Highly Facile Strategy for the Ultrasensitive Differentiation of D2O and H2O by Red-Emitting Carbon Dots DOI
Yangxia Han, Haixia Zhang, Yan‐Ping Shi

et al.

Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: April 2, 2025

Distinguishing between D2O and H2O is crucial for the utilization of high-purity in nuclear industry, chemical analysis, biological pathway tracing, other fields, as well ensuring integrity water quality safeguarding human health, but challenging due to their highly analogous physical properties. On basis fact that exhibits superior hydrogen bond strength deprotonation capacity phenolic OH group compared H2O, red-emitting carbon dots (RCDs) with excellent optical properties, salt tolerance, photobleaching resistance, long-term storage stability, biocompatibility were synthesized via a one-step strategy at room temperature. The RCDs demonstrated sensitivity detecting content was found be 0.060% 0.15%, respectively. Collectively, this research expanded potential applications nanomaterials introduced facile analyzing isotopic purity D2O.

Language: Английский

Molecular Simulation and Experimental Study on Adsorptive Separation of the Ar/He Gas Mixture by Two Metal–Organic Frameworks at Room and Lower Temperatures DOI
Shiti Cui,

Jiasi Zhao,

Hongbo Xu

et al.

Langmuir, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 26, 2025

This study combines molecular simulation and experimental methods to investigate the adsorptive separation performance of two metal–organic frameworks (MOFs), ZIF-67 MIL-53(Al), for Ar/He mixed gases. Experimental adsorption isotherm data were obtained at temperatures 298, 200, 150 K both Ar He single-component adsorbates. The ideal adsorbed solution theory (IAST) grand canonical Monte Carlo (GCMC) simulations calculated selectivity coefficients different temperatures. Breakthrough experiments analyzed MOFs with varying feed ratios K. Additionally, assessed isosteric heat adsorption, energy distribution, binding energy, providing insights into competitive mechanisms. Results showed that MIL-53(Al) preferentially adsorb Ar, lower significantly enhancing performance. preference is linked differences in between adsorbent sites gas molecules. tests confirmed are effective or higher concentrations improving extraction from mixture.

Language: Английский

Citations

0
Highly Facile Strategy for the Ultrasensitive Differentiation of D2O and H2O by Red-Emitting Carbon Dots DOI
Yangxia Han, Haixia Zhang, Yan‐Ping Shi

et al.

Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: April 2, 2025

Distinguishing between D2O and H2O is crucial for the utilization of high-purity in nuclear industry, chemical analysis, biological pathway tracing, other fields, as well ensuring integrity water quality safeguarding human health, but challenging due to their highly analogous physical properties. On basis fact that exhibits superior hydrogen bond strength deprotonation capacity phenolic OH group compared H2O, red-emitting carbon dots (RCDs) with excellent optical properties, salt tolerance, photobleaching resistance, long-term storage stability, biocompatibility were synthesized via a one-step strategy at room temperature. The RCDs demonstrated sensitivity detecting content was found be 0.060% 0.15%, respectively. Collectively, this research expanded potential applications nanomaterials introduced facile analyzing isotopic purity D2O.

Language: Английский

Citations

0