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Jurnal Institusi
Photocatalytic and Photoelectrocatalytic Degradation of Methyl Orange Using Graphite/PbTiO3 Composite
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 347-352
Synthesis of graphite/PbTiO3 composite as a catalyst in photodegradation and photoelectrodegradation process of methyl orange have been conducted. The purposes of this research are to study the effect of radiation time, composition of composite, volt...
Jurnal Institusi
Synthesis of Mn(II)-Loaded TixSi1-xO4 Composite Acting as a Visible-Light Driven Photocatalyst
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 43-49
The synthesis and characterization of Mn-loaded TixSi1-xO4 (x= 0.4-0.8) composites and a preliminary study of an activity testing their ability to work as photocatalysts for the degradation of methylene blue (MB) have been studied. Synthesis was cond...
Jurnal Institusi
Synthesis and Characterization of Titania-Rice Husk Silica Composites as Photocatalyst
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 36-42
This article describes the synthesis of titania-silica composites by a sol-gel method using a mixture of silica of rice husk and titanium butoxide sols. Microstructures were examined at calcination temperature in the range of 500 to 700 °C, with tem...
PubMed
The Impact of Seasonally Varying Dissolved Organic Matter in Natural Aquatic Environments on the Photodegradation of Pharmaceutical Pollutants
Toxics
Photochemical degradation is a major removal pathway for pharmaceutical pollutants in water, and dissolved organic matter (DOM) in water is an important factor affecting this process. This study investigates the differential effects of seasonally-var...
PubMed
DEVELOPMENT AND VALIDATION OF A CONGENER-SPECIFIC PHOTODEGRADATION MODEL FOR POLYBROMINATED DIPHENYL ETHERS
Environ Toxicol Chem
With the phaseout of the manufacture of some polybrominated diphenyl ether (PBDE) formulations, namely penta-brominated diphenyl ether (BDE) and octa-BDE, and the continued use of the deca-BDE formulation, it is important to be able to predict the ph...
PubMed
Direct Observation of the Photodegradation of Anthracene and Pyrene Adsorbed onto Mangrove Leaves
PLoS One
An established synchronous fluorimetry method was used for in situ investigation of the photodegradation of pyrene (PYR) and anthracene (ANT) adsorbed onto fresh leaves of the seedlings of two mangrove species, Aegiceras corniculatum (L.) Blanco (Ac)...
PubMed
Dissolved Black Carbon Facilitates the Photodegradation of Microplastics via Molecular Weight-Dependent Generation of Reactive Intermediates
Environ Sci Technol
[Image: see text] Photodegradation of microplastics (MPs) induced by sunlight plays a crucial role in determining their transport, fate, and impacts in aquatic environments. Dissolved black carbon (DBC), originating from pyrolyzed carbon, can potenti...
PubMed
Mechanistic investigation of direct photodegradation of chloroquine phosphate under simulated sunlight
Chemosphere
Chloroquine phosphate (CQ) is an antiviral drug for Coronavirus Disease 2019 and an old drug for treatment of malaria, which has been detected in natural waters. Despite its prevalence, the environmental fate of CQ remains unclear. In this study, the...
PubMed
Unveiling the Photodegradation Mechanism of Monochlorinated Naphthalenes under UV-C Irradiation: Affecting Factors Analysis, the Roles of Hydroxyl Radicals, and DFT Calculation
Molecules
Polychlorinated naphthalenes (PCNs) are a new type of persistent organic pollutant (POP) characterized by persistence, bioaccumulation, dioxin-like toxicity, and long-range atmospheric transport. Focusing on one type of PCN, monochlorinated naphthale...
PubMed
Photodegradation of the phenylpyrazole insecticide ethiprole in aquatic environments and a comparison with fipronil
Environ Sci Pollut Res Int
Ethiprole (ETH) is a phenylpyrazole insecticide that is used worldwide as an alternative to fipronil (FIP). Research on the photodegradation of ETH in aquatic environments has been limited compared with that on FIP. In this study, to clarify the phot...
PubMed
Computational Study of Photodegradation Process and Conversion Products of the Antidepressant Citalopram in Water
Molecules
Citalopram (CIT) is a commonly prescribed medication for depression. However, the photodegradation mechanism of CIT has not yet been fully analyzed. Therefore, the photodegradation process of CIT in water is studied by density functional theory and t...
PubMed
Photodegradation of Flucetosulfuron, a Sulfonylurea-Based Herbicide in the Aqueous Media Is Influenced by Ultraviolet Irradiation
J Xenobiot
Photodegradation (photolysis) causes the breakdown of organic pesticides molecules by direct or indirect solar radiation energy. Flucetosulfuron herbicide often encounters water bodies. For this reason, it is important to know the behavior of the com...
PubMed
Aquatic photodegradation of clofibric acid under simulated sunlight irradiation: kinetics and mechanism analysis
RSC Adv
Clofibric acid is one of the most frequently detected pharmaceuticals in various aquatic environments. Photodegradation of clofibric acid in water under simulated sunlight was investigated. The effects of different initial concentrations, pH conditio...
PubMed
Insights into perfluorooctane sulfonate photodegradation in a catalyst-free aqueous solution
Sci Rep
Photodegradation in the absence of externally added chemicals could be an attractive solution for the removal of perfluorooctane sulfonate (PFOS) in aqueous environment, but the low decomposition rate presents a severe challenge and the underlying me...
PubMed
Photodegradation and Photostability of Bamboo: Recent Advances
ACS Omega
[Image: see text] Bamboo and its products are widely used in indoor and outdoor fields. Photodegradation occurs easily on the surface when bamboo is exposed to ultraviolet (UV) light from solar radiation. This induces surface discoloration and degrad...
PubMed
A hierarchical Ca/TiO(2)/NH(2)-MIL-125 nanocomposite photocatalyst for solar visible light induced photodegradation of organic dye pollutants in water
RSC Adv
In this study, for the first time, the Ca/TiO(2)/NH(2)-MIL-125 nanocomposite photocatalyst was synthesized for the purpose of photodegradation of Methyl Orange (MO) and Rhodamine B (RhB) dyes under visible light irradiation. The structural and chemic...
PubMed
Fe–Doped TiO(2)–Carbonized Medium–Density Fiberboard for Photodegradation of Methylene Blue under Visible Light
Materials (Basel)
Fe–doped titanium dioxide–carbonized medium–density fiberboard (Fe/TiO(2)–cMDF) was evaluated for the photodegradation of methylene blue (MB) under a Blue (450 nm) light emitting diode (LED) module (6 W) and commercial LED (450 nm + 570 nm) b...
PubMed
Visible-Light-Driven Photocatalytic Degradation of Tetracycline Using Heterostructured Cu(2)O–TiO(2) Nanotubes, Kinetics, and Toxicity Evaluation of Degraded Products on Cell Lines
ACS Omega
[Image: see text] This study first reports on the tetracycline photodegradation with the synthesized heterostructured titanium oxide nanotubes coupled with cuprous oxide photocatalyst. The large surface area and more active sites on TiO(2) nanotubes ...
PubMed
The Roles of Different Fractions in Freshwater Biofilms in the Photodegradation of Methyl Orange and Bisphenol A in Aqueous Solutions
Int J Environ Res Public Health
Freshwater biofilms play an important role in the migration and transformation of organic pollutants, especially under illumination conditions. Nonetheless, the roles of variable fractions in freshwater biofilms, e.g., extracellular polymeric substan...
PubMed
Investigation on the Photodegradation Stability of Acrylic Acid-Grafted Poly(butylene carbonate-co-terephthalate)/Organically Modified Layered Zinc Phenylphosphonate Composites
Polymers (Basel)
The application efficiency of biodegradable polymers used in a natural environment requires improved resistance to ultraviolet (UV) photodegradation. In this report, 1,6-hexanediamine modified layered zinc phenylphosphonate (m-PPZn), utilized as a UV...
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