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Li X, Yu W, Yang J, Chen Y, Qian X, Wang J, Wang Y, Ji J. Microneedle patch with "spongy coating" to co-load multiple drugs to treat multidrug-resistant melanoma. Biomater Sci 2022; 10:6282-6290. [PMID: 36129142 DOI: 10.1039/d2bm01275h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Melanoma is the most aggressive skin malignancy that continues to increase in worldwide. The transferability and multidrug resistance lead to a high fatality rate. Synergistic administration of hydrophilic carboplatin (CBP) and hydrophobic vorinostat (SAHA) can be a reliable way to treat multidrug-resistant melanoma. However, the different physicochemical properties of multiple drugs make it difficult to achieve a convenient co-loading and an ideal synergistic treatment efficacy. To solve the problem, a microneedle patch with a porous "spongy coating" (PF-MNP) was fabricated. Firstly, (polyacrylic acid/polyethyleneimine)10 multilayers were fabricated on polymethyl methacrylate MNP. Then a "spongy coating" was achieved by acid treatment and freeze-drying. Due to the capillary effect, hydrophobic SAHA and hydrophilic CBP could be conveniently adsorbed step-by-step. The two drugs could distribute evenly on the surface, and the morphology of MNP remained good. The loading content of SAHA and CBP was easily regulated by adjusting the concentration of the adsorption solution, and MNP could quickly release most drugs within 30 min. The final in vivo experiments proved that CBP/SAHA co-loaded PF-MNP had the best therapeutic efficiency for multidrug-resistant melanoma. The MNP with a "spongy coating" showed potential to be a safe and efficient transdermal delivery platform for multiple drugs.
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Affiliation(s)
- Xinfang Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Weijiang Yu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Jingshuang Yang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Yonghang Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Xuedan Qian
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Jing Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Youxiang Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China.
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2
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Liang ZX, Li QS, Zhao ZK, Zhang D, Chen XC. Quenching the Macroporous Collapse of Polyelectrolyte Multilayer Films for Repeated Drug Loading. ACS OMEGA 2022; 7:13853-13860. [PMID: 35559176 PMCID: PMC9088898 DOI: 10.1021/acsomega.2c00204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/09/2022] [Indexed: 06/15/2023]
Abstract
Macroporous structures can be developed within polyelectrolyte multilayer films for efficient drug loading, but these structures tend to collapse or fracture during conventional drying procedures. Herein, a facile dehydrating method for macroporous polyelectrolyte multilayer films is proposed using solvent exchange to ethanol and then spontaneous evaporation. During these processes, the collapse of the macroporous structures can be effectively avoided, which can be ascribed to a combined effect of two factors. On one hand, capillary pressure during ethanol evaporation is relatively small since the surface tension of ethanol is much lower than that of water. On the other hand, solvent exchange suppresses the interdiffusion of polyelectrolytes and substantially increases the mechanical strength of the macroporous films, more than three orders of magnitude, making the pore walls highly tolerant of the capillary pressure. The stability of macroporous polyelectrolyte films to ethanol enables the repeated wicking from the ethanol solution of drugs, leading to a higher loading beyond previous studies. Such a high loading is favorable for the long-term release of drugs from the surfaces of modified substrates and maintaining a local drug concentration above the minimum effective concentration.
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3
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Sung C, Heo Y. Porous Layer-by-Layer Films Assembled Using Polyelectrolyte Blend to Control Wetting Properties. Polymers (Basel) 2021; 13:2116. [PMID: 34203206 PMCID: PMC8271915 DOI: 10.3390/polym13132116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 11/16/2022] Open
Abstract
Porous layer-by-layer (LbL) films have been employed for the implementation of superwetting surfaces, but they are limited to the LbL films consisting of only two oppositely charged polyelectrolytes. In this study, LbL films were assembled using a cationic polymer blend of branched poly(ethylene imine) (BPEI) and poly(allylamine hydrochloride) (PAH), and anionic poly(acrylic acid); they were then acid-treated at pH 1.8-2.0 to create a porous structure. The films of 100% BPEI exhibited a relatively smooth surface, whereas those of the 100% PAH exhibited porous surfaces. However, various surface morphologies were obtained when BPEI and PAH were blended. When coated with fluorinated silane, films with 50% and 100% PAH exhibited relatively higher water contact angles (WCAs). In particular, films with 50% PAH exhibited the highest WCA of 140-150° when treated at pH 1.8. These fluorinated films were further infused with lubricant oil to determine their feasibility as slippery surfaces. The water and oil sliding angles were in the range of 10-20° and 5-10°, respectively. Films prepared with the BPEI/PAH blend showed lower water slide angles than those prepared with 100% BPEI or PAH. Acid treatment of LbL films assembled using a polyelectrolyte blend can effectively control surface morphologies and can potentially be applied in superwetting.
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Affiliation(s)
- Choonghyun Sung
- Division of Advanced Materials Engineering, Dong-Eui University, Busan 47340, Korea;
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4
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Surface morphologies and wetting properties of layer-by-layer assembled films of polyelectrolytes with bimodal molecular weight distribution. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0545-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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5
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Gao A, Liao Q, Xie L, Wang G, Zhang W, Wu Y, Li P, Guan M, Pan H, Tong L, Chu PK, Wang H. Tuning the surface immunomodulatory functions of polyetheretherketone for enhanced osseointegration. Biomaterials 2019; 230:119642. [PMID: 31787332 DOI: 10.1016/j.biomaterials.2019.119642] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 11/14/2019] [Accepted: 11/19/2019] [Indexed: 12/31/2022]
Abstract
The adverse macrophage-mediated immune response elicited by the surface of polyetheretherketone (PEEK) is responsible for the formation of fibrous encapsulation and resulting inferior osseointegration of PEEK implants in the dental and orthopedic fields. Therefore, endowing the PEEK surface with immunomodulatory ability is an appealing strategy to enhance implant-bone integration. Herein, a reliable and cost-effective method to construct adherent films with tunable nanoporous structures on PEEK is described. The functionalized surface not only suppresses the acute inflammatory response of macrophages, but also provides a favorable milieu for osteogenic differentiation of human bone marrow mesenchymal stem cells (hBMSCs). Whole genome expression analysis reveals that the suppression effect arises from synergistic inhibition of focal adhesion, Toll-like receptor, and NOD-like receptor signaling pathways, as well as the attenuating loop through the JAK-STAT and TNF signaling pathways in macrophages. Further in vivo studies confirm that the functionalized surface induces less fibrous capsule formation and an improved bone regeneration. The nanoporous films fabricated on PEEK harmonize the early macrophage-mediated inflammatory response and subsequent hBMSCs-centered osteogenic functions consequently yielding superior osseointegration.
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Affiliation(s)
- Ang Gao
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China; Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China
| | - Qing Liao
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Lingxia Xie
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Guomin Wang
- Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China
| | - Wei Zhang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuzheng Wu
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Penghui Li
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China; Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China
| | - Min Guan
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Haobo Pan
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Liping Tong
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
| | - Paul K Chu
- Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China.
| | - Huaiyu Wang
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
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Zhang J, Wang D, Jiang L, Xia J, Bo M, Yao Z. Mussel‐inspired catechol‐based chemistry for direct construction of super‐hydrophilic and waterproof coatings on intrinsic hydrophobic surfaces. J Appl Polym Sci 2019. [DOI: 10.1002/app.48013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jianfu Zhang
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 People's Republic of China
- School of Chemistry and Environmental EngineeringChangchun University of Science and Technology Changchun 130022 People's Republic of China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry Changchun 130022 People's Republic of China
| | - Dan Wang
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 People's Republic of China
- School of Chemistry and Environmental EngineeringChangchun University of Science and Technology Changchun 130022 People's Republic of China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry Changchun 130022 People's Republic of China
| | - Liping Jiang
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 People's Republic of China
- School of Chemistry and Environmental EngineeringChangchun University of Science and Technology Changchun 130022 People's Republic of China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry Changchun 130022 People's Republic of China
| | - Jian Xia
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 People's Republic of China
- School of Chemistry and Environmental EngineeringChangchun University of Science and Technology Changchun 130022 People's Republic of China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry Changchun 130022 People's Republic of China
| | - Manjiang Bo
- School of Chemistry and Environmental EngineeringChangchun University of Science and Technology Changchun 130022 People's Republic of China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry Changchun 130022 People's Republic of China
| | - Zhanhai Yao
- State Key Laboratory of Polymer Physics and ChemistryChangchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 People's Republic of China
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7
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Chen XC, Huang WP, Hu M, Ren KF, Ji J. Controlling Structural Transformation of Polyelectrolyte Films for Spatially Encapsulating Functional Species. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1804867. [PMID: 30677229 DOI: 10.1002/smll.201804867] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/03/2019] [Indexed: 06/09/2023]
Abstract
Although many approaches have been developed to encapsulate functional species into polyelectrolyte films, few of them can effectively control the final distribution of these ones. Herein, a facile strategy is proposed to spatially control the encapsulation of guest species by locally regulating the structural transformation of polyelectrolyte films. Patterned porosity is created within a film by cross-linking it selectively and then immersing it in an acidic solution. These porous regions can exhibit significantly different properties from other regions, including the ability to wick solution, a greater retention of guest species, and the capability of structural transformation. After loading guest species, the porous structures can be eliminated at saturated humidity to encapsulate the guest species into the film, leading to their patterned distribution across the film. Based on this method, various guest species, ranging from fluorescent dyes to nanoparticles, can be locally encapsulated into polyelectrolyte film, forming distinct patterns of arbitrary shapes and sizes and thus paving the way for further applications.
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Affiliation(s)
- Xia-Chao Chen
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
| | - Wei-Pin Huang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
| | - Mi Hu
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
| | - Ke-Feng Ren
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027, Hangzhou, P. R. China
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8
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Wang Y, Zheng M, Wang X, Li S, Sun J. Polymers with a Coiled Conformation Enable Healing of Wide and Deep Damages in Polymeric Films. ACS APPLIED MATERIALS & INTERFACES 2018; 10:30716-30722. [PMID: 30112906 DOI: 10.1021/acsami.8b10277] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The development of efficient methods to trigger high mobility of polymer chains to migrate across the damaged areas is key for healing wide damages in intrinsic healable polymeric films deposited on solid substrates. Herein, we establish a facile strategy for the fabrication of polymeric films with a superhigh healing capability by controlling the conformational transition of the polymer chains in polymeric films. The alternately spin-coated poly(acrylic acid) (PAA)/polyurethane (PU) films with coiled PU can heal cuts with a width of 6 times the thickness of the PAA/PU films in the presence of ethanol. In contrast, the same PAA/PU films with stretched PU or those films with coiled PU but without conformational transition from a coiled state to a stretched state fail to heal cuts. The conformational transition of PU from a coiled state to a stretched state in PAA/PU films triggered by ethanol enables a long-distance migration of PAA and PU polymers to heal wide mechanical damages.
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Affiliation(s)
- Yan Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun 130012 , P. R. China
| | - Miao Zheng
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun 130012 , P. R. China
| | - Xu Wang
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , Jinan 250100 , P. R. China
| | - Siheng Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun 130012 , P. R. China
| | - Junqi Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun 130012 , P. R. China
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Zheng M, Long TJ, Chen XL, Sun JQ. Humidity-responsive Bilayer Actuators Comprised of Porous and Nonporous Poly(acrylic acid)/Poly(allylamine hydrochloride) Films. CHINESE JOURNAL OF POLYMER SCIENCE 2018. [DOI: 10.1007/s10118-018-2162-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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10
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Zhang W, Zhao Q, Yuan J. Porous Polyelectrolytes: The Interplay of Charge and Pores for New Functionalities. Angew Chem Int Ed Engl 2018; 57:6754-6773. [PMID: 29124842 PMCID: PMC6001701 DOI: 10.1002/anie.201710272] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Indexed: 01/27/2023]
Abstract
The past decade has witnessed rapid advances in porous polyelectrolytes and there is tremendous interest in their synthesis as well as their applications in environmental, energy, biomedicine, and catalysis technologies. Research on porous polyelectrolytes is motivated by the flexible choice of functional organic groups and processing technologies as well as the synergy of the charge and pores spanning length scales from individual polyelectrolyte backbones to their nano-/micro-superstructures. This Review surveys recent progress in porous polyelectrolytes including membranes, particles, scaffolds, and high surface area powders/resins as well as their derivatives. The focus is the interplay between surface chemistry, Columbic interaction, and pore confinement that defines new chemistry and physics in such materials for applications in energy conversion, molecular separation, water purification, sensing/actuation, catalysis, tissue engineering, and nanomedicine.
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Affiliation(s)
- Weiyi Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074China
- Department of Chemistry & Biomolecular Science, Center for Advanced Materials ProcessingClarkson UniversityPotsdamNY13699-5814USA
| | - Qiang Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074China
| | - Jiayin Yuan
- Department of Chemistry & Biomolecular Science, Center for Advanced Materials ProcessingClarkson UniversityPotsdamNY13699-5814USA
- Department of Materials and Environmental Chemistry (MMK)Stockholm University10691StockholmSweden
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11
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Zhang W, Zhao Q, Yuan J. Poröse Polyelektrolyte: Zusammenspiel zwischen Poren und Ladung für neue Funktionen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201710272] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Weiyi Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; Wuhan 430074 China
- Department of Chemistry & Biomolecular Science, Center for Advanced Materials Processing; Clarkson University; Potsdam NY 13699-5814 USA
| | - Qiang Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; Wuhan 430074 China
| | - Jiayin Yuan
- Department of Chemistry & Biomolecular Science, Center for Advanced Materials Processing; Clarkson University; Potsdam NY 13699-5814 USA
- Department of Materials and Environmental Chemistry (MMK); Stockholm University; 10691 Stockholm Schweden
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12
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Zhao X, Gao W, Yao W, Jiang Y, Xu Z, Gao C. Ion Diffusion-Directed Assembly Approach to Ultrafast Coating of Graphene Oxide Thick Multilayers. ACS NANO 2017; 11:9663-9670. [PMID: 28850779 DOI: 10.1021/acsnano.7b03480] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The layer-by-layer (LbL) assembly approach has been widely used to fabricate multilayer coatings on substrates with multiple cycles, whereas it is hard to access thick films efficiently. Here, we developed an ion diffusion-directed assembly (IDDA) strategy to rapidly make multilayer thick coatings in one step on arbitrary substrates. To achieve multifunctional coatings, graphene oxide (GO) and metallic ions were selected as the typical building blocks and diffusion director in IDDA, respectively. With diffusion of metallic ions from substrate to negatively charged GO dispersion spontaneously (i.e., from high-concentration region to low-concentration region), GO was assembled onto the substrate sheet-by-sheet via sol-gel transformation. Because metallic ions with size of subnanometers can diffuse directionally and freely in the aqueous dispersion, GO was coated on the substrate efficiently, giving rise to films with desired thickness up to 10 μm per cycle. The IDDA approach shows three main merits: (1) high efficiency with a μm-scale coating rate; (2) controllability over thickness and evenness; and (3) generality for substrates of plastics, metals and ceramics with any shapes and morphologies. With these merits, IDDA strategy was utilized in the efficient fabrication of functional graphene coatings that exhibit outstanding performance as supercapacitors, electromagnetic interference shielding textiles, and anticorrosion coatings. This IDDA approach can be extended to other building blocks including polymers and colloidal nanoparticles, promising for the scalable production and application of multifunctional coatings.
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Affiliation(s)
- Xiaoli Zhao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province, Zhejiang University , 38 Zheda Road, Hangzhou 310027, P. R. China
| | - Weiwei Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province, Zhejiang University , 38 Zheda Road, Hangzhou 310027, P. R. China
| | - Weiquan Yao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province, Zhejiang University , 38 Zheda Road, Hangzhou 310027, P. R. China
| | - Yanqiu Jiang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province, Zhejiang University , 38 Zheda Road, Hangzhou 310027, P. R. China
| | - Zhen Xu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province, Zhejiang University , 38 Zheda Road, Hangzhou 310027, P. R. China
| | - Chao Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province, Zhejiang University , 38 Zheda Road, Hangzhou 310027, P. R. China
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Su C, Sun J, Zhang X, Shen D, Yang S. Hydrogen-Bonded Polymer Complex Thin Film of Poly(2-oxazoline) and Poly(acrylic acid). Polymers (Basel) 2017; 9:E363. [PMID: 30971038 PMCID: PMC6418716 DOI: 10.3390/polym9080363] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/09/2017] [Accepted: 08/11/2017] [Indexed: 01/02/2023] Open
Abstract
The hydrogen-bonded polymer complex thin film of poly(2-ethyl-2-oxazoline) (PEOX) and poly(acrylic acid) (PAA) was fabricated with layer-by-layer (LbL) assembly. The film shows exponential growth at early stage and transfers to linear growth after 10 assembling cycles, and the stable thickness increment per assembling cycle in the linear region could be higher than 100 nm. The film growth should be related with polymer chain diffusion during LbL assembly. The effects of assembling time, rinsing time, temperature, pH value, concentration and molecular weight on the thin film growth were investigated. Increasing the assembly time, the temperature and the concentration is favorable to produce the thick film. Prolonging rinsing time is good for preparing smooth film. The film can be constructed below pH 4.5 while the prepared film will not completely dissolve until pH value elevates to 7.0. Molecular weight has a subtle effect on the PEOX/PAA film growth. The PEOX-PAA pair that has a big molecular weight contrast shows fast film growth in the linear region.
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Affiliation(s)
- Chao Su
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Jiaxing Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Xuejian Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Duan Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China.
| | - Shuguang Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China.
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Yu J, Han S, Hong JS, Sanyal O, Lee I. Synchronous Generation of Nano- and Microscaled Hierarchical Porous Polyelectrolyte Multilayers for Superwettable Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:8494-500. [PMID: 27472150 DOI: 10.1021/acs.langmuir.6b01798] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
We created both a superhydrophilic polymer surface and a superhydrophobic surface by using the poly(acrylic acid) (PAA)/poly(allylamine hydrochloride) (PAH) multilayers with the synchronously generated hierarchical porous surface structures. The formation of surface and pore structures induced at acidic pH values is subject to the composition, distribution, and molecular weights of polyelectrolytes in the layer-by-layer (LbL) assembled film, leading to a variety of unique surface topographies and porous structures located on different scales. During the porous induction at pH 2.0, both nano- and microscaled features synchronously developed on the surface as a result of the unique combination of high-molecular-weight PAH (900K g/mol) and low molecular weight PAA (15K g/mol), along with a much reduced deposition time of 1 min. Although thermally cross-linked, the porous surface with hierarchical structure could achieve superhydrophilicity due to the remaining free amine and carboxylate groups on the porous structures. A complete switch from the superhydrophilic to the superhydrophobic surface was achieved via a simple chemical vapor deposition of trichloro(1H,1H,2H,2H-perfluoro-octyl)silane. In this work, the effects of molecular weight of polyelectrolytes (15K-900K g/mol), deposition time (10-900 s) during the LbL assembly, and pH (1.8 to 2.4) for the porous induction on the surface topography, pore structures, and wetting behavior were investigated in detail. A variety of unique porous surface structures on different length scales were systematically studied by controlling the above parameters.
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Affiliation(s)
- Jing Yu
- Department of Chemical Engineering and Materials Science, Michigan State University, Michigan State University , East Lansing, Michigan 48824, United States
| | - Songyang Han
- Department of Chemical Engineering and Materials Science, Michigan State University, Michigan State University , East Lansing, Michigan 48824, United States
| | - Joung Sook Hong
- Department of Chemical Engineering and Materials Science, Michigan State University, Michigan State University , East Lansing, Michigan 48824, United States
| | - Oishi Sanyal
- Department of Chemical Engineering and Materials Science, Michigan State University, Michigan State University , East Lansing, Michigan 48824, United States
| | - Ilsoon Lee
- Department of Chemical Engineering and Materials Science, Michigan State University, Michigan State University , East Lansing, Michigan 48824, United States
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15
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Chen XC, Ren KF, Lei WX, Zhang JH, Martins MCL, Barbosa MA, Ji J. Self-Healing Spongy Coating for Drug "Cocktail" Delivery. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4309-13. [PMID: 26844588 DOI: 10.1021/acsami.5b11602] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Optimized ratio in the codelivery of therapeutics is of crucial importance to promote the synergism rather than the antagonistic effects. In this study, a self-healing spongy coating was described to facilitate the surface-mediated delivery of drug "cocktails" proportionally. The formation of spongy structures within the coating was achieved by acidic treatment and freeze-drying. Various drug combinations can be readily integrated through wicking method and subsequent micropore self-healing. The ratio of drug loading can be precisely regulated by the composition of loading solution and the embedded drugs were released in proportion according to the initial ratio of drug combination.
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Affiliation(s)
- Xia-chao Chen
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Ke-feng Ren
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Wen-xi Lei
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Jia-hui Zhang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - M Cristina L Martins
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto , Porto 4200-135, Portugal
- INEB-Instituto de Engenharia Biomédica, Universidade do Porto , Rua do Campo Alegre, 823, Porto 4150-180, Portugal
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto , Porto 4050-313, Portugal
| | - Mário A Barbosa
- INEB-Instituto de Engenharia Biomédica, Universidade do Porto , Rua do Campo Alegre, 823, Porto 4150-180, Portugal
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto , Porto 4050-313, Portugal
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
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16
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Chen XC, Ren KF, Chen JY, Wang J, Zhang H, Ji J. Self-wrinkling polyelectrolyte multilayers: construction, smoothing and the underlying mechanism. Phys Chem Chem Phys 2016; 18:31168-31174. [DOI: 10.1039/c6cp05419f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The spontaneous formation of these surface features can be attributed to swelling-induced film deformation during the assembling process.
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Affiliation(s)
- Xia-chao Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Ke-feng Ren
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Jia-yan Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Jing Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - He Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
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17
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Yu J, Sanyal O, Izbicki AP, Lee I. Development of Layered Multiscale Porous Thin Films by Tuning Deposition Time and Molecular Weight of Polyelectrolytes. Macromol Rapid Commun 2015; 36:1669-74. [PMID: 26178810 DOI: 10.1002/marc.201500250] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 06/01/2015] [Indexed: 11/11/2022]
Abstract
This work focuses on the design of porous polymeric films with nano- and micro-sized pores existing in distinct zones. The porous thin films are fabricated by the post-treatment of layer-by-layer assembled poly(allylamine hydrochloride) (PAH)/poly(acrylic acid) (PAA) multilayers. In order to improve the processing efficiency, the deposition time is shortened to ≈ 10 s. It is found that fine porous structures can be created even by significantly reducing the processing time. The effect of using polyelectrolytes with widely different molecular weights is also studied. The pore size is increased by using high molecular weight PAH, while high molecular weight PAA minimizes the pore size to nanometer scale. Having gained a precise control over the pore size, layered multiscale porous thin films are further built up with either a microsized porous zone on top of a nanosized porous zone or vice versa.
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Affiliation(s)
- Jing Yu
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI, 48824, USA
| | - Oishi Sanyal
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI, 48824, USA
| | - Andrew P Izbicki
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI, 48824, USA
| | - Ilsoon Lee
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI, 48824, USA
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