1
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Wang Y, Lorandi F, Fantin M, Matyjaszewski K. Atom transfer radical polymerization in dispersed media with low-ppm catalyst loading. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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2
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Simakova A, Averick S, Jazani AM, Matyjaszewski K. Controlling Size and Surface Chemistry of Cationic Nanogels by Inverse Microemulsion ATRP. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Antonina Simakova
- Department of Chemistry Carnegie Mellon University Pittsburgh PA 15213 United States
| | - Saadyah Averick
- Laboratory for Biomolecular Medicine Allegheny Health Network Research Institute Allegheny General Hospital Pittsburgh Pittsburgh PA 15212 United States
| | - Arman Moini Jazani
- Department of Chemistry Carnegie Mellon University Pittsburgh PA 15213 United States
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3
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Seong HG, Chen Z, Emrick T, Russell TP. Reconfiguration and Reorganization of Bottlebrush Polymer Surfactants. Angew Chem Int Ed Engl 2022; 61:e202200530. [PMID: 35224828 DOI: 10.1002/anie.202200530] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Indexed: 02/02/2023]
Abstract
Bottlebrush random copolymers (BRCPs), having randomly distributed hydrophilic and hydrophobic side chains, are shown to reconfigure into hydrophilic-rich and hydrophobic-rich conformations at liquid-liquid interfaces to reduce interfacial energy. Both the degree of polymerization (NBB ) and extent of grafting in these BRCPs were found to impact surface coverage and assembly kinetics. The time-dependence of the interfacial tension is described as the sum of two exponential relaxation functions characterizing BRCP diffusion, interfacial adsorption, and reorganization. Interfacial tension (γ) and fluorescence recovery after photobleaching (FRAP) results showed that higher molecular weight BRCPs require longer time to adsorb to the water-oil interface, but less time for interfacial reorganization. Overall, this work describes fundamental principles of BRCP assembly at liquid-liquid interfaces, with implications pertaining to polymer design with enhanced understanding of emulsification, adhesion, and related properties in fluids and at interfaces.
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Affiliation(s)
- Hong-Gyu Seong
- Polymer Science and Engineering Department, Conte Center for Polymer Research, University of Massachusetts, 120 Governors Drive, Amherst, MA 01003, USA
| | - Zhan Chen
- Polymer Science and Engineering Department, Conte Center for Polymer Research, University of Massachusetts, 120 Governors Drive, Amherst, MA 01003, USA
| | - Todd Emrick
- Polymer Science and Engineering Department, Conte Center for Polymer Research, University of Massachusetts, 120 Governors Drive, Amherst, MA 01003, USA
| | - Thomas P Russell
- Polymer Science and Engineering Department, Conte Center for Polymer Research, University of Massachusetts, 120 Governors Drive, Amherst, MA 01003, USA.,Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
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4
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Gruber A, Navarro L, Klinger D. Dual-reactive nanogels for orthogonal functionalization of hydrophilic shell and amphiphilic network. SOFT MATTER 2022; 18:2858-2871. [PMID: 35348179 DOI: 10.1039/d2sm00116k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Amphiphilic nanogels (NGs) combine a soft, water-swollen hydrogel matrix with internal hydrophobic domains. While these domains can encapsulate hydrophobic cargoes, the amphiphilic particle surface can reduce colloidal stability and/or limit biological half-life. Therefore, a functional hydrophilic shell is needed to shield the amphiphilic network and tune interactions with biological systems. To adjust core and shell properties independently, we developed a synthetic strategy that uses preformed dual-reactive nanogels. In a first step, emulsion copolymerization of pentafluorophenyl methacrylate (PFPMA) and a reduction-cleavable crosslinker produced precursor particles for subsequent network modification. Orthogonal shell reactivity was installed by using an amphiphilic block copolymer (BCP) surfactant during this particle preparation step. Here, the hydrophilic block poly(polyethylene glycol methyl ether methacrylate) (PPEGMA) contains a reactive alkyne end group for successive functionalization. The hydrophobic block (P(PFPMA-co-MAPMA) contains random methacryl-amido propyl methacrylamide (MAPMA) units to covalently attach the surfactant to the growing PPFPMA network. In the second step, orthogonal modification of the core and shell was demonstrated. Network functionalization with combinations of hydrophilic (acidic, neutral, or basic) and hydrophobic (cholesterol) groups gave a library of pH- and redox-sensitive amphiphilic NGs. Stimuli-responsive properties were demonstrated by pH-dependent swelling and reduction-induced degradation via dynamic light scattering. Subsequently, copper-catalyzed azide-alkyne cycloaddition was used to attach azide-modified rhodamine as model compound to the shell (followed by UV-Vis). Overall, this strategy provides a versatile platform to develop multi-functional amphiphilic nanogels as carriers for hydrophobic cargoes.
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Affiliation(s)
- Alexandra Gruber
- Institute of Pharmacy (Pharmaceutical Chemistry), Freie Universität Berlin, Königin-Luise-Straße 2-4, 14195 Berlin, Germany.
| | - Lucila Navarro
- Institute of Pharmacy (Pharmaceutical Chemistry), Freie Universität Berlin, Königin-Luise-Straße 2-4, 14195 Berlin, Germany.
| | - Daniel Klinger
- Institute of Pharmacy (Pharmaceutical Chemistry), Freie Universität Berlin, Königin-Luise-Straße 2-4, 14195 Berlin, Germany.
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5
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Seong H, Chen Z, Emrick T, Russell TP. Reconfiguration and Reorganization of Bottlebrush Polymer Surfactants. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200530] [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]
Affiliation(s)
- Hong‐Gyu Seong
- Polymer Science and Engineering Department Conte Center for Polymer Research University of Massachusetts 120 Governors Drive Amherst MA 01003 USA
| | - Zhan Chen
- Polymer Science and Engineering Department Conte Center for Polymer Research University of Massachusetts 120 Governors Drive Amherst MA 01003 USA
| | - Todd Emrick
- Polymer Science and Engineering Department Conte Center for Polymer Research University of Massachusetts 120 Governors Drive Amherst MA 01003 USA
| | - Thomas P. Russell
- Polymer Science and Engineering Department Conte Center for Polymer Research University of Massachusetts 120 Governors Drive Amherst MA 01003 USA
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
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6
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Biodegradable PCL-b-PLA Microspheres with Nanopores Prepared via RAFT Polymerization and UV Photodegradation of Poly(Methyl Vinyl Ketone) Blocks. Polymers (Basel) 2021; 13:polym13223964. [PMID: 34833263 PMCID: PMC8622187 DOI: 10.3390/polym13223964] [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: 10/21/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 01/18/2023] Open
Abstract
Biodegradable triblock copolymers based on poly(ε-caprolactone) (PCL) and poly(lactic acid) (PLA) were synthesized via ring-opening polymerization of L-lactide followed by reversible addition–fragmentation chain-transfer (RAFT) polymerization of poly(methyl vinyl ketone) (PMVK) as a photodegradable block, and characterized by FT-IR and 1H NMR spectroscopy for structural analyses, and by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) for their thermal properties. Porous, biodegradable PCL-b-PLA microspheres were fabricated via the oil/water (O/W) emulsion evaporation method, followed by photodegradation of PMVK blocks by UV irradiation. The macro-chain transfer agent (CTA) synthesized by reacting a carboxylic-acid-terminated CTA—S-1-dodecyl-S′-(a,a′-dimethyl-a′′-acetic acid)trithiocarbonate (DDMAT)—with a hydroxyl-terminated PCL-b-PLA block copolymer was used to synthesize well-defined triblock copolymers with methyl vinyl ketone via RAFT polymerization with controlled molecular weights and narrow polydispersity. Gel permeation chromatography traces indicated that the molecular weight of the triblock copolymer decreased with UV irradiation time because of the photodegradation of the PMVK blocks. The morphology of the microspheres before and after UV irradiation was investigated using SEM and videos of three-dimensional confocal laser microscopy, showing a change in their surface texture from smooth to rough, with high porosity owing to the photodegradation of the PMVK blocks to become porous templates.
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7
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Kumar P, Behl G, Kaur S, Yadav N, Liu B, Chhikara A. Tumor microenvironment responsive nanogels as a smart triggered release platform for enhanced intracellular delivery of doxorubicin. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 32:385-404. [PMID: 33054642 DOI: 10.1080/09205063.2020.1837504] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The fabrication of novel and intelligent delivery systems that can effectively deliver therapeutics to the targeted site and release payload in enhanced/controlled manner is highly desired to overcome the multiple challenges in chemotherapy. The present article demonstrates the potential application of dual stimuli responsive nanogels as tumor microenvironment targeted drug delivery carrier. Disulfide cross-linked pH and redox responsive PEG-PDMAEMA nanogels were synthesized by atom transfer radical polymerization (ATRP). The nanogels were characterized by nuclear magnetic resonance (NMR) spectroscopy, Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). The PEG-PDMAEMA nanogels exhibited dual stimuli-responsive release of the encapsulated model anticancer drug (doxorubicin, DOX) due to the acidic pH-response of dimethyl amine group in PDMAEMA and reductive cleavage of the disulfide linkages. A relatively higher release of DOX was observed from the nanogels at pH 5.0 than at pH 7.4. DOX release was further accelerated in tumor simulated environment of pH 5.0 and 10 mM glutathione (GSH). Confocal microscopy images revealed that DOX-loaded PEG-PDMAEMA nanogels can rapidly internalize and effectively deliver the drug into the cells. The nanogels exhibited higher cytotoxicity in GSH-OEt pretreated HeLa cells than untreated cells. The dual stimuli responsive nanogels synthesized in this study exhibited many favorable traits, such as pH and redox dependent controlled release of drug, biodegradability, biocompatibility, and enhanced cytotoxicity, which endow them as a promising candidate for anticancer drug delivery.
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Affiliation(s)
- Parveen Kumar
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, China.,Department of Chemistry, Dyal Singh College, University of Delhi, New Delhi, India
| | - Gautam Behl
- Department of Chemistry, Dyal Singh College, University of Delhi, New Delhi, India.,Pharmaceutical and Molecular Biotechnology Research Centre, Department of Science, Waterford Institute of Technology, Waterford, Ireland
| | - Sumeet Kaur
- Dr. B. R. Ambedkar Center for Biomedical Research, University of Delhi, New Delhi, India
| | - Nalini Yadav
- Dr. B. R. Ambedkar Center for Biomedical Research, University of Delhi, New Delhi, India
| | - Bo Liu
- Laboratory of Functional Molecules and Materials, School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, China
| | - Aruna Chhikara
- Department of Chemistry, Dyal Singh College, University of Delhi, New Delhi, India
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8
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Su C, Wu Z, Lin C, Han H, Chen Y, Chou P, Fu X, Peng C. Polystyrene with Persistently Enhanced Fluorescence: Photo‐Induced Atom Transfer Radical Polymerization Using a Pyrene‐Based Initiator. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900138] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Chun‐Hsien Su
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of MattersNational Tsing Hua University Hsinchu 30013 Taiwan
| | - Zhenqiang Wu
- Beijing National Laboratory for Molecular Sciences, State Key Lab of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
| | - Ching‐Kai Lin
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of MattersNational Tsing Hua University Hsinchu 30013 Taiwan
| | - Hui‐An Han
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of MattersNational Tsing Hua University Hsinchu 30013 Taiwan
| | - Yi‐An Chen
- Department of Chemistry, Center for Emerging Material and Advanced DevicesNational Taiwan University Taipei 10617 Taiwan
| | - Pi‐Tai Chou
- Department of Chemistry, Center for Emerging Material and Advanced DevicesNational Taiwan University Taipei 10617 Taiwan
| | - Xuefeng Fu
- Beijing National Laboratory for Molecular Sciences, State Key Lab of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
| | - Chi‐How Peng
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of MattersNational Tsing Hua University Hsinchu 30013 Taiwan
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9
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Forero Ramirez LM, Babin J, Boudier A, Gaucher C, Schmutz M, Er-Rafik M, Durand A, Six JL, Nouvel C. First multi-reactive polysaccharide-based transurf to produce potentially biocompatible dextran-covered nanocapsules. Carbohydr Polym 2019; 224:115153. [DOI: 10.1016/j.carbpol.2019.115153] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/17/2019] [Accepted: 07/31/2019] [Indexed: 12/20/2022]
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10
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Pramanik SK, Pal U, Choudhary P, Singh H, Reiter RJ, Ethirajan A, Swarnakar S, Das A. Stimuli-Responsive Nanocapsules for the Spatiotemporal Release of Melatonin: Protection against Gastric Inflammation. ACS APPLIED BIO MATERIALS 2019; 2:5218-5226. [DOI: 10.1021/acsabm.9b00236] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sumit Kumar Pramanik
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, Gujarat 364 002, India
| | - Uttam Pal
- Chemical Sciences Division, Saha Institute of Nuclear Physics, Kolkata, West Bengal 700 064, India
| | - Preety Choudhary
- Cancer Biology & Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal 700 032, India
| | - Harwinder Singh
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, Gujarat 364 002, India
| | - Russel J. Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, Texas 78229, United States
| | - Anitha Ethirajan
- Institute for Materials Research (IMO), Hasselt University, Wetenschapspark 1, Diepenbeek 3590, Belgium
| | - Snehasikta Swarnakar
- Cancer Biology & Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal 700 032, India
| | - Amitava Das
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, Gujarat 364 002, India
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11
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Azhar U, Huyan C, Wan X, Zong C, Xu A, Liu J, Ma J, Zhang S, Geng B. Porous multifunctional fluoropolymer composite foams prepared via humic acid modified Fe3O4 nanoparticles stabilized Pickering high internal phase emulsion using cationic fluorosurfactant as co-stabilizer. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2018.04.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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12
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Iyisan B, Landfester K. Modular Approach for the Design of Smart Polymeric Nanocapsules. Macromol Rapid Commun 2018; 40:e1800577. [DOI: 10.1002/marc.201800577] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 11/14/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Banu Iyisan
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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13
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Forero Ramirez LM, Babin J, Schmutz M, Durand A, Six JL, Nouvel C. Multi-reactive surfactant and miniemulsion Atom Transfer Radical Polymerization: An elegant controlled one-step way to obtain dextran-covered nanocapsules. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.09.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Matyjaszewski K. Advanced Materials by Atom Transfer Radical Polymerization. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1706441. [PMID: 29582478 DOI: 10.1002/adma.201706441] [Citation(s) in RCA: 359] [Impact Index Per Article: 59.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Revised: 12/18/2017] [Indexed: 05/21/2023]
Abstract
Atom transfer radical polymerization (ATRP) has been successfully employed for the preparation of various advanced materials with controlled architecture. New catalysts with strongly enhanced activity permit more environmentally benign ATRP procedures using ppm levels of catalyst. Precise control over polymer composition, topology, and incorporation of site specific functionality enables synthesis of well-defined gradient, block, comb copolymers, polymers with (hyper)branched structures including stars, densely grafted molecular brushes or networks, as well as inorganic-organic hybrid materials and bioconjugates. Examples of specific applications of functional materials include thermoplastic elastomers, nanostructured carbons, surfactants, dispersants, functionalized surfaces, and biorelated materials.
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15
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Jiang B, Sun Z, Zhang L, Sun Y, Zhang H, Yang H. Synthesis of a hypercrosslinked, ionic, mesoporous polymer monolith and its application in deep oxidative desulfurization. J Appl Polym Sci 2018. [DOI: 10.1002/app.46280] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Bin Jiang
- School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 People's Republic of China
| | - Zhaoning Sun
- School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 People's Republic of China
| | - Luhong Zhang
- School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 People's Republic of China
| | - Yongli Sun
- School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 People's Republic of China
| | - Hongjie Zhang
- School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 People's Republic of China
| | - Huawei Yang
- School of Chemistry and Materials Science; Ludong University; Yantai 264025 People's Republic of China
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16
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Wang K, Zhang Y, Zhao J, Yan C, Wei Y, Meng M, Dai X, Li C, Yan Y. Facile synthesis of hierarchical porous solid catalysts with acid–base bifunctional active sites for the conversion of cellulose to 5-hydroxymethylfurfural. NEW J CHEM 2018. [DOI: 10.1039/c8nj03812k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Hierarchical porous catalysts with acid–base bifunctional active sites were successfully synthesized using a Pickering HIPE template that was stabilized by halloysite nanotubes.
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Affiliation(s)
- Kai Wang
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Yunlei Zhang
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Jiaojiao Zhao
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Changhao Yan
- Research Center of Fluid Machinery Engineering and Technology
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Yanan Wei
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Minjia Meng
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Xiaohui Dai
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Chunxiang Li
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Yongsheng Yan
- Institute of Green Chemistry and Chemical Technology
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
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17
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Liu J, Fan X, Xue Y, Liu Y, Song L, Wang R, Zhang H, Zhang Q. Fabrication of polymer capsules by an original multifunctional, active, amphiphilic macromolecule, and its application in preparing PCM microcapsules. NEW J CHEM 2018. [DOI: 10.1039/c8nj00546j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Based on our recent discovery that D-PGMA solution showed excellent amphiphilic and reinitiation properties, an eco-friendly, facile and scalable method to prepare polymeric capsules was proposed.
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Affiliation(s)
- Jin Liu
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Xinlong Fan
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Ying Xue
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Yibin Liu
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Lixun Song
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Rumin Wang
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Hepeng Zhang
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
| | - Qiuyu Zhang
- Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education
- School of Science
- Northwestern Polytechnical University
- Xi’an 710072
- China
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18
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Kepola EJ, Patrickios CS. Networks Based on “Core-First” Star Polymers End-Linked Using a Degradable Ketal Cross-Linker: Synthesis, Characterization, and Cleavage. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700404] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Eleni J. Kepola
- Department of Chemistry; University of Cyprus; P. O. Box 20537, 1 University Avenue Aglanjia 2109 Nicosia Cyprus
| | - Costas S. Patrickios
- Department of Chemistry; University of Cyprus; P. O. Box 20537, 1 University Avenue Aglanjia 2109 Nicosia Cyprus
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19
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Kitayama Y, Takeuchi T. Fabrication of Redox-Responsive Degradable Capsule Particles by a Shell-Selective Photoinduced Cross-Linking Approach from Spherical Polymer Particles. Chemistry 2017; 23:12870-12875. [PMID: 28656621 DOI: 10.1002/chem.201702367] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Indexed: 12/18/2022]
Abstract
In this study, a fabrication route towards functional capsule particles was successfully developed by means of a self-templating shell-selective cross-linking strategy that enables us to prepare shell-cross-linked hollow polymer particles directly from homogeneous spherical polymer particles. To prepare redox-responsive degradable capsule particles, a newly designed monomer bearing a photoinduced post-cross-linking group (cinnamoyl group) and a redox-environment-responsive cleavable group (disulfide group), N-cinnamoyl-N'-methyacryloylcystamine (MCC), was synthesized. Redox-responsive degradable capsule particles were successfully prepared from homogeneous spherical poly(MCC)-based particles by a self-templating shell-selective photoinduced cross-linking approach. Moreover, the cargo loading capability of the shell-cross-linked hollow particles was confirmed through a solvent exchange procedure using dyes, polymer precursors and anticancer reagents. Furthermore, redox-responsive degradability of the capsule polymer particles was also confirmed by adding a reducing agent for cleavage of the disulfide linkage. We hope that the efficient fabrication route of functional capsule particles directly from spherical polymer particles opens efficient routes for the fabrication of a wide range of capsule particles; in particular, this technique is robust, productive, and facile because neither additional sacrificial template particles nor toxic solvents are required.
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Affiliation(s)
- Yukiya Kitayama
- Graduate School of Engineering, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Toshifumi Takeuchi
- Graduate School of Engineering, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
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20
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Li Q, Razzaque S, Jin S, Tan B. Morphology design of microporous organic polymers and their potential applications: an overview. Sci China Chem 2017. [DOI: 10.1007/s11426-017-9089-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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21
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Tang L, Shi J, Wang X, Zhang S, Wu H, Sun H, Jiang Z. Coordination polymer nanocapsules prepared using metal-organic framework templates for pH-responsive drug delivery. NANOTECHNOLOGY 2017; 28:275601. [PMID: 28510533 DOI: 10.1088/1361-6528/aa7379] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A facile, efficient, and versatile approach is presented to synthesize pH-responsive nanocapsules (∼120 nm) by combining the advantages of metal-organic frameworks (MOFs) and metal-organic thin films. ZIF-8 nanoparticles are used as templates on which a thin film coating of iron(III)-catechol complexes is derived from the coordination between dopamine-modified alginate (AlgDA) and iron(III) ions. After the template removal, nanocapsules with a pH-responsive wall are obtained. Doxorubicin (Dox), a typical anticancer drug, is first immobilized in ZIF-8 frameworks through coprecipitation and then encapsulated in nanocapsules after the removal of ZIF-8. The structure of the iron(III)-catechol complex varies with pH value, thus conferring the Dox@Nanocapsules with tailored release behavior in vitro. Cytotoxicity tests illustrate the highly effective cytotoxicity of Dox@Nanocapsules towards cancer cells. This study provides a new method for preparing smart nanocapsules and offers more opportunities for the controlled delivery of drugs.
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Affiliation(s)
- Lei Tang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People's Republic of China
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22
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Huang X, Peng Y, Pan J, Zhang W, Zhou W, Zhu H, Liu S. Efficient adsorption of oil by hydrophobic macroporous polymer synthesized with the emulsion template and magnetic particles on the surface. J Appl Polym Sci 2017. [DOI: 10.1002/app.44731] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Xiaobin Huang
- School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; Zhenjiang 212003 China
| | - Yinxian Peng
- School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; Zhenjiang 212003 China
| | - Jianming Pan
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang 212013 China
| | - Wenli Zhang
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang 212013 China
| | - Wei Zhou
- School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; Zhenjiang 212003 China
| | - Hengjia Zhu
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang 212013 China
| | - Shucheng Liu
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang 212013 China
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23
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Omura T, Imagawa K, Kono K, Suzuki T, Minami H. Encapsulation of Either Hydrophilic or Hydrophobic Substances in Spongy Cellulose Particles. ACS APPLIED MATERIALS & INTERFACES 2017; 9:944-949. [PMID: 27935675 DOI: 10.1021/acsami.6b13261] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
We have reported cellulose particles with a spongy structure that we prepared by the solvent releasing method (SRM) from cellulose droplets composed of cellulose, 1-butyl-3-methylimidazoliumchrolide ([Bmim]Cl), and N,N-dimethylformamide (DMF). The spongy structure collapsed as the medium evaporated, resulting in dense cellulose particles. In this study, we encapsulated the hydrophilic and hydrophobic fluorescent substances in these particles to investigate the use of such particles in potential applications that require encapsulating of substances (e.g., drug delivery). Wet cellulose particles retained their spongy structure in both hydrophobic and hydrophilic media. When the spongy cellulose particles were dispersed in a solution containing nonvolatile solutes, these solutes were driven into the cellulose particles as media evaporated. Subsequently, the cellulose particles collapsed and encapsulated the nonvolatile solutes. Regardless of whether the solute was hydrophilic or hydrophobic, the encapsulation efficiency exceeds 80%. The maximum loading reflected the saturated solubility of solute in solution that filled the cellulose beads. Moreover, the encapsulated solute was released by dispersing the cellulose beads in the solvent, and the rate of release of the encapsulated solute could be controlled by coating the cellulose beads with a conventional polymer.
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Affiliation(s)
- Taro Omura
- Department of Chemical Science and Engineering, Graduated School of Engineering, Kobe University , Kobe 657-8501, Japan
| | - Kaori Imagawa
- Department of Chemical Science and Engineering, Graduated School of Engineering, Kobe University , Kobe 657-8501, Japan
| | - Kyosuke Kono
- Department of Chemical Science and Engineering, Graduated School of Engineering, Kobe University , Kobe 657-8501, Japan
| | - Toyoko Suzuki
- Department of Chemical Science and Engineering, Graduated School of Engineering, Kobe University , Kobe 657-8501, Japan
| | - Hideto Minami
- Department of Chemical Science and Engineering, Graduated School of Engineering, Kobe University , Kobe 657-8501, Japan
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24
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Wang G, Schmitt M, Wang Z, Lee B, Pan X, Fu L, Yan J, Li S, Xie G, Bockstaller MR, Matyjaszewski K. Polymerization-Induced Self-Assembly (PISA) Using ICAR ATRP at Low Catalyst Concentration. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01966] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Guowei Wang
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
- State
Key Laboratory of Molecular Engineering of Polymers, Collaborative
Innovation Center of Polymers and Polymer Composite Materials, Department
of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Michael Schmitt
- Department of Materials Science & Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Zongyu Wang
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Bongjoon Lee
- Department of Materials Science & Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Xiangcheng Pan
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Liye Fu
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Jiajun Yan
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Sipei Li
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Guojun Xie
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Michael R. Bockstaller
- Department of Materials Science & Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Krzysztof Matyjaszewski
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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25
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Li D, Hsu R, Figura B, Jacobs R, Li S, Horvath S, Clifford T, Chari K. Rheology and structure of surface crosslinked surfactant-activated microgels. SOFT MATTER 2016; 12:7150-7158. [PMID: 27470971 DOI: 10.1039/c6sm00962j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Nonionic surfactant-activated microgels (SAMs), composed of hydrophobic alkyl acrylates and hydrophilic hydroxyalkyl esters that utilize the effects of surfactant mediated swelling and interaction to provide pH-independent rheological properties, were previously reported as a new pathway to the rheology modification of surfactant solutions. Crosslinking was shown to play an important role in the properties of these soft microgel systems. To understand the impact of crosslinking chemistry on SAM polymers, we have compared two types of SAM polymers: a conventionally crosslinked SAM polymer via allyl pentaerythritol and a novel SAM polymer, where the surface is self-crosslinked via a reactive surfactant. We have systematically characterized the polymer's swelling, rheology and microstructure in a model system containing the polymer, sodium dodecyl sulfate (SDS) and water. Surface self-crosslinking is demonstrated to be a more effective crosslinking approach to create surfactant-mediated interactions between the microgel particles, resulting in more effective rheology modification. Internal crosslinking hinders both the full swelling of the SAM polymer as well as inter-particle bridging interactions, and is therefore less effective. To our best knowledge, this is the first report on creating a novel surface self-crosslinked microgel via a dual-functional reactive surfactant that interacts with a non-reactive surfactant to create a yield stress fluid.
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Affiliation(s)
- Dongcui Li
- Lubrizol Advanced Materials Inc., Brecksville, OH 44141, USA.
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26
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Stabilization of Inverse Miniemulsions by Silyl-Protected Homopolymers. Polymers (Basel) 2016; 8:polym8080303. [PMID: 30974578 PMCID: PMC6431836 DOI: 10.3390/polym8080303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 08/01/2016] [Accepted: 08/02/2016] [Indexed: 12/24/2022] Open
Abstract
Inverse (water-in-oil) miniemulsions are an important method to encapsulate hydrophilic payloads such as oligonucleotides or peptides. However, the stabilization of inverse miniemulsions usually requires block copolymers that are difficult to synthesize and/or cannot be easily removed after transfer from a hydrophobic continuous phase to an aqueous continuous phase. We describe here a new strategy for the synthesis of a surfactant for inverse miniemulsions by radical addition⁻fragmentation chain transfer (RAFT) polymerization, which consists in a homopolymer with triisopropylsilyl protecting groups. The protecting groups ensure the efficient stabilization of the inverse (water-in-oil, w/o) miniemulsions. Nanocapsules can be formed and the protecting group can be subsequently cleaved for the re-dispersion of nanocapsules in an aqueous medium with a minimal amount of additional surfactant.
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27
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Wang Q, Liu Y, Chen J, Du Z, Mi J. Control of Uniform and Interconnected Macroporous Structure in PolyHIPE for Enhanced CO2 Adsorption/Desorption Kinetics. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:7879-7888. [PMID: 27322734 DOI: 10.1021/acs.est.6b00579] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The highly uniform and interconnected macroporous polymer materials were prepared within the high internal phase hydrosol-in-oil emulsions (HIPEs). Impregnated with polyethylenimine (PEI), the polyHIPEs were then employed as solid adsorbents for CO2 capture. Thermodynamic and kinetic capture-and-release tests were performed with pure CO2, 10% CO2/N2, and moist CO2, respectively. It has shown that the polyHIPE with suitable surface area and PEI impregnation exhibits high CO2 adsorption capacity, remarkable CO2/N2 selectivity, excellent adsorption/desorption kinetics, enhanced efficiency in the presence of water, and admirable stability in capture and release cycles. The results demonstrate the superior comprehensive performance of the present PEI-impregnated polyHIPE for CO2 capture from the postcombustion flue gas.
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Affiliation(s)
- Quanyong Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology , Beijing 100029, China
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University , Beijing 100084, China
| | - Yao Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology , Beijing 100029, China
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University , Beijing 100084, China
| | - Jian Chen
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University , Beijing 100084, China
| | - Zhongjie Du
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology , Beijing 100029, China
| | - Jianguo Mi
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology , Beijing 100029, China
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28
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Kampmann AL, Luksin M, Pretzer I, Weberskirch R. Formation of Well-Defined Polymer Particles in the Sub-100 nm Size Range by Using Amphiphilic Block Copolymer Surfactants and a Microemulsion Approach. MACROMOL CHEM PHYS 2016. [DOI: 10.1002/macp.201600108] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anne-Larissa Kampmann
- Faculty of Chemistry and Chemical Biology, TU Dortmund; Otto-Hahn Str. 6 44227 Dortmund Germany
| | - Michael Luksin
- Faculty of Chemistry and Chemical Biology, TU Dortmund; Otto-Hahn Str. 6 44227 Dortmund Germany
| | - Irene Pretzer
- Faculty of Chemistry and Chemical Biology, TU Dortmund; Otto-Hahn Str. 6 44227 Dortmund Germany
| | - Ralf Weberskirch
- Faculty of Chemistry and Chemical Biology, TU Dortmund; Otto-Hahn Str. 6 44227 Dortmund Germany
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29
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Osikoya AO, Parlak O, Murugan NA, Dikio ED, Moloto H, Uzun L, Turner AP, Tiwari A. Acetylene-sourced CVD-synthesised catalytically active graphene for electrochemical biosensing. Biosens Bioelectron 2016; 89:496-504. [PMID: 27157880 DOI: 10.1016/j.bios.2016.03.063] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 11/29/2022]
Abstract
In this study, we have demonstrated the use of chemical vapour deposition (CVD) grown-graphene to develop a highly-ordered graphene-enzyme electrode for electrochemical biosensing. The graphene sheets were deposited on 1.00mm thick copper sheet at 850°C using acetylene (C2H2) as carbon source in an argon (Ar) and nitrogen (N2) atmosphere. An anionic surfactant was used to increase wettability and hydrophilicity of graphene; thereby facilitating the assembly of biomolecules on the electrode surface. Meanwhile, the theoretical calculations confirmed the successful modification of hydrophobic nature of graphene through the anionic surface assembly, which allowed high-ordered immobilisation of glucose oxidase (GOx) on the graphene. The electrochemical sensing activities of the graphene-electrode was explored as a model for bioelectrocatalysis. The bioelectrode exhibited a linear response to glucose concentration ranging from 0.2 to 9.8mM, with sensitivity of 0.087µA/µM/cm2 and a detection limit of 0.12µM (S/N=3). This work sets the stage for the use of acetylene-sourced CVD-grown graphene as a fundamental building block in the fabrication of electrochemical biosensors and other bioelectronic devices.
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Affiliation(s)
- Adeniyi Olugbenga Osikoya
- Biosensors and Bioelectronics Centre, IFM, Linköping University, 58183 Linköping, Sweden; Applied Chemistry and Nanoscience Laboratory, Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, South Africa
| | - Onur Parlak
- Biosensors and Bioelectronics Centre, IFM, Linköping University, 58183 Linköping, Sweden
| | - N Arul Murugan
- Virtual Laboratory for Molecular Probes, Division of Theoretical Chemistry and Biology, School of Biotechnology, Royal Institute of Technology, S-106 91 Stockholm, Sweden
| | - Ezekiel Dixon Dikio
- Applied Chemistry and Nanoscience Laboratory, Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, South Africa
| | - Harry Moloto
- Applied Chemistry and Nanoscience Laboratory, Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, South Africa
| | - Lokman Uzun
- Biosensors and Bioelectronics Centre, IFM, Linköping University, 58183 Linköping, Sweden; Department of Chemistry, Hacettepe University, Ankara, Turkey
| | - Anthony Pf Turner
- Biosensors and Bioelectronics Centre, IFM, Linköping University, 58183 Linköping, Sweden
| | - Ashutosh Tiwari
- Biosensors and Bioelectronics Centre, IFM, Linköping University, 58183 Linköping, Sweden; Tekidag AB, UCS, Mjärdevi Science Park, Teknikringen 4A, SE 583 30 Linköping, Sweden; Vinoba Bhave Research Institute, Sirsa Road, Saidabad, Allahabad 221508, India.
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30
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Yang S, Kim Y, Kim HC, Siddique AB, Youn G, Kim HJ, Park HJ, Lee JY, Kim S, Kim J. Azide-based heterobifunctional poly(ethylene oxide)s: NaN3-initiated “living” polymerization of ethylene oxide and chain end functionalizations. Polym Chem 2016. [DOI: 10.1039/c5py01444a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Sodium azide (NaN3)-initiated “living” ring-opening polymerization of ethylene oxide and chain end functionalizations.
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Affiliation(s)
- Sera Yang
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | - Youn Kim
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | | | - Abu B. Siddique
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | - Gyusaang Youn
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | - Hyun Jun Kim
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | - Hyeon Jong Park
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | - Jae Yeol Lee
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
| | - Sehoon Kim
- Center for Theragnosis
- KIST
- Seoul 136-791
- Korea
| | - Jungahn Kim
- Department of Chemistry
- Kyung Hee University
- Seoul 130-701
- Korea
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31
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Ishizuka F, Kuchel RP, Lu H, Stenzel MH, Zetterlund PB. Synthesis of microcapsules using inverse emulsion periphery RAFT polymerization via SPG membrane emulsification. Polym Chem 2016. [DOI: 10.1039/c6py01584k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis of polymeric capsules with good control over the particle size and size distribution is demonstratedviaa novel approach involving SPG membrane emulsification.
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Affiliation(s)
- Fumi Ishizuka
- Centre for Advanced Macromolecular Design
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Rhiannon P. Kuchel
- Electron Microscope Unit
- The University of New South Wales
- Sydney
- Australia
| | - Hongxu Lu
- Centre for Advanced Macromolecular Design
- School of Chemistry
- The University of New South Wales
- Sydney
- Australia
| | - Martina H. Stenzel
- Centre for Advanced Macromolecular Design
- School of Chemistry
- The University of New South Wales
- Sydney
- Australia
| | - Per B. Zetterlund
- Centre for Advanced Macromolecular Design
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
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32
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Kampmann AL, Grabe T, Jaworski C, Weberskirch R. Synthesis of well-defined core–shell nanoparticles based on bifunctional poly(2-oxazoline) macromonomer surfactants and a microemulsion polymerization process. RSC Adv 2016. [DOI: 10.1039/c6ra22896h] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Surface-functional nanoparticles have been fabricated by utilizing bifunctional poly(2-oxazoline) macromonomers as surfactants in a microemulsion process.
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Affiliation(s)
| | - Tobias Grabe
- Faculty of Chemistry and Chemical Biology
- D-44227 Dortmund
- Germany
| | - Carolin Jaworski
- Faculty of Chemistry and Chemical Biology
- D-44227 Dortmund
- Germany
| | - Ralf Weberskirch
- Faculty of Chemistry and Chemical Biology
- D-44227 Dortmund
- Germany
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33
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Dong S, Suzuki Y, Nik Hadzir NH, Lucien FP, Zetterlund PB. Radical polymerization of miniemulsions induced by compressed gases. RSC Adv 2016. [DOI: 10.1039/c6ra08347a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Pressurization of a macroemulsion comprising a vinyl monomer/water/surfactant can result in formation of a transparent miniemulsion without use of high energy mixing, suitable for synthesis of polymeric nanoparticlesviaminiemulsion polymerization.
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Affiliation(s)
- Siming Dong
- Centre for Advanced Macromolecular Design (CAMD)
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Yoshi Suzuki
- Centre for Advanced Macromolecular Design (CAMD)
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Noor Hadzuin Nik Hadzir
- Centre for Advanced Macromolecular Design (CAMD)
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Frank P. Lucien
- Centre for Advanced Macromolecular Design (CAMD)
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Per B. Zetterlund
- Centre for Advanced Macromolecular Design (CAMD)
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
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34
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Ishizuka F, Utama RH, Kim S, Stenzel MH, Zetterlund PB. RAFT inverse miniemulsion periphery polymerization in binary solvent mixtures for synthesis of nanocapsules. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.10.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Moriishi M, Kitayama Y, Ooya T, Takeuchi T. Amphiphilic Polymerizable Porphyrins Conjugated to a Polyglycerol Dendron Moiety as Functional Surfactants for Multifunctional Polymer Particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:12903-12910. [PMID: 26569154 DOI: 10.1021/acs.langmuir.5b02865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
An amphiphilic polyglycerol dendron (PGD) conjugated porphyrin (PGP) bearing a polymerizable group was successfully synthesized. The PGP was used as an effective surfactant in emulsion and microsuspension polymerization systems to prepare styrene and methacrylate polymer particles, and the use of PGP provided the simple polymer particles with fluorescence derived from the metalloporphyrin and high colloidal stability due to the PGD. Furthermore, based on confocal laser scanning microscopy, we observed that the particles spontaneously formed a core-shell morphology with the PGP localized in the shell region during the polymerization and demonstrated drug loading in the shell region using rhodamine B as a model drug. The results indicate that the use of the functional surfactant PGP led to the preparation of multifunctional polymer particles from simple monomer species, and the resulting particles possessed high colloidal stability, fluorescence, and drug loading capability.
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Affiliation(s)
- Masako Moriishi
- Graduate School of Engineering, Kobe University , 1-1, Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan
| | - Yukiya Kitayama
- Graduate School of Engineering, Kobe University , 1-1, Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan
| | - Tooru Ooya
- Graduate School of Engineering, Kobe University , 1-1, Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan
| | - Toshifumi Takeuchi
- Graduate School of Engineering, Kobe University , 1-1, Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan
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36
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Wu M, Forero Ramirez LM, Rodriguez Lozano A, Quémener D, Babin J, Durand A, Marie E, Six JL, Nouvel C. First multi-reactive dextran-based inisurf for atom transfer radical polymerization in miniemulsion. Carbohydr Polym 2015; 130:141-8. [DOI: 10.1016/j.carbpol.2015.05.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 05/05/2015] [Indexed: 11/29/2022]
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37
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Zetterlund PB, Thickett SC, Perrier S, Bourgeat-Lami E, Lansalot M. Controlled/Living Radical Polymerization in Dispersed Systems: An Update. Chem Rev 2015; 115:9745-800. [PMID: 26313922 DOI: 10.1021/cr500625k] [Citation(s) in RCA: 326] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Per B Zetterlund
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Stuart C Thickett
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Sébastien Perrier
- Department of Chemistry, The University of Warwick , Coventry CV4 7AL, U.K.,Faculty of Pharmacy and Pharmaceutical Sciences, Monash University , Melbourne, VIC 3052, Australia
| | - Elodie Bourgeat-Lami
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Muriel Lansalot
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
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38
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Synthesis of multi-functional nanocapsules via interfacial AGET ATRP in miniemulsion for tumor micro-environment responsive drug delivery. Colloids Surf B Biointerfaces 2015. [PMID: 26196091 DOI: 10.1016/j.colsurfb.2015.06.057] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Novel multi-functional polymeric hollow nanocapsules (PHN) based on the crosslinked poly(tert-butyl acrylate) (PtBA) shells were synthesized in a miniemulsion interfacial polymerization via activator generated electron transfer atom transfer radical polymerization (AGET ATRP) technique with N,N'-bis(acryloyl) cystamine (BACy) as cross-linking agent, CuBr₂ as catalyst, ascorbic acid (VC) as reducing agent and hexadecane as inert solvent. In the AGET ATRP, a folate-conjugated block copolymer, folate-poly(ethylene glycol)-b-poly(tert-butyl acrylate) (FA-PEG-tBA-Br), was used as macroinitiator/stabilizer, and the specific amphiphilic nature of the copolymer led the extending inward of polymer chains. The DLS analysis directly showed the PHN with an average diameter of 150 nm was obtained. After the PtBA shells were transformed into poly(acrylic acid) (PAA) by hydrolysis, doxorubicin (DOX), as a model drug, was loaded efficiently into the hydrolyzed polymeric hollow nanocapsules (HPHN), then the in vitro release of drug was carried out in phosphate buffer solution (PBS, pH 7.4 or 5.0, with or without DTT or GSH of different concentrations). It showed that the existence of folate group significantly improved pH stimuli-responsive and DOX-loading capacity of the polymeric nanocapsules. An acidic pH (5.0) and presence of GSH would accelerate the DOX release behavior. Thus, these multi-functional polymeric nanocapsules have excellent available properties in the field of targeted and controlled drug delivery for cancer therapy.
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39
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Utama RH, Jiang Y, Zetterlund PB, Stenzel MH. Biocompatible Glycopolymer Nanocapsules via Inverse Miniemulsion Periphery RAFT Polymerization for the Delivery of Gemcitabine. Biomacromolecules 2015; 16:2144-56. [PMID: 26027950 DOI: 10.1021/acs.biomac.5b00545] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Encapsulation of hydrophilic cancer drugs in polymeric nanocapsules was achieved in a one-pot process via the inverse miniemulsion periphery RAFT polymerization (IMEPP) approach. The chosen guest molecule was gemcitabine hydrochloride, which is used as the first-line treatment of pancreatic cancer. The resulting nanocapsules were confirmed to be ∼200 nm, with excellent encapsulation (∼96%) and loading (∼12%) efficiency. Postpolymerization reaction was successfully conducted to create glyocopolymer nanocapsules without any impact on the loads as well as the nanocapsules size or morphology. The loaded nanocapsules were specifically designed to be responsive in a reductive environment. This was confirmed by the successful disintegration of the nanocapsules in the presence of glutathione. The gemcitabine-loaded nanocapsules were tested in vitro against pancreatic cancer cells (AsPC-1), with the results showing an enhancement in the cytotoxicity by two fold due to selective accumulation and release of the nanocapsules within the cells. The results demonstrated the versatility of IMEPP as a tool to synthesize functionalized, loaded-polymeric nanocapsules suitable for drug-delivery application.
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Affiliation(s)
- Robert H Utama
- ‡Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney 2052, Australia
| | - Yanyan Jiang
- †Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia.,‡Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney 2052, Australia
| | - Per B Zetterlund
- †Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Martina H Stenzel
- †Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia.,‡Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney 2052, Australia
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40
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Wen Y, Oh JK. Intracellular delivery cellulose-based bionanogels with dual temperature/pH-response for cancer therapy. Colloids Surf B Biointerfaces 2015; 133:246-53. [PMID: 26119370 DOI: 10.1016/j.colsurfb.2015.06.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 06/02/2015] [Accepted: 06/08/2015] [Indexed: 01/05/2023]
Abstract
Polysaccharide-based crosslinked nanogles (bionanogels) exhibiting multiple stimuli-responsive release of encapsulated therapeutics hold a great potential as tumor-targeting intracelluar durg delivery nanocarriers. Herein, we report the synthesis of monodisperse dual temperature/acidic pH-responsive bionanogels (DuR-BNGs) by aqueous crosslinking polymerization through temperature-induced self-association method. The DuR-BNGs have prolonged colloidal stability and negligible non-specific interactions with proteins. In response to acidic pH at higher temperature (above lower critical solution temperature), they exhibit synergistic release of anticancer drugs as a consequence of both acidic pH-sensitivity of carboxymethyl cellulose and temperature-induced volume change of grafted thermoresponsive copolymers. In vitro cell culture results suggest that new colloidally-stable DuR-BNG is a promising candidate promoting dual stimuli-responsive drug release for cancer therapy.
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Affiliation(s)
- Yifen Wen
- Department of Chemistry and Biochemistry, Centre for NanoScience Research, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Jung Kwon Oh
- Department of Chemistry and Biochemistry, Centre for NanoScience Research, Concordia University, Montreal, Quebec H4B 1R6, Canada.
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41
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Yu S, Tan H, Wang J, Liu X, Zhou K. High porosity supermacroporous polystyrene materials with excellent oil-water separation and gas permeability properties. ACS APPLIED MATERIALS & INTERFACES 2015; 7:6745-6753. [PMID: 25762095 DOI: 10.1021/acsami.5b00196] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Two types of monolith high-porosity supermacroporous polystyrene materials had been controlled synthesized from water-in-oil Pickering emulsions. The first type, closed-cell high-porosity (up to 91%) supermacroporous (ca. 500 μm) polystyrene materials (CPPs) was prepared by employing amphiphilic carbonaceous microspheres (CMs) as high internal phase emulsion stabilizer without any inorganic salts or further modifying the wettability of the particles. The second type, hierarchical porous polystyrene materials with highly interconnected macropores (IPPs), was constructed from emulsions stabilized simultaneously by CM particles and a little amount of surfactants. Both types of these monolith porous polystyrene materials possessed excellent mechanical strength. The CPPs were used as absorbents for oil-water separation and high absorption capacity, and absorption rate for oils were realized, which was attributed to their porosity structure and the swelling property of the polystyrene, while the IPPs were highly permeable for gases due to their interconnected macropores.
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Affiliation(s)
- Shuzhen Yu
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Hongyi Tan
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jin Wang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Xin Liu
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Kebin Zhou
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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42
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Bourgeat-Lami E, D’Agosto F, Lansalot M. Synthesis of Nanocapsules and Polymer/Inorganic Nanoparticles Through Controlled Radical Polymerization At and Near Interfaces in Heterogeneous Media. CONTROLLED RADICAL POLYMERIZATION AT AND FROM SOLID SURFACES 2015. [DOI: 10.1007/12_2015_313] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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43
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Jia F, Wang Y, Wang H, Jin Q, Cai T, Chen Y, Ji J. Light cross-linkable and pH de-cross-linkable drug nanocarriers for intracellular drug delivery. Polym Chem 2015; 6:2069-2075. [DOI: 10.1039/c4py01420k] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2024]
Abstract
Novel light cross-linkable and pH de-cross-linkable micelles were developed as drug nanocarriers, based on the combination of light responsive coumarin moieties and pH responsive hydrazone groups in one cross-linking section.
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Affiliation(s)
- Fan Jia
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Yin Wang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Haibo Wang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Qiao Jin
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Tongjiang Cai
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Yangjun Chen
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
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44
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Utama RH, Drechsler M, Förster S, Zetterlund PB, Stenzel MH. Synthesis of pH-Responsive Nanocapsules via Inverse Miniemulsion Periphery RAFT Polymerization and Post-Polymerization Reaction. ACS Macro Lett 2014; 3:935-939. [PMID: 35596363 DOI: 10.1021/mz5005019] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report herein the versatility of inverse miniemulsion periphery RAFT polymerization (IMEPP) and postpolymerization reaction in producing pH-responsive nanocapsules with different functionalities. The robustness of the polymeric nanocapsules was confirmed by their ability to undergo reactions, be dried, and be redispersed in various solvents without any changes in size and core-shell morphology. Nanocapsules bearing carboxylic acid (COOH) functionalities were produced via hydrolysis, while nanocapsules bearing tertiary-amine (N-X3) functionalities were synthesized via aminolysis. The responsive behavior of the nanocapsules was tested in aqueous solution with pHs ranging from 3 to 12. Nanocapsules with COOH functionalities were found to swell under basic conditions due to the deprotonated carboxylate ions. In contrast, nanocapsule with tertiary amine functionalities underwent swelling in acidic conditions.
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Affiliation(s)
- Robert H. Utama
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ∥Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, Australia
- Bayreuth Institute of Macromolecular Research (BIMF) and §Physikalische Chemie
I, Universität Bayreuth, Bayreuth, Germany
| | - Markus Drechsler
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ∥Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, Australia
- Bayreuth Institute of Macromolecular Research (BIMF) and §Physikalische Chemie
I, Universität Bayreuth, Bayreuth, Germany
| | - Stephan Förster
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ∥Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, Australia
- Bayreuth Institute of Macromolecular Research (BIMF) and §Physikalische Chemie
I, Universität Bayreuth, Bayreuth, Germany
| | - Per B. Zetterlund
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ∥Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, Australia
- Bayreuth Institute of Macromolecular Research (BIMF) and §Physikalische Chemie
I, Universität Bayreuth, Bayreuth, Germany
| | - Martina H. Stenzel
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ∥Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, Australia
- Bayreuth Institute of Macromolecular Research (BIMF) and §Physikalische Chemie
I, Universität Bayreuth, Bayreuth, Germany
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46
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Cui J, van Koeverden MP, Müllner M, Kempe K, Caruso F. Emerging methods for the fabrication of polymer capsules. Adv Colloid Interface Sci 2014; 207:14-31. [PMID: 24210468 DOI: 10.1016/j.cis.2013.10.012] [Citation(s) in RCA: 136] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 10/11/2013] [Accepted: 10/13/2013] [Indexed: 12/13/2022]
Abstract
Hollow polymer capsules are attracting increasing research interest due to their potential application as drug delivery vectors, sensors, biomimetic nano- or multi-compartment reactors and catalysts. Thus, significant effort has been directed toward tuning their size, composition, morphology, and functionality to further their application. In this review, we provide an overview of emerging techniques for the fabrication of polymer capsules, encompassing: self-assembly, layer-by-layer assembly, single-step polymer adsorption, bio-inspired assembly, surface polymerization, and ultrasound assembly. These techniques can be applied to prepare polymer capsules with diverse functionality and physicochemical properties, which may fulfill specific requirements in various areas. In addition, we critically evaluate the challenges associated with the application of polymer capsules in drug delivery systems.
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Affiliation(s)
- Jiwei Cui
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Martin P van Koeverden
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Markus Müllner
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Kristian Kempe
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Frank Caruso
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia.
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47
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Matyjaszewski K, Tsarevsky NV. Macromolecular engineering by atom transfer radical polymerization. J Am Chem Soc 2014; 136:6513-33. [PMID: 24758377 DOI: 10.1021/ja408069v] [Citation(s) in RCA: 843] [Impact Index Per Article: 84.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This Perspective presents recent advances in macromolecular engineering enabled by ATRP. They include the fundamental mechanistic and synthetic features of ATRP with emphasis on various catalytic/initiation systems that use parts-per-million concentrations of Cu catalysts and can be run in environmentally friendly media, e.g., water. The roles of the major components of ATRP--monomers, initiators, catalysts, and various additives--are explained, and their reactivity and structure are correlated. The effects of media and external stimuli on polymerization rates and control are presented. Some examples of precisely controlled elements of macromolecular architecture, such as chain uniformity, composition, topology, and functionality, are discussed. Syntheses of polymers with complex architecture, various hybrids, and bioconjugates are illustrated. Examples of current and forthcoming applications of ATRP are covered. Future challenges and perspectives for macromolecular engineering by ATRP are discussed.
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Affiliation(s)
- Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University , 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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48
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Musyanovych A, Landfester K. Polymer Micro- and Nanocapsules as Biological Carriers with Multifunctional Properties. Macromol Biosci 2014; 14:458-77. [DOI: 10.1002/mabi.201300551] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Revised: 02/03/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Anna Musyanovych
- Fraunhofer ICT-IMM; Carl-Zeiss-Str. 18-20 55129 Mainz Germany
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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49
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Hehir S, Cameron NR. Recent advances in drug delivery systems based on polypeptides prepared from N
-carboxyanhydrides. POLYM INT 2014. [DOI: 10.1002/pi.4710] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sarah Hehir
- Department of Chemistry and Biophysical Sciences Institute; Durham University; South Road Durham DH1 3LE UK
| | - Neil R Cameron
- Department of Chemistry and Biophysical Sciences Institute; Durham University; South Road Durham DH1 3LE UK
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50
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Wen Y, Oh JK. Dual-stimuli reduction and acidic pH-responsive bionanogels: intracellular delivery nanocarriers with enhanced release. RSC Adv 2014. [DOI: 10.1039/c3ra46072j] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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