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Trace level detection of Pb ion using organic ligand as fluorescent-on probes in aqueous media.
Heliyon
January 2025
Department of Pharmaceutical Chemistry, College of Pharmacy King Saud University, Riyadh Saudi Arabia.
In this study, an optical sensor, JA/(2,6-di((E)-benzylidene)cyclohexan-1-one), was synthesized and characterized using H NMR and FT-IR spectroscopy. The sensor exhibited high efficiency and selectivity in detecting Pb ions, even in the presence of potential interfering ions such as Mn, Cu, Co, Cr, Ni, Ce, Hg, and Cd in aqueous solutions. The interaction of JA with Pb resulted in a significant enhancement of fluorescence intensity, suggesting the formation of a stable complex.
View Article and Find Full Text PDFEvaluating climate-related financial policies' impact on decarbonization with machine learning methods.
Sci Rep
January 2025
Joint Lab Artificial Intelligence and Data Science, Osnabrück University, 49074, Osnabrück, Germany.
This study examines how Climate-Related Financial Policies (CRFPs) support decarbonization and renewable energy transitions across 87 countries from 2000 to 2023. Using the Policy Sequencing Score (PSS) and a bindingness-weighted adoption indicator, it explores the relationships between CRFPs, CO2 emissions, and Renewable Energy Production (REP) across diverse economic and institutional contexts. Findings reveal significant variation in outcomes.
View Article and Find Full Text PDFCO driven tunable syngas synthesis via CO photoreduction using a novel NiCo bimetallic metal-organic frameworks.
J Colloid Interface Sci
January 2025
School of Chemistry, Sun Yat-sen University, Guangzhou 510275, Guangdong, China. Electronic address:
Syngas has important industrial applications, and converting CO to CO is critical for syngas production. Metal-organic frameworks (MOFs) have demonstrated significant potential in photocatalytic syngas conversion, although the impact of catalytic reactions on tunable H/CO ratios remains unclear. Herein, we present a novel bimetallic NiCo-MOF catalyst, NiCo, exhibiting high catalytic activity in syngas conversion due to the CO product self-driven effect.
View Article and Find Full Text PDFStabilization of small organic molecules on VC and VCO MXenes: first-principles insights into the performance of van der Waals functionals and the effect of oxygen vacancies.
RSC Adv
January 2025
New Industry Creation Hatchery Center, Tohoku University Sendai 980-8579 Japan.
The adsorption of small organic molecules on pristine VC MXene and its derivatives is investigated by first-principles density functional theory calculations. By employing state-of-the-art van der Waals (vdW) density functionals, the binding affinity of studied molecules, , CH, CO, and HO on MXene adsorbents is well described by more recent vdW functionals, , SCAN-rvv10. Although both CH and CO are nonpolar molecules, on pristine and oxygen-vacancy surfaces, they show a different range of adsorption energies, in which CH is more inert and has weaker binding than CO.
View Article and Find Full Text PDFEffect of cobalt ions doping on morphology and electrochemical properties of hydroxyapatite coatings for biomedical applications.
Sci Rep
January 2025
Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, 29 Bahman Blvd., Tabriz, Iran.
Hydroxyapatite (HA) is an engineered biomaterial that closely resembles the hard tissue composition of humans. Biological HA is commonly non-stoichiometric and features lower crystallinity and higher solubility than stoichiometric HA. The chemical compositions of these biomaterials include calcium (Ca), phosphorus (P), and trace amounts of various ions such as magnesium (Mg), zinc (Zn), and strontium (Sr).
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