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Yang T, Yang Z, Xin W, Feng Y, Kong X, Wang Y, Li H, Wen L, Zhou G. Biomimicking TRPM8: A Conversely Temperature-Dependent Nonionic Retrorse Nanochannel for Ion Flow Control. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38679867 DOI: 10.1021/acsami.4c02990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Ion channels play a crucial role in the transmembrane transport and signal transmission of substances. In animals, transient receptor potential vanilloid 1 (TRPV1) and transient receptor potential melastatin 8 (TRPM8) serve as temperature-sensing units in sensory nerve endings. TRPV1 allows cells to sense heat, while TRPM8 enables them to detect cold, both serving to protect living organisms from harmful substances and environments. However, almost all studies on artificial nanochannels have mainly focused on TRPV1-like "forward nanochannels" thus far, which are incapable of "backward" responding to heat. So, we constructed an innovational TRPM8-inspired "retrorse nanochannel" through internal modification of poly(acrylamide-co-acrylonitrile) [P(AAm-co-AN)] with an upper critical solution temperature (UCST). Our results demonstrated that the internally modified nanochannels exhibited rapid, stable, and reversible heat-closing capability and converse temperature dependence within the typical temperature range of 25-40 °C. The biomimetic ion channel can effectively function as a facile, precise, and reversible thermal gate for controlling the transport of ions and substances. It also offers a promising microscopic technology for managing thermal effects on the substance, fluid, energy, and even signal delivery.
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Affiliation(s)
- Tao Yang
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
| | - Zelin Yang
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
| | - Weiwen Xin
- Key Laboratory of Bio-inspired Materials and Interfacial Science Technical, Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yuchen Feng
- School of Future Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, P. R. China
| | - Xiangyu Kong
- Key Laboratory of Bio-inspired Materials and Interfacial Science Technical, Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yao Wang
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
| | - Hao Li
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
| | - Liping Wen
- Key Laboratory of Bio-inspired Materials and Interfacial Science Technical, Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Guofu Zhou
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
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Pu Y, Fan J. Thermoresponsive Skin-like Fabric for Personal Comfort and Protection. ACS APPLIED MATERIALS & INTERFACES 2024; 16:10960-10968. [PMID: 38361387 DOI: 10.1021/acsami.3c17270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Acting as a "second skin", clothing plays an indispensable role in providing comfort and protection in the wide range of environments in which we live. However, comfort and protection are often competing requirements and are difficult to improve simultaneously. By mimicking the exceptional thermoresponsive one-way liquid transport property of human skin, here we developed a scalable and ecofriendly skin-like fabric that has a tunable directional water transport rate while having excellent water repellency. The water transport rate is also temperature-responsive, just like skin. As the temperature increases, the wettability gradient in the spatially distributed channels (acting like "sweat glands") increases, promoting sweat transport and evaporative heat dissipation. As the temperature decreases, on the other hand, the wettability gradient diminishes, reducing liquid transport and evaporative heat loss, thereby promoting heat retention. The fabric is highly suitable for sportswear and functional clothing and can have wider applications, such as oil-water separation, fog harvesting, etc.
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Affiliation(s)
- Yi Pu
- School of Fashion and Textiles, The Hong Kong Polytechnic University, 11 Yuk Choi Road, Kowloon 999077, Hong Kong
| | - Jintu Fan
- School of Fashion and Textiles, The Hong Kong Polytechnic University, 11 Yuk Choi Road, Kowloon 999077, Hong Kong
- Research Institute of Sports Science and Technology, The Hong Kong Polytechnic University, 11 Yuk Choi Road, Kowloon 999077, Hong Kong
- Research Centre of Textiles for Future Fashion, The Hong Kong Polytechnic University, 11 Yuk Choi Road, Kowloon 999077, Hong Kong
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Li C, Zhang C, Zhao R, Zhao N, Liu R, Zhang Y, Jia M, Wang S. Porous Electrospun Films with Reversible Photoresponsive Microenvironmental Humidity Regulation: A Controllable Hydrogen-Bonding Synergistic Effect Exhibited by Acrylic Acid Segments. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6187-6201. [PMID: 36655841 DOI: 10.1021/acsami.2c20035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Suitable relative humidity is essential for the preservation of cultural relics, food storage, and so on. A special material that can regulate the relative humidity in the microenvironment is particularly important. In this work, several innovative electrospun films with reversible photoresponsive wettability and the ability to regulate microenvironmental relative humidity were prepared. The spiropyran unit of the synthesized copolymer played the most important role in humidity regulation due to its reversible transition between a nonpolar ring-closed state and a polar ring-opened state induced by alternating ultraviolet/visible illumination. More interestingly, the introduction of acrylic acid segments exhibited a controllable hydrogen bond synergistic effect for increasing the range of humidity regulation. The color change and the reversible change ranges of wettability and microenvironmental relative humidity under ultraviolet/visible irradiation are all closely related to the number of acrylic acid segments. Cassie theory, density functional theory (DFT), and interaction region indicator (IRI) analysis were used to characterize this phenomenon. Electrospinning is a promising method to achieve large-scale production that can put such material into practical applications.
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Affiliation(s)
- Chunhao Li
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ce Zhang
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ruisheng Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ning Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ruian Liu
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Yang Zhang
- Inner Mongolia Key Laboratory of Environmental Chemistry, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Meilin Jia
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Shuai Wang
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
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Chen J, Wang H, Liu X, Han X, Liu H. Multiple strategies to control the hydrophilic-hydrophobic balance of P(DMA- co-DMAEMA- co-QDMAEMA) coatings. SOFT MATTER 2022; 18:4913-4922. [PMID: 35726664 DOI: 10.1039/d2sm00521b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The regulation of the hydrophilic-hydrophobic balance of polymers has an important influence not only on their aggregation behavior in aqueous solution, but also on their adhesion properties on the surface of substrates and the applications of the modified surfaces. Based on this, a random copolymer poly(dopamine methacrylamide-co-2-(dimethylamino)ethyl methacrylate) (P(DMA-co-DMAEMA)) was synthesized as a starting polymer to generate P(DMA-co-DMAEMA-co-QDMAEMA) (PDDQ) derivatives by a programmable quaternization of the DMAEMA precursor. By adjusting the pH or temperature, both the aggregation behavior in aqueous solutions and the surface adhesive behavior on the substrate surfaces of PDDQ copolymers were regulated due to the hydrophilic-hydrophobic balance. Specifically, the surface adsorption of PDDQ copolymers on surfaces was enhanced by the increased hydrophobicity of PDDQ. Stainless steel meshes (SSM) modified with the PDDQ0 copolymer without quaternization showed a superoleophobicity in acidic aqueous media, which endowed it with improved oil-water separation performance. In addition, the hydrophilic-hydrophobic balance of PDDQs and their coatings could also be tuned by changing the ratio of DMAEMA to QDMAEMA in the copolymer. From PDDQ0 to PDDQ100, by increasing the hydrophilic QDMAEMA component of PDDQ copolymers, anti-protein properties and oil/water separation efficiency of the modified surfaces were also enhanced gradually. The results provided a reference for designing P(DMA-co-DMAEMA-co-QDMAEMA) coatings in different application environments.
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Affiliation(s)
- Jiao Chen
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Hanhan Wang
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Xing Liu
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Xia Han
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Honglai Liu
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
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Ling Y, Chen L, Huang M, Zhou C, Yang L, Niu H, Su L, Yang Y, Pirraco RP, Reis RL, Chen J. A Novel Method for the Preparation of Poly (Acrylamide−co−Acrylonitrile) Upper Critical Solution Temperature Thermosensitive Hydrogel by the Partial Dehydration of Acrylamide Grafted Polypropylene Sheets. Gels 2022; 8:gels8060345. [PMID: 35735689 PMCID: PMC9222357 DOI: 10.3390/gels8060345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/21/2022] [Accepted: 05/27/2022] [Indexed: 12/10/2022] Open
Abstract
In an attempt to find a potential application of cell culture harvesting, a novel method for the preparation of an upper critical solution temperature (UCST) thermosensitive hydrogel was studied. An electron accelerator was used as the electron beam (EB) radiation source, and acrylamide (AAm) was first grafted onto the pre-irradiated polypropylene (PP) sheet. Then, the grafting layer of poly (acrylamide-co-acrylonitrile) (P (AAm-co-AN)) was obtained by the partial dehydration of the acylamino group into the cyano group in the solution mixture of sulfoxide chloride (SOCl2) and dimethyl formamide (DMF). The effects of the absorbed dose, AAm concentration, reaction time, and temperature on the degree of grafting were studied, respectively. The effect of the SOCl2 concentration on the conversion degree of the cyano group from the acylamino group was studied, followed by the temperature of the UCST. The UCST properties of the grafted samples with P (AAm-co-AN) were studied by quartz crystal microbalance (QCM) and atomic force microscope (AFM), respectively. The cytotoxicities of the hydrogels against cells were verified by CCK-8 studies.
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Affiliation(s)
- Yi Ling
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
| | - Liuyuchen Chen
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
| | - Mingjun Huang
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
| | - Cheng Zhou
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
| | - Liming Yang
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
| | - Hejingying Niu
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
| | - Li Su
- School of Life Sciences, Shanghai University, Shangda Road 99, Shanghai 200444, China;
| | - Yuejiao Yang
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy
| | - Rogério P. Pirraco
- 3B’s Research Group—Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark—Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal; (R.P.P.); (R.L.R.)
| | - Rui L. Reis
- 3B’s Research Group—Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark—Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal; (R.P.P.); (R.L.R.)
| | - Jie Chen
- Department of Chemical Engineering and Technology, School of Environmental and Chemical Engineering, Shanghai University, Shangda Road 99, Shanghai 200444, China; (Y.L.); (L.C.); (M.H.); (C.Z.); (L.Y.); (H.N.); (Y.Y.)
- Correspondence:
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Xu X, Bizmark N, Christie KSS, Datta SS, Ren ZJ, Priestley RD. Thermoresponsive Polymers for Water Treatment and Collection. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c01502] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Chen KF, Zhang Y, Lin J, Chen JY, Lin C, Gao M, Chen Y, Liu S, Wang L, Cui ZK, Jia YG. Upper Critical Solution Temperature Polyvalent Scaffolds Aggregate and Exterminate Bacteria. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107374. [PMID: 35129310 DOI: 10.1002/smll.202107374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/24/2021] [Indexed: 06/14/2023]
Abstract
Specific recognition and strong affinities of bacteria receptors with the host cell glycoconjugates pave the way to control the bacteria aggregation and kill bacteria. Herein, using aggregation-induced emission (AIE) molecules decorated upper critical solution temperature (UCST) polyvalent scaffold (PATC-GlcN), an approach toward visualizing bacteria aggregation and controlling bacteria-polyvalent scaffolds affinities under temperature stimulus is described. Polyvalent scaffolds with diblocks, one UCST block PATC of polyacrylamides showing a sharp UCST transition and typical AIE behavior, the second bacteria recognition block GlcN of hydrophilic glucosamine modified polyacrylamide, are prepared through a reversible addition and fragmentation chain transfer polymerization. Aggregated chain conformation of polyvalent scaffolds at temperature below UCST induces the aggregation of E. coli ATCC8739, because of the high density of glucosamine moieties, whereas beyond UCST, the hydrophilic state of the scaffolds dissociates the bacteria aggregation. The sweet-talking of bacteria toward the polyvalent scaffolds can be visualized by the fluorescent imaging technique, simultaneously. Due to the specific recognition of polyvalent scaffolds with bacteria, the photothermal agent IR780 loaded PATC-GlcN shows the targeted killing ability toward E. coli ATCC8739 in vitro and in vivo under NIR radiation.
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Affiliation(s)
- Kai-Feng Chen
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Yiqing Zhang
- Department of Cell Biology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Southern Medical University, Guangzhou, 510515, China
| | - Jiawei Lin
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Jun-You Chen
- Department of Cell Biology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Southern Medical University, Guangzhou, 510515, China
| | - Caihong Lin
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Meng Gao
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Yunhua Chen
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Sa Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Lin Wang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center 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
- Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Zhong-Kai Cui
- Department of Cell Biology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Southern Medical University, Guangzhou, 510515, China
| | - Yong-Guang Jia
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- National Engineering Research Center 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
- Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
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Audureau N, Coumes F, Veith C, Guibert C, Guigner JM, Stoffelbach F, Rieger J. Synthesis and Characterization of Temperature-Responsive N-Cyanomethylacrylamide-Containing Diblock Copolymer Assemblies in Water. Polymers (Basel) 2021; 13:4424. [PMID: 34960975 PMCID: PMC8707179 DOI: 10.3390/polym13244424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 01/31/2023] Open
Abstract
We have previously demonstrated that poly(N-cyanomethylacrylamide) (PCMAm) exhibits a typical upper-critical solution temperature (UCST)-type transition, as long as the molar mass of the polymer is limited, which was made possible through the use of reversible addition-fragmentation chain transfer (RAFT) radical polymerization. In this research article, we use for the first time N-cyanomethylacrylamide (CMAm) in a typical aqueous dispersion polymerization conducted in the presence of poly(N,N-dimethylacrylamide) (PDMAm) macroRAFT agents. After assessing that well-defined PDMAm-b-PCMAm diblock copolymers were formed through this aqueous synthesis pathway, we characterized in depth the colloidal stability, morphology and temperature-responsiveness of the dispersions, notably using cryo-transmission electron microscopy (cryo-TEM), dynamic light scattering (DLS), small angle X-ray scattering (SAXS) and turbidimetry. The combined analyses revealed that stable nanometric spheres, worms and vesicles could be prepared when the PDMAm block was sufficiently long. Concerning the thermoresponsiveness, only diblocks with a PCMAm block of a low degree of polymerization (DPn,PCMAm < 100) exhibited a UCST-type dissolution upon heating at low concentration. In contrast, for higher DPn,PCMAm, the diblock copolymer nano-objects did not disassemble. At sufficiently high temperatures, they rather exhibited a temperature-induced secondary aggregation of primary particles. In summary, we demonstrated that various morphologies of nano-objects could be obtained via a typical polymerization-induced self-assembly (PISA) process using PCMAm as the hydrophobic block. We believe that the development of this aqueous synthesis pathway of novel PCMAm-based thermoresponsive polymers will pave the way towards various applications, notably as thermoresponsive coatings and in the biomedical field.
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Affiliation(s)
- Nicolas Audureau
- Polymer Chemistry Team, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université & CNRS, UMR 8232, 4 Place Jussieu, CEDEX 05, 75252 Paris, France; (N.A.); (F.C.); (C.V.)
| | - Fanny Coumes
- Polymer Chemistry Team, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université & CNRS, UMR 8232, 4 Place Jussieu, CEDEX 05, 75252 Paris, France; (N.A.); (F.C.); (C.V.)
| | - Clémence Veith
- Polymer Chemistry Team, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université & CNRS, UMR 8232, 4 Place Jussieu, CEDEX 05, 75252 Paris, France; (N.A.); (F.C.); (C.V.)
| | - Clément Guibert
- Laboratoire de Réactivité de Surface (LRS), Sorbonne Université, CNRS, 4 Place Jussieu, CEDEX 05, 75252 Paris, France;
| | - Jean-Michel Guigner
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC)-IRD-MNHN, Sorbonne Université & CNRS, UMR 7590, CEDEX 05, 75252 Paris, France;
| | - François Stoffelbach
- Polymer Chemistry Team, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université & CNRS, UMR 8232, 4 Place Jussieu, CEDEX 05, 75252 Paris, France; (N.A.); (F.C.); (C.V.)
| | - Jutta Rieger
- Polymer Chemistry Team, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université & CNRS, UMR 8232, 4 Place Jussieu, CEDEX 05, 75252 Paris, France; (N.A.); (F.C.); (C.V.)
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Flemming P, Münch AS, Fery A, Uhlmann P. Constrained thermoresponsive polymers - new insights into fundamentals and applications. Beilstein J Org Chem 2021; 17:2123-2163. [PMID: 34476018 PMCID: PMC8381851 DOI: 10.3762/bjoc.17.138] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 08/10/2021] [Indexed: 12/15/2022] Open
Abstract
In the last decades, numerous stimuli-responsive polymers have been developed and investigated regarding their switching properties. In particular, thermoresponsive polymers, which form a miscibility gap with the ambient solvent with a lower or upper critical demixing point depending on the temperature, have been intensively studied in solution. For the application of such polymers in novel sensors, drug delivery systems or as multifunctional coatings, they typically have to be transferred into specific arrangements, such as micelles, polymer films or grafted nanoparticles. However, it turns out that the thermodynamic concept for the phase transition of free polymer chains fails, when thermoresponsive polymers are assembled into such sterically confined architectures. Whereas many published studies focus on synthetic aspects as well as individual applications of thermoresponsive polymers, the underlying structure-property relationships governing the thermoresponse of sterically constrained assemblies, are still poorly understood. Furthermore, the clear majority of publications deals with polymers that exhibit a lower critical solution temperature (LCST) behavior, with PNIPAAM as their main representative. In contrast, for polymer arrangements with an upper critical solution temperature (UCST), there is only limited knowledge about preparation, application and precise physical understanding of the phase transition. This review article provides an overview about the current knowledge of thermoresponsive polymers with limited mobility focusing on UCST behavior and the possibilities for influencing their thermoresponsive switching characteristics. It comprises star polymers, micelles as well as polymer chains grafted to flat substrates and particulate inorganic surfaces. The elaboration of the physicochemical interplay between the architecture of the polymer assembly and the resulting thermoresponsive switching behavior will be in the foreground of this consideration.
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Affiliation(s)
- Patricia Flemming
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - Alexander S Münch
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
| | - Andreas Fery
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - Petra Uhlmann
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
- University of Nebraska-Lincoln, NE 68588, Lincoln, USA
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10
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Zhu L, Liu K, Zheng S, Zhang X, Yan J, Li W, Zhang A. Upper Critical Solution Temperature-Type Responsive Cyclodextrins with Characteristic Inclusion Abilities. Chemistry 2021; 27:10470-10476. [PMID: 34008253 DOI: 10.1002/chem.202101283] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Indexed: 11/10/2022]
Abstract
Water-soluble and thermoresponsive macrocycles with stable inclusion toward guests are highly valuable to construct stimuli-responsive supramolecular materials for versatile applications. Here, we develop such macrocycles - ureido-substituted cyclodextrins (CDs) which exhibit unprecedented upper critical solution temperature (UCST) behavior in aqueous media. These novel CD derivatives showed good solubility in water at elevated temperature, but collapsed from water to form large coacervates upon cooling to low temperature. Their cloud points are greatly dependent on concentration and can be mediated through oxidation and chelation with silver ions. Significantly, the amphiphilicity of these CD derivatives is supportive to host-guest binding, which affords them inclusion abilities to guest dyes. The inclusion complexation remained nearly intact during thermally induced phase transitions, which is in contrast to the switchable inclusion behavior of lower critical solution temperature (LCST)-type CDs. Moreover, ureido-substituted CDs were exploited to co-encapsulate a pair of guest dyes whose fluorescence resonance energy transfer process can be switched by the UCST phase transition. We therefore believe these novel thermoresponsive CDs may form a new strategy for developing smart macrocycles and allow for exploring smart supramolecular materials.
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Affiliation(s)
- Li Zhu
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
| | - Kun Liu
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
| | - Shudong Zheng
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
| | - Xiacong Zhang
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
| | - Jiatao Yan
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
| | - Wen Li
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
| | - Afang Zhang
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Materials Building Room 801, Nanchen Street 380, Shanghai, 200444, P. R. China
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Li S, Fan Y, Liu Y, Niu S, Han Z, Ren L. Smart Bionic Surfaces with Switchable Wettability and Applications. JOURNAL OF BIONIC ENGINEERING 2021; 18:473-500. [PMID: 34131422 PMCID: PMC8193597 DOI: 10.1007/s42235-021-0038-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In order to satisfy the needs of different applications and more complex intelligent devices, smart control of surface wettability will be necessary and desirable, which gradually become a hot spot and focus in the field of interface wetting. Herein, we review interfacial wetting states related to switchable wettability on superwettable materials, including several classical wetting models and liquid adhesive behaviors based on the surface of natural creatures with special wettability. This review mainly focuses on the recent developments of the smart surfaces with switchable wettability and the corresponding regulatory mechanisms under external stimuli, which is mainly governed by the transformation of surface chemical composition and geometrical structures. Among that, various external stimuli such as physical stimulation (temperature, light, electric, magnetic, mechanical stress), chemical stimulation (pH, ion, solvent) and dual or multi-triggered stimulation have been sought out to realize the regulation of surface wettability. Moreover, we also summarize the applications of smart surfaces in different fields, such as oil/water separation, programmable transportation, anti-biofouling, detection and delivery, smart soft robotic etc. Furthermore, current limitations and future perspective in the development of smart wetting surfaces are also given. This review aims to offer deep insights into the recent developments and responsive mechanisms in smart biomimetic surfaces with switchable wettability under external various stimuli, so as to provide a guidance for the design of smart surfaces and expand the scope of both fundamental research and practical applications.
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Affiliation(s)
- Shuyi Li
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China
| | - Yuyan Fan
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China
| | - Yan Liu
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China
| | - Shichao Niu
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China
| | - Zhiwu Han
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China
| | - Luquan Ren
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China
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Cao J, Gao D, Li C, Si X, Jia J, Qi J. Bioinspired Metal-Intermetallic Laminated Composites for the Fabrication of Superhydrophobic Surfaces with Responsive Wettability. ACS APPLIED MATERIALS & INTERFACES 2021; 13:5834-5843. [PMID: 33464034 DOI: 10.1021/acsami.0c20639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Hundreds of copper and titanium foils were applied to prepare biomimetic metal-intermetallic laminated composites by diffusion bonding. The cross sections of the obtained diffusion bonded bulks were etched selectively with FeCl3 solution to get regular microarray structures. This kind of microstructure was controlled accurately and promptly by simple parameter adjustment. The etched surfaces were modified with 1-dodecanethiol, and the water contact angles (WCAs) were measured. The relationship between the microstructure and wettability of the achieved material was discussed, and the reason for the anisotropic wettability was also analyzed. Then etched surfaces were anodized in different electrolyte solutions to obtain different nanostructures. The morphology and chemical compositions of the surfaces were analyzed. The surfaces with CuO nanostructures by modification show superhydrophobicity with self-cleaning, on which the WCA and water sliding angle are 160.9° and 0.8°, respectively. The surfaces with TiO2 nanostructures without modification show ultraviolet light-responsive wettability. After modification with 11-mercaptoundecanoic acid and 1-decanethiol, the surfaces also exhibit pH-responsive wettability. The superhydrophobic surfaces with responsive wettability have potential applications in biotechnology and microfluidics.
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Affiliation(s)
- Jian Cao
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Dejun Gao
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Chun Li
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Xiaoqing Si
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Jianshu Jia
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Junlei Qi
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
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Jia YG, Chen KF, Gao M, Liu S, Wang J, Chen X, Wang L, Chen Y, Song W, Zhang H, Ren L, Zhu XX, Tang BZ. Visualizing phase transition of upper critical solution temperature (UCST) polymers with AIE. Sci China Chem 2020. [DOI: 10.1007/s11426-020-9893-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Okada K, Miura Y, Chiya T, Tokudome Y, Takahashi M. Thermo-responsive wettability via surface roughness change on polymer-coated titanate nanorod brushes toward fast and multi-directional droplet transport. RSC Adv 2020; 10:28032-28036. [PMID: 35519096 PMCID: PMC9055642 DOI: 10.1039/d0ra05471b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 07/15/2020] [Indexed: 01/13/2023] Open
Abstract
A novel approach for thermo-responsive wettability has been accomplished by surface roughness change induced by thermal expansion of paraffin coated on titanate nanostructures. The surface exhibits thermo-responsive and reversible wettability change in a hydrophobic regime; the surface shows superhydrophobicity with contact angles of ∼157° below 50 °C and ∼118° above 50 °C due to a decrease of surface roughness caused by thermally-expanded paraffin at higher temperatures. Reversible wettability change of ∼40° of a contact angle allows for fast and multi-directional droplet transport. The present approach affords a versatile selection of materials and wide variety of contact angles, promoting both scientific advancement and technology innovation in the field of smart surfaces.
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Affiliation(s)
- Kenji Okada
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University Sakai Osaka 599-8531 Japan
- JST, PRESTO 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Yoko Miura
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Tomoya Chiya
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Yasuaki Tokudome
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Masahide Takahashi
- Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University Sakai Osaka 599-8531 Japan
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