📄 Category

chemistry

1028 papers

📄 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
📄 chemistry

15N-Insertion into indoles and indenes for isotopically pure quinazolines and isoquinolines

This paper reports a photochemical oxidative ring-opening strategy using methylene blue and thermal 15N insertion to convert readily available indoles and indenes into isotopically pure quinazolines and isoquinolines, thereby enabling the synthesis of previously inaccessible labeled drugs and natural products.

Yu Lan, Chunping Dai, Yunlong Qin, Qingling Wu, Yang Zhao, Jianing Zhang, Qingxiao Zhang, Shihan Liu, Qilin Wang2026-08-05
📄 chemistry

Comprehensive Characterization of SLA-Printed SOMOS Watershed XC 11122 and the Effect of UV Post-Curing on Mechanical, Tribological, Spectroscopic and Morphological Properties

This study characterizes SLA-printed SOMOS Watershed XC 11122 resin and demonstrates that while a 10-minute UV post-cure maximizes tensile strength, a 30-minute cure optimizes wear resistance, revealing a non-monotonic relationship between curing time and mechanical or tribological performance.

Swarup Ravichandran, Vaishnavreddy Bande, Siddharth V, Raj Aryan Singh, Mahantesh M Math, Bharatish A, Sivakumar Solaiac (…)2026-08-05
📄 chemistry

Computational Design of Novel CB2 Partial Agonists: Mitigating hERG Toxicity and Stabilizing the Trp258 Microswitch via MPO and Molecular Dynamics

This study presents the computational design and optimization of a novel 1,8-naphthyridin-2(1H)-one-3-carboxamide derivative, CB2-L5, which serves as a safe, peripherally restricted CB2 partial agonist with mitigated hERG toxicity and stabilized Trp258 microswitch interactions, offering a promising scaffold for treating chronic inflammatory pain without central psychotropic effects.

hassan sultani2026-08-05
📄 chemistry

Orthogonally light-gated electron transport in donor-acceptor Stenhouse adduct supramolecular junctions

This study demonstrates orthogonally light-gated control over intermolecular electron transport in donor-acceptor Stenhouse adduct (DASA) supramolecular junctions using specific irradiation wavelengths to selectively assemble, reconfigure, or disrupt π-π stacked pathways, thereby enabling multi-state conductance switching for advanced molecular logic devices.

Dongsheng Wang, Gaolu Zhu, Hanjun Zhang, Yangyang Pan, Xin Zuo, Yu Zhou, Wenshu Liu, Hongyang Zhang, Tianfang Shi, Xinyu (…)2026-08-05
📄 chemistry

Dynamic Light Regulation of Surface CO Coverage Enables Efficient Low-Temperature RWGS on Electron-Rich Pt

This study demonstrates that light irradiation dynamically regulates surface CO coverage on electron-rich Pt-MoO3−x_{3-x} catalysts by inducing interfacial charge redistribution and weakening Pt-CO interactions, thereby mitigating CO poisoning and enabling efficient low-temperature reverse water-gas shift reactions.

Zhaoke Zheng, Guo Qingzheng, Haopeng Ge, Guangyao Zhai, Zeyan Wang, Yuanyuan Liu, Peng Wang, Hefeng Cheng, Ying Dai, Bai (…)2026-08-05
📄 chemistry

Evolved Gas Analysis and Mechanistic Modeling of Thermal Degradation Products from Polytetrafluoroethylene using Thermogravimetric Analysis- Mass Spectrometry (TGA-MS) and Density Functional Theory

This study investigates the thermal degradation of polytetrafluoroethylene (PTFE) by combining experimental thermogravimetric analysis-mass spectrometry (TGA-MS) with density functional theory (DFT) and microkinetic modeling to elucidate reaction mechanisms, quantify kinetic and thermodynamic parameters, and predict gaseous degradation products for improved disposal and remediation strategies.

Benjamin R. Johnson, Aaron D. Ajeti, Justin R. Toole, Nijel J. Rogers, Dairen Jean, Taylor N. Miller, Jacob R. Nauman, E (…)2026-08-05