chemistry papers | Gist.Science

A Novel Mineral-Inspired Mixed Oxide-Sulphate Framework (Na2Cu3(SO4)3O) Synthesised By A High-Temperature Phase Transformation Route For Electrocatalytic Water Splitting And Supercapacitance Applications

This study reports the high-temperature synthesis of a novel low-cost mineral-inspired Na2Cu3(SO4)3O mixed oxide-sulphate framework that demonstrates exceptional electrocatalytic activity for hydrogen evolution (with an overpotential of 145 mV) and high-performance supercapacitance (692 F g⁻¹), positioning it as a versatile material for sustainable energy applications.

Anisha Guha, Aditya Kumar Prajapati, Samika Anand, Kalathiparambil Rajendra Pai Sunajadevi, Shashi Kumar D, Nobi K Danie (…)2026-08-06

📄 chemistry

Sequential Surface Engineering of Hydrothermally Synthesized Hafnium Oxide Nanoparticles through Silica Coating and APTMS Functionalization: Physicochemical Characterization

This study reports the successful hydrothermal synthesis of hafnium oxide nanoparticles followed by sequential silica coating and APTMS functionalization to create a stable, amine-modified surface platform for molecular interactions, as validated by comprehensive physicochemical characterization and drug loading/release studies using doxorubicin.

Farheen Nusrat2026-08-06

📄 chemistry

Dynamic-Static Coordination-Crosslinked Hybrid Polyimides with Ultrahigh Thermal Stability and Closed-Loop Recyclability

This study reports a dynamic-static coordination-crosslinked hybrid polyimide that achieves record-high thermal stability and mechanical performance while maintaining closed-loop recyclability through thermally triggered bond exchange and competitive ligand dissociation.

Rui Shang, Peiyan Zhang, Di Wu, Xiuting Li, Xin Zhao, Jie Dong, Qinghua Zhang2026-08-06

📄 chemistry

Confinement of Pd⁰ in Fluorinated UiO-66 for Hydrogen-Activated Sludge-Minimized Fenton Oxidation

This study demonstrates that a fluorinated UiO-66-supported palladium catalyst (Pd@UiO-66(Zr)-F4) enables efficient, hydrogen-activated Fenton oxidation for degrading carbamazepine under ambient conditions by facilitating Fe(II) regeneration and dual reactive species generation, though its performance gradually declines due to structural damage from hydrogen spillover.

Wenshuai Fu, Xiaoji Zhou, Lei Xie, Xin Liu, Zixia Lin, HaiLiang Yang, Feiyue Qian, Sanjian Ma, Juanhong Li, Jianhua Wu (…)2026-08-05

📄 chemistry

Research on Low-Temperature Regeneration Process of Waste Foundry Clay Sand Based on Catalytic Oxidation

This paper proposes and validates a novel low-temperature, rapid reclamation method for waste foundry clay sand using potassium nitrate as a catalytic oxidant, which significantly reduces energy consumption and processing time while restoring the sand's properties to meet the stringent requirements for cold-box core making.

Shengli Hu, Hui Ge, Shaohua Wu, Xiaolong Gong2026-08-05

📄 chemistry

Hydrogen Peroxide Modified Acetylene Black Improves Desalination of Circulating Water

This study demonstrates that modifying acetylene black with hydrogen peroxide to enhance its hydrophilicity and reduce agglomeration significantly improves the salt removal efficiency and energy utilization of flow-electrode capacitive deionization systems for treating saline power plant circulating water.

Yan He, LuYao Chen, Qiang Xie, pengwei Yang, HongTao Zhu, BaoHui Li, Shuangchen Ma2026-08-05

📄 chemistry

Preparation and Performance Evaluation of Degradable IPN-PAM/STA Interpenetrating Network Microspheres for In-Depth Profile Control

This study successfully developed eco-friendly, biodegradable interpenetrating network microspheres (IPN-PAM/STA) using polyacrylamide and acid-modified starch via reverse emulsion polymerization, which exhibit superior thermal, salinity, and shear resistance alongside controllable swelling and over 90% biodegradability, achieving a 96.3% plugging efficiency for enhanced in-depth reservoir profile control.

Guangliang Jia, Guiru Liu, Daoming Zheng, Yunchao Cheng, Xin Wen2026-08-05

📄 chemistry

Ring Conformational Energetics for Rhamnogalacturonan-II Monosaccharides: Implications for Structural Dynamics of Complex Carbohydrates

This study utilizes quantum mechanical calculations, molecular dynamics simulations, and NMR measurements to map the ring conformational energetics of Rhamnogalacturonan-II monosaccharides, revealing how exocyclic substituents and ring pucker interconversions dictate the structural dynamics and spectroscopic signatures of this complex plant polysaccharide.

Vivek Bharadwaj, Sean Brooks, Lintao Bu, Michael Crowley, Deepak Sharma, Breeanna Urbanowicz2026-08-05

📄 chemistry

Unlocking Ghana’s Kaolin Potential: Enhancing the Adsorption Capacity of Kaolin through Acid Activation for Environmentally Friendly Remediation of Used Automotive Oil

This study demonstrates that acid-activated Ghanaian kaolin serves as a cost-effective, high-performance adsorbent for remediating used automotive oil, achieving approximately 80% removal efficiency under optimized conditions through a process that follows Langmuir monolayer adsorption kinetics.

Andrew Nyamful¹, Charles K. Klutse¹˒², Kwarteng Yamoah¹, Anita Asamoah¹˒³, Ebenezer A. Asare³, Wilfred S. Massiasta¹, Ju (…)2026-08-05

📄 chemistry

Chitosan-Intercalated FePS3 as Novel and Efficient Adsorbent for Congo-Red Dye Removal from Aqueous Solution

This study demonstrates that chitosan-intercalated iron phosphorus trisulphide (FePS3-CS) serves as a highly efficient adsorbent for removing Congo red dye from aqueous solutions, achieving 99% removal under optimal conditions and following pseudo-second-order kinetics and the Freundlich isotherm model.

O. I. El-Shafey, Shaymaa E. El-shafey, Amal M. Abdel-karim, Amin A. El-Meligi2026-08-05

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