ACS Applied Materials & Interfaces最新文献

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Lightweight Ambient-Dried Biobased Aerogels with Superior Fire Safety and Mechanical Durability for Thermal Insulation 轻质环境干燥生物基气凝胶,具有优异的防火安全性和保温机械耐久性
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-06-01 DOI: 10.1021/acsami.5c06251
Zi-Chen Peng, Fu-Rong Zeng, Wen-Xiong Li, Shi-Qiang Chen, Zhi-Wei Zeng, Bo-Wen Liu, Bo Wu, Yu-Zhong Wang, Hai-Bo Zhao
{"title":"Lightweight Ambient-Dried Biobased Aerogels with Superior Fire Safety and Mechanical Durability for Thermal Insulation","authors":"Zi-Chen Peng, Fu-Rong Zeng, Wen-Xiong Li, Shi-Qiang Chen, Zhi-Wei Zeng, Bo-Wen Liu, Bo Wu, Yu-Zhong Wang, Hai-Bo Zhao","doi":"10.1021/acsami.5c06251","DOIUrl":"https://doi.org/10.1021/acsami.5c06251","url":null,"abstract":"Biobased aerogels have emerged as promising thermal-insulation materials, offering a sustainable solution to mitigate global energy consumption. However, achieving aerogels with high environmental adaptability that combine thermal resistance, reliable fire safety, structural and mechanical durability, and energy-efficient fabrication processes remains a significant challenge. Herein, a low-carbon thermal-insulation aerogel is developed by integrating a synergistic carbonization design with green ambient drying techniques. Unlike traditional complex freeze-drying or hazardous solvent exchange methods, the strategic combination of thermoresponsive gel fixation and mechanical-assisted air templates enables the transformation of water-based foamy hydrogels into porous aerogels via a green ambient drying process, in which gellan gum and melamine-formaldehyde resin serve as carbonizable interpenetrating matrices, while boric acid acts as a catalytic carbonization/hybridization agent and participates in molecular cross-linking. The as-developed aerogel exhibits an impressive ability to provide comprehensive protection in various environments, combining rapid self-extinguishment (LOI = 50%), low heat/smoke hazard (30 kW/m<sup>2</sup>/1.6 m<sup>2</sup>), excellent fire resistance (blocking 75.5% heat of 1300 °C flame), and structural/mechanical durability (93%) in harsh environments (e.g., hot water, strong acids/alkalis, various chemicals) when featuring lightweight (43 mg/cm<sup>3</sup>), surpassing previous biobased aerogels. This work provides a straightforward and integrated approach to create high-performance aerogels, showing great commercial potential for massive applications in sustainable energy-efficient buildings.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"9 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144189020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Upcycling of Waste Cotton Fabrics into High-Value Porous Carbon Spheres for High-Performance Electromagnetic Wave Absorption 废棉织物升级改造成高价值多孔碳球的高性能电磁波吸收
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-31 DOI: 10.1021/acsami.5c07678
Xiao-Na Li, Yang-Yang Xie, Shimei Xu, Xiu-Li Wang, Bo Wu, Gang Wu, Yu-Zhong Wang
{"title":"Upcycling of Waste Cotton Fabrics into High-Value Porous Carbon Spheres for High-Performance Electromagnetic Wave Absorption","authors":"Xiao-Na Li, Yang-Yang Xie, Shimei Xu, Xiu-Li Wang, Bo Wu, Gang Wu, Yu-Zhong Wang","doi":"10.1021/acsami.5c07678","DOIUrl":"https://doi.org/10.1021/acsami.5c07678","url":null,"abstract":"With the improvement of the residents’ consumption level, the production of textiles has developed vigorously, bringing about a considerable number of waste cotton fabrics (WCF) that account for about 24% of the total textile waste. Developing carbon materials with regular morphologies is of great significance for achieving high-value applications of WCF. In this study, carbon spheres (CSs) derived from spherical precursors transformed from WCFs were prepared through the hydrothermal method and then the alkali-etching and carbonization method. Additionally, the diameter, pore structure, and graphitization degree of CSs were effectively regulated by adjusting alkali-etching concentration and carbonization temperature. Benefiting from the improved impedance matching and strong dielectric loss, the as-prepared CS exhibited favorable electromagnetic wave absorption performance, with a minimum reflection loss of −42.5 dB and an effective absorption bandwidth of 3.4 GHz at 1.5 mm under an ultralow filler loading of 10 wt %. The radar cross-section simulation results reveal the potential application of the CS in the field of radar stealth. Furthermore, the method can be applied to waste commodity cotton textiles. Their derived CS delivered a very close minimum reflection loss (RL<sub>min</sub>) of −42.4 dB but a wider effective absorption bandwidth (EAB) of 4.32 GHz at the same filler loading and thickness. This work offers a new approach for upcycling WCF and preparing carbon microspheres for energy storage, conversion, and other high-value applications.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"30 6 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144183817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dual-Responsive Fluorescent Sensor for Monitoring ALP and SO2 in Cholestatic Liver Injury Evaluation and Drug Screening 双响应荧光传感器监测ALP和SO2在胆汁淤积性肝损伤评价和药物筛选中的应用
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-31 DOI: 10.1021/acsami.5c06961
Yudi Cheng, Jiao Chen, Wenwen Jiang, Wenqi Li, Zhaohui Wang, Fulin Chen, Xiuying Xie, Jianli Li
{"title":"Dual-Responsive Fluorescent Sensor for Monitoring ALP and SO2 in Cholestatic Liver Injury Evaluation and Drug Screening","authors":"Yudi Cheng, Jiao Chen, Wenwen Jiang, Wenqi Li, Zhaohui Wang, Fulin Chen, Xiuying Xie, Jianli Li","doi":"10.1021/acsami.5c06961","DOIUrl":"https://doi.org/10.1021/acsami.5c06961","url":null,"abstract":"Cholestatic liver injury (CLI) is a pathological condition characterized by impaired bile flow and elevated levels of oxidative stress. Its clinical manifestations are often asymptomatic in the early stage, while prolonged CLI may progress to liver failure without timely intervention. However, current diagnostic and therapeutic approaches for CLI are limited in both effectiveness and availability, highlighting the critical need for reliable diagnostic modalities and innovative therapeutic agents. Given that the alkaline phosphatase (ALP) and sulfur dioxide (SO<sub>2</sub>) serve as pivotal indicators in CLI pathogenesis, here we constructed a dual-responsive fluorescent sensor <b>N–P</b> for detecting ALP and SO<sub>2</sub> with dual-channel signals. This sensor has excellent water solubility, a low limit of detection (LOD = 0.5458 U/L for ALP and 0.1604 μM for SO<sub>2</sub>), and a large Stokes shift (∼170 nm). Moreover, <b>N–P</b> enables real-time visualization of endogenous ALP and SO<sub>2</sub> in living cells and zebrafish. Significantly, <b>N–P</b> serves as a robust platform for the visual screening of potential CLI therapeutic drugs and ALP/SO<sub>2</sub> activators/inhibitors, as well as for the early diagnosis of CLI. This work presents a versatile fluorescent sensor for the sequential detection of ALP and SO<sub>2</sub>, thereby contributing to the advancement in pharmaceutical development and diagnostic approaches for CLI.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"45 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144183818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of a Dual-Action Aerogel Film with Enhanced Radiative Cooling and Moisture Permeability through Pore Size Modulation for Human Heat and Humidity Comfort 一种双作用气凝胶膜的设计,通过孔径调节增强辐射冷却和透湿性,使人体热湿舒适
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-31 DOI: 10.1021/acsami.5c01862
Yinan Fan, Jianhua Zhu, Junmei Li, Xiaoyuan Liu, Ping Liu, Xing Jin, Keyi Wang, Lifang Liu
{"title":"Design of a Dual-Action Aerogel Film with Enhanced Radiative Cooling and Moisture Permeability through Pore Size Modulation for Human Heat and Humidity Comfort","authors":"Yinan Fan, Jianhua Zhu, Junmei Li, Xiaoyuan Liu, Ping Liu, Xing Jin, Keyi Wang, Lifang Liu","doi":"10.1021/acsami.5c01862","DOIUrl":"https://doi.org/10.1021/acsami.5c01862","url":null,"abstract":"Human thermal management technologies based on radiant cooling can achieve portable, lightweight, long-lasting, and zero-energy cooling. However, in a high-temperature environment, perspiration continues to accumulate and increased humidity reduces the efficiency of radiant cooling, thus affecting human thermal and humidity comfort. Therefore, we developed a radiation-cooled aerogel film with easily tunable pore sizes consisting of cellulose acetate, polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP), and aluminum oxide (Al<sub>2</sub>O<sub>3</sub>), which has excellent optical properties, moisture permeability, and thermal stability. The appropriate pore size distribution and porosity not only enhance the solar reflectivity of the film but also improve its surface wettability. High solar reflectance (<i>R̅</i><sub>solar</sub> = 97.4%) and infrared emissivity (ε̅<sub>IR</sub> = 98.5%) enabled the film to produce subambient cooling of 8.1 °C at an irradiance of 794.1 W/m<sup>2</sup>. Furthermore, even under conditions of high humidity (relative humidity = 90%), the film is expected to achieve a maximum daytime cooling power of 57 W/m<sup>2</sup>. The aerogel film exhibited superior moisture permeability (WVT = 7224 g/m<sup>2</sup>·24 h) compared to commercial cotton fabric. This work has significant applications in the management of human heat and humidity in extreme heat environments.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"2 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144184063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In Situ Templated Synthesis of Sponge-like Zn/Sb Dual-Atom Catalysts for Efficient Oxygen Reduction in Zn-Air Batteries 海绵状锌/锑双原子催化剂的原位模板合成及其在锌空气电池中的高效氧还原作用
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-31 DOI: 10.1021/acsami.5c06207
Xin Wang, Panpan Sun, Yongan Wei, Xiaowei Lv, Xiaohua Sun
{"title":"In Situ Templated Synthesis of Sponge-like Zn/Sb Dual-Atom Catalysts for Efficient Oxygen Reduction in Zn-Air Batteries","authors":"Xin Wang, Panpan Sun, Yongan Wei, Xiaowei Lv, Xiaohua Sun","doi":"10.1021/acsami.5c06207","DOIUrl":"https://doi.org/10.1021/acsami.5c06207","url":null,"abstract":"Developing efficient electrocatalysts that can improve the oxygen reduction reaction (ORR) activity and optimize mass transfer efficiency is crucial for advancing rechargeable Zn-air batteries (ZABs). Herein, we report an in situ template strategy utilizing in situ formed Zn nanoclusters to construct a sponge-like framework with atomically dispersed dual-atom Zn/Sb sites (Zn/Sb-NC-g). The sponge-like structure with well-defined mesopores (2–5 nm) enhances both the mass transport of oxygen intermediates and the exposure of Zn/Sb-N<sub><i>x</i></sub> active sites, thereby optimizing ORR kinetics. Systematic X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectroscopy (XPS) analyses confirm the atomic-level dispersion of Zn/Sb atoms and their electronic interactions, which promote intrinsic ORR activity. The Zn/Sb-NC-g catalyst demonstrates superior ORR activity (with a half-wave potential reaching 0.905 V versus reversible hydrogen electrode), accelerated ORR kinetics, and excellent mass-transport property, which is significantly superior to its microporous and Zn single-atom counterparts. When assembled into ZABs, the catalyst delivers remarkable peak power densities up to 209 and 426 mW cm<sup>–2</sup> in aqueous and flexible batteries, respectively, with favorable cycling stability for over 1000 h at 10 mA cm<sup>–2</sup>. Such a synthetic strategy for constructing sponge-like porous structure with dual-atom Zn/Sb sites offers an effective approach to develop highly efficient electrocatalysts for Zn-air batteries.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"1 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144184088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interfacial Stabilization of Green and Food-Safe Emulsions through Complexation of Tannic Acid and Nanochitins 单宁酸与纳米几丁质络合对绿色食品安全乳剂界面的稳定作用
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-31 DOI: 10.1021/acsami.5c00132
Qian Wu, Chen Zhou, Mengyao Niu, Jiaxin Hu, Nianjie Feng, Sameer Mhatre, Yi Lu, Xun Niu, Tianyu Guo, Jingqian Chen, Ran Bi, Orlando J. Rojas
{"title":"Interfacial Stabilization of Green and Food-Safe Emulsions through Complexation of Tannic Acid and Nanochitins","authors":"Qian Wu, Chen Zhou, Mengyao Niu, Jiaxin Hu, Nianjie Feng, Sameer Mhatre, Yi Lu, Xun Niu, Tianyu Guo, Jingqian Chen, Ran Bi, Orlando J. Rojas","doi":"10.1021/acsami.5c00132","DOIUrl":"https://doi.org/10.1021/acsami.5c00132","url":null,"abstract":"Nanochitins exhibit unique structural attributes that confer distinct physical properties to multiphase systems. Amphiphilic tannic acid (TA) serves as an excellent candidate for interfacial modification via electrostatic adsorption and complexation with nanochitin. In this study, we developed green and food-safe strategies to enhance the stabilizing and functional performance of complexes formed through the coassembly of chitin nanofibers (ChNF) and TA. Their interactions were systematically investigated using spectroscopy, rheological measurements, and molecular simulations, all confirming strong interfacial binding primarily through hydrogen bonding. X-ray diffraction analysis further revealed TA-induced changes in ChNF crystallinity. The resulting ChNF–TA complexes effectively stabilized high internal phase Pickering emulsions (HIPPEs), which exhibited long-term stability and were successfully applied in direct ink writing. The exceptional stability of the HIPPEs was attributed to the synergistic effects of electrostatic charge neutralization and interfacial tension reduction. Quartz crystal microgravimetry demonstrated rapid complexation, with TA binding to ChNF thin films at a level of approximately 450 ng/cm<sup>2</sup>. The resulting HIPPEs remained stable for at least two months and readily formed cryogels upon freeze-drying. Owing to their enhanced stability and viscoelastic properties, HIPPEs stabilized with ChNF–TA complexes offer a promising platform for the development of sustainable emulsions, with the potential for customization in personalized food and related fields.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"3 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144189019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Durable Lubricant-Infused Surfaces with Hierarchical Structures of Submicrometric Reservoirs and Metal-Oxide Nanograss 具有亚微米储层和金属氧化物纳米草分层结构的持久润滑注入表面
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-30 DOI: 10.1021/acsami.5c07367
Joowon Lim, Geonho Lee, Beomsu Kim, Sueng Yoon Lee, Sunbin Yoon, Sukjoon Hong, Junho Oh, Won Chul Lee
{"title":"Durable Lubricant-Infused Surfaces with Hierarchical Structures of Submicrometric Reservoirs and Metal-Oxide Nanograss","authors":"Joowon Lim, Geonho Lee, Beomsu Kim, Sueng Yoon Lee, Sunbin Yoon, Sukjoon Hong, Junho Oh, Won Chul Lee","doi":"10.1021/acsami.5c07367","DOIUrl":"https://doi.org/10.1021/acsami.5c07367","url":null,"abstract":"Lubricant-infused surfaces (LISs) offer exceptional slippery and nonwetting properties by utilizing a liquid–liquid interface with a lubricant layer trapped in rough surface structures. The performance of LISs relies on maintaining a durable layer of lubricant on the surface, and hierarchical surfaces composed of micrometer-scale voids and nanometer-scale rough structures were generally expected as a solution to enhance lubricant storage and distribution. However, the previous hierarchical surfaces mainly failed to achieve the expected performance of lubricant retention due to the significant size discrepancy between the dimensions of the micrometric substrate patterns and the additive nanostructures. In this work, we present a refined design for hierarchical nanoporous surfaces, featuring similarly scaled submicrometric reservoirs (∼300 nm) and nanometric grass-like structures, to enhance the retention and redistribution of the infused lubricant. The reservoirs are fabricated using self-assembled patterns of anodic aluminum oxide (AAO) and the grass-like nanostructures are formed by chemical oxidation of copper, thus showing facile fabrication steps without complex nanofabrication techniques. The hierarchical surface exhibits up to a 300% increase in lubricant retention performance under droplet shearing drainage conditions compared to reference samples and additionally demonstrates passive refilling of the lubricant layer in previously drained regions. Furthermore, the structural integrity of the surface structures and stable retention of the infused lubricant are confirmed under high inertial forces and repeated experiments. The increased lubricant retention performance and structural durability demonstrated by the fabricated surface offer promising alternatives for developing LIS with enhanced durability and functionality.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"31 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144184107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrafast Synthesis of SnTe Thermoelectric Materials with Intrinsic Constituent Fluctuation. 具有本征成分涨落的SnTe热电材料的超快合成。
IF 8.3 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-30 DOI: 10.1021/acsami.5c04119
Xiong Yang, Linlin Li, Yan Liu, Zhenlin Zhang, Xiaoming Hu, Lidong Xu, Hui Chen
{"title":"Ultrafast Synthesis of SnTe Thermoelectric Materials with Intrinsic Constituent Fluctuation.","authors":"Xiong Yang, Linlin Li, Yan Liu, Zhenlin Zhang, Xiaoming Hu, Lidong Xu, Hui Chen","doi":"10.1021/acsami.5c04119","DOIUrl":"https://doi.org/10.1021/acsami.5c04119","url":null,"abstract":"<p><p>Traditional methods for preparing SnTe thermoelectric materials, such as melting and powder metallurgy, are time- and energy consuming, limiting their large-scale industrial applications. In this study, high-quality SnTe compounds were prepared using levitation melting combined with spark plasma sintering, reducing the synthesis time from several days to a few minutes. The as-sintered SnTe samples exhibited large intrinsic compositional fluctuation, resulting in a thermoelectric figure of merit (<i>ZT</i>) value of up to 0.6 at 873 K, comparable to the best-reported results for undoped SnTe compounds. Further, the Sn vacancies were unstable in SnTe, especially when their content exceeded 0.03, and should be avoided in the matrix. Subsequently, by Sb substitution, the <i>ZT</i> value of the Sn<sub>0.85</sub>Sb<sub>0.15</sub>Te sample increased to 1.13 at 873 K, showing good modulation compared to that of a sample prepared by traditional methods. The widespread application of this method would aid commercialization and broaden prospects for the environmentally friendly mass production of SnTe-based thermoelectric materials.</p>","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":" ","pages":""},"PeriodicalIF":8.3,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144179553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Wettability Gradient Synergistic Bionic Wedge-Shaped Track for Ultrafast and Long-Distance Spontaneous Transport of Droplets. 一种用于液滴超快长距离自发传输的润湿性梯度协同仿生楔形轨道。
IF 8.3 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-30 DOI: 10.1021/acsami.5c04434
Xinghai Zhong, Jionghong Liang, Zhouyang Wei, Xiwang Jiang, Jiangwen Liu
{"title":"A Wettability Gradient Synergistic Bionic Wedge-Shaped Track for Ultrafast and Long-Distance Spontaneous Transport of Droplets.","authors":"Xinghai Zhong, Jionghong Liang, Zhouyang Wei, Xiwang Jiang, Jiangwen Liu","doi":"10.1021/acsami.5c04434","DOIUrl":"https://doi.org/10.1021/acsami.5c04434","url":null,"abstract":"<p><p>The passive surface is widely considered to be an ideal platform for self-transport of liquid due to the advantage of no external energy input. However, the short-distance and low-speed transportation of liquid caused by an insufficient driving force limit its practical application. To address the aforementioned challenges, we developed a bionic wedge-shaped track on the copper (Cu) substrate inspired by the cone-shaped thorn of cactus for liquid spontaneous transport. Furthermore, a wettability gradient (water contact angle from 154.6° to 84.9°) was prepared on the wedge-shaped track to enhance the droplet motion. Under the synergistic effect of the Laplace force and wettability gradient force, the average speed of the whole movement process of the water droplet can reach 225.2 mm/s, which was much higher than those reported in previous studies, the transportation distance exceeded 25 mm, and the track need not be wetted in advance. In addition, the effect of the apex angle of the wettability gradient wedge-shaped track (WGWT) on the droplet self-transport performance was systematically investigated; the results indicated that the transport distance and speed of the water droplet decreased with the increase of the apex angle of the WGWT. The unit length of each unit was reasonably designed according to the spreading length of 10 μL water droplets in different wettability units. In addition, the WGWT exhibited excellent fog collection performance with a water collection efficiency up to 2507.10 mg/(cm<sup>2</sup>·h). Additionally, it showed effective self-transport capabilities in the transport experiment with a blood droplet, achieving a transport distance of 25 mm and an average speed of 14.2 mm/s. These results highlighted the significant potential of WGWT for applications in microfluidics, water collection, and biological detection.</p>","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":" ","pages":""},"PeriodicalIF":8.3,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144179839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Versatile Organic Electrochemical Transistors with Self-Assembled Coronene Nanofiber Arrays for the Isolation and Detection of Circulating Tumor Cells and Enhanced Secretion of Extracellular Vesicles 自组装冠烯纳米纤维阵列的多功能有机电化学晶体管用于分离和检测循环肿瘤细胞和增强细胞外囊泡的分泌
IF 9.5 2区 材料科学
ACS Applied Materials & Interfaces Pub Date : 2025-05-30 DOI: 10.1021/acsami.5c05442
Edgar Daniel Quiñones, Jiashing Yu, Rou-Zhen Liu, Yi-Shiuan Li, Yu-Chuan Lu, Yu-Sheng Hsiao
{"title":"Versatile Organic Electrochemical Transistors with Self-Assembled Coronene Nanofiber Arrays for the Isolation and Detection of Circulating Tumor Cells and Enhanced Secretion of Extracellular Vesicles","authors":"Edgar Daniel Quiñones, Jiashing Yu, Rou-Zhen Liu, Yi-Shiuan Li, Yu-Chuan Lu, Yu-Sheng Hsiao","doi":"10.1021/acsami.5c05442","DOIUrl":"https://doi.org/10.1021/acsami.5c05442","url":null,"abstract":"The integration of organic bioelectronic interfaces has opened new avenues for merging biological systems with electronics, offering transformative solutions to challenges in both fields. In this study, we present a novel hybrid organic electrochemical transistor (OECT) featuring self-assembled three-dimensional (3D) nanofiber arrays (NFAs) of small-molecule semiconductors grown on poly(3,4-ethylenedioxythiophene):polystyrenesulfonate active-layer channels. The hybrid OECT was further evaluated for its potential to capture, recover, and biosense circulating tumor cells (CTCs), as well as to enhance extracellular vesicle (EV) secretion through electrical stimulation (ES). Using template-free self-assembly via standard thermal evaporation, out-of-plane coronene (CR)-based NFAs were fabricated and surface-engineered with 1-pyrenebutyric acid through π–π interactions, enabling bioaffinity coatings on OECTs for advanced biological applications. The device demonstrated efficient CTC isolation, achieving an isolation rate exceeding 90% for MCF-7 breast cancer cells spiked into THP-1 monocytic cells (10<sup>6</sup> cells mL<sup>–1</sup>), with minimal nonspecific binding by incorporating a specific antibody-coated CR-based NFA layer. Moreover, over 80% of the captured CTCs were released from CR-based NFAs during cyclic voltammetry sweeps in phosphate-buffered saline. The device also enhanced EV secretion by incorporating a collagen-coated CR-based NFA layer, which supported cell attachment and proliferation under sustained ES at 20 V, 0.5 Hz, with 5 ms pulses for 24–72 h periods. EV production increased by approximately 12.4-fold in MCF-7 cells and 8.0-fold in immortalized bone marrow stromal cells without significantly altering the EV size or requiring additional cellular modifications. This dual-functionality platform, enabled by a surface-engineered 3D-hybrid OECT, is a powerful tool for selective CTC isolation, liquid biopsy purification, and enhanced EV production. This versatility highlights the potential of this approach for advanced bioelectronic applications and paves the way for innovations in diagnostics and therapeutic research.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"41 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144184069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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