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Radmanesh F, Tena A, Sudhölter EJR, Hempenius MA, Benes NE. Nonaqueous Interfacial Polymerization-Derived Polyphosphazene Films for Sieving or Blocking Hydrogen Gas. ACS APPLIED POLYMER MATERIALS 2023; 5:1955-1964. [PMID: 36935655 PMCID: PMC10012169 DOI: 10.1021/acsapm.2c02022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
A series of cyclomatrix polyphosphazene films have been prepared by nonaqueous interfacial polymerization (IP) of small aromatic hydroxyl compounds in a potassium hydroxide dimethylsulfoxide solution and hexachlorocyclotriphosphazene in cyclohexane on top of ceramic supports. Via the amount of dissolved potassium hydroxide, the extent of deprotonation of the aromatic hydroxyl compounds can be changed, in turn affecting the molecular structure and permselective properties of the thin polymer networks ranging from hydrogen/oxygen barriers to membranes with persisting hydrogen permselectivities at high temperatures. Barrier films are obtained with a high potassium hydroxide concentration, revealing permeabilities as low as 9.4 × 10-17 cm3 cm cm-2 s-1 Pa-1 for hydrogen and 1.1 × 10-16 cm3 cm cm-2 s-1 Pa-1 for oxygen. For films obtained with a lower concentration of potassium hydroxide, single gas permeation experiments reveal a molecular sieving behavior, with a hydrogen permeance of around 10-8 mol m-2 s-1 Pa-1 and permselectivities of H2/N2 (52.8), H2/CH4 (100), and H2/CO2 (10.1) at 200 °C.
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Affiliation(s)
- Farzaneh Radmanesh
- Membrane
Science and Technology Cluster, Faculty of Science and Technology,
MESA Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Alberto Tena
- The
European Membrane Institute Twente, Faculty of Science and Technology, University of Twente,
P.O. Box 217, 7500 AE Enschede, The Netherlands
- Surfaces
and Porous Materials (SMAP), Associated Research Unit to CSIC, UVainnova
Bldg, Po de Belén 11 and Institute of Sustainable Processes
(ISP), Dr. Mergelina S/n, University of
Valladolid, 47071 Valladolid, Spain
| | - Ernst J. R. Sudhölter
- Membrane
Science and Technology Cluster, Faculty of Science and Technology,
MESA Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
- Organic
Materials & Interfaces, Department of Chemical Engineering, Faculty
of Applied Sciences, Delft University of
Technology, 2629 HZ Delft, The Netherlands
| | - Mark A. Hempenius
- Sustainable
Polymer Chemistry, Faculty of Science and Technology, MESA Institute for Nanotechnology, University
of Twente, P.O. Box 217, 7500, AE Enschede, The Netherlands
| | - Nieck E. Benes
- Membrane
Science and Technology Cluster, Faculty of Science and Technology,
MESA Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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Lee DU, Kim SC, Choi DY, Jung WK, Moon MJ. Basic amino acid-mediated cationic amphiphilic surfaces for antimicrobial pH monitoring sensor with wound healing effects. Biomater Res 2023; 27:14. [PMID: 36800989 PMCID: PMC9936651 DOI: 10.1186/s40824-023-00355-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 02/12/2023] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND The wound healing process is a complex cascade of physiological events, which are vulnerable to both our body status and external factors and whose impairment could lead to chronic wounds or wound healing impediments. Conventional wound healing materials are widely used in clinical management, however, they do not usually prevent wounds from being infected by bacteria or viruses. Therefore, simultaneous wound status monitoring and prevention of microbial infection are required to promote healing in clinical wound management. METHODS Basic amino acid-modified surfaces were fabricated in a water-based process via a peptide coupling reaction. Specimens were analyzed and characterized by X-ray photoelectron spectroscopy, Kelvin probe force microscopy, atomic force microscopy, contact angle, and molecular electrostatic potential via Gaussian 09. Antimicrobial and biofilm inhibition tests were conducted on Escherichia coli and Staphylococcus epidermidis. Biocompatibility was determined through cytotoxicity tests on human epithelial keratinocytes and human dermal fibroblasts. Wound healing efficacy was confirmed by mouse wound healing and cell staining tests. Workability of the pH sensor on basic amino acid-modified surfaces was evaluated on normal human skin and Staphylococcus epidermidis suspension, and in vivo conditions. RESULTS Basic amino acids (lysine and arginine) have pH-dependent zwitterionic functional groups. The basic amino acid-modified surfaces had antifouling and antimicrobial properties similar to those of cationic antimicrobial peptides because zwitterionic functional groups have intrinsic cationic amphiphilic characteristics. Compared with untreated polyimide and modified anionic acid (leucine), basic amino acid-modified polyimide surfaces displayed excellent bactericidal, antifouling (reduction ~ 99.6%) and biofilm inhibition performance. The basic amino acid-modified polyimide surfaces also exhibited wound healing efficacy and excellent biocompatibility, confirmed by cytotoxicity and ICR mouse wound healing tests. The basic amino acid-modified surface-based pH monitoring sensor was workable (sensitivity 20 mV pH-1) under various pH and bacterial contamination conditions. CONCLUSION Here, we developed a biocompatible and pH-monitorable wound healing dressing with antimicrobial activity via basic amino acid-mediated surface modification, creating cationic amphiphilic surfaces. Basic amino acid-modified polyimide is promising for monitoring wounds, protecting them from microbial infection, and promoting their healing. Our findings are expected to contribute to wound management and could be expanded to various wearable healthcare devices for clinical, biomedical, and healthcare applications.
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Affiliation(s)
- Dong Uk Lee
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon, 38822, Republic of Korea
- Department of Industrial Chemistry, Pukyong National University, Busan, 48513, Republic of Korea
| | - Se-Chang Kim
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-Senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan, 48513, Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Korea
| | - Dong Yun Choi
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon, 38822, Republic of Korea.
| | - Won-Kyo Jung
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-Senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan, 48513, Korea.
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Korea.
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea.
| | - Myung Jun Moon
- Department of Industrial Chemistry, Pukyong National University, Busan, 48513, Republic of Korea.
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Tao L, He J, Arbaugh T, McCutcheon JR, Li Y. Machine learning prediction on the fractional free volume of polymer membranes. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2022.121131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Shu C, Wu X, Zhong M, Wang S, Yan D, Huang W. Synthesis and properties of polyimides from a diamine containing side diphenylphosphine oxide and trifluoromethyl groups. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-02998-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Yang J, Tao L, He J, McCutcheon JR, Li Y. Machine learning enables interpretable discovery of innovative polymers for gas separation membranes. SCIENCE ADVANCES 2022; 8:eabn9545. [PMID: 35857839 PMCID: PMC9299556 DOI: 10.1126/sciadv.abn9545] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 06/07/2022] [Indexed: 05/21/2023]
Abstract
Polymer membranes perform innumerable separations with far-reaching environmental implications. Despite decades of research, design of new membrane materials remains a largely Edisonian process. To address this shortcoming, we demonstrate a generalizable, accurate machine learning (ML) implementation for the discovery of innovative polymers with ideal performance. Specifically, multitask ML models are trained on experimental data to link polymer chemistry to gas permeabilities of He, H2, O2, N2, CO2, and CH4. We interpret the ML models and extract valuable insights into the contributions of different chemical moieties to permeability and selectivity. We then screen over 9 million hypothetical polymers and identify thousands that lie well above current performance upper bounds, including hundreds of never-before-seen ultrapermeable polymer membranes with O2 and CO2 permeability greater than 104 and 105 Barrers, respectively. High-fidelity molecular dynamics simulations confirm the ML-predicted gas permeabilities of the promising candidates, which suggests that many can be translated to reality.
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Affiliation(s)
- Jason Yang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Lei Tao
- Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Jinlong He
- Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Jeffrey R. McCutcheon
- Department of Chemical & Biomolecular Engineering, Center for Environmental Sciences and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Ying Li
- Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269, USA
- Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
- Corresponding author.
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Zheng C, Huang W, Zou Y, Huang W, Fei P, Zhang G. Fabrication of phenylalanine amidated pectin using ultra-low temperature enzymatic method and its hydrogel properties in drug sustained release application. Int J Biol Macromol 2022; 216:263-271. [PMID: 35788006 DOI: 10.1016/j.ijbiomac.2022.06.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/18/2022] [Accepted: 06/26/2022] [Indexed: 11/05/2022]
Abstract
In this study, pectin was modified with phenylalanine by ultra-low temperature enzymatic method to improve its gel properties. The grafting ratio of phenylalanine amidated pectin was studied under different reaction conditions. The highest value (29.21 %) was reached a reaction temperature of -5 °C and time of 12 h. Further analysis indicated that phenylalanine and high methoxyl pectin combined at the solid-liquid two phase interface under the catalysis of papain to form phenylalanine amidated pectin. Moreover, the physicochemical properties of pectin hydrogel and its feasibility as a sustained-release drug carrier were discussed. The results showed that phenylalanine amidated pectin can form hydrogel with a certain strength under acidic conditions, and there is no need to add a lot of soluble solids and divalent cations. Besides, the phenylalanine amidated pectin hydrogel as a sustained release carrier of drugs showed more sustained and complete drug release.
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Affiliation(s)
- Chenmin Zheng
- The Engineering Technological Center of Mushroom Industry, School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Wanping Huang
- The Engineering Technological Center of Mushroom Industry, School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Yuping Zou
- The Engineering Technological Center of Mushroom Industry, School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Wensi Huang
- The Engineering Technological Center of Mushroom Industry, School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Peng Fei
- The Engineering Technological Center of Mushroom Industry, School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China.
| | - Guoguang Zhang
- The Engineering Technological Center of Mushroom Industry, School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China.
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7
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Effect of simultaneously introduced bulky pendent group and amide unit on optical transparency and dimensional stability of polyimide film. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jiao L, Du Z, Dai X, Wang H, Dong Z, Yao H, Qiu X. Based on rigid xanthone group and hydrogen bonding to construct polyimide films with low coefficient of thermal expansion, high temperature resistance, and fluorescent property. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Jian P, Muhammad T, Wei A, Wu B, Zhou T. A membrane-protected microsolid phase-extraction method based on molecular imprinting and its application to the determination of local anesthetics in cosmetics. J Sep Sci 2022; 45:2675-2686. [PMID: 35544325 DOI: 10.1002/jssc.202200012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 04/28/2022] [Accepted: 05/09/2022] [Indexed: 11/11/2022]
Abstract
As local anesthetics (LAs) that are illegally added into cosmetics are harmful to consumer health, it is necessary to establish an efficient method for detecting these substances. Herein, a molecularly imprinted polymer (bupivacaine) was prepared by bulk polymerization and packed into a hollow fiber for use as an extraction phase to fabricate a membrane-protected microsolid phase-extraction device. The optimal values of the influencing parameters for the microextraction process were as follows: a sample solution pH of 9.0, a loading and washing time of 2 h and an elution time of 32 min. A GC-MS method was established for determination of local anesthetics and coupled with the microextraction method to successfully detect local anesthetics in cosmetic samples. The calibration curve for the proposed method was linear in the range of 0.4∼50 mg/L and showed a good correlation coefficient (r2 ). The LODs for local anesthetics were in the range of 0.01∼0.71 mg/L. The molecularly imprinted polymer exhibited good imprinting and selectivity, and the microsolid phase-extraction device was simple and inexpensive and fabrication was reproducible. The combination of molecular imprinting technology, membrane separation and microsolid phase-extraction methods used in this study can potentially be applied to pretreat local anesthetics in cosmetic samples. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Pengli Jian
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Turghun Muhammad
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Aixia Wei
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Beibei Wu
- Key laboratory of Enhanced Oil Recovery for Fractured Vuggy Reservoirs, Sinopec, Urumqi, 830011, P. R. China
| | - Tiantian Zhou
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
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Jiao L, Zhang Y, Du Z, Dai X, Wang H, Dong Z, Yao H, Qiu X. Ultra‐high
T
g
and ultra‐low coefficient of thermal expansion polyimide films based on hydrogen bond interaction. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Long Jiao
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
- University of Science and Technology of China Hefei China
| | - Yanna Zhang
- The 39th Research Institute of China Electronics Technology Group Corporation Xi'an China
| | - Zhijun Du
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
| | - Xuemin Dai
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
| | - Hanfu Wang
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
| | - Zhixin Dong
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
| | - Haibo Yao
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
- University of Science and Technology of China Hefei China
| | - Xuepeng Qiu
- CAS Key Laboratory of High‐Performance Synthetic Rubber and Its Composite Materials Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun China
- University of Science and Technology of China Hefei China
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Multifunctional polyimide films with superheat-resistance, low coefficient of thermal expansion and fluorescence performance. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124792] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Zhong M, Wu X, Shu C, Wang Y, Huang X, Huang W. Organosoluble polyimides with low dielectric constant prepared from an asymmetric diamine containing bulky m-trifluoromethyl phenyl group. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.105065] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Gas barrier properties of furan-based polyester films analyzed experimentally and by molecular simulations. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124200] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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