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A perylene-based fluorescent probe for highly efficient SDS detection.
Anal Methods
January 2025
Department of Chemistry, University of South Florida, Tampa, Florida 33620, USA.
Sodium dodecyl sulfate (SDS) is widely used in numerous household products and pharmaceuticals due to its excellent water solubility, emulsification, foaming, and dispersing properties. However, the extensive use of SDS has made it a significant environmental pollutant, posing a great threat to aquatic ecosystems. Therefore, developing a rapid, efficient, and sensitive probe for detecting SDS in aqueous environments is crucial.
View Article and Find Full Text PDFImmobilization of horseradish peroxidase on UiO-66-NH for colorimetric and fluorometric sensing of nitrite.
Nanoscale
January 2025
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
Immobilized enzymes play a crucial role in analytical sensing due to their exceptional stability and considerable commercial importance. In this study, a stable Zr-based metal-organic framework (UiO-66-NH) was prepared as an immobilization platform for horseradish peroxidase (HRP) through covalent binding. HRP@UiO-66-NH retained 75% of its activity after 10 cycles.
View Article and Find Full Text PDFState-of-the-art progress and prospect of metal-organic frameworks and composites for photoelectrochemical amino-drugs sensing.
Environ Res
January 2025
Energy Convergence Research Center, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Republic of Korea; Department of Fine Chemistry, Seoul National University of Science and Technology, 232, Gongneung-ro, Nowon-gu, Seoul 01811, Republic of Korea; Institute for Applied Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Republic of Korea. Electronic address:
Unregulated discharge of antibiotics in waterbodies has posed significant threat to the aquatic flora and fauna in post-pandemic times. This alarming situation has ascertained the need for suitable sensors to detect persistent antibiotic residues. In this context, functional hybrid materials centralized on reticular metal-organic frameworks (MOFs)/composites have been a research hot spot for photoelectrochemical host-guest recognition events over the past two decades.
View Article and Find Full Text PDFPerylene diimide based fluorescent sensors for aqueous detection of perfluorooctane sulfonate (PFOS).
Anal Chim Acta
March 2025
Department of Materials Science and Engineering, University of Utah, Salt Lake City, UT, 84112, USA. Electronic address:
Background: Perfluorooctane sulfonate (PFOS), one of the most harmful members of the large group of per- and poly-fluoroalkyl substances (PFAS), is notorious for its environmental persistence, bioaccumulation, and toxic effects, raising serious environmental and health concerns. Developing rapid and sensitive methods to detect PFOS in water is critical for effective monitoring and protection against this hazardous chemical.
Results: In this study, we developed rapid and highly sensitive fluorometric sensors (PDI-2+ , PDI-6+ ) for detecting PFOS.
Integrating ex situ biomimetic extraction analyses into contaminated sediment assessment and management decisions.
Integr Environ Assess Manag
January 2025
Department of Civil, Environmental, and Construction Engineering, Texas Tech University, Lubbock, TX, United States.
This study evaluated a novel ex situ passive sampling biomimetic extraction (BE) method to estimate toxic potency in sediments. Gas chromatography with flame ionization detection (GC-FID) analysis of polydimethylsiloxane fibers equilibrated with field sediments was used to quantify bioavailable polyaromatic hydrocarbons (PAHs) and other unresolved, site-specific contaminant mixtures. This method is biomimetic because contaminants partition to the fiber based on hydrophobicity and abundance, and GC-FID quantification accounts for all constituents absorbed to the fiber that may contribute to toxicity.
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