📄 chemistry

Overall Performance of Hemicellulose/PLA Blends after Sanitizing and Soil Exposures

This study demonstrates that solvent-molded films composed of polylactic acid (PLA) and hemicellulose, compatibilized with 10 wt% citric acid, achieve an optimal balance of mechanical strength and flexibility while significantly accelerating environmental degradation through increased crystallinity after exposure to water and soil.

Michaella Socorro Bruce Fialho, Linconl Araujo Teixeira, Layse Mendes Diniz, Lays Furtado M. S Kataoka, Sandra Maria Luz2026-06-30
📄 chemistry

Enhancing Spectral Absorption of Organic Dye Sensitizers through ZnSO₄‑Mediated Coordination and Protonation for DSSCs Applications

This study demonstrates that incorporating a ZnSO₄ dual-functional additive enhances the performance of anthocyanin-based dye-sensitized solar cells by utilizing Zn²⁺ coordination and SO₄²⁻-mediated protonation to stabilize the flavylium cation, thereby improving spectral absorption and increasing power conversion efficiency from 0.11% to 0.38%.

A. M. Shahrul, N. D.M. Sin, ZHC Soh, M. H. Mamat, Mj. Jalil, WI Nawawi, R. Radzali, A. Supriyanto, R. Suryana, M. H. Abd (…)2026-06-29
📄 chemistry

Experimental study on foam drainage of AFFF: Additive regulation, thermal transition, and fire-extinguishing verification

This study investigates the synergistic effects of additives and the dual regulatory mechanism of temperature on AFFF foam drainage kinetics to establish a quantitative relationship with fire-extinguishing performance, ultimately enabling the successful design of high-efficiency, eco-friendly foam formulations that meet national standards.

Yun Zhang, Zijie Yin, Yan Zheng, Fangting Tian, Yiming Xu, Zhongqing Liu, Zongheng Chen, Jieqing Zheng, Meiwei Huang, Yo (…)2026-06-29
📄 chemistry

Probabilistic Reliability Assessment of Biochar-Modified Cementitious Composites Using Monte Carlo Simulation

This study employs a Monte Carlo reliability framework to analyze 240 paired compressive-strength records from 30 studies, revealing that while biochar dosages between 2.5% and 5% generally offer the highest reliability, no universal optimum exists due to significant variability driven by matrix design, feedstock, and curing conditions.

Syaiful Osman, Mohd. Nazarudin Zakaria, Siti Hazifah Mokhtar, Rosmamuhamadani Ramli2026-06-29
📄 chemistry

Beyond Graphitization: Synergistic Roles of Coexisting Carbon Nanostructures in Low-Friction a-C Tribofilm

This study reveals that the low-friction state of amorphous carbon films arises from the synergistic effect of coexisting carbon nanostructures, such as graphene scrolls and nanotubes, rather than graphitization alone, with the introduction of scrollable nano-particles proving particularly effective in further reducing the friction coefficient.

Jiajun Zhuang, Zuobang Yuan, Peidong Xue, Cheng Chen2026-06-29
📄 chemistry

CO Oxidation and Oxygen Transport Characteristics of Three-Way Catalyst Microparticles Membrane for Gasoline Particulate Filter

This study investigates how fabrication parameters, specifically firing temperature and precious metal loading, influence the structure and CO oxidation performance of three-way catalyst microparticles for gasoline particulate filters, revealing that while higher metal loading and TWC/GPF integration enhance activity, sintering and short gas-catalyst contact times can increase light-off temperatures, alongside findings that oxygen transport is uniform within ceria-zirconia regions but surface sites play a more dominant role in the purification reaction.

Eugene GATETE, Yuji TOKUMASU, Tsuyoshi NAGASAWA2026-06-29
📄 chemistry

Phytochemical Profiling of Aloe koenenii leaf epidermis by UHPLC-PDA-MS/MS

This study presents the first UHPLC-PDA-MS/MS-based phytochemical profiling of *Aloe koenenii* leaf epidermis, identifying a core set of shared anthrone and chromone metabolites with *Aloe vera* while highlighting species-specific differences that support chemotaxonomic classification and future quality control efforts.

Sven Zalewski, Flávio Alexandre Carvalho, Luis Vitor Silva Sacramento, Caio Humberto Perego, Eduardo José Crevelin, Antô (…)2026-06-29
📄 chemistry

Dissolution process and structural characteristics of residual lignin during soda pulping of sugarcane bagasse at high liquid-to-solid ratio

This study demonstrates that optimizing soda pulping of sugarcane bagasse using a high liquid-to-solid ratio and a new non-wood displacement digester system yields high-quality pulp by significantly degrading syringyl units and cleaving key lignin linkages, thereby facilitating the dissolution of lignin primarily from the compound middle lamella and cell corner middle lamella.

Jiali Pu, Zhaoxia Chen, Xin Wang, Baojie Liu, Chenrong Qin, Shuangquan Yao, Chen Liang2026-06-29
📄 chemistry

An efficient room-temperature H2 production system containing hypophosphite and CuPd/TiO2 catalyst

This study reports a highly efficient, safe, and cost-effective room-temperature hydrogen production system using sodium hypophosphite and a synergistic CuPd/TiO2 catalyst, which achieves 100% conversion within 30 minutes through enhanced metal dispersion and electronic interactions that lower activation energy.

Xing Liu, Jinkun Shi, Lanhua Zhao, Rui Dai, Junhua Li, Hua Lai, Dong Qian2026-06-29