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Detecting mitochondrial hypochlorous acid and viscosity in atherosclerosis models via NIR fluorescent probes.
Bioorg Chem
January 2025
Cardiovascular Center, The First Hospital of Jilin University, Changchun 130021, China. Electronic address:
The assessment of early atherosclerosis (AS) via fluorescence imaging is crucial for advancing early diagnosis research. Abnormal inflammation biomarkers, including hypochlorous acid (HClO) and viscosity within mitochondria, have been closely linked to the pathogenesis of AS. However, current fluorescent probes predominantly rely on unimodal imaging that targets a single biomarker and lacks mitochondrial specificity, which can result in potential false signal readouts due to the complex intracellular environment.
View Article and Find Full Text PDFHyperplex PCR enables highly multiplexed analysis of point mutations in wastewater: Long-term SARS-CoV-2 variant surveillance in Sweden as a case study.
Water Res
January 2025
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Box 7050, 75007, Uppsala, Sweden. Electronic address:
Wastewater-based surveillance (WBS) allows the analysis of pathogens, chemicals or other biomarkers in wastewater to derive unbiased epidemiological information at population scale. After re-gaining attention during the SARS-CoV-2 pandemic, the field holds promise as a surveillance and early warning system by tracking emerging pathogens with pandemic potential. Expanding the current toolbox of analytical techniques for wastewater analysis, we explored the use of Hyperplex PCR (hpPCR) to analyse SARS-CoV-2 mutations in wastewater samples collected weekly in up to 22 sites across Sweden between October 2022 and December 2023.
View Article and Find Full Text PDFNovel carbon dots from phenylenediamine for simultaneous detection of peroxydisulfate and phosphate with a smart phone by dual-channel of fluorometry and colorimetry.
Food Chem
January 2025
School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China. Electronic address:
Carbon dots (CDs), one type of zero-dimensional carbon nanomaterial, showed extensive application in food analysis. Herein, CDs as fluorometry and colorimetry probes were developed to determine peroxydisulfate (PDS) and phosphate ion (Pi) in food samples. CDs were developed with one-pot hydrothermal process from 5-amino salicylic acid and o/m-phenylenediamine named o/m-CDs.
View Article and Find Full Text PDFSynchronized acoustic emission and high-speed imaging of cavitation-induced atomization: The role of shock waves.
Ultrason Sonochem
January 2025
School of Engineering Computing and Mathematics, Oxford Brookes University, Oxford, UK; Department of Materials, University of Oxford, Oxford, UK.
This study experimentally investigates the role of cavitation-induced shock waves in initiating and destabilizing capillary (surface) waves on a droplet surface, preceding atomization. Acoustic emissions and interfacial wave dynamics were simultaneously monitored in droplets of different liquids (water, isopropyl alcohol and glycerol), using a calibrated fiber-optic hydrophone and high-speed imaging. Spectral analysis of the hydrophone data revealed distinct subharmonic frequency peaks in the acoustic spectrum correlated with the wavelength of capillary waves, which were optically captured during the onset of atomization from the repetitive imploding bubbles.
View Article and Find Full Text PDFHighly Sensitive Digital and Analog Immunoassay Based on Submicron Magnetic Beads and Fluorescent Microspheres.
Anal Chem
January 2025
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
The detection of disease-related protein biomarkers plays a crucial role in the early diagnosis, treatment, and monitoring of diseases. The concentrations of protein biomarkers can vary significantly in different diseases or stages of the same disease. However, most of the existing analytical methods cannot simultaneously meet the requirements of high sensitivity and a wide dynamic range.
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