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Robust and Regular Micronano Binary Texture on the Complex Curved Surface for Enhanced Reendothelialization and Antithrombotic Performance.
ACS Nano
January 2025
Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan 250012, P. R. China.
Blood-contacting medical devices can easily trigger immune responses, leading to thrombosis and hyperblastosis. Constructing microtexture that provides efficient antithrombotic and rapid reendothelialization performance on complex curved surfaces remains a pressing challenge. In this work, we present a robust and regular micronano binary texture on the titanium surface, characterized by exceptional mechanical strength and precisely controlled wettability to achieve excellent hemocompatibility.
View Article and Find Full Text PDFBioinspired 1D Anisotropic Double-Spiral Metal Wires for Efficient Fog Harvesting.
Small
January 2025
Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, P. R. China.
Innovative design strategies of fog harvesting devices (FHDs) demonstrate promising remedy for water crisis in arid areas. 1D FHDs ensure unimpeded wind circulation and can be manufactured more cost-effectively for extensive regions. Inspired by cactus thorns, desert beetles, and spider silk, two metal organic frameworks (MOFs) functionalized Cu wires with opposite wettability are double-twisted by a mechanical twisting machine, forming 1D double-spiral Cu wires with alternating superhydrophobic/superhydrophilic dual-MOF patterns.
View Article and Find Full Text PDFEngineering Wettability Transitions on Laser-Textured Shark Skin-Inspired Surfaces via Chemical Post-Processing Techniques.
Micromachines (Basel)
November 2024
Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan Campus, 170 Kessels Road, Brisbane, QLD 4111, Australia.
Surface wettability, the interaction between a liquid droplet and the surface it contacts, plays a key role in influencing droplet behavior and flow dynamics. There is a growing interest in designing surfaces with tailored wetting properties across diverse applications. Advanced fabrication techniques that create surfaces with unique wettability offer significant innovation potential.
View Article and Find Full Text PDFAdvanced SERS Platform for Uniform and Reliable Molecular Detection.
Anal Chem
December 2024
School of Physics and Electronics, Shandong Normal University, Jinan 250014, China.
Signal uniformity is crucial for reliable and quantifiable surface-enhanced Raman scattering (SERS) measurements. However, challenges arise due to the continuous impact of localized hottest spots and the coffee ring effect on signal uniformity. In response to this, we developed a platform featuring a hierarchical structure with Ag nanopores and microbowls (HANM) and incorporated superhydrophobic/superhydrophilic (SHB/SHL) treatments.
View Article and Find Full Text PDFScalable Preparation of Superdurable, Self-Healing, and Biocompatible Superhydrophobic Poly(ethylene terephthalate) Fabrics.
ACS Appl Mater Interfaces
December 2024
CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.
The chemical inertness of poly(ethylene terephthalate) (PET) fabrics poses challenges in achieving superhydrophobic coatings with durable adhesion on their surfaces. Conventional surface modification methods such as alkali etching and plasma etching typically compromise the favorable mechanical properties of PET. In this study, polydopamine (PDA) was utilized to functionalize the PET fabric nondestructively by creating robust and reactive hydroxyl and amine groups on its surface, which were subsequently used as a binder of superhydrophobic modifiers such as fluorine-free octadecyltrichlorosilane (OTS).
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