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Potential Air Quality Side-Effects of Emitting HO to Enhance Methane Oxidation as a Climate Solution.
Environ Sci Technol
January 2025
Department of Atmospheric Sciences, University of Utah, Salt Lake City, Utah 84112, United States.
Methane (CH) is a greenhouse gas with a global warming potential 81.2 times higher than carbon dioxide (CO). The intentional emission of oxidants into the atmosphere has been proposed as a geoengineering solution to accelerate the oxidation of CH to CO, thereby reducing surface warming.
View Article and Find Full Text PDFSmartphone-integrated colorimetric sensor for rapid detection of phenolic compounds based on the peroxidase-mimicking activity of copper/cerium-aspartic acid metal-organic framework.
Mikrochim Acta
January 2025
Department of Pulmonary and Critical Care Medicine, Quzhou People's Hospital, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China.
A smartphone-integrated colorimetric sensor is introduced for the rapid detection of phenolic compounds, including 8-hydroquinone (HQ), p-nitrophenol (NP), and catechol (CC). This sensor relies on the peroxidase-mimicking activity of aspartate-based metal-organic frameworks (MOFs) such as Cu-Asp, Ce-Asp, and Cu/Ce-Asp. These MOFs facilitate the oxidation of a colorless substrate, 3,3',5,5'-tetramethylbenzidine (TMB), by reactive oxygen species (ROS) derived from hydrogen peroxide (HO), resulting in the formation of blue-colored oxidized TMB (ox-TMB).
View Article and Find Full Text PDFEvaluation of direct photolysis and UVC/H O process in the oxidation of benzoic acid: experimental and numerical analysis.
Environ Sci Pollut Res Int
January 2025
Department Chemical and Food Engineering, UFSC, Florianópolis, 88040-900, SC, Brazil.
Produced water management is a significant challenge for the oil and gas industry. Due to the large volumes and complex composition of this water, treatment requires special attention, resulting in high costs for companies in the sector. Naphthenic acids, known for their recalcitrance, add a layer of complexity to the treatment process.
View Article and Find Full Text PDFBackground: In Alzheimer's disease (AD), histone acetylation is disrupted, suggesting loss of transcriptional control. Moreover, converging evidence suggests an age- and AD-dependent loss of transcription controlled by all-trans-retinoic acid (ATRA), the bioactive metabolite of vitamin A (VA). Antioxidant depletion causes oxidative stress (OS).
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Department of Neurology, Mayo Clinic, Rochester, MN, USA.
Background: Despite recent FDA approvement of disease-modifying treatments that reduce Aβ, the identification of novel therapeutic strategies that could delay the Alzheimer's disease (AD) development are needed. We identified and developed novel small molecule compounds that mildly inhibit mitochondrial complex I (MCI). Chronic treatment with a tool compound CP2 in 4 mouse models of familial AD was efficacious protecting against synaptic dysfunction and memory impairment, improving brain energetics and cognitive performance, reducing levels of human pTau and Ab.
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