📄 Category

chemistry

1013 papers

📄 chemistry

Franz Diffusion Cell Analysis of Hydrogen Peroxide Transport across Cross- linked Seaweed-Derived Bio-Patches: a model for Reactive Oxygen Species- Responsive Wound Management

This study utilizes Franz diffusion cell analysis to demonstrate that the transport kinetics of hydrogen peroxide across ionic cross-linked seaweed-derived bio-patches can be precisely modulated by adjusting the polymer blend composition and physical thickness, thereby establishing a structure-property framework for designing reactive oxygen species-responsive wound dressings.

Moustafa Hussien Moustafa, Alaa Magdy Attya, Hany A Elkhadary Fellow2026-08-22
📄 chemistry

Mild Aqueous Synthesis of a Cross-linked β-Cyclodextrin Polymer Network for Amorphous Drug Stabilization

This study demonstrates that a novel cross-linked carboxymethyl-β-cyclodextrin polymer synthesized via a mild, green aqueous EDC/NHS-mediated amidation using an 1,8-diaminooctane spacer effectively stabilizes amorphous ibuprofen and significantly enhances its dissolution rate by leveraging the polymer's mesoporous architecture and interfacial interactions to restrict drug molecular mobility.

Xiangting Zeng, Hangtong Li, Li Wang, Pinhua Rao2026-08-22
📄 chemistry

Hybrid enzymatic graft-through and graft-from polymerization of DNA bottlebrush polymers

This paper introduces a fully DNA-based bottlebrush polymer system with precisely defined molecular dimensions, achieved through a hybrid enzymatic strategy combining template-directed graft-through and graft-from polymerization, which enables the study of structure-property relationships and offers potential applications in molecular machines, photonics, and nucleic acid delivery.

Danielle Mai, Michael Burroughs, Lisa Nieman, Lucy Wang2026-08-21✓ Author reviewed ⓘ
📄 chemistry

Swallow Nest-Inspired Asymmetric Transparent Bamboo for All-weather Water Manipulation and Thermal Management

Inspired by swallow nests, researchers developed an asymmetric superhydrophobic transparent bamboo composite with an EP/PDMS/ZnO/MWCNT hybrid network that simultaneously achieves high light transmittance, UV shielding, and all-weather thermal management through synergistic passive and active de-icing mechanisms for resilient agriculture in extreme climates.

Xingong Li, Xishuan Fang, Chengliang Zhou, Ying Wang, Xia Zheng2026-08-21
📄 chemistry

Flow Excursion and Mixing in the Kneading Block Section of Hot- Melt Extrusion Induced by Carrier Density Variation

This study utilizes Computational Fluid Dynamics (CFD) simulations to demonstrate that variations in carrier density significantly influence flow excursion and mixing efficiency within the kneading block zone of hot-melt extruders, offering a theoretical basis to reduce reliance on experimental trial-and-error in selecting carrier materials for poorly soluble APIs.

Qi Shen, Wutong Wu, Huagui Li, Yibiao Chen, Hongming Zhou2026-08-21
📄 chemistry

Color tunability and temperature sensing in transparent Dy3+/Eu3+ co-doped KGd2F7 oxyfluoride glass ceramics

Transparent Dy³⁺/Eu³⁺ co-doped KGd₂F₇ oxyfluoride glass-ceramics were successfully developed to achieve tunable yellow-to-orange-red emission and high-precision optical thermometry through efficient quadrupole–quadrupole energy transfer, making them promising candidates for multicolor displays and temperature sensing applications.

Zhushen Jiang, Huimin Ding, Youjun Cai, Kaikai Ren, Xin Wang, Yuepin Zhang2026-08-21
📄 chemistry

Effects of inactive mineral fillers and fine aggregate on the strength and crack resistance of cementitious immobilization matrices

This study demonstrates that while inactive mineral fillers like ultrafine quartz can enhance compressive strength and leaching resistance in cementitious waste immobilization matrices, the incorporation of fine sand is essential to prevent macroscopic cracking and ensure overall wasteform integrity.

Dong Seok Lim, Sungjune Sohn, Hyun Chul Lee, Jihoon Kang, Woo Young Jung, Min Ho Lee2026-08-21
📄 chemistry

Bryophyte-Inspired Gas Diffusion Electrode Reveals Unex-pected CO Formation Kinetics under Dilute CO2

By developing a bryophyte-inspired gas diffusion electrode that optimizes both macroscopic CO2 transport and microscopic catalytic interfaces, researchers discovered that CO formation kinetics peak at 10% CO2 concentration rather than in pure CO2, enabling 92% single-pass conversion efficiency and revealing interfacial water as the critical kinetic link between dilute CO2 transport and catalytic activity.

Yinlong Zhu, Mingxu Sun, Yuyao Wang, Zheng Tang2026-08-21
📄 chemistry

Evaluation of Colloidal Nanosilica Diffusion for the Recovery of Aged Cementitious Matrices in Hydraulic Structures: Insights from Thermogravimetric Analysis

This study demonstrates that a colloidal nanosilica-based repair product (Elera) effectively restores the calcium silicate hydrate matrix in highly porous aged concrete from hydraulic structures through pozzolanic reactions, though its efficacy is limited in lower-porosity samples, highlighting the need for alternative application methods like injection.

Fausto B. Mendonça, Girum S. Urgessa, Marcela G. Domingues, Bruno T. Rocco, Leopoldo R. Junior, José A. F. F. Rocco2026-08-21