RSC Advances
Kinetics & dynamics articles published in the last
6 months
Thermally modified nanocrystalline snail shell adsorbent for methylene blue sequestration: equilibrium, kinetic, thermodynamic, artificial intelligence, and DFT studies
The quest for an efficient and sustainable adsorbent material that can effectively remove harmful and hazardous dyes from industrial effluent has become more intense. Thermally modified nanocrystalline snail shell is a new biosorbent for removing methylene blue dye from contaminated wastewater.
RSC Adv., 2024,14, 12703-12719
https://doi.org/10.1039/D4RA01074D
Mechanism of cationic ring-opening polymerisation of ε-caprolactone using metallocene/borate catalytic systems: a DFT and NCI study on chain initiation, propagation and termination
DFT and NCI studies provide a detailed mechanism of cationic ROP of ε-caprolactone by metallocene/borate catalysts and capture weak interactions at the contacts between the borate counteranions and the cationic species.
RSC Adv., 2024,14, 11715-11727
https://doi.org/10.1039/D4RA01178C
An investigation using DFT into the impact of hydrogen on oxygen migration processes during aluminum anodization
The H atoms reduce the energy barrier for O entering the crystal of aluminum, from 1.52 eV to 0.78 eV. The introduction of a H atom affects the diffusion of the O atom in the crystal of aluminum, from 1.23 eV to 0.34 eV.
RSC Adv., 2024,14, 11668-11675
https://doi.org/10.1039/D3RA08693C
Exploring the thermal decomposition and detonation mechanisms of 2,4-dinitroanisole by TG-FTIR-MS and molecular simulations
Investigating the thermal decomposition and detonation mechanisms of DNAN by combining TG-FTIR-MS with DFT and ReaxFF MD.
RSC Adv., 2024,14, 11429-11442
https://doi.org/10.1039/D4RA00860J
Medium-temperature calcination and acid pressure leaching extract the Al2O3 from coal gangue: activation mechanism and kinetic analysis
Bauxite is an important strategic resource, and it is facing with the problem of balance between high demand of bauxite ore and low resource of bauxite reserves in China.
RSC Adv., 2024,14, 11266-11275
https://doi.org/10.1039/D3RA08901K
Hydrogenation of cyclohexene over single-atom Pt or Pd incorporated porous ceria nanoparticles under solvent-free conditions
Single-atom Pt or Pd incorporated porous CeO2 nanoparticles was prepared through one-step flash-combustion technique. The prepared catalysts exhibited high activity in the hydrogenation of cyclohexene under solvent-free conditions.
RSC Adv., 2024,14, 10644-10652
https://doi.org/10.1039/D4RA01432D
Dual mechanisms in hydrogen reduction of copper oxide: surface reaction and subsurface oxygen atom transfer
The surface reaction and subsurface oxygen transfer jointly affect the process of hydrogen reduction of copper oxide.
RSC Adv., 2024,14, 9985-9995
https://doi.org/10.1039/D4RA01240B
Synthesis of Os@ZIF-8 nanocomposites with enhanced peroxidase-like activity for detection of Hg2+
Preparation of Os@ZIF-8 NCs and detection of Hg2+ concentration.
RSC Adv., 2024,14, 9996-10003
https://doi.org/10.1039/D3RA08723A
Dual active pyrimidine-based carbocyclic nucleoside derivatives: synthesis, and in silico and in vitro anti-diabetic and anti-microbial studies
New pyrimidine-based carbocylic nucleoside derivatives with C-4 substitution for inhibiting α-glucosidase as a means of alleviating the effects of diabetes mellitus (DM) and microbial infections.
RSC Adv., 2024,14, 9559-9569
https://doi.org/10.1039/D4RA00304G
Structural, morphological, electrical, and dielectric properties of Na2Cu5(Si2O7)2 for ASSIBs
Solid inorganic electrolyte materials are fundamental components for constructing all-solid-state sodium-ion batteries.
RSC Adv., 2024,14, 9228-9242
https://doi.org/10.1039/D4RA01454E
Synergetic and advanced isotherm investigation for the enhancement influence of zeolitization and β-cyclodextrin hybridization on the retention efficiency of U(VI) ions by diatomite
In synergetic investigations, the adsorption effectiveness of diatomite-based zeolitic structure (ZD) as well as its β-cyclodextrin (CD) hybrids (CD/ZD) towards uranium ions (U(VI)) was evaluated to examine the influence of the transformation procedures.
RSC Adv., 2024,14, 8752-8768
https://doi.org/10.1039/D3RA08709C
QSAR models for the ozonation of diverse volatile organic compounds at different temperatures
This study aims to develop reliable QSAR models for 149 VOCs across a broad temperature range. The models were constructed based on the combination of SMILES and temperature as an experimental condition, namely as quasi-SMILES.
RSC Adv., 2024,14, 8041-8052
https://doi.org/10.1039/D3RA08805G
Synthesis, biological activities, and evaluation molecular docking-dynamics studies of new phenylisoxazole quinoxalin-2-amine hybrids as potential α-amylase and α-glucosidase inhibitors
New phenylisoxazole quinoxalin-2-amine hybrids 5a–i were successfully synthesised with yields of 53–85% and characterised with various spectroscopy methods.
RSC Adv., 2024,14, 7684-7698
https://doi.org/10.1039/D3RA08642A
Kinetic analysis of the crystallization of Y2O3 and La2O3 doped Li2O–Al2O3–SiO2 glass
Study of crystallisation of rare earth oxide doped LAS glass ceramics without doping with conventional nucleating agents.
RSC Adv., 2024,14, 7052-7060
https://doi.org/10.1039/D3RA07239H
Theoretical prediction of nanosizing effects and role of additives in the decomposition of Mg(BH4)2
Nanosizing effects and role of additives in the decomposition of Mg(BH4)2 were studied by DFT modelling. Decomposition is favoured at the nanoscale with respect to the bulk along with a major catalytic effect of Ni compared to Cu.
RSC Adv., 2024,14, 6398-6409
https://doi.org/10.1039/D3RA08710G
Theoretical insight of reactive oxygen species scavenging mechanism in lignin waste depolymerization products
Syringol derivatives outperform phenolic antioxidants in non-polar solvents. HT mechanism is the favoured mechanism to scavenge hydroperoxyl radical in substituted syringols. Based on ASM analysis, the hydrogen bond is the key factor in increasing both strain and interaction energy.
RSC Adv., 2024,14, 6310-6323
https://doi.org/10.1039/D3RA08346B
Detailed mechanism study of volatile organic compound decomposition and oxidation removal based on a ReaxFF MD method
Volatile organic compounds (VOCs) are typical air pollutants as well as gaseous wastes that contain energy.
RSC Adv., 2024,14, 5863-5874
https://doi.org/10.1039/D3RA08122B
Evidence for non-Arrhenius behavior of EPDM rubber by combining Arrhenius and time–temperature superposition (TTS) extrapolations
Combine the Arrhenius extrapolation with the time–temperature superposition (TTS) extrapolation, a method to prove the non-Arrhenius behavior of rubber material is provided.
RSC Adv., 2024,14, 5216-5221
https://doi.org/10.1039/D3RA07159F
Preparation of Fe3O4@CSAC catalyst and its degradation performance and heat release mechanisms in sewage degradation
To investigate the exothermic characteristics of a heterogeneous Fenton system during the degradation of organic sewage and provide technical support for energy recovery in sewage treatment, the catalyst Fe3O4@CSAC (coconut shell-activated carbon) was prepared.
RSC Adv., 2024,14, 5132-5141
https://doi.org/10.1039/D4RA00080C
Exploring borderline SN1–SN2 mechanisms: the role of explicit solvation protocols in the DFT investigation of isopropyl chloride
We explored borderline SNX reactions quantum-chemically, revealing a preferred dissociative-SN2 pathway controlled by solute–solvent interactions through various solvation models.
RSC Adv., 2024,14, 4692-4701
https://doi.org/10.1039/D4RA00066H
Design of N–N ylide bond-based high energy density materials: a theoretical survey
Our work, for the first time, describes the possibility of designing structures with a fourth type of homonuclear N–N bond (besides >NN<, –NN–, and NN) to serve as energetic materials.
RSC Adv., 2024,14, 4456-4460
https://doi.org/10.1039/D3RA08799A
Quantification of crystallinity during indomethacin crystalline transformation from α- to γ-polymorphic forms and of the thermodynamic contribution to dissolution in aqueous buffer and solutions of solubilizer
The thermodynamic properties and dissolution of indomethacin (INM) were analyzed as models for poorly water-soluble drugs.
RSC Adv., 2024,14, 4129-4141
https://doi.org/10.1039/D3RA08481G
Alkylimidazolium-based ionic liquids with tailored anions and cations for CO2 capture
The effect of different cations and anions in alkylimidazolium-based ionic liquids on CO2 solubility was investigated systematically.
RSC Adv., 2024,14, 3985-3995
https://doi.org/10.1039/D3RA08335G
Effective retention of cesium ions from aqueous environment using morphologically modified kaolinite nanostructures: experimental and theoretical studies
Kaolinite can undergo a controlled morphological modification process into exfoliated nanosilicate sheets (EXK) and silicate nanotubes (KNTs).
RSC Adv., 2024,14, 3104-3121
https://doi.org/10.1039/D3RA08490F
An integrated experimental and theoretical approach to probe Cr(VI) uptake using decorated halloysite nanotubes for efficient water treatment
Halloysite nanotubes (HNTs) were surface functionalized using four distinct chemical moieties (amidoxime, hydrazone, ethylenediamine (EDA), and diethylenetriamine (DETA)), producing modified HNTs (H1–H4) capable of binding with Cr(VI) ions.
RSC Adv., 2024,14, 2947-2960
https://doi.org/10.1039/D3RA07675J
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