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Excitation Wavelength Optimization of Europium-Doped Carbon Dots (Eu-CDs) for Highly Sensitive Detection of Tetracyclines in Water.
ACS Omega
January 2025
Department of Chemistry, Nazarbayev University, Astana 010000, Kazakhstan.
Antibiotic contamination of water bodies has become a serious problem, which leads to aquatic life pollution and the development of antibiotic resistance. Hence, development of highly sensitive and selective optical sensors for antibiotic detection is at the forefront of scientific research. In this study, we present the synthesis of europium-doped carbon dots (Eu-CDs) and excitation wavelength optimization for the highly sensitive detection of tetracycline (TC) and TC-family antibiotics in water.
View Article and Find Full Text PDFChromium-Doped NiBP Micro-Sphere Electrocatalysts for Green Hydrogen Production under Industrial Operational Conditions.
Small Methods
January 2025
Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, 01897, South Korea.
Wide spread adaptation of green hydrogen can help to mitigate the serious climate issues, increasing global energy demands and the development of advanced electrocatalysts robust under industrial conditions is one of the key technological challenges. Herein, chromium-doped nickel-boride-phosphide (Cr/NiBP) micro sphere (MS) electrocatalyst is demonstrated via a two-step hydrothermal approach along with post-annealing. The Cr/NiBP MS demonstrates low hydrogen evolution reaction and oxygen evaluation reaction over potentials of 78 and 250 mV at 100 mA cm in 1 m KOH, out performing most of the reported catalysts.
View Article and Find Full Text PDFExploration of biomass-derived carbon dots based on chestnut shell for the sensitive detection of phosphate and tetracycline hydrochloride.
Spectrochim Acta A Mol Biomol Spectrosc
January 2025
Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.
Phosphate pollution leads to the deterioration of water quality, posing a serious threat to human health. Tetracycline hydrochloride (TC), a class of broad-spectrum bacteriostatic agents, has garnered attention due to its extensive use and potential toxicity. Therefore, developing a highly selective and sensitive fluorescent probe for the detection of phosphates and TC is of significant importance.
View Article and Find Full Text PDFReinforcing ion diffusion and controlling microcrack of nickel-rich cobalt-free single-crystalline cathodes via interfacial protection and bulk optimization.
J Colloid Interface Sci
January 2025
School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001 China. Electronic address:
Nickel-rich cobalt-free layered oxide cathode with Ni contents no fewer than 90 % has received extensive attention in the field of lithium-ion batteries due to its excellent specific capacity and low cost, but serious capacity degeneration induced by structural deterioration and interfacial instability greatly hamper their further development. Herein, the Sb-modified LiNiMnO materials from the interface to interior have been designed and fabricated to overcome the above issues. On the one hand, the introduction of Sb-ion in interior of grains can generate Sb-O chemical bond with high dissociation energy, which contributes to reinforce the chemical and structural stability.
View Article and Find Full Text PDFStriking Improvement of N Selectivity in NH Oxidation Reaction on FeO-Based Catalysts via SiO Doping.
Inorg Chem
January 2025
State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
The emission of NH has been reported to pose a serious threat to both human health and the environment. To efficiently eliminate NH, catalysts for the selective catalytic oxidation of NH (NH-SCO) have been intensively studied. FeO-based catalysts were found to exhibit superior NH oxidation activity; however, the low N selectivity made it less attractive in practical applications.
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