LANGMUIR

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Florian Trummer, Rika Raff, Sylvain Prévost, Thomas Sottmann

Abstract Sustainable biosurfactants, such as rhamnolipids (RL), have been attracting increasing attention because of their enhanced biocompatibility and high biodegradability compared to conventional synthetic surfactants. To enable large-scale application of rhamnolipids, such as cleaning or washing, we studied symmetric, biocompatible microemulsions of the type H2O (KCl brine…

Zhengjin Li, Xiangyi Long, Yawen Wang, Yuwei Zhong et al.

The efficient removal of dispersed water droplets from water-in-oil emulsions remains a major challenge in petrochemical separation. Unlike conventional coalescence based on dipole interactions under alternating electric fields, this work proposes an enhanced DC electrophoretic coalescence strategy combining droplet charge enhancement and electrode surface modification to regul…

Wenjie Qian, Keli Zhang, Qin Xu

Adhesion on soft polymeric materials is crucial for many engineering applications. However, the substantial surface deformations of compliant substrates present challenges for classical contact theory in describing the adhesion behavior. Furthermore, surface contact can drive the migration of free solvent within polymer networks, further complicating the governing physics of so…

Xin Zhang, Yuan Gao, Xinyue Wang, Ziqian Yu et al.

The development of techniques for removing organic pollutants from water is of great practical significance for improving the human living environment. Low-molecular-weight organogelators (LMWOGs) can remove organic pollutants from water through multiple mechanisms. In this work, we report two amino acid-based gelators (CH-1 and CH-2) bearing a cholesteryl group, synthesized th…

Xiaomeng Jia, Kaiyu Dong, Zhe Zheng, Tian Sheng et al.

Nonprecious metal oxygen reduction reaction (ORR) electrocatalysts have garnered increasing attention owing to their extremely low cost compared with Pt-based electrocatalysts. However, realizing the four-electron pathway and developing highly antipoisoning nonprecious metal ORR electrocatalysts are key challenges in practical energy devices. Herein, atomic-level Fe doping was …

Xin Liu, Chengguo Liu, Bo Li, Xiaoxuan Li et al.

Owing to their outstanding thermal resilience and appropriate bandgap, all-inorganic CsPbI2Br perovskites are increasingly recognized as attractive materials for advanced photovoltaic applications. Nevertheless, severe energy dissipation caused by interfacial nonradiative recombination, specially at the buried HTL/perovskite junction and the perovskite/ETL interface, remains a …

Miki Abe, Hiromi Miki, Akari Habuka, Takeshi Yamada et al.

The behavior of the air/water interface in a one-component surfactant system is studied by performing surface tension measurements and analysis based on Gibbs adsorption isotherms. However, this method is inefficient for evaluating the surface composition of surfactant-additive systems, which is important for optimizing the composition of industrial products according to their …

Yifan Wang, Tianhao Wu, Fanxue Zeng, Kaishuang Zhang et al.

Although cellulose-based aerogels possess lightweight and porous advantages, their brittle pore wall structure makes it challenging to simultaneously achieve high electromagnetic shielding performance, excellent mechanical flexibility, and effective thermal management. This study employs an emulsion template method combined with a gravity-induced layering strategy to fabricate …

Alexander V. Petrunin, Susanne Braun, Felix J. Byn, Indré Milvydaité et al.

Ultrasound-induced degradation of soft polymeric colloids, like microgels, as well as a controlled drug release enabled by mechanoresponsive bonds, has recently attracted considerable attention. However, most examples in the literature focus primarily on the applications rather than examining the underlying mechanisms of the structural changes occurring in microgels due to cavi…

Cansu Goktas, Nihal Aydogan

Liquid marbles have attracted a significant amount of attention because of their dynamic programmable nature. In the present study, we propose the conceptualization and implementation of a novel dual-stimulus-responsive liquid marble (LM) platform actuated by near-infrared (NIR) light and magnetic fields and capable of exhibiting controllable locomotion behavior in response to …

Rong Li, Tengyun Zou, Yinxing Zhang, Lifeng Huang et al.

Hexagonal boron nitride (h-BN) is widely used as a thermally conductive filler in methyl vinyl silicone rubber (MVQ), but its surface inertness and poor interfacial compatibility limit further thermal-conductivity enhancement. In this work, a geraniol-derived silane modifier (Ger-IPTMS) was synthesized and grafted onto hydroxylated BN to prepare Ger-BN for MVQ composites. FTIR,…

Fangyu Zhao, Yongqi Pan, Qiangqiang Xue, Junxiang Ma et al.

The surface acidity of solid acids─a key determinant of their catalytic performance─is considered as an intrinsic nature, generally modulated via precursor and synthesis chemistry. Herein, we report a strategy for in situ reactive atmosphere-induced reconstruction of surface acidic sites on γ-Al2O3, enabling a pronounced enhancement of α-olefin selectivity during higher-alcohol…

Xinyue Lai, Qixin Gong, Junxin Xu, Jianmei Yang et al.

Recovering rare earth (RE) ions from mining wastewater offers several advantages, including reducing resource scarcity, minimizing environmental pollution, and lowering biological toxicity hazards. In this study, we synthesized a green adsorbent material, potato starch-derived β-cyclodextrin nanosponges (β-CD@PCPP NSs), via ionic cross-linking of β-cyclodextrin (β-CD), function…

Zhentao Zhao, Tomohiro Hayashi

Saccharide-based materials are essential in bioinspired design, yet their mechanisms for resisting nonspecific protein adsorption while permitting specific binding remain unclear. This study systematically explores the relationship between surface forces and protein adsorption on glucose (Glc), lactose (Lac), and maltose (Mal) self-assembled monolayers (SAMs). Surface-sensitive…

Samira Jafari, Aaron J. Tibbitts, Stanislav Průša, David Slovák et al.

Immersion ellipsometry (IE) was used to simultaneously determine the thicknesses and refractive indices of ultrathin silane films deposited on native oxide-terminated silicon surfaces. Eight structurally distinct silanes, including alkyl, fluorinated, aromatic, and oxygen-containing, were deposited using a liquid-phase sandwich deposition method, producing films with thicknesse…

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Nannan Chen, Qingle Yuan, Qin Liu, Chao Zhang et al.

Single-atom catalysts (SACs) hold great promise for the electrochemical reduction of CO2 to CO; however, the high selectivity is typically restricted within a narrow potential window, limiting their practical implementation. In this study, Ni-N-C catalysts were supported on ordered and disordered carbon nanofiber membranes (denoted as o-NiNC and d-NiNC, respectively) via electr…

Mingshan Han, Jintao Feng, Xi Rong, Yuzhi Ye et al.

Efficient and safe delivery of nucleic acids remains a major challenge for clinical translation of gene therapies. Here, we report de novo-designed α-helical peptides that coassemble with lipids and nucleic acids to form core-shell, virus-like nanoparticles (VLNs). The peptides combine a cationic N-terminus for nucleic acid binding, an anionic C-terminus for lipid coordination,…

Xiaolong Sun, Baohui Yang, Qibin Xia, Xin Zhou et al.

The conversion of low-cost biomass into advanced carbon molecular sieves (CMS) with molecule-recogniting precision is crucial for gas separations but remains challenging: biomass-derived carbon precursors are inherently amorphous, making it extremely difficult to control their pore size distributions at subangstrom scale. Addressing this gap, this study focuses on investigating…