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Nitrogen-Doped Carbon Dots Prepared via Microchannel Method for Visual Detection of Copper Ions.
Luminescence
February 2025
School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China.
Copper ions (Cu) play a crucial role in biological processes; however, excessive intake can result in severe health problems. Current methods for detecting copper ions are both expensive and complex. Therefore, there is a need for efficient and straightforward visual detection methods.
View Article and Find Full Text PDFComparison between electrochemiluminescence of luminol and electrocatalysis by Prussian blue for the detection of hydrogen peroxide.
Anal Methods
January 2025
Department of Chemistry, Faculty of Mathematics and Sciences, Universitas Indonesia, Jakarta, Indonesia.
Electrochemiluminescence (ECL) of luminol and electrocatalysis by Prussian blue were compared for the selective detection of HO at the boron-doped diamond (BDD) electrodes. The HO detection was optimized by various parameters such as the applied potential at pH 7.4, which is a physiological value usually used for HO detection in enzymatic reactions.
View Article and Find Full Text PDFAl doped silica glass: investigation of structural response and defect interactions based on crystalline models.
Phys Chem Chem Phys
January 2025
The Quartz Corp, Hellandsveien 14, 8270, Drag, Norway.
High purity quartz glass is an important material in high-tech industries like semiconductors and photovoltaics due to, among other properties, its good mechanical performance at high temperatures. Small amounts of Al in silica glass (in the range between 20 ppm and 100 ppm) have previously been shown to increase the viscosity of the SiO glass. The underlying mechanism for this increase is, however, not well understood.
View Article and Find Full Text PDFAn agar hydrogel-CuNPs/N@CQDs dual-mode colorimetric/fluorescent indicator for non-destructive monitoring of banana ripening.
Food Chem
January 2025
Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran. Electronic address:
A colorimetric-fluorescence ripeness indicator, based on copper nanoparticles and carbon quantum dots doped with nitrogen (CuNPs/N@CQD) immobilized in agar hydrogel (AGH-CuNPs/N@CQDs) for ethylene gas detection, was developed for detecting the ripening of bananas. Ethylene could reduce the fluorescence intensity of CuNPs/N@CQDs and cause a red shift of the LSPR peak. The prepared AGH-CuNPs/N@CQDs indicator had an irreversible response to ethylene with LOD and LOQ of 9.
View Article and Find Full Text PDFZn-doped CaP coating equips Ti implants with corrosion resistance, biomineralization, antibacterial and immunotolerant activities.
J Adv Res
January 2025
National Institute of Research and Development for Optoelectronics - INOE 2000, 409 Atomistilor St. 077125 Magurele, Romania. Electronic address:
Introduction: Chronic inflammation leading to implant failure present major challenges in orthopedics, dentistry, and reconstructive surgery. Titanium alloys, while widely used, often provoke inflammatory complications. Zinc-doped calcium phosphate (CaP) coatings offer potential to enhance implant integration by improving corrosion resistance, bioactivity, and immunocompatibility.
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