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Rekik SB, Gassara S, Deratani A. Green Fabrication of Sustainable Porous Chitosan/Kaolin Composite Membranes Using Polyethylene Glycol as a Porogen: Membrane Morphology and Properties. MEMBRANES 2023; 13:378. [PMID: 37103805 PMCID: PMC10143062 DOI: 10.3390/membranes13040378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/14/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
One of the major challenges in membrane manufacturing today is to reduce the environmental footprint by promoting biobased raw materials and limiting the use of toxic solvents. In this context, environmentally friendly chitosan/kaolin composite membranes, prepared using phase separation in water induced by a pH gradient, have been developed. Polyethylene glycol (PEG) with a molar mass ranging from 400 to 10,000 g·mol-1 was used as a pore forming agent. The addition of PEG to the dope solution strongly modified the morphology and properties of the formed membranes. These results indicated that PEG migration induced the formation of a network of channels promoting the penetration of the non-solvent during the phase separation process, resulting in an increase in porosity and the formation of a finger-like structure surmounted by a denser structure of interconnected pores of 50-70 nm in diameter. The hydrophilicity of the membrane surface increased likely related to PEG trapping in the composite matrix. Both phenomena were more marked as the PEG polymer chain was longer, resulting in a threefold improvement in filtration properties.
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Affiliation(s)
- Sonia Bouzid Rekik
- Institut Européen des membranes, IEM, UMR-5635, ENSCM, CNRS, Université Montpellier, 34095 Montpellier, France
- Bioengineering, Tissues and Neuroplasticity, EA 7377, Faculté de Santé, EPISEN, Université Paris-Est Créteil, 8 rue du Général Sarrail, 94010 Créteil, France
| | - Sana Gassara
- Institut Européen des membranes, IEM, UMR-5635, ENSCM, CNRS, Université Montpellier, 34095 Montpellier, France
| | - André Deratani
- Institut Européen des membranes, IEM, UMR-5635, ENSCM, CNRS, Université Montpellier, 34095 Montpellier, France
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Zhang Y, Ma M, Chen L, Du X, Meng Z, Zhang H, Zheng Z, Chen J, Meng Q. A Biocompatible Liquid Pillar[n]arene-Based Drug Reservoir for Topical Drug Delivery. Pharmaceutics 2022; 14:pharmaceutics14122621. [PMID: 36559115 PMCID: PMC9783689 DOI: 10.3390/pharmaceutics14122621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Advanced external preparations that possess a sustained-release effect and integrate few irritant elements are urgently needed to satisfy the special requirements of topical administration in the clinic. Here, a series of liquid pillar[n]arene-bearing varying-length oligoethylene oxide chains (OEPns) were designed and synthesized. Following rheological property and biocompatibility investigations, pillar[6]arene with triethylene oxide substituents (TEP6) with satisfactory cavity size were screened as optimal candidate compounds. Then, a supramolecular liquid reservoir was constructed from host-guest complexes between TEP6 and econazole nitrate (ECN), an external antimicrobial agent without additional solvents. In vitro drug-release studies revealed that complexation by TEP6 could regulate the release rate of ECN and afford effective cumulative amounts. In vivo pharmacodynamic studies confirmed the formation of a supramolecular liquid reservoir contributed to the accelerated healing rate of a S. aureus-infected mouse wound model. Overall, these findings have provided the first insights into the construction of a supramolecular liquid reservoir for topical administration.
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Affiliation(s)
- Yahan Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Mengke Ma
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Longming Chen
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Xinbei Du
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Zhao Meng
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Han Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Zhibing Zheng
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
- Correspondence: (Z.Z.); (J.C.); (Q.M.)
| | - Junyi Chen
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
- Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Ministry of Education, Tianjin Normal University, Tianjin 300387, China
- Correspondence: (Z.Z.); (J.C.); (Q.M.)
| | - Qingbin Meng
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
- Correspondence: (Z.Z.); (J.C.); (Q.M.)
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Han SY, Yu DM, Mo YH, Ahn SM, Lee JY, Kim TH, Yoon SJ, Hong S, Hong YT, So S. Ion exchange capacity controlled biphenol-based sulfonated poly(arylene ether sulfone) for polymer electrolyte membrane water electrolyzers: Comparison of random and multi-block copolymers. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119370] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ruiz-Cantu L, F Trindade G, Taresco V, Zhou Z, He Y, Burroughs L, Clark EA, Rose FRAJ, Tuck C, Hague R, Roberts CJ, Alexander M, Irvine DJ, Wildman RD. Bespoke 3D-Printed Polydrug Implants Created via Microstructural Control of Oligomers. ACS APPLIED MATERIALS & INTERFACES 2021; 13:38969-38978. [PMID: 34399054 DOI: 10.1021/acsami.1c07850] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Controlling the microstructure of materials by means of phase separation is a versatile tool for optimizing material properties. Phase separation has been exploited to fabricate intricate microstructures in many fields including cell biology, tissue engineering, optics, and electronics. The aim of this study was to use phase separation to tailor the spatial location of drugs and thereby generate release profiles of drug payload over periods ranging from 1 week to months by exploiting different mechanisms: polymer degradation, polymer diluent dissolution, and control of microstructure. To achieve this, we used drop-on-demand inkjet three-dimensional (3D) printing. We predicted the microstructure resulting from phase separation using high-throughput screening combined with a model based on the Flory-Huggins interaction parameter and were able to show that drug release from 3D-printed objects can be predicted from observations based on single drops of mixtures. We demonstrated for the first time that inkjet 3D printing yields controllable phase separation using picoliter droplets of blended photoreactive oligomers/monomers. This new understanding gives us hierarchical compositional control, from droplet to device, allowing release to be "dialled up" without manipulation of device geometry. We exemplify this approach by fabricating a biodegradable, long-term, multiactive drug delivery subdermal implant ("polyimplant") for combination therapy and personalized treatment of coronary heart disease. This is an important advance for implants that need to be delivered by cannula, where the shape is highly constrained and thus the usual geometrical freedoms associated with 3D printing cannot be easily exploited, which brings a hitherto unseen level of understanding to emergent material properties of 3D printing.
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Affiliation(s)
- Laura Ruiz-Cantu
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | | | - Vincenzo Taresco
- School of Chemistry, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Zuoxin Zhou
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Yinfeng He
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | | | - Elizabeth A Clark
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | | | - Christopher Tuck
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Richard Hague
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Clive J Roberts
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Morgan Alexander
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Derek J Irvine
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
| | - Ricky D Wildman
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, U.K
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Elbadawi M. Rheological and Mechanical Investigation into the Effect of Different Molecular Weight Poly(ethylene glycol)s on Polycaprolactone-Ciprofloxacin Filaments. ACS OMEGA 2019; 4:5412-5423. [PMID: 31459706 PMCID: PMC6648292 DOI: 10.1021/acsomega.8b03057] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 02/19/2019] [Indexed: 06/10/2023]
Abstract
Fused deposition fabrication (FDF) three-dimensional printing is a potentially transformative technology for fabricating pharmaceuticals. The state-of-the-art technology is still in its infancy and requires a concerted effort to realize its potential. One aspect includes the processing parameters of FDF and the effect of formulation thereto, which, to date, have not been thoroughly investigated. To progress understanding, the effect of different molecular weight poly(ethylene glycol)s (PEG) on polycaprolactone (PCL) loaded with ciprofloxacin (CIP) was investigated. A rheometer was used, and adapted accordingly, to analyze three processing aspects pertaining to FDF: viscosity, solidification, and adhesion. The results revealed that both CIP and PEG affected all three processing parameters. The salient findings were that the ternary blend with 10% w/w PEG 8000 exhibited rheological and adhesive properties ideal for FDF, as it provided a desirably shear-thinning filament that solidified rapidly, and improved the adhesion strength, in comparison to both the PCL-CIP binary blend and other ternary blends. In contrast, the ternary blend with 15% w/w PEG 200 was unfavorable; despite having a greater plasticizing effect, whereby the viscosity was markedly reduced, the sample provided no benefit to the solidification behavior of PCL-CIP and, in addition, failed to display adhesive behavior, which is a necessity for a successful print in FDF. The original findings herein set the precedent that the effect of drug and PEG on FDF processing should be considered beyond solely modifying the viscosity.
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Affiliation(s)
- Mohammed Elbadawi
- Control Engineering Group,
Department of Computer Science, Electrical and Space Engineering, Luleå University of Technology, SE-97187 Luleå, Sweden
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Yu J, Wang M, Hu J, Wang J, Wu G, Qian C, Wang X, Zhang Y, Wang H. The enhanced dyeability of aromatic polysulfonamide fibers using γ‐ray irradiation‐induced graft polymerization. POLYM ENG SCI 2018. [DOI: 10.1002/pen.24974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jinchao Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and Engineering, Donghua University Shanghai 201620 China
| | - Minglei Wang
- Shanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai 201800 China
| | - Jiangtao Hu
- Shanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai 201800 China
| | - Jianning Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and Engineering, Donghua University Shanghai 201620 China
| | - Guozhong Wu
- Shanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai 201800 China
| | - Chunfang Qian
- Shanghai Tanlon Fiber Co. Ltd. Shanghai 201419 China
| | - Xiaofeng Wang
- Shanghai Tanlon Fiber Co. Ltd. Shanghai 201419 China
| | - Yumei Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and Engineering, Donghua University Shanghai 201620 China
| | - Huaping Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and Engineering, Donghua University Shanghai 201620 China
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Preparation of plasticized poly (lactic acid) and its influence on the properties of composite materials. PLoS One 2018; 13:e0193520. [PMID: 29494654 PMCID: PMC5832258 DOI: 10.1371/journal.pone.0193520] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 02/13/2018] [Indexed: 12/02/2022] Open
Abstract
Plasticized poly (lactic acid) (PPLA) was prepared by melt blending poly (lactic acid) (PLA) with 10 wt% of poly (ethylene glycol) (PEG), with varied molecular weights range from 400 to 4000. The structure, thermal property, morphology, and surface free energy of the PPLA were investigated by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimeter (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and contact angles (CA). The resulting PPLA results indicated that the introduction of PEG to the blend systems resulted in a ductile fracture, a decrease in the melt temperature (Tm) and glass transfer temperature (Tg), and an increase in the degree of crystallization (χc), which indicated an improved flexibility. In addition, the polarity of the PPLA increased and the surface free energy decreased. The resulting PPLA was subsequently used as matrix to blend with wood flour to prepare composites. The mechanical strength, melting behavior, thermal stability, and microscopy of the PPLA/wood flour composites were also evaluated. These results illustrated that the plasticized PPLA matrix was beneficial to the interfacial compatibility between the polar filler and the substrate.
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Oh HJ, McGrath JE, Paul DR. Water and salt transport properties of disulfonated poly(arylene ether sulfone) desalination membranes formed by solvent-free melt extrusion. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.09.070] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kim YM, Ko KH, Kim YW, Yu JA, Kim JS. Dual effects of fatty acid salt on the mechanical properties and morphology of styrene-based ionomers. Polym Bull (Berl) 2017. [DOI: 10.1007/s00289-017-2134-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Daryaei A, Miller GC, Willey J, Roy Choudhury S, Vondrasek B, Kazerooni D, Burtner MR, Mittelsteadt C, Lesko JJ, Riffle JS, McGrath JE. Synthesis and Membrane Properties of Sulfonated Poly(arylene ether sulfone) Statistical Copolymers for Electrolysis of Water: Influence of Meta- and Para-Substituted Comonomers. ACS APPLIED MATERIALS & INTERFACES 2017; 9:20067-20075. [PMID: 28530822 DOI: 10.1021/acsami.7b02401] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Two series of high molecular weight disulfonated poly(arylene ether sulfone) random copolymers were synthesized as proton exchange membranes for high-temperature water electrolyzers. These copolymers differ based on the position of the ether bonds on the aromatic rings. One series is comprised of fully para-substituted hydroquinone comonomer, and the other series incorporated 25 mol % of a meta-substituted comonomer resorcinol and 75 mol % hydroquinone. The influence of the substitution position on water uptake and electrochemical properties of the membranes were investigated and compared to that of the state-of-the-art membrane Nafion. The mechanical properties of the membranes were measured for the first time in fully hydrated conditions at ambient and elevated temperatures. Submerged in water, these hydrocarbon-based copolymers had moduli an order of magnitude higher than Nafion. Selected copolymers of each series showed dramatically increased proton conductivities at elevated temperature in fully hydrated conditions, while their H2 gas permeabilities were well controlled over a wide range of temperatures. These improved properties were attributed to the high glass transition temperatures of the disulfonated poly(arylene ether sulfone)s.
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Affiliation(s)
| | | | - Jason Willey
- Giner Electrochemical Systems, Incorporated, Newton, Massachusettes, United States
| | | | | | | | | | - Cortney Mittelsteadt
- Giner Electrochemical Systems, Incorporated, Newton, Massachusettes, United States
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Nebipasagil A, Park J, Lane OR, Sundell BJ, Mecham SJ, Freeman BD, Riffle JS, McGrath JE. Polyurethanes containing Poly(arylene ether sulfone) and Poly(ethylene oxide) segments for gas separation membranes. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.03.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Oh HJ, McGrath JE, Paul DR. Kinetics of poly(ethylene glycol) extraction into water from plasticized disulfonated poly(arylene ether sulfone) desalination membranes prepared by solvent-free melt processing. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2016.11.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Oh HJ, Park J, Inceoglu S, Villaluenga I, Thelen JL, Jiang X, McGrath JE, Paul DR. Formation of disulfonated poly(arylene ether sulfone) thin film desalination membranes plasticized with poly(ethylene glycol) by solvent-free melt extrusion. POLYMER 2017. [DOI: 10.1016/j.polymer.2016.12.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hu W, Han X, Liu L, Zhang X, Xue J, Wang B, Zhang P, Cao X. PEG/PVDF membranes for separating organosulphur compounds fromn-heptane: Effect of PEG molecular weight. CAN J CHEM ENG 2016. [DOI: 10.1002/cjce.22657] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wenling Hu
- School of Chemical Engineering; Northwest University; Xi'an Shaanxi 710069 China
| | - Xiaolong Han
- School of Chemical Engineering; Northwest University; Xi'an Shaanxi 710069 China
| | - Liangliang Liu
- School of Chemical Engineering; Northwest University; Xi'an Shaanxi 710069 China
| | - Xin Zhang
- School of Chemical Engineering; Northwest University; Xi'an Shaanxi 710069 China
| | - Juanqin Xue
- School of Metallurgy Engineering; Xi'an University of Architecture and Technology; Xi'an Shaanxi 710055 China
| | - Baoyi Wang
- Institute of High Energy Physics; Chinese Academy of Sciences; Beijing 100049 China
| | - Peng Zhang
- Institute of High Energy Physics; Chinese Academy of Sciences; Beijing 100049 China
| | - Xingzhong Cao
- Institute of High Energy Physics; Chinese Academy of Sciences; Beijing 100049 China
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