1
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Kong S, Wei H, Zhang Y, Rao Q. UV-driven self-replenishing liquid-infused surface with promising anti-algal adhesion performance. RSC Adv 2024; 14:28596-28607. [PMID: 39247511 PMCID: PMC11378032 DOI: 10.1039/d4ra04077e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Accepted: 08/25/2024] [Indexed: 09/10/2024] Open
Abstract
Slippery liquid-infused porous surfaces (SLIPSs) inspired by Nepenthes have attracted much attention owing to their potential application in various cutting-edge fields. However, the performance of SLIPSs is impeded by surface damage and lubricant depletion, thereby limiting their further application. Herein, a UV-responsive slippery surface (SMEMG) was fabricated by introducing the UV-responsive functional group coumarin into the polymer side chain through random copolymerization, followed by crosslinking, curing and impregnation with vegetable oil. The self-healing ability and lubricant self-replenishing performance of the SMEMG were investigated. The results show that upon exposure to UV light, the damaged surface substrate can be repaired through a reversible photodimerization reaction between coumarin groups. Meanwhile, the lubricant oil within the bulk of the SMEMG substrate can be extruded to the surface during the photodimerization reaction, facilitating the recovery of surface wettability. The SMEMG exhibited excellent self-cleaning and anti-algal properties as well as durability in a harsh environment, demonstrating its promising application in marine anti-fouling.
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Affiliation(s)
- Shuai Kong
- State Grid Shandong Electric Power Research Institute Jinan 250003 China
- College of Chemical and Biochemical Engineering, Zhejiang University Hangzhou 310027 China
- Shandong Smart Grid Technology Innovation Center Jinan 250002 China
| | - Hao Wei
- School of Life Sciences, Qufu Normal University Qufu 273165 China
| | - Yan Zhang
- State Grid Shandong Electric Power Research Institute Jinan 250003 China
- Shandong Smart Grid Technology Innovation Center Jinan 250002 China
| | - Qingqing Rao
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
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2
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Kazaryan PS, Stamer KS, Kondratenko MS. Pinning Forces on the Omniphobic Dry, Liquid-Infused, and Liquid-Attached Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:17190-17211. [PMID: 39119801 DOI: 10.1021/acs.langmuir.4c01159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Omniphobic coatings effectively repelling water, oils, and other liquids are of great interest and have a broad number of applications including self-cleaning, anti-icing surfaces, biofouling protection, selective filtration, etc. To create such coatings, one should minimize the pinning force that resists droplet motion and causes contact angle hysteresis. The minimization of the free surface energy by means of the chemical modification of the solid surface is not enough to obtain a nonsticky slippery omniphobic surface. One should minimize the contact between the solid and the droplet. Besides coating the surface with flat polymer films, among the major approaches to create omniphobic coatings, one can reveal "lotus effect" textured coatings, slippery liquid-infused porous surfaces (SLIPS), and slippery omniphobic covalently attached liquid (SOCAL) coatings. It is possible to turn one surface type into other by texturizing, impregnating with liquids, or grafting flexible liquid-like polymer chains. There are a number of models describing the pinning force on surfaces, but the transitions between states with different wetting regimes remain poorly understood. At the same time, such studies can significantly broaden existing ideas about the physics of wetting, help to design coatings, and also contribute to the development of generalized models of the pinning force. Here we review the existing pinning force (contact angle hysteresis) models on various omniphobic substrates. Also, we discuss the current studies of the pinning force in the transitions between different wetting regimes.
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Affiliation(s)
- Polina S Kazaryan
- M. V. Lomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1-2, Moscow 119992, Russian Federation
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Katerina S Stamer
- M. V. Lomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1-2, Moscow 119992, Russian Federation
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Mikhail S Kondratenko
- M. V. Lomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1-2, Moscow 119992, Russian Federation
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3
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Liu M, Hua J, Du X. Smart materials for light control of droplets. NANOSCALE 2024. [PMID: 38624048 DOI: 10.1039/d3nr05593k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Droplet manipulation plays a critical role in both fundamental research and practical applications, especially when combined with smart materials and external fields to achieve multifunctional droplet manipulation. Light control of droplets has emerged as a significant and widely used strategy, driven primarily by photochemistry, photomechanics, light-induced Marangoni effects, and light-induced electric effects. This approach allowing for droplet manipulation with high spatial and temporal resolution, all while maintaining a remote and non-contact mode of operation. This review aims to provide a comprehensive overview of the mechanisms underlying light control of droplets, the design of smart materials for this purpose, and the diverse range of applications enabled by this technique. These applications include merging, splitting, releasing, forwarding, backward movement, and rotation of droplets, as well as chemical reactions, droplet robots, and microfluidics. By presenting this information, we aim to establish a unified framework that guides the sustainable development of light control of droplets. Additionally, this review addresses the challenges associated with light control of droplets and suggests potential directions for future development.
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Affiliation(s)
- Meijin Liu
- Institute of Biomedical & Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Jiachuan Hua
- Institute of Biomedical & Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Xuemin Du
- Institute of Biomedical & Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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4
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Ghasemlou M, Oladzadabbasabadi N, Ivanova EP, Adhikari B, Barrow CJ. Engineered Sustainable Omniphobic Coatings to Control Liquid Spreading on Food-Contact Materials. ACS APPLIED MATERIALS & INTERFACES 2024; 16:15657-15686. [PMID: 38518221 DOI: 10.1021/acsami.4c01329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
The adhesion of sticky liquid foods to a contacting surface can cause many technical challenges. The food manufacturing sector is confronted with many critical issues that can be overcome with long-lasting and highly nonwettable coatings. Nanoengineered biomimetic surfaces with distinct wettability and tunable interfaces have elicited increasing interest for their potential use in addressing a broad variety of scientific and technological applications, such as antifogging, anti-icing, antifouling, antiadhesion, and anticorrosion. Although a large number of nature-inspired surfaces have emerged, food-safe nonwetted surfaces are still in their infancy, and numerous structural design aspects remain unexplored. This Review summarizes the latest scientific research regarding the key principles, fabrication methods, and applications of three important categories of nonwettable surfaces: superhydrophobic, liquid-infused slippery, and re-entrant structured surfaces. The Review is particularly focused on new insights into the antiwetting mechanisms of these nanopatterned structures and discovering efficient platform methodologies to guide their rational design when in contact with food materials. A detailed description of the current opportunities, challenges, and future scale-up possibilities of these nanoengineered surfaces in the food industry is also provided.
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Affiliation(s)
- Mehran Ghasemlou
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
- Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | | | - Elena P Ivanova
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Benu Adhikari
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, Victoria 3001, Australia
| | - Colin J Barrow
- Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, Victoria 3216, Australia
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Kazaryan PS, Gritsevich DK, Gallyamov MO, Pestrikova AA, Gulin AA, Kirianova AV, Kondratenko MS. Dependence of Slippery and Elastic Properties of Thin Polymer Films on the Grafted Flexible Sidechain Amount. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:7029-7045. [PMID: 37167610 DOI: 10.1021/acs.langmuir.3c00238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
In modern life, people face a wide number of sticky problems when adhesion is highly undesirable: water and dirt stick to clothes, useful materials stick to the walls of their containers and cannot be fully used, water sticking and freezing on airplane wings affects handling and can be dangerous, biological liquids can stick and form clots inside medical devices threatening patients' lives, etc. Slippery liquid-infused porous surfaces (SLIPSs) with pressure stable omniphobicity could help to solve these issues. Lubricant depletion from porous surface and subsequent degradation of omniphobic properties is the major problem for SLIPS. It could be resolved by attaching flexible, liquid-like sidechains to the polymer matrix. Understanding the relationship between the structure of such polymer films and wetting effects is therefore of great importance. The present work is devoted to the study of droplet pinning on crosslinked polydimethylsiloxane (PDMS) polymer films with varied amounts of attached flexible PDMS sidechains and clarification of the relationship between slippery and viscoelastic properties of the films. An one-stage approach to the synthesis of such slippery coatings on smooth and porous substrates in "eco-friendly" pressurized CO2 solutions is proposed. Pinning force and Young's modulus (E) of the films on silicon substrates with variation of the grafted sidechains amount (x) are measured. The non-monotonic dependence of the pinning force on the amount of sidechains is obtained: the pinning force decreases at small x values (region I) and starts to increase at higher x (region II). The effects of the grafted sidechains amount, as well as matrix softening, are discussed for each case. It is demonstrated that the proposed method of film synthesis allows one to obtain thin, uniform coatings on fabrics without gluing the fibers. Such coatings with an optimal amount of PDMS sidechains demonstrate decreased sliding angles for droplets of water and aqueous alcohol solutions, as compared to PDMS coatings without grafted sidechains. The proposed technique may be of interest for deposition of coatings on porous surfaces having a complex morphology, such as textiles, aerogels, porous electrodes, etc.
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Affiliation(s)
- Polina S Kazaryan
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
- N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Daniil K Gritsevich
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
| | - Marat O Gallyamov
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
- N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Anastasiya A Pestrikova
- N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Alexander A Gulin
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, Moscow 119991, Russian Federation
| | - Alina V Kirianova
- Faculty of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
| | - Mikhail S Kondratenko
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
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6
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Gatti SF, Gatti F, Amann T, Kailer A, Moser K, Weiss P, Seidel C, Rühe J. Tribological performance of electrically conductive and self-lubricating polypropylene-ionic-liquid composites. RSC Adv 2023; 13:8000-8014. [PMID: 36909746 PMCID: PMC9999252 DOI: 10.1039/d3ra00712j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023] Open
Abstract
In this work, self-lubricating and electrically conductive polymers on a polypropylene (PP) matrix were prepared and investigated. These properties were obtained by additivating PP with carbon black (CB) and multi-walled carbon nanotubes (MWCNTs), in combination with a surface active ionic liquid (IL, trihexyltetradecylphosphonium docusate [P66614][DOC]). These polymeric composites are expected to achieve coefficients of friction (COFs) comparable to lubricated systems. Combined with electrical conductivity, these materials could be applied in electrically loaded tribosystems. The COF was reduced by up to 25% compared to that of plain PP, and high electrical conductivity and self-lubrication were achieved. Fundamental differences between the carbon-based fillers in their interaction with IL were investigated with high-resolution surface analysis (TEM, AFM) and Raman and ATR-FTIR spectroscopy. By varying the tribological test parameters, the application limits of self-lubrication were identified. It was demonstrated that the contact pressure has a strong influence on the COF. Therefore, this work points to potential applications in (e.g. 3D-printed) bearings and electrically loaded bearings where electrical conductivity and relatively low COFs are required.
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Affiliation(s)
- Samuel Franz Gatti
- Fraunhofer Institute for Mechanics of Materials IWM, MicroTribology Center μTC Woehlerstraße 11 79108 Freiburg Germany
- Fraunhofer Cluster of Excellence Programmable Materials CPM Woehlerstraße 11 79108 Freiburg Germany
| | - Felix Gatti
- Fraunhofer Institute for Mechanics of Materials IWM, MicroTribology Center μTC Woehlerstraße 11 79108 Freiburg Germany
- Fraunhofer Cluster of Excellence Programmable Materials CPM Woehlerstraße 11 79108 Freiburg Germany
| | - Tobias Amann
- Fraunhofer Institute for Mechanics of Materials IWM, MicroTribology Center μTC Woehlerstraße 11 79108 Freiburg Germany
- Fraunhofer Cluster of Excellence Programmable Materials CPM Woehlerstraße 11 79108 Freiburg Germany
| | - Andreas Kailer
- Fraunhofer Institute for Mechanics of Materials IWM, MicroTribology Center μTC Woehlerstraße 11 79108 Freiburg Germany
| | - Kevin Moser
- Fraunhofer Cluster of Excellence Programmable Materials CPM Woehlerstraße 11 79108 Freiburg Germany
- Fraunhofer Institute for Chemical Technology ICT Joseph-von-Fraunhofer-Str. 7 76327 Pfinztal Germany
| | - Patrick Weiss
- Fraunhofer Institute for Chemical Technology ICT Joseph-von-Fraunhofer-Str. 7 76327 Pfinztal Germany
| | - Claudia Seidel
- Fraunhofer Institute for Chemical Technology ICT Joseph-von-Fraunhofer-Str. 7 76327 Pfinztal Germany
| | - Jürgen Rühe
- University Freiburg, IMTEK - Department of Microsystems Engineering Georges-Koehler-Allee 103 79110 Freiburg Germany
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7
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Li X, Yang K, Yuan Z, Liu S, Du J, Li C, Meng S. Recent Advances on the Abrasion Resistance Enhancements and Applications of Superhydrophobic Materials. CHEM REC 2023; 23:e202200298. [PMID: 36779511 DOI: 10.1002/tcr.202200298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/24/2023] [Indexed: 02/14/2023]
Abstract
Researches on superhydrophobicity have been overwhelming and have shown great advantages in various fields. However, the abrasion resistance of superhydrophobic structures was usually poor, and they were easily damaged by external force or harsh environment, which greatly limited the applications of superhydrophobic surfaces. Much attention has been paid to improving the abrasion resistance of superhydrophobic materials by researchers. In this review, aimed at the advances on improving the abrasion resistance of superhydrophobic surfaces, it was summarized and compared three enhancement strategies including the reasonably design of micro-nano structures, the adoption of adhesives, and the preparation of self-healing surface. Finally, the applications of typical superhydrophobic materials with abrasion resistance were reviewed in various fields. In order to broaden the application fields of superhydrophobic materials, the abarasion resistance should be further improved. Therefore, we proposed the ideas for the future development of superhydrophobic materials with higher abrasion resistance. We hope that this review will provide a new approach to the preparation and development of stable superhydrophobic surfaces with higher abrasion resistance.
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Affiliation(s)
- Xinyi Li
- National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou, 412007, China
| | - Kangli Yang
- Department of Teaching, Zhuzhou Central Hospital, Zhuzhou, 412000, China
| | - Zhiqing Yuan
- National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou, 412007, China
| | - Shujuan Liu
- National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou, 412007, China
| | - Juan Du
- National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou, 412007, China
| | - Cancheng Li
- National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou, 412007, China
| | - Shoutong Meng
- National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou, 412007, China
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8
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M A, Peethan A, George SD. Oil-Grafted Track-Assisted Directional Transport of Water Droplets and Submerged Air Bubbles on Solid Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:1987-1996. [PMID: 36696539 DOI: 10.1021/acs.langmuir.2c03051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Wettability-tailored tracks are emerging as an efficient approach to collecting and transporting underwater air bubbles as well as water from the mist. However, tailoring the surface wettability by modifying the surface structural features via physiochemical methods to create superhydrophilic-superhydrophobic contrast tracks suffers from long-term durability issues, while the emerging liquid-infused slippery surface has inherent design engineering limitations and issues from infused oil depletion. Herein, we demonstrate that by selective silicone oil grafting onto the glass substrate, it is possible to create a wettability contrast of ∼ 43°. Further, we illustrate the application of such tracks for underwater air bubble capturing and transportation in an aqueous medium with surface tension ranging from 72 to 43.5 mN/m. In addition, the potential of these nonadhesive and adhesive tracks for water collection from the mist is shown and the critical effect of the track dimension and intertrack spacing on the water harvesting rate is investigated in detail. The study illustrates that the nonadhesive nature of the oil-grafted region enables the easy transport of underwater air bubbles as well as water from the flow medium and thus offers an easy and facile approach to creating substrates for underwater air bubble collection and water harvesting.
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Affiliation(s)
- Aravind M
- Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal576104, India
| | - Alina Peethan
- Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal576104, India
| | - Sajan D George
- Department of Atomic and Molecular Physics, Manipal Academy of Higher Education, Manipal576104, India
- Centre for Applied Nanosciences (CAN), Manipal Academy of Higher Education, Manipal576104, India
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9
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Ji Z, Liu X, Song Y, Zhong Y, Wang D, Chen B, Fang M, Nie X, Hou J, Ma J, Ma H, Xu X, Yi Z, Xu X. Space-Confined seeding and growth of ordered arrays of TiO2 hierarchical nanostructures. J Colloid Interface Sci 2023; 630:436-443. [DOI: 10.1016/j.jcis.2022.10.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/08/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
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10
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Yang W, Xuan C, Liu X, Zhang Q, Wu K, Bian L, Shi X. A sandwiched patch toward leakage-free and anti-postoperative tissue adhesion sealing of intestinal injuries. Bioact Mater 2022; 24:112-123. [PMID: 36582344 PMCID: PMC9760658 DOI: 10.1016/j.bioactmat.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/15/2022] Open
Abstract
Ideal repair of intestinal injury requires a combination of leakage-free sealing and postoperative antiadhesion. However, neither conventional hand-sewn closures nor existing bioglues/patches can achieve such a combination. To this end, we develop a sandwiched patch composed of an inner adhesive and an outer antiadhesive layer that are topologically linked together through a reinforced interlayer. The inner adhesive layer tightly and instantly adheres to the wound sites via -NHS chemistry; the outer antiadhesive layer can inhibit cell and protein fouling based on the zwitterion structure; and the interlayer enhances the bulk resilience of the patch under excessive deformation. This complementary trilayer patch (TLP) possesses a unique combination of instant wet adhesion, high mechanical strength, and biological inertness. Both rat and pig models demonstrate that the sandwiched TLP can effectively seal intestinal injuries and inhibit undesired postoperative tissue adhesion. The study provides valuable insight into the design of multifunctional bioadhesives to enhance the treatment efficacy of intestinal injuries.
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Affiliation(s)
- Wei Yang
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Chengkai Xuan
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China,Guangzhou Soonheal Medical Technology. Co, Ltd, Guangzhou, 510230, China
| | - Xuemin Liu
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Qiang Zhang
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Kai Wu
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, China
| | - Liming Bian
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China,Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, 510006, China,Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China,School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, China,Corresponding author. National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.
| | - Xuetao Shi
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China,Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, 510006, China,Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China,Corresponding author. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China.
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11
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Anti-wetting surfaces with self-healing property: fabrication strategy and application. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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12
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Zhang B, Zhang Y, Ma S, Zhang H. Slippery Liquid-infused Porous Surface (SLIPS) with Super-repellent and Contact-killing Antimicrobial Performances. Colloids Surf B Biointerfaces 2022; 220:112878. [DOI: 10.1016/j.colsurfb.2022.112878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/06/2022] [Accepted: 09/23/2022] [Indexed: 10/14/2022]
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13
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Lv CJ, Hao B, Yasin A, Yue X, Ma PC. Molecular and structural design of polyacrylonitrile-based membrane for oil-water separation. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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14
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Kazaryan PS, Gallyamov MO, Kondratenko MS. Study of the Droplet Pinning Force in the Transition from Dry to Liquid-Infused Thin Polymer Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:1114-1123. [PMID: 35015553 DOI: 10.1021/acs.langmuir.1c02767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The change in the pinning force during the transition from dry to oil-impregnated thin polymer films is studied for droplets of water and hexadecane. A careful variation of the oil amount in the films is performed by means of supercritical impregnation. The film thickness dependence on the oil content is measured using ellipsometry and compared to gel swelling theory estimates. Depending on the oil content, two cases of pinning force behavior have been identified. For each case, the factors that determine the pinning force are discussed. The pinning force in the transition from dry to equilibrium swollen gel films is well approximated by the Joanny and de Gennes hysteresis model of dilute defects.
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Affiliation(s)
- Polina S Kazaryan
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation
| | - Marat O Gallyamov
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Mikhail S Kondratenko
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation
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15
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Zhao S, Liang Y, Yang Y, Huang J, Guo Z, Liu W. A robust surface with superhydrophobicity and underwater superoleophobicity for on-demand oil/water separation. NANOSCALE 2021; 13:15334-15342. [PMID: 34494623 DOI: 10.1039/d1nr04658f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Superhydrophobic and underwater superoleophobic surface combine the superiorities of the two opposite wettabilities. Generally, such a surface is constructed by hydrophilic areas and hydrophobic areas treated with fluorine-containing modifiers. However, the surface energy in a narrow range and poor bonding force between water-loving and water-repelling components make the surface fragile and its wettability unstable. Herein, we present a strategy to fabricate a robust surface with superhydrophobicity and underwater superoleophobicity. Hydrophilic aluminum phosphate as a binder can strongly interact with superhydrophobic titanium dioxide nanoparticles. Mixing the two ingredients to accurately control the surface energy in a narrow range and then spray coating, the superhydrophobic and underwater superoleophobic surfaces are conveniently prepared on diverse substrates. Under acid/base aqueous solution conditions, O2-plasma etching, and sand impingement, the coatings remain superhydrophobic and underwater superoleophobic. Taking advantage of the wettability and robustness of coatings, the as-prepared membranes realize on-demand and multicycle separation under gravity without continuous external stimulus. Importantly, even after 100 sand impingement cycles, the treated membranes still maintain prominent separation performance.
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Affiliation(s)
- Siyang Zhao
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yongmin Liang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Yu Yang
- College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Jinxia Huang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
| | - Zhiguang Guo
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China.
| | - Weimin Liu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
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Liu C, Sun Y, Huanng J, Guo Z, Liu W. External-field-induced directional droplet transport: A review. Adv Colloid Interface Sci 2021; 295:102502. [PMID: 34390884 DOI: 10.1016/j.cis.2021.102502] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/18/2021] [Accepted: 08/02/2021] [Indexed: 02/08/2023]
Abstract
Directional transport of fluids is crucial for vital activities of organisms and numerous industrial applications. This process has garnered widespread research attention due to the wide breadth of flexible applications such as medical diagnostics, drug delivery, and digital microfluidics. The rational design of functional surfaces that can achieve the subtle control of liquid behavior. Previous studies were mainly dependent on the special asymmetric structures, which inevitably have the problem of slow transport speed and short distance. To improve controllability, researchers have attempted to use external fields, such as thermal, light, electric fields, and magnetic fields, to achieve controllable droplet transport. On the fundamental side, much of their widespread applicably is due to the degree of control over droplet transport. This review provides an overview of recent progress in the last three years toward the transport of droplets with different mechanisms induced by various external stimuli, including light, electric, thermal, and magnetic field. First, the relevant basic theory and typical induced gradient for directional liquid transport are illustrated. We will then review the latest advances in the external-field-induced directional transport. Moreover, the most emerging applications such as digital microfluidics, harvesting of energy and water, heat transfer, and oil/water separation are also presented. Finally, we will outline possible future perspectives to attract more researchers interest and promote the development of this field.
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Zhang R, Guo Z. Facile preparation of a superamphiphilic nitrocellulose membrane enabling on-demand and energy-efficient separation of oil/water mixtures and emulsions by prewetting. Biomater Sci 2021; 9:5559-5568. [PMID: 34236061 DOI: 10.1039/d1bm00521a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A membrane with superamphiphilicity presents many advantages in various oil/water separation applications due to its switchable wettability by prewetting. However, it is still a great challenge to switch between two types of superwettability on a single cellulose surface by switching between different liquid media. Herein, in order to obtain in-air superamphiphilic and under-liquid dual superlyophobic membranes, dopamine-modified nitrocellulose membranes (with a pore size of 0.22 μm) were prepared via a facile immersion modification approach. Under 0.08 MPa, the as-prepared NC membrane switches wettability by prewetting to achieve on-demand oil/water separation, and the separation efficiency is more than 99.9%. Futhermore, the membrane prepared in this work can also be applied to high-efficiency on-demand separation of surfactant-stabilized emulsions with a separation efficiency greater than 99.0%. Hence, the PDA-modified NC membrane is a promising controllable oil/water separation material in terms of repeatable cycles, separation efficiency, flux, prominent long-term durability and anti-oil fouling.
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Affiliation(s)
- Rong Zhang
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China. and State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering and Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China. and State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
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Zeng Q, Zhou H, Huang J, Guo Z. Review on the recent development of durable superhydrophobic materials for practical applications. NANOSCALE 2021; 13:11734-11764. [PMID: 34231625 DOI: 10.1039/d1nr01936h] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Biomimetic superhydrophobic surfaces show great potential in oil-water separation, anti-icing and self-cleaning. However, due to the instability caused by its fragile structure and non-durable superhydrophobicity, it is difficult to apply them in the actual field. Here, by introducing surface wettability and analysing the mechanism of superhydrophobic failure, it is concluded that the reason for the failure of the superhydrophobic surface comes from the transition of the surface energy and the hysteresis of the contact angle (CA). On the basis of this analysis, it is concluded that the principle of designing a durable superhydrophobic surface is to satisfy one of the following three points: improving the binding force between molecules, introducing durable materials and improving chemical durability. On this basis, a variety of preparation methods are proposed, such as assembly method and spray/dip coating method, and the design and preparation of a self-healing surface inspired by nature will also be included in the introduction. Last but not least, the preparation and application of a durable super-hydrophobic surface in oil-water separation, anti-icing and self-cleaning are also introduced in detail. This review reveals the conclusions and prospects of durable superhydrophobic surfaces, and aims to inspire more researchers to invest in this research.
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Affiliation(s)
- Qinghong Zeng
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, People's Republic of China.
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Tang X, Huang J, Guo Z, Liu W. A combined structural and wettability gradient surface for directional droplet transport and efficient fog collection. J Colloid Interface Sci 2021; 604:526-536. [PMID: 34280753 DOI: 10.1016/j.jcis.2021.07.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 10/20/2022]
Abstract
HYPOTHESIS The droplet manipulation behavior is affected by chemical structural driving force (including the superposition of electric, magnetic, optical and thermal fields), which directly determine transportation velocity. A lot of research has focused on a single driving force that induces the directional transportation behavior, which affects its performance. EXPERIMENTS A simple method for preparing wettability gradient conical copper needles (WGCCN) combining structural gradient and chemical gradient was formulated. The effect of droplet volume and tilt angles on droplet transport velocity was systematically studied. The process of droplet transport was revealed through theoretical model and mechanical analysis. Finally, the application of WGCCN and its array model in fog collection were explored. FINDINGS A continuous chemical gradient in the conical structure gradient induces the droplet directional transportation, and the transportation velocity depends on the droplet volume. In addition, under the cooperation effect of multiple driving force, the droplet can still be transported in a directional orientation even if it is tilted at a certain angle. The simple droplet manipulation behavior portends that the droplets directional transport behavior can be applied in microfluidic manipulation by cooperation of effective multiple driving force with satisfactory results.
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Affiliation(s)
- Xing Tang
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, People's Republic of China; State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
| | - Jinxia Huang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, People's Republic of China; State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China.
| | - Weimin Liu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
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Li D, Liang X, Li S, Wang T, Han G, Guo Z. Bioinspired textile with dual-stimuli responsive wettability for body moisture management and signal expression. NEW J CHEM 2021. [DOI: 10.1039/d1nj02471j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A smart bioinspired loofah textile with biosafe wettability shows high directional liquid transport capacity and the ability to identify liquids with different pH values.
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Affiliation(s)
- Deke Li
- School of materials engineering
- Lanzhou Institute of Technology
- Lanzhou 730050
- People's Republic of China
- State Key Laboratory of Solid Lubrication
| | - Xiaojing Liang
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- People's Republic of China
| | - Shanpeng Li
- College of Engineering
- Lishui University
- Lishui 323000
- People's Republic of China
| | - Tao Wang
- School of materials engineering
- Lanzhou Institute of Technology
- Lanzhou 730050
- People's Republic of China
| | - Guocai Han
- School of materials engineering
- Lanzhou Institute of Technology
- Lanzhou 730050
- People's Republic of China
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- People's Republic of China
- State Key Laboratory of Solid Lubrication
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Lei J, Guo Z, Liu W. Cellulose acetate/fiber paper composite membrane for separation of an oil-in-water emulsion. NEW J CHEM 2021. [DOI: 10.1039/d1nj02236a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The cellulose composite membrane combines the advantages of cellulose acetate and cellulose filter paper with good antifouling performance and excellent mechanical properties.
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Affiliation(s)
- Jun Lei
- Ministry of Education
- Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- People's Republic of China
| | - Zhiguang Guo
- Ministry of Education
- Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- People's Republic of China
| | - Weimin Liu
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- People's Republic of China
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Chen X, Huang J, Guo Z. Stable and biocompatible slippery lubricant-infused anode-oxidated titanium nanotube surfaces via a grafted polydimethylsiloxane brush. NEW J CHEM 2021. [DOI: 10.1039/d1nj03465k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work aims at optimizing the structure and enhancing the interaction force between the substrate and the lubricant to prepare a slippery lubricant-infused TiO2 NT surface that maintains stable omniphobic performance in extreme environments.
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Affiliation(s)
- Xiangsheng Chen
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, People's Republic of China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
| | - Jinxia Huang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, People's Republic of China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
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