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A pure aqueous phase recognition and corresponding detoxification of highly toxic cyanide ions has been achieved by a fluorescent metal-organic framework (MOF). The cyanide detoxification has been shown to be effective even in in vitro studies and the MOF could be recycled to show the same efficiency of detoxification.
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http://dx.doi.org/10.1039/c6cc08557a | DOI Listing |
Leg Med (Tokyo)
September 2025
Department of Analytical Chemistry, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41, Ebara, Shinagawa-ku, Tokyo 142-8501, Japan.
This study investigated headspace solid-phase microextraction (HS-SPME)-gas chromatography (GS)/mass spectrometry as a low-complexity method for accurate measurement of blood alcohol concentration (BAC) changes in humans over time following alcohol consumption. The aim was to develop an analytical method that would require as small blood samples as possible-smaller than that required for the conventional method-thereby reducing the burden on the subject. Polyethylene glycol (PEG) was used as the fiber material for SPME, and a DB-WAX capillary column was used for GC.
View Article and Find Full Text PDFJ Phys Chem B
September 2025
Key Laboratory of Physics and Technology for Advanced Batteries, College of Physics, Jilin University, Changchun 130012, China.
Understanding hydrogen bonding and ion-specific interactions in water, sodium sulfate (NaSO), and acetonitrile (ACN) systems remains challenging due to their complex, dynamic nature. Here, Raman spectroscopy is employed to probe hydrogen bonding networks and ion reorganization in NaSO aqueous solutions with different ACN concentrations. The results indicate that, at low ACN concentrations in the ternary solutions, hydrogen bonding between ACN and water molecules disrupts the original hydration structure of the ions, resulting in the formation of small ion clusters via electrostatic interactions.
View Article and Find Full Text PDFEnviron Monit Assess
September 2025
School of Geological Survey, China University of Geosciences, Wuhan, 430074, China.
Cadmium (Cd) contamination in water poses a critical global challenge. A novel nanocomposite, montmorillonite (Mt)-supported nanoscale zero-valent iron (Mt-nZVI), synthesized by liquid phase reduction, offers a promising method for effectively removing Cd. The material underwent characterization through various techniques, including X-ray diffraction (XRD) and Scanning Electron Microscope(SEM).
View Article and Find Full Text PDFAnal Sci
September 2025
Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources and Environment, Nanchang University, Nanchang, 330031, People's Republic of China.
The accurate detection of trace perfluoroalkyl acids (PFAAs) in drinking water remains challenging due to nonspecific adsorption losses during pretreatment. This study systematically evaluated the adsorption behaviors of 11 PFAAs across five filtration membranes and four solid-phase extraction (SPE) sorbents to establish an optimized analytical protocol. Results demonstrated that glass fiber (GL) filters minimized PFAAs retention (94.
View Article and Find Full Text PDFEnviron Sci Technol
September 2025
Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, CNRS, UMR 6296, Clermont-Ferrand 63000, France.
Pesticide contamination is a growing and alarming concern for both the environment and human health. Widely used in agriculture to control pests and disease carriers, pesticides undergo extensive long-range atmospheric transport in the gas phase, in aerosols, and, as shown here, in clouds. We measured the concentration of 32 pesticides at the puy de Dôme observatory (France) in the sub μg L to μg L range in cloud water, largely arising from regional to long-range transport that also involves pesticides currently banned for agricultural use in France.
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