, or its degradation products, in the environment.
Chenyu Huang   +5 more
doaj   +1 more source

DEGRADASI ZAT WARNA SUDAN I SECARA SONOLISIS DAN FOTOLISIS DENGAN PENAMBAHAN TiO2-ANATASE

open access: yesJurnal Riset Kimia, 2015
Degradation of Sudan I dye had been done with sonolysis and photolysis by adding anatase-TiO2.  Sonolysis method were performed using an ultrasound with frequency  of 45 kHz.
Safni -   +4 more
doaj   +1 more source

Electrochemical Photocatalytic Degradation of Rhodamine B Dye by Sm3+ doped Titanium Dioxide (Sm-TiO2) in Natural Sunlight Exposure

open access: yesInternational Journal of Electrochemical Science, 2021
Nanoparticles Sm-TiO2 is successfully synthesize by photolysis method for degrading Rhodamine B (RhB) dye under direct sunlight. The prepared nanoparticles were characterized by X-photoelectron spectrum (XPS), X-ray diffraction (XRD), Raman spectrum ...
Zaid H. Mahmoud   +2 more
doaj   +1 more source

Strategy for Engineering High Photolysis Efficiency of Photocleavable Protecting Groups through Cation Stabilization [PDF]

open access: yes, 2022
[Image: see text] Photolabile protecting groups (PPGs) enable the precise activation of molecular function with light in many research areas, such as photopharmacology, where remote spatiotemporal control over the release of a molecule is needed.
Alachouzos, Georgios   +13 more
core   +1 more source

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