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Gibalova A, Arndt NB, Burg L, Ravoo BJ. Light-Responsive Conductive Surface Coatings on the Basis of Azidomethyl-PEDOT Electropolymer Films. ACS APPLIED MATERIALS & INTERFACES 2023; 15:12363-12371. [PMID: 36848114 DOI: 10.1021/acsami.2c21995] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The design of responsive coatings has gained increasing attention recently, with light-responsive interfaces receiving particular appreciation, as their surface properties can be modulated with excellent spatiotemporal control. In this article, we present light-responsive conductive coatings acquired through a copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction between electropolymerized azide-functionalized poly(3,4-ethylenedioxythiophene) (PEDOT-N3) and arylazopyrazole (AAP)-bearing alkynes. The UV/vis and X-ray photoelectron spectroscopy (XPS) data indicate a successful post-modification, supporting a covalent attachment of AAP moieties to PEDOT-N3. The thickness and degree of PEDOT-N3 modification are accessible by varying the amount of passed charge during electropolymerization and time of reaction, respectively, providing a degree of synthetic control over the physicochemical material properties. The produced substrates demonstrate a reversible and stable light-driven switching of photochromic properties in both "dry" and swelled states, as well as efficient electrocatalytic Z → E switching. The AAP-modified polymer substrates exhibit a light-controlled wetting behavior, demonstrating a consistently reversible switching of the static water contact angle with a difference up to 10.0° for CF3-AAP@PEDOT-N3. The results highlight the application of conducting PEDOT-N3 for the covalent immobilization of molecular switches while preserving their stimuli-responsive features.
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Affiliation(s)
- Anna Gibalova
- Organic Chemistry Institute and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstr. 36, D-48149 Münster, Germany
| | - Niklas B Arndt
- Organic Chemistry Institute and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstr. 36, D-48149 Münster, Germany
| | - Luca Burg
- Organic Chemistry Institute and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstr. 36, D-48149 Münster, Germany
| | - Bart Jan Ravoo
- Organic Chemistry Institute and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstr. 36, D-48149 Münster, Germany
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Imani SM, Maclachlan R, Chan Y, Shakeri A, Soleymani L, Didar TF. Hierarchical Structures, with Submillimeter Patterns, Micrometer Wrinkles, and Nanoscale Decorations, Suppress Biofouling and Enable Rapid Droplet Digitization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2004886. [PMID: 33230941 DOI: 10.1002/smll.202004886] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/27/2020] [Indexed: 06/11/2023]
Abstract
Liquid repellant surfaces have been shown to play a vital role for eliminating thrombosis on medical devices, minimizing blood contamination on common surfaces as well as preventing non-specific adhesion. Herein, an all solution-based, easily scalable method for producing liquid repellant flexible films, fabricated through nanoparticle deposition and heat-induced thin film wrinkling that suppress blood adhesion, and clot formation is reported. Furthermore, superhydrophobic and hydrophilic surfaces are combined onto the same substrate using a facile streamlined process. The patterned superhydrophobic/hydrophilic surfaces show selective digitization of droplets from various solutions with a single solution dipping step, which provides a route for rapid compartmentalization of solutions into virtual wells needed for high-throughput assays. This rapid solution digitization approach is demonstrated for detection of Interleukin 6. The developed liquid repellant surfaces are expected to find a wide range of applications in high-throughput assays and blood contacting medical devices.
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Affiliation(s)
- Sara M Imani
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Roderick Maclachlan
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Yuting Chan
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Amid Shakeri
- Department of Mechanical Engineering, McMaster University, Hamilton, ON, L8S 4L7, Canada
| | - Leyla Soleymani
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Tohid F Didar
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
- Department of Mechanical Engineering, McMaster University, Hamilton, ON, L8S 4L7, Canada
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Samanta A, Huang W, Chaudhry H, Wang Q, Shaw SK, Ding H. Design of Chemical Surface Treatment for Laser-Textured Metal Alloys to Achieve Extreme Wetting Behavior. ACS APPLIED MATERIALS & INTERFACES 2020; 12:18032-18045. [PMID: 32208599 DOI: 10.1016/j.matdes.2020.108744] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Extreme wetting activities of laser-textured metal alloys have received significant interest due to their superior performance in a wide range of commercial applications and fundamental research studies. Fundamentally, extreme wettability of structured metal alloys depends on both the surface structure and surface chemistry. However, compared with the generation of physical topology on the surface, the role of surface chemistry is less explored for the laser texturing processes of metal alloys to tune the wettability. This work introduces a systematic design approach to modify the surface chemistry of laser textured metal alloys to achieve various extreme wettabilities, including superhydrophobicity/superoleophobicity, superhydrophilicity/superoleophilicity, and coexistence of superoleophobicity and superhydrophilicity. Microscale trenches are first created on the aluminum alloy 6061 surfaces by nanosecond pulse laser surface texturing. Subsequently, the textured surface is immersion-treated in several chemical solutions to attach target functional groups on the surface to achieve the final extreme wettability. Anchoring fluorinated groups (-CF2- and -CF3) with very low dispersive and nondispersive surface energy leads to superoleophobicity and superhydrophobicity, resulting in repelling both water and diiodomethane. Attachment of the polar nitrile (-C≡N) group with very high nondispersive and high dispersive surface energy achieves superhydrophilicity and superoleophilicity by drawing water and diiodomethane molecules in the laser-textured capillaries. At last, anchoring fluorinated groups (-CF2- and -CF3) and polar sodium carboxylate (-COONa) together leads to very low dispersive and very high nondispersive surface energy components. It results in the coexistence of superoleophobicity and superhydrophilicity, where the treated surface attracts water but repels diiodomethane.
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Affiliation(s)
- Avik Samanta
- Department of Mechanical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
| | - Wuji Huang
- Department of Mechanical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
| | - Hassan Chaudhry
- Department of Mechanical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
| | - Qinghua Wang
- Department of Mechanical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
| | - Scott K Shaw
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
| | - Hongtao Ding
- Department of Mechanical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
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Imani SM, Maclachlan R, Rachwalski K, Chan Y, Lee B, McInnes M, Grandfield K, Brown ED, Didar TF, Soleymani L. Flexible Hierarchical Wraps Repel Drug-Resistant Gram-Negative and Positive Bacteria. ACS NANO 2020; 14:454-465. [PMID: 31834780 DOI: 10.1021/acsnano.9b06287] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Healthcare acquired infections are a major human health problem, and are becoming increasingly troublesome with the emergence of drug resistant bacteria. Engineered surfaces that reduce the adhesion, proliferation, and spread of bacteria have promise as a mean of preventing infections and reducing the use of antibiotics. To address this need, we created a flexible plastic wrap that combines a hierarchical wrinkled structure with chemical functionalization to reduce bacterial adhesion, biofilm formation, and the transfer of bacteria through an intermediate surface. These hierarchical wraps were effective for reducing biofilm formation of World Health Organization-designated priority pathogens Gram positive methicillin-resistant Staphylococcus aureus (MRSA) and Gram negative Pseudomonas aeruginosa by 87 and 84%, respectively. In addition, these surfaces remain free of bacteria after being touched by a contaminated surface with Gram negative E. coli. We showed that these properties are the result of broad liquid repellency of the engineered surfaces and the presence of reduced anchor points for bacterial adhesion on the hierarchical structure. Such wraps are fabricated using scalable bottom-up techniques and form an effective cover on a variety of complex objects, making them superior to top-down and substrate-specific surface modification methods.
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Affiliation(s)
- Sara M Imani
- McMaster University , School of Biomedical Engineering , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
| | - Roderick Maclachlan
- McMaster University , Department of Engineering Physics , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
| | - Kenneth Rachwalski
- Department of Biochemistry and Biomedical Sciences , McMaster University , Hamilton , ON L8N 3Z5 , Canada
- Michael G. DeGroote Institute of Infectious Disease Research , McMaster University , Hamilton , ON L8N 3Z5 , Canada
| | - Yuting Chan
- McMaster University , Department of Engineering Physics , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
| | - Bryan Lee
- McMaster University , School of Biomedical Engineering , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
| | - Mark McInnes
- OptiSolve ® , Peterborough , ON K9J 6 × 6 , Canada
| | - Kathryn Grandfield
- McMaster University , School of Biomedical Engineering , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
- Department of Materials Science and Engineering , McMaster University , Hamilton , Ontario Canada
| | - Eric D Brown
- Department of Biochemistry and Biomedical Sciences , McMaster University , Hamilton , ON L8N 3Z5 , Canada
- Michael G. DeGroote Institute of Infectious Disease Research , McMaster University , Hamilton , ON L8N 3Z5 , Canada
| | - Tohid F Didar
- McMaster University , School of Biomedical Engineering , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
- Michael G. DeGroote Institute of Infectious Disease Research , McMaster University , Hamilton , ON L8N 3Z5 , Canada
- Department of Mechanical Engineering , McMaster University , Hamilton , Ontario Canada
| | - Leyla Soleymani
- McMaster University , School of Biomedical Engineering , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
- McMaster University , Department of Engineering Physics , 1280 Main Street West , Hamilton , L8S 4L7 , Canada
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Ai J, Guo Z. Biomimetic polymeric superamphiphobic surfaces: their fabrication and applications. Chem Commun (Camb) 2019; 55:10820-10843. [DOI: 10.1039/c9cc03813b] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In this review, we summarize recent developments in polymeric superamphiphobic surfaces, including their design, fabrication, and potential applications.
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Affiliation(s)
- Jixin Ai
- 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
- State Key Laboratory of Solid Lubrication
| | - Zhiguang Guo
- 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
- State Key Laboratory of Solid Lubrication
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Lin H, Wang Y, Gan Y, Hou H, Yin J, Jiang X. Simultaneous Formation of a Self-Wrinkled Surface and Silver Nanoparticles on a Functional Photocuring Coating. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:11800-11808. [PMID: 26471347 DOI: 10.1021/acs.langmuir.5b03484] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Bioinspired functional surface with micro/nanostructures are particularly attractive because of the potential for outstanding characteristics, such as self-cleaning, self-replenishing and antibiosis. Here, we presented a facile approach to fabricate a functional photocuring coating with both a self-wrinkling patterned surface and incorporated silver nanoparticles (Ag NPs). Fluorinated polymeric photoinitiator (FPPI) and silver precursor (TFAAg) can self-assemble together on the air/acrylate interface to form a top layer of photocuring liquid resin. Under UV irradiation, a wrinkled pattern was formed as a result of the mismatch in shrinkage caused by photopolymerization between the top layer and the bulk layer. Simultaneously, Ag NPs with sizes of 15 ± 8 nm in diameter were in situ generated in the photocuring coating through the photoreduction of TFAAg. Their number density is higher in the top layer than in the bulk. Scanning electron microscope (SEM) and atomic force microscope (AFM) measurements revealed that the characteristic wavelength (λ) and amplitude (A) of the wrinkled morphology increased with growing concentration of FPPI, and that the generation of Ag NPs led to the wrinkle-to-fold transition. Furthermore, the obtained functional coatings possess a low surface energy and self-replenishing and antibiosis capabilities as a result of the synergistic effect of the wrinkled surface covered by FPPI and Ag NPs.
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Affiliation(s)
- Hongbo Lin
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Yuanlong Wang
- State Key Laboratory of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd. , Shanghai 200436, People's Republic of China
| | - Yanchang Gan
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Honghao Hou
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Jie Yin
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Xuesong Jiang
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
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Valipour Motlagh N, Khani R, Rahnama S. Super dewetting surfaces: Focusing on their design and fabrication methods. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.08.037] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Zhang D, Liu J, Liu T, Yang X. Synthesis of superhydrophobic fluorinated polystyrene microspheres via distillation precipitation polymerization. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3569-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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9
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Xu X, Yao X, Chen F, Fu Q. Kinetic study of a swelling-induced network of folds in a cross-linked PS-PDMS film. RSC Adv 2015. [DOI: 10.1039/c4ra13674h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Constructing a network of folds in a cross-linked PS-PDMS film through combining mesostructural organization of PS-PDMS and solvent-induced mechanical instability.
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Affiliation(s)
- Xin Xu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Xuelin Yao
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Feng Chen
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Qiang Fu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
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Milionis A, Ruffilli R, Bayer IS. Superhydrophobic nanocomposites from biodegradable thermoplastic starch composites (Mater-Bi®), hydrophobic nano-silica and lycopodium spores. RSC Adv 2014. [DOI: 10.1039/c4ra04117h] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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El-Maiss J, Darmanin T, Taffin de Givenchy E, Amigoni S, Eastoe J, Sagisaka M, Guittard F. Superhydrophobic surfaces with low and high adhesion made from mixed (hydrocarbon and fluorocarbon) 3,4-propylenedioxythiophene monomers. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/polb.23483] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Janwa El-Maiss
- Univ. Nice Sophia Antipolis; CNRS, LPMC; UMR 7336 Nice 06100 France
| | - Thierry Darmanin
- Univ. Nice Sophia Antipolis; CNRS, LPMC; UMR 7336 Nice 06100 France
| | | | - Sonia Amigoni
- Univ. Nice Sophia Antipolis; CNRS, LPMC; UMR 7336 Nice 06100 France
| | - Julian Eastoe
- School of Chemistry, University of Bristol; Bristol BS8 1TS United Kingdom
| | - Masanobu Sagisaka
- Department of Frontier Materials Chemistry; Graduate School of Science and Technology, Hirosaki University; Japan
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