chemistry papers | Gist.Science

Soil volatile organic compound fingerprint breadth tracks toxic-metal contamination at urban illegal dumping sites: a screening tool for prioritization in Jackson, Mississippi

This study demonstrates that analyzing soil volatile organic compound fingerprint breadth using portable gas chromatography serves as an effective screening tool for prioritizing illegal dumping sites in Jackson, Mississippi, as this metric correlates significantly with toxic-metal contamination levels, particularly arsenic, in ways that visual inspection and traditional metal indices cannot capture.

Cristina Nica, Sai Venkat Mandalapu, Kelsey Mathews, Craig Klevan, Erica D. Walker2026-09-07

📄 chemistry

Modification of PVB solid-state electrolyte membrane and study on the performance of laminated glass devices

This study presents a modified PVB/PMMA-based solid-state electrolyte film with enhanced hydrophobicity and ionic conductivity, which was successfully utilized to fabricate a high-performance electrochromic laminated safety glass device featuring rapid response times, a 72% optical contrast ratio, and excellent thermal stability.

Chaoqiong Jiang, Di Rong, Yan Wang, Keqiong Pan, Xiaohong Shang, Zaiqian Yu, Shiwei Wang2026-09-07

📄 chemistry

Hydrolysis Lignin Thermal Treartment in a Laboratory Fixed Bed Reactor

This study characterizes the thermal treatment of Russian hydrolysis lignin in a laboratory fixed bed reactor, identifying 400–500°C as the optimal temperature range for maximizing mass loss and volatile product diversity while significantly increasing the energy density of the resulting solid residue.

Pavel Alekseev, Dmitri Kuchin, Mikhail Ivanov, Pavel Maryandyshev2026-09-07

📄 chemistry

Physicochemical Characterization of Optimized Pyrolysis-Derived Orange Peel Activated Carbon Modified with a DBU-Based Ionic Liquid

This study optimizes the pyrolysis of orange peel waste to produce activated carbon, which is subsequently modified with a DBU-based protic ionic liquid to create a thermally stable, high-surface-area bioadsorbent with enhanced potential for CO₂ and H₂S removal in biogas purification.

Hilman Ibnu Mahdi, Luis A. Follegatti-Romero2026-09-07

📄 chemistry

Multiple Anion-Coordinated Assemblies Based on a C₂-Symmetric Stilbene-Hydrazone- Urea Ligand: Structural Transformations, Guest Encapsulation, and Photo-Responsive Behavior

This study reports a C₂-symmetric stilbene-hydrazone-urea ligand that forms anion-directed supramolecular assemblies with distinct geometries, enabling phosphate-triggered guest release and photo-induced disassembly via concurrent E/Z isomerization of both C=C and C=N bonds.

Jinhua Qiao2026-09-07

📄 chemistry

Synergistic Nano-Architectures: How Date Seed Phytochemicals and Cellulose Matrices Template Silver Nanoparticles for Multifunctional Therapy

This study demonstrates the eco-friendly synthesis of a multifunctional silver nanocomposite using date seed extract and methyl cellulose, which exhibits potent antimicrobial, antioxidant, antidiabetic, and neuroprotective activities, validating its potential as a sustainable nanotherapeutic platform for advanced biomedical applications.

Manal El-Sheikh, Razan Al-ruwaili, Asmaa Al-Maduh, Suha Al-Beladi2026-09-07

📄 chemistry

Molecularly Bridged Gradient Interphases via Hyperbranched-Polyamide- Functionalized Porous CNT Networks in Glass-Fiber/Epoxy Composites

This study presents a scalable strategy for enhancing glass-fiber/epoxy composites by constructing a porous CNT network functionalized with hyperbranched polyamide to create a chemically coupled, gradient interphase that effectively bridges the modulus mismatch, thereby significantly improving interfacial strength, damage tolerance, and overall mechanical performance.

Li Meng, Hechuan MA, Yixin Han, Yijie Wang, Haiqi CHEN, Junjie XUE, Yaozu Hui, wenqian WANG, Jie Zhang, Xiaoming Chen, P (…)2026-09-07

📄 chemistry

Green Synthesized Gold Nanoparticles Using Olive Leaf Extract as an Electrochemical Sensor for Paracetamol and Aspirin in Pharmaceutical and Biological Samples

This study demonstrates the development of a sustainable electrochemical sensor using green-synthesized gold nanoparticles derived from olive leaf extract for the sensitive, selective, and simultaneous detection of paracetamol and aspirin in pharmaceutical and biological samples, achieving performance comparable to HPLC with superior environmental sustainability.

Nabil A. Alhemiary, Abdallah D. Al-Shehri2026-09-07

📄 chemistry

An improved synthetic strategy for the multigram-scale synthesis of the PLK1 inhibitor plogosertib

This paper presents an optimized, chromatography-free, convergent synthetic route for the multigram-scale production of the PLK1 inhibitor plogosertib, achieving a 42.4% overall yield and 99.9% purity through improved reaction conditions and purification strategies that eliminate the need for column chromatography and pressurized hydrogenation.

Yue Wu, Jiuyu Liu, Jiadong Liu, Hang Zuo, Le Ren, Yunlei Hou, Yanfang Zhao2026-09-07

📄 chemistry

Green synthesis and characterization of iron oxide/hydroxyapatite nanocomposite for biomedical applications

This study demonstrates the green synthesis of a biocompatible, superparamagnetic iron oxide/hydroxyapatite nanocomposite using noni fruit and cuttlefish bone, which exhibits significant antimicrobial activity against various pathogens and cytotoxic effects against MCF-7 breast cancer cells with low hemolysis, highlighting its potential as a multipurpose material for biomedical applications.

A. Alvin Kalicharan2026-09-07

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