1
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Manikpuri D, Sankar RV, Gunanathan C. Direct Synthesis of Aldoximes: Ruthenium-Catalyzed Coupling of Alcohols and Hydroxylamine Hydrochloride. Chem Asian J 2023; 18:e202300678. [PMID: 37671629 DOI: 10.1002/asia.202300678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 09/07/2023]
Abstract
A catalytic method for the direct synthesis of oximes from alcohols and hydroxyl amine hydrochloride salt is reported. The reaction is catalyzed by a ruthenium pincer catalyst, which oxidizes alcohols involving amine-amide metal-ligand cooperation, and the in situ formed aldehydes condense with hydroxyl amine to deliver the oximes. Notably, the reaction requires only a catalyst and base; water and liberated hydrogen are the only byproducts, making this protocol attractive and environmentally benign.
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Affiliation(s)
- Deepsagar Manikpuri
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, Bhubaneswar, 752050, India
| | - Raman Vijaya Sankar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, Bhubaneswar, 752050, India
| | - Chidambaram Gunanathan
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, Bhubaneswar, 752050, India
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2
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Zheng J, Shoberu A, Zhou PJ, Sun WB, Ying L, Zou JP. NaNO2/K2S2O8-mediated selective transformation of 3-formylchromones to 2-hydroxyiminobenzofuran-3-ones and 2-alkoxy-3-(hydroxyimino)chromanones. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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3
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Yang W, Chen J, Yan J, Liu S, Yan Y, Zhang Q. Advance of click chemistry in anion exchange membranes for energy application. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20210819] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Weihong Yang
- Chongqing Technology Innovation Centre Northwestern Polytechnical University Chongqing People's Republic of China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology Northwestern Polytechnical University Xi'an People's Republic of China
| | - Jin Chen
- Department of Chemistry, School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology Northwestern Polytechnical University Xi'an People's Republic of China
| | - Jing Yan
- Chongqing Technology Innovation Centre Northwestern Polytechnical University Chongqing People's Republic of China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology Northwestern Polytechnical University Xi'an People's Republic of China
| | - Shuang Liu
- Chongqing Technology Innovation Centre Northwestern Polytechnical University Chongqing People's Republic of China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology Northwestern Polytechnical University Xi'an People's Republic of China
| | - Yi Yan
- Chongqing Technology Innovation Centre Northwestern Polytechnical University Chongqing People's Republic of China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology Northwestern Polytechnical University Xi'an People's Republic of China
| | - Qiuyu Zhang
- Department of Chemistry, School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology Northwestern Polytechnical University Xi'an People's Republic of China
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4
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Soares FA, Steinbüchel A. Enzymatic and Chemical Approaches for Post-Polymerization Modifications of Diene Rubbers: Current state and Perspectives. Macromol Biosci 2021; 21:e2100261. [PMID: 34528407 DOI: 10.1002/mabi.202100261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/26/2021] [Indexed: 11/07/2022]
Abstract
Diene rubbers are polymeric materials which present elastic properties and have double bonds in the macromolecular backbone after the polymerization process. Post-polymerization modifications of rubbers can be conducted by enzymatic or chemical methods. Enzymes are environmentally friendly catalysts and with the increasing demand for rubber waste management, biodegradation and biomodifications have become hot topics of research. Some rubbers are renewable materials and are a source of organic molecules, and biodegradation can be conducted to obtain either oligomers or monomers. On the other hand, chemical modifications of rubbers by click-chemistry are important strategies for the creation and combination of new materials. In a way to expand the scope of uses to other non-traditional applications, several and effective modifications can be conducted with diene rubbers. Two groups of efficient tools, enzymatic, and chemical modifications in diene rubbers, are summarized in this review. By analyzing stereochemical and reactivity aspects, the authors also point to some applications perspectives for biodegradation products and to rational modifications of diene rubbers by combining both methodologies.
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Affiliation(s)
- Franciela Arenhart Soares
- International Center for Research on Innovative Biobased Materials (ICRI-BioM)-International Research Agenda, Lodz University of Technology, Żeromskiego 116, Lodz, 90-924, Poland
| | - Alexander Steinbüchel
- International Center for Research on Innovative Biobased Materials (ICRI-BioM)-International Research Agenda, Lodz University of Technology, Żeromskiego 116, Lodz, 90-924, Poland
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5
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Li M, Pester CW. Mixed Polymer Brushes for "Smart" Surfaces. Polymers (Basel) 2020; 12:E1553. [PMID: 32668820 PMCID: PMC7408536 DOI: 10.3390/polym12071553] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 12/26/2022] Open
Abstract
Mixed polymer brushes (MPBs) are composed of two or more disparate polymers covalently tethered to a substrate. The resulting phase segregated morphologies have been extensively studied as responsive "smart" materials, as they can be reversible tuned and switched by external stimuli. Both computational and experimental work has attempted to establish an understanding of the resulting nanostructures that vary as a function of many factors. This contribution highlights state-of-the-art MPBs studies, covering synthetic approaches, phase behavior, responsiveness to external stimuli as well as novel applications of MPBs. Current limitations are recognized and possible directions for future studies are identified.
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Affiliation(s)
- Mingxiao Li
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, USA;
| | - Christian W. Pester
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, USA;
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
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6
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Fitzgerald ER, Mineo AM, Pryor ML, Buck ME. Photomediated post-fabrication modification of azlactone-functionalized gels for the development of hydrogel actuators. SOFT MATTER 2020; 16:6044-6049. [PMID: 32638814 DOI: 10.1039/d0sm00832j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We report an approach for the photomediated post-fabrication modification of reactive, azlactone-containing gels using light-initiated deprotection of amines caged with 2-(nitrophenyl)propyloxycarbonyl (NPPOC). Photomediated modification of these gels can be used to generate a gradient in chemical functionality. When functionalized with tertiary amine groups, these gradient gels exhibit rapid and reversible shape deformations in response to changes in pH.
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Affiliation(s)
- Emily R Fitzgerald
- Department of Chemistry, Smith College, Northampton, Massachusetts 01063, USA.
| | - Autumn M Mineo
- Department of Chemistry, Smith College, Northampton, Massachusetts 01063, USA.
| | - Mae L Pryor
- Department of Chemistry, Smith College, Northampton, Massachusetts 01063, USA.
| | - Maren E Buck
- Department of Chemistry, Smith College, Northampton, Massachusetts 01063, USA.
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7
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Ren J, Liu H, Zhang X, Hu Y, Zhou G, Masuda T. Amide transformation as an efficient postpolymerization modification approach for the synthesis of functional polyacetylenes. Polym Chem 2020. [DOI: 10.1039/d0py00398k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Modification of a precursor polyacetylene with various amines and alcohols through amide transformation gives access to a series of functional polymers showing nonlinear optical, luminescence, enhanced surface energy, and redox active properties.
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Affiliation(s)
- Juntao Ren
- Key Laboratory of Synthetic Rubber
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Heng Liu
- Key Laboratory of Synthetic Rubber
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Xuequan Zhang
- Key Laboratory of Synthetic Rubber
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Yanming Hu
- Division of Energy Materials
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Guangyuan Zhou
- Division of Energy Materials
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Toshio Masuda
- College of Materials Science and Engineering
- Shanghai University
- Shanghai 200444
- China
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8
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Schmidt AC, Turgut H, Le D, Beloqui A, Delaittre G. Making the best of it: nitroxide-mediated polymerization of methacrylates via the copolymerization approach with functional styrenics. Polym Chem 2020. [DOI: 10.1039/c9py01458f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The addition of 5 mol% of functional styrenics imparts control to the SG1-mediated polymerization of methacrylates and provides access to nanostructured functional methacrylic materials.
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Affiliation(s)
- Aaron C. Schmidt
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Institute for Chemical Technology and Polymer Chemistry
| | - Hatice Turgut
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Institute for Chemical Technology and Polymer Chemistry
| | - Dao Le
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Institute for Chemical Technology and Polymer Chemistry
| | - Ana Beloqui
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Institute for Chemical Technology and Polymer Chemistry
| | - Guillaume Delaittre
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Institute for Chemical Technology and Polymer Chemistry
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9
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Aubert S, Bezagu M, Spivey AC, Arseniyadis S. Spatial and temporal control of chemical processes. Nat Rev Chem 2019. [DOI: 10.1038/s41570-019-0139-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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10
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Hespel L, Dupré de Baubigny J, Lalanne P, de Beco S, Coppey M, Villard C, Humblot V, Marie E, Tribet C. Redox-Triggered Control of Cell Adhesion and Deadhesion on Poly(lysine)- g-poly(ethylene oxide) Adlayers. ACS APPLIED BIO MATERIALS 2019; 2:4367-4376. [DOI: 10.1021/acsabm.9b00601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Louise Hespel
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Julien Dupré de Baubigny
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Pierre Lalanne
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Simon de Beco
- Laboratoire Physico Chimie, Institut Curie, PSL Université, Sorbonne Université, CNRS UMR168, F-75005 Paris, France
| | - Mathieu Coppey
- Laboratoire Physico Chimie, Institut Curie, PSL Université, Sorbonne Université, CNRS UMR168, F-75005 Paris, France
| | - Catherine Villard
- Laboratoire Physico Chimie, Institut Curie, PSL Université, Sorbonne Université, CNRS UMR168, F-75005 Paris, France
| | - Vincent Humblot
- Laboratoire Réactivité de Surface, Sorbonne Université, CNRS UMR 7197, 4 Place Jussieu, F-75005 Paris, France
| | - Emmanuelle Marie
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Christophe Tribet
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
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11
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A pH-stable, crosslinked stationary phase based on the thiol-yne reaction. J Chromatogr A 2019; 1598:132-140. [PMID: 30981512 DOI: 10.1016/j.chroma.2019.03.058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 03/26/2019] [Accepted: 03/27/2019] [Indexed: 02/05/2023]
Abstract
Stationary phases that can withstand extremes of pH and temperature are needed to allow a single column to accommodate a wider set of solutes and separation criteria. We used a simple multi-step process using the thiol-yne reaction following the modification of the silica surface with a thiol-containing silane. The monomers 1,4-diethynylbenzene (DEB) and 1,6-hexanedithiol were used to create a crosslinked thiol-yne (CTY) stationary phase along the surface of the thiol functionalized silica. In the Tanaka test characterization, the CTY phase showed a low phase ratio, methylene selectivity typical of a reversed phase, and extremely high shape selectivity compared to commercial reversed phases. The hydrophobic subtraction model characterization showed a high positive steric resistance, a low hydrogen bond acidity, and a high cation-exchange capacity compared to most reversed phases. At pH 0.5 with an 85% aqueous mobile phase the phase showed no significant change over 114 h. With a 50% aqueous mobile phase the phase took four more days than a sterically protected C18 phase for the k' to decline 25%. At pH 12.6, 50% aqueous mobile phase, a sterically protected C18 phase showed a 20% decrease in k' and more than a 60% decrease in theoretical plates per meter in three hours. The CTY phase actually showed modest increases in k' and theoretical plates per meter after three hours.
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12
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Noy JM, Li Y, Smolan W, Roth PJ. Azide–para-Fluoro Substitution on Polymers: Multipurpose Precursors for Efficient Sequential Postpolymerization Modification. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00109] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Janina-Miriam Noy
- Centre for Advanced Macromolecular Design, University of New South Wales, Kensington, Sydney, New South Wales 2052, Australia
| | - Yuman Li
- Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, U.K
| | - Willi Smolan
- Centre for Advanced Macromolecular Design, University of New South Wales, Kensington, Sydney, New South Wales 2052, Australia
| | - Peter J. Roth
- Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, U.K
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13
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Lenzi V, Driest PJ, Dijkstra DJ, Ramos MM, Marques LS. Investigation on the intermolecular interactions in aliphatic isocyanurate liquids: revealing the importance of dispersion. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.01.165] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Jin H, Jian T, Ding YH, Chen Y, Mu P, Wang L, Chen CL. Solid-phase synthesis of three-armed star-shaped peptoids and their hierarchical self-assembly. Biopolymers 2019; 110:e23258. [PMID: 30676654 DOI: 10.1002/bip.23258] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/04/2019] [Accepted: 01/09/2019] [Indexed: 12/19/2022]
Abstract
Due to the branched structure feature and unique properties, a variety of star-shaped polymers have been designed and synthesized. Despite those advances, solid-phase synthesis of star-shaped sequence-defined synthetic polymers that exhibit hierarchical self-assembly remains a significant challenge. Hence, we present an effective strategy for the solid-phase synthesis of three-armed star-shaped peptoids, in which ethylenediamine was used as the centric star pivot. Based on the sequence of monomer addition, a series of AA'A''-type and ABB'-type peptoids were synthesized and characterized by UPLC-MS (ultrahigh performance liquid chromatography-mass spectrometry). By taking advantage of the easy-synthesis and large side-chain diversity, we synthesized star-shaped peptoids with tunable functions. We further demonstrated the aqueous self-assembly of some representative peptoids into biomimetic nanomaterials with well-defined hierarchical structures, such as nanofibers and nanotubes. These results indicate that star-shaped peptoids offer the potential in self-assembly of biomimetic nanomaterials with tunable chemistries and functions.
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Affiliation(s)
- Haibao Jin
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
| | - Tengyue Jian
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
| | - Yan-Huai Ding
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
- Institute of Rheological Mechanics, Xiangtan University, Xiangtan, Hunan, China
| | - Yulin Chen
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
| | - Peng Mu
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
- Department of Mechanical Engineering and Materials Science and Engineering Program, State University of New York, Binghamton, New York
| | - Lei Wang
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi, China
| | - Chun-Long Chen
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Western Australia
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15
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Reese CM, Thompson BJ, Logan PK, Stafford CM, Blanton M, Patton DL. Sequential and one-pot post-polymerization modification reactions of thiolactone-containing polymer brushes. Polym Chem 2019; 10:10.1039/c9py01123d. [PMID: 32117471 PMCID: PMC7047779 DOI: 10.1039/c9py01123d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Thiolactone chemistry has garnered significant attention as a powerful post-polymerization modification (PPM) route to mutlifunctional polymeric materials. Here, we apply this versatile chemistry to the fabrication of ultrathin, multifunctional polymer surfaces via aminolysis and thiol-mediated double modifications of thiolactone-containing polymer brushes. Polymer brush surfaces were synthesized via microwave-assisted surface-initiated polymerization of DL-homocysteine thiolactone acrylamide. Aminolysis and thiol-Michael double modifications of the thiolactone-functional brush were explored using both sequential and one-pot reactions with bromobenzyl amine and 1H,1H-perfluoro-N-decyl acrylate. X-ray photoelectron spectroscopy and argon gas cluster ion sputter depth profiling enabled quantitative comparison of the sequential and one-pot PPM routes with regard to conversion and spatial distribution of functional groups immobilized throughout thickness of the brush. While one-pot conditions proved to be more effective in immobilizing the amine and acrylate within the brush, the sequenital reaction enabled the fabrication of multifunctional, micropattterned brush surfaces using reactive microcontact printing.
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Affiliation(s)
- Cassandra M Reese
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Brittany J Thompson
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Phillip K Logan
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Christopher M Stafford
- Materials Science and Engineering Division, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Michael Blanton
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Derek L Patton
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
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16
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Dzhardimalieva GI, Uflyand IE. Synthetic Methodologies for Chelating Polymer Ligands: Recent Advances and Future Development. ChemistrySelect 2018. [DOI: 10.1002/slct.201802516] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Gulzhian I. Dzhardimalieva
- Laboratory of MetallopolymersThe Institute of Problems of Chemical Physics RAS Academician Semenov avenue 1, Chernogolovka, Moscow Region 142432 Russian Federation
| | - Igor E. Uflyand
- Department of ChemistrySouthern Federal University B. Sadovaya str. 105/42, Rostov-on-Don 344006 Russian Federation
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17
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Lenzi V, Driest PJ, Dijkstra DJ, Ramos MMD, Marques LSA. GAFF-IC: realistic viscosities for isocyanate molecules with a GAFF-based force field. MOLECULAR SIMULATION 2018. [DOI: 10.1080/08927022.2018.1554902] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Veniero Lenzi
- Department/Centre of Physics, University of Minho, Braga, Portugal
| | - Piet J. Driest
- Covestro Deutschland AG, CAS-Global R&D, Leverkusen, Germany
- Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, Netherlands
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18
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Zhan W, Wei T, Yu Q, Chen H. Fabrication of Supramolecular Bioactive Surfaces via β-Cyclodextrin-Based Host-Guest Interactions. ACS APPLIED MATERIALS & INTERFACES 2018; 10:36585-36601. [PMID: 30285413 DOI: 10.1021/acsami.8b12130] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Supramolecular host-guest interactions provide a facile and versatile basis for the construction of sophisticated structures and functional assemblies through specific molecular recognition of host and guest molecules to form inclusion complexes. In recent years, these interactions have been exploited as a means of attaching bioactive molecules and polymers to solid substrates for the fabrication of bioactive surfaces. Using a common host molecule, β-cyclodextrin (β-CD), and various guest molecules as molecular building blocks, we fabricated several types of bioactive surfaces with multifunctionality and/or function switchability via host-guest interactions. Other groups have also taken this approach, and several intelligent designs have been developed. The results of these investigations indicate that, compared to the more common covalent bonding-based methods for attachment of bioactive ligands, host-guest based methods are simple, more broadly ("universally") applicable, and allow convenient renewal of bioactivity. In this Spotlight on Applications, we review and summarize recent developments in the fabrication of supramolecular bioactive surfaces via β-CD-based host-guest interactions. The main focus is on the work from our laboratory, but highlights on work from other groups are included. Applications of the materials are also emphasized. These surfaces can be categorized into three types based on: (i) self-assembled monolayers, (ii) polymer brushes, and (iii) multilayered films. The host-guest strategy can be extended from material surfaces to living cell surfaces, and work along these lines is also reviewed. Finally, a brief perspective on the developments of supramolecular bioactive surfaces in the future is presented.
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Affiliation(s)
- Wenjun Zhan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Ting Wei
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Qian Yu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Hong Chen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
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19
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Kwasny MT, Watkins CM, Posey ND, Matta ME, Tew GN. Functional Polyethylenes with Precisely Placed Thioethers and Sulfoniums through Thiol–Ene Polymerization. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00334] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Michael T. Kwasny
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Carolyn M. Watkins
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Nicholas D. Posey
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Megan E. Matta
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Gregory N. Tew
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
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20
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Zhao X, Zhang R, Liu Y, He M, Su Y, Gao C, Jiang Z. Antifouling membrane surface construction: Chemistry plays a critical role. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.01.039] [Citation(s) in RCA: 236] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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21
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Durie K, Yatvin J, Kovaliov M, Crane GH, Horn J, Averick S, Locklin J. SuFEx Postpolymerization Modification Kinetics and Reactivity in Polymer Brushes. Macromolecules 2018. [DOI: 10.1021/acs.macromol.7b02372] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Karson Durie
- Department of Chemistry and College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Jeremy Yatvin
- Department of Chemistry and College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Marina Kovaliov
- Laboratory for Biomolecular Medicine, Allegheny Health Network Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Grant H. Crane
- Department of Chemistry and College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Jessica Horn
- Department of Chemistry and College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Saadyah Averick
- Laboratory for Biomolecular Medicine, Allegheny Health Network Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Jason Locklin
- Department of Chemistry and College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
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22
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Guo W, Reese CM, Xiong L, Logan PK, Thompson BJ, Stafford CM, Ievlev AV, Lokitz BS, Ovchinnikova OS, Patton DL. Buckling Instabilities in Polymer Brush Surfaces via Postpolymerization Modification. Macromolecules 2017; 50:8670-8677. [PMID: 29503464 PMCID: PMC5831323 DOI: 10.1021/acs.macromol.7b01888] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report a simple route to engineer ultrathin polymer brush surfaces with wrinkled morphologies using post-polymerization modification (PPM), where the length scale of the buckled features can be tuned from hundreds of nanometers to one micrometer using PPM reaction time. We show that partial crosslinking of the outer layer of the polymer brush under poor solvent conditions is critical to obtain wrinkled morphologies upon swelling. Characterization of the PPM kinetics and swelling behavior via ellipsometry and the through-thickness composition profile via time-of-flight secondary ion mass spectroscopy (ToF-SIMS) provided keys insight into parameters influencing the buckling behavior.
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Affiliation(s)
- Wei Guo
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Cassandra M. Reese
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Li Xiong
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Phillip K. Logan
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Brittany J. Thompson
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
| | - Christopher M. Stafford
- Materials Science and Engineering Division, Materials Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Anton V. Ievlev
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN
| | - Bradley S. Lokitz
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN
| | - Olga S. Ovchinnikova
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN
| | - Derek L. Patton
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406
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23
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Bolotin DS, Bokach NA, Demakova MY, Kukushkin VY. Metal-Involving Synthesis and Reactions of Oximes. Chem Rev 2017; 117:13039-13122. [PMID: 28991449 DOI: 10.1021/acs.chemrev.7b00264] [Citation(s) in RCA: 132] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This review classifies and summarizes the past 10-15 years of advancements in the field of metal-involving (i.e., metal-mediated and metal-catalyzed) reactions of oximes. These reactions are diverse in nature and have been employed for syntheses of oxime-based metal complexes and cage-compounds, oxime functionalizations, and the preparation of new classes of organic species, in particular, a wide variety of heterocyclic systems spanning small 3-membered ring systems to macroheterocycles. This consideration gives a general outlook of reaction routes, mechanisms, and driving forces and underlines the potential of metal-involving conversions of oxime species for application in various fields of chemistry and draws attention to the emerging putative targets.
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Affiliation(s)
- Dmitrii S Bolotin
- Institute of Chemistry, Saint Petersburg State University , Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation
| | - Nadezhda A Bokach
- Institute of Chemistry, Saint Petersburg State University , Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation
| | - Marina Ya Demakova
- Institute of Chemistry, Saint Petersburg State University , Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation
| | - Vadim Yu Kukushkin
- Institute of Chemistry, Saint Petersburg State University , Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation
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24
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Harris T, Gomes GDP, Ayad S, Clark RJ, Lobodin VV, Tuscan M, Hanson K, Alabugin IV. Twisted Cycloalkynes and Remote Activation of “Click” Reactivity. Chem 2017. [DOI: 10.1016/j.chempr.2017.07.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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25
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Burke EG, Schomaker JM. Synthetic Applications of Flexible SNO-OCT Strained Alkynes and Their Use in Postpolymerization Modifications. J Org Chem 2017; 82:9038-9046. [PMID: 28795808 DOI: 10.1021/acs.joc.7b01506] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
SNO-OCTs are eight-membered heterocyclic alkynes that have fast rates of reactivity with 1,3-dipoles. In contrast to many other reported cycloalkynes, SNO-OCTs contain multiple sites for derivatization, display stability under a variety of common reaction conditions, and offer the opportunity for strain-induced ring-opening following the initial reaction of the alkyne moiety. In this paper, we describe how the unique features of SNO-OCTs can be employed to modify an oxime-bearing styrene copolymer and introduce an array of polar functionalities into the polymer. This can be achieved through both the addition of SNO-OCT to the polymer, as well as in the subsequent opening of the sulfamate ring once it has been installed in the polymer.
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Affiliation(s)
- Eileen G Burke
- Department of Chemistry, University of Wisconsin-Madison , 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Jennifer M Schomaker
- Department of Chemistry, University of Wisconsin-Madison , 1101 University Avenue, Madison, Wisconsin 53706, United States
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26
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Li ZL, Zeng FR, Li HC, Zeng WL, Cai HC, Jiang H. Marriage of ring-opening metathesis polymerization and thiol-maleimide chemistries: Direct polymerization of prefunctionalized monomers or postpolymerization modification? POLYMER 2017. [DOI: 10.1016/j.polymer.2017.06.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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27
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Guo W, Xiong L, Reese CM, Amato DV, Thompson BJ, Logan PK, Patton DL. Post-polymerization modification of styrene–maleic anhydride copolymer brushes. Polym Chem 2017. [DOI: 10.1039/c7py01659j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Amine-anhydride reactions on polymer brushes provide a modular post-modification strategy to functional surfaces.
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Affiliation(s)
- Wei Guo
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
| | - Li Xiong
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
| | - Cassandra M. Reese
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
| | - Douglas V. Amato
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
| | - Brittany J. Thompson
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
| | - Phillip K. Logan
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
| | - Derek L. Patton
- School of Polymer Science and Engineering
- University of Southern Mississippi
- Hattiesburg
- USA
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28
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Luo W, Gobbo P, McNitt CD, Sutton DA, Popik VV, Workentin MS. “Shine & Click” Photo-Induced Interfacial Unmasking of Strained Alkynes on Small Water-Soluble Gold Nanoparticles. Chemistry 2016; 23:1052-1059. [DOI: 10.1002/chem.201603398] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Wilson Luo
- Department of Chemistry and Centre for Materials and Biomaterials Research; Western University; 1151 Richmond St. London ON N6A 5B7 Canada
| | - Pierangelo Gobbo
- Department of Chemistry and Centre for Materials and Biomaterials Research; Western University; 1151 Richmond St. London ON N6A 5B7 Canada
| | | | - Dewey A. Sutton
- Department of Chemistry; University of Georgia; Athens GA 30602 United States
| | - Vladimir V. Popik
- Department of Chemistry; University of Georgia; Athens GA 30602 United States
| | - Mark S. Workentin
- Department of Chemistry and Centre for Materials and Biomaterials Research; Western University; 1151 Richmond St. London ON N6A 5B7 Canada
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29
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Pester CW, Narupai B, Mattson KM, Bothman DP, Klinger D, Lee KW, Discekici EH, Hawker CJ. Engineering Surfaces through Sequential Stop-Flow Photopatterning. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:9292-9300. [PMID: 27615382 DOI: 10.1002/adma.201602900] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 07/14/2016] [Indexed: 06/06/2023]
Abstract
Solution-exchange lithography is a new modular approach to engineer surfaces via sequential photopatterning. An array of lenses reduces features on an inkjet-printed photomask and reproduces arbitrarily complex patterns onto surfaces. In situ exchange of solutions allows successive photochemical reactions without moving the substrate and affords access to hierarchically patterned substrates.
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Affiliation(s)
- Christian W Pester
- Materials Research Laboratory (MRL), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
- Materials Department, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Benjaporn Narupai
- Materials Research Laboratory (MRL), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Kaila M Mattson
- Materials Research Laboratory (MRL), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - David P Bothman
- Department of Mechanical and Environmental Engineering, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Daniel Klinger
- Institut für Pharmazie, Freie Universität Berlin, 14195, Berlin, Germany
| | - Kenneth W Lee
- Department of Physics, University of California, Santa Barbara, CA, 93106, USA
| | - Emre H Discekici
- Materials Research Laboratory (MRL), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Craig J Hawker
- Materials Research Laboratory (MRL), University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
- Materials Department, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
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30
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Sola L, Damin F, Gagni P, Consonni R, Chiari M. Synthesis of Clickable Coating Polymers by Postpolymerization Modification: Applications in Microarray Technology. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:10284-10295. [PMID: 27632284 DOI: 10.1021/acs.langmuir.6b02816] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this paper, we report on the postpolymerization modification (PPM) of a polymer to introduce new functionalities that enable click chemistry reactions for microarray applications. The parent polymer, named copoly(DMA-NAS-MAPS), is composed of N,N-dimethylacrylamide (DMA), a monomer that self-adsorbs onto different materials through weak interactions such as hydrogen bonding or van der Waals forces, 3-(trimethoxysilyl)propyl methacrylate (MAPS) that strengthens the stability of the coating through the formation of covalent bonds with siloxane groups on the surface to be coated, and N-acryloyloxysuccinimide (NAS), an active ester group, highly reactive toward nucleophiles, which enables bioprobe immobilization. This copolymer has been widely exploited to coat surfaces for microarray applications but exhibits some limitations because of the potential hydrolysis of the active ester (NHS ester). The degradation of the NHS ester hampers the use of this coating in some situations, for example, when probe immobilization cannot be accomplished through a microspotting situation, but in large volumes, for example, in microchannel derivatization or micro-/nanoparticle functionalization. To overcome the limitations of NHS esters, we have developed a family of polymers that originate from the common copolymer precursor, by reacting the active ester contained in the polymer chain with a bifunctional amine. In particular, the functional groups introduced in the polymer using PPM enable click chemistry reactions such as azide/alkyne or thiol/maleimide "click" reactions, with suitably modified biomolecules. The advantages of such reactions are quantitative yields, orthogonality of functional groups, and insensitivity of the reaction to pH. The new click functionalities, inserted with quantitative yields, improve the stability of the coating, enabling the attachment of biomolecules directly from a solution and avoiding the spotting of reduced volumes (pL) of probes. Finally, we have demonstrated the applicability of the click surfaces in a highly effective solid-phase PCR for the genotyping of the G12D KRAS mutation.
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Affiliation(s)
- Laura Sola
- Istituto di Chimica del Riconoscimento Molecolare, CNR , Via Mario Bianco 9, 20131 Milano, Italy
| | - Francesco Damin
- Istituto di Chimica del Riconoscimento Molecolare, CNR , Via Mario Bianco 9, 20131 Milano, Italy
| | - Paola Gagni
- Istituto di Chimica del Riconoscimento Molecolare, CNR , Via Mario Bianco 9, 20131 Milano, Italy
| | - Roberto Consonni
- Istituto per lo Studio delle Macromolecole, CNR , Via Corti 12, 20133 Milano, Italy
| | - Marcella Chiari
- Istituto di Chimica del Riconoscimento Molecolare, CNR , Via Mario Bianco 9, 20131 Milano, Italy
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31
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Zayas-Gonzalez YM, Lynn DM. Degradable Amine-Reactive Coatings Fabricated by the Covalent Layer-by-Layer Assembly of Poly(2-vinyl-4,4-dimethylazlactone) with Degradable Polyamine Building Blocks. Biomacromolecules 2016; 17:3067-75. [PMID: 27525718 DOI: 10.1021/acs.biomac.6b00975] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report the fabrication of reactive and degradable cross-linked polymer multilayers by the reactive/covalent layer-by-layer assembly of a non-degradable azlactone-functionalized polymer [poly(2-vinyl-4,4-dimethylazlactone), PVDMA] with hydrolytically or enzymatically degradable polyamine building blocks. Fabrication of multilayers using PVDMA and a hydrolytically degradable poly(β-amino ester) (PBAE) containing primary amine side chains yielded multilayers (∼100 nm thick) that degraded over ∼12 days in physiologically relevant media. Physicochemical characterization and studies on stable films fabricated using PVDMA and an analogous non-degradable poly(amidoamine) suggested that erosion occurred by chemical hydrolysis of backbone esters in the PBAE components of these assemblies. These degradable assemblies also contained residual amine-reactive azlactone functionality that could be used to impart new functionality to the coatings post-fabrication. Cross-linked multilayers fabricated using PVDMA and the enzymatically degradable polymer poly(l-lysine) were structurally stable for prolonged periods in physiological media, but degraded over ∼24 h when the enzyme trypsin was added. Past studies demonstrate that multilayers fabricated using PVDMA and non-degradable polyamines [e.g., poly(ethylenimine)] enable the design and patterning of useful nano/biointerfaces and other materials that are structurally stable in physiological media. The introduction of degradable functionality into PVDMA-based multilayers creates opportunities to exploit the reactivity of azlactone groups for the design of reactive materials and functional coatings that degrade or erode in environments that are relevant in biomedical, biotechnological, and environmental contexts. This "degradable building block" strategy should be general; we anticipate that this approach can also be extended to the design of amine-reactive multilayers that degrade upon exposure to specific chemical triggers, selective enzymes, or contact with cells by judicious design of the degradable polyamine building blocks used to fabricate the coatings.
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Affiliation(s)
- Yashira M Zayas-Gonzalez
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison , 1415 Engineering Drive, Madison, Wisconsin 53706, United States , and
| | - David M Lynn
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison , 1415 Engineering Drive, Madison, Wisconsin 53706, United States , and.,Department of Chemistry, University of Wisconsin-Madison , 1101 University Avenue, Madison, Wisconsin 53706, United States
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32
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Yatvin J, Brooks K, Locklin J. SuFEx Click: New Materials from SO
x
F and Silyl Ethers. Chemistry 2016; 22:16348-16354. [DOI: 10.1002/chem.201602926] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Indexed: 12/28/2022]
Affiliation(s)
- Jeremy Yatvin
- Department of Chemistry College of Engineering, and the Center for Nanoscale Science and Engineering University of Georgia University of Georgia Athens Georgia 30602 USA
| | - Karson Brooks
- Department of Chemistry College of Engineering, and the Center for Nanoscale Science and Engineering University of Georgia University of Georgia Athens Georgia 30602 USA
| | - Jason Locklin
- Department of Chemistry College of Engineering, and the Center for Nanoscale Science and Engineering University of Georgia University of Georgia Athens Georgia 30602 USA
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33
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Wu H, Liu S, Xiao L, Dong X, Lu Q, Kaplan DL. Injectable and pH-Responsive Silk Nanofiber Hydrogels for Sustained Anticancer Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2016; 8:17118-26. [PMID: 27315327 DOI: 10.1021/acsami.6b04424] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Silk is useful as a drug carrier due to its biocompatibility, tunable degradation, and outstanding capacity in maintaining the function of drugs. Injectable silk hydrogels could deliver doxorubicin (DOX) for localized chemotherapy for breast cancer. To improve hydrogel properties, thixotropic silk nanofiber hydrogels in an all-aqueous solution were prepared and used to locally deliver DOX. The silk hydrogels displayed thixotropic capacity, allowing for easy injectability followed by solidification in situ. The hydrogels were loaded with DOX and released the drug over eight weeks with pH- and concentration-dependent release kinetics. In vitro and in vivo studies demonstrated that DOX-loaded silk hydrogels had good antitumor response, outperforming the equivalent dose of free DOX administered intravenously. Thixotropic silk hydrogels provide improved injectability to support sustained release, suggesting promising applications for localized chemotherapy.
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Affiliation(s)
- Hongchun Wu
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China
| | - Shanshan Liu
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China
| | - Liying Xiao
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, P.R. China
| | - Xiaodan Dong
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, P.R. China
| | - Qiang Lu
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, P.R. China
| | - David L Kaplan
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China
- Department of Biomedical Engineering, Tufts University , Medford, Massachusetts 02155, United States
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34
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Durie K, Yatvin J, McNitt CD, Reese RA, Jung C, Popik VV, Locklin J. Multifunctional Surface Manipulation Using Orthogonal Click Chemistry. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:6600-6605. [PMID: 27280689 DOI: 10.1021/acs.langmuir.6b01591] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Polymer brushes are excellent substrates for the covalent immobilization of a wide variety of molecules due to their unique physicochemical properties and high functional group density. By using reactive microcapillary printing, poly(pentafluorophenyl acrylate) brushes with rapid kinetic rates toward aminolysis can be partially patterned with other click functionalities such as strained cyclooctyne derivatives and sulfonyl fluorides. This trireactive surface can then react locally and selectively in a one pot reaction via three orthogonal chemistries at room temperature: activated ester aminolysis, strain promoted azide-alkyne cycloaddition, and sulfur(VI) fluoride exchange, all of which are tolerant of ambient moisture and oxygen. Furthermore, we demonstrate that these reactions can also be used to create areas of morphologically distinct surface features on the nanoscale, by inducing buckling instabilities in the films and the grafting of nanoparticles. This approach is modular, and allows for the development of highly complex surface motifs patterned with different chemistry and morphology.
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Affiliation(s)
- Karson Durie
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Jeremy Yatvin
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Christopher D McNitt
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - R Alexander Reese
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Calvin Jung
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Vladimir V Popik
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Jason Locklin
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
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35
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Jung S, Choi CH, Lee CS, Yi H. Integrated fabrication-conjugation methods for polymeric and hybrid microparticles for programmable drug delivery and biosensing applications. Biotechnol J 2016; 11:1561-1571. [PMID: 27365166 DOI: 10.1002/biot.201500298] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 06/06/2016] [Accepted: 06/07/2016] [Indexed: 12/11/2022]
Abstract
Functionalized polymeric microparticles possess significant potential for controlled drug delivery and biosensing applications, yet current fabrication techniques face challenges in simple and scalable fabrication and biofunctionalization. For programmable manufacture of biofunctional microparticles in a simple manner, we have developed robust micromolding methods combined with biopolymeric conjugation handles and bioorthogonal click reactions. In this focused minireview, we present detailed methods for our integrated approaches for fabrication of microparticles with controlled 2D and 3D shapes and dimensions toward controlled release, and for biomacromolecular conjugation via strain promoted alkyne-azide cycloaddition (SPAAC) and tetrazine-trans-cyclooctene (Tz-TCO) ligation reactions utilizing a potent aminopolysaccharide chitosan as an efficient conjugation handle. We believe that the fabrication-conjugation methods reported here from a range of our recent reports illustrate the simple, robust and readily reproducible nature of our approaches to creating multifaceted microparticles in a programmable, cost-efficient and scalable manner toward a wide range of medical and biotechnological application areas.
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Affiliation(s)
- Sukwon Jung
- Department of Chemical and Biological Engineering, Tufts University, Medford, MA, USA
| | - Chang-Hyung Choi
- Department of Chemical Engineering, Chungnam National University, Daejeon, Republic of Korea.,Current Affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Chang-Soo Lee
- Department of Chemical Engineering, Chungnam National University, Daejeon, Republic of Korea
| | - Hyunmin Yi
- Department of Chemical and Biological Engineering, Tufts University, Medford, MA, USA
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36
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Barner-Kowollik C, Goldmann AS, Schacher FH. Polymer Interfaces: Synthetic Strategies Enabling Functionality, Adaptivity, and Spatial Control. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00650] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Christopher Barner-Kowollik
- Preparative
Macromolecular Chemistry, Institut für Technische Chemie und
Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128 Karlsruhe, Germany
- Institut
für Biologische Grenzflächen, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- School
of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Anja S. Goldmann
- Preparative
Macromolecular Chemistry, Institut für Technische Chemie und
Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128 Karlsruhe, Germany
- Institut
für Biologische Grenzflächen, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Felix H. Schacher
- Institute
of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, 07743 Jena, Germany
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37
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Oakdale JS, Kwisnek L, Fokin VV. Selective and Orthogonal Post-Polymerization Modification using Sulfur(VI) Fluoride Exchange (SuFEx) and Copper-Catalyzed Azide–Alkyne Cycloaddition (CuAAC) Reactions. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00101] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- James S. Oakdale
- The Bridge at USC and Loker Hydrocarbon
Research Institute, Department of Chemistry, University of Southern California, 837 Bloom Walk, Los Angeles, California 90089, United States
| | - Luke Kwisnek
- The Bridge at USC and Loker Hydrocarbon
Research Institute, Department of Chemistry, University of Southern California, 837 Bloom Walk, Los Angeles, California 90089, United States
| | - Valery V. Fokin
- The Bridge at USC and Loker Hydrocarbon
Research Institute, Department of Chemistry, University of Southern California, 837 Bloom Walk, Los Angeles, California 90089, United States
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38
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Hetemi D, Médard J, Kanoufi F, Combellas C, Pinson J, Podvorica FI. Surface Modification of Polymers by Reaction of Alkyl Radicals. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:512-518. [PMID: 26653398 DOI: 10.1021/acs.langmuir.5b03669] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The surfaces of poly(methyl methacrylate) and polyethylene are modified either (i) by a two-step process including the thermal reaction of alkyl radicals derived from bromohexanoic acid in a mixture of 2,6-dimethylbenzene diazonium salt and neat isopentyl nitrite at 60 °C, followed by reaction with p-nitroaniline, anthraquinone, neutral red, and polyethylene glycol moieties, or (ii) by reaction of a previously anthraquinone-modified bromohexanoic acid. The modified surfaces are characterized by IR, XPS, UV, and water contact angles. A mechanism is proposed to rationalize the results. This approach is an efficient way to modify and pattern polymer surfaces with different organic groups and chemical functionalities under mild conditions.
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Affiliation(s)
- Dardan Hetemi
- Univ Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS , 15 rue J-A de Baïf, 75205 Paris Cedex 13, France
- Chemistry Department of Natural Sciences Faculty, University of Prishtina , rr. "NënaTereze" nr.5, 10000 Prishtina, Kosovo
| | - Jérôme Médard
- Univ Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS , 15 rue J-A de Baïf, 75205 Paris Cedex 13, France
| | - Frédéric Kanoufi
- Univ Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS , 15 rue J-A de Baïf, 75205 Paris Cedex 13, France
| | - Catherine Combellas
- Univ Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS , 15 rue J-A de Baïf, 75205 Paris Cedex 13, France
| | - Jean Pinson
- Univ Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS , 15 rue J-A de Baïf, 75205 Paris Cedex 13, France
| | - Fetah I Podvorica
- Univ Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS , 15 rue J-A de Baïf, 75205 Paris Cedex 13, France
- Chemistry Department of Natural Sciences Faculty, University of Prishtina , rr. "NënaTereze" nr.5, 10000 Prishtina, Kosovo
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39
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Sutton DA, Yu SH, Steet R, Popik VV. Cyclopropenone-caged Sondheimer diyne (dibenzo[a,e]cyclooctadiyne): a photoactivatable linchpin for efficient SPAAC crosslinking. Chem Commun (Camb) 2016; 52:553-6. [PMID: 26538499 PMCID: PMC4689622 DOI: 10.1039/c5cc08106h] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The first fully conjugated bis-cyclopropenone (photo-DIBOD), a derivative of dibenzo[a,e][8]annulene, has been synthesized. 350-420 nm irradiation of this robust compound results in the efficient formation of dibenzo [a,e] cyclooctadiyne, an unstable, but useful SPAAC cross-linking reagent. Since photo-DIBO doesn't react with organic azides, this method allows for the spatiotemporal control of the ligation of two azide-tagged substrates.
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Affiliation(s)
- Dewey A Sutton
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
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40
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Hoff EA, Abel BA, Tretbar CA, McCormick CL, Patton DL. RAFT Polymerization of “Splitters” and “Cryptos”: Exploiting Azole-N-carboxamides As Blocked Isocyanates for Ambient Temperature Postpolymerization Modification. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02377] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Emily A. Hoff
- School of Polymers and High
Performance Materials, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Brooks A. Abel
- School of Polymers and High
Performance Materials, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Chase A. Tretbar
- School of Polymers and High
Performance Materials, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Charles L. McCormick
- School of Polymers and High
Performance Materials, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Derek L. Patton
- School of Polymers and High
Performance Materials, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
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41
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Washino Y, Michinobu T. Cross-linking and postfunctionalization of polymer films by utilizing the orthogonal reactivity of 7,7,8,8-tetracyanoquinodimethane. Phys Chem Chem Phys 2016; 18:2288-91. [DOI: 10.1039/c5cp05180k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spontaneous radical copolymerization of poly(7,7,8,8-tetracyanoquinodimethane) and α-chloromethylstyrene followed by click postfunctionalization produces colored and redox-active cross-linked polymer films.
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Affiliation(s)
- Yusuke Washino
- Department of Organic and Polymeric Materials
- Graduate School of Science and Engineering
- Tokyo Institute of Technology
- Meguro-ku
- Japan
| | - Tsuyoshi Michinobu
- Department of Organic and Polymeric Materials
- Graduate School of Science and Engineering
- Tokyo Institute of Technology
- Meguro-ku
- Japan
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42
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Durie K, Razavi MJ, Wang X, Locklin J. Nanoscale Surface Creasing Induced by Post-polymerization Modification. ACS NANO 2015; 9:10961-10969. [PMID: 26493442 DOI: 10.1021/acsnano.5b04144] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Creasing in soft polymeric films is a result of substantial compressive stresses that trigger instability beyond a critical strain and have been directly related to failure mechanisms in different materials. However, it has been shown that programming these instabilities into soft materials can lead to new applications, such as particle sorting, deformable capillaries, and stimuli-responsive interfaces. In this work, we present a method for fabricating reproducible nanoscale surface instabilities using reactive microcontacting printing (μCP) on activated ester polymer brush layers of poly(pentafluorophenyl acrylate). The sizes and structures of the nanoscale creases can be modulated by varying the grafting density of the brush substrate and pressure applied during μCP. Stress is generated in the film under confinement due to the molecular weight increase of the side chains during post-polymerization modification, which results in substantial in-plane growth in the film and leads to the observed nanoscale creases.
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Affiliation(s)
- Karson Durie
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Mir Jalil Razavi
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Xianqiao Wang
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
| | - Jason Locklin
- Department of Chemistry, College of Engineering, and the Center for Nanoscale Science and Engineering, University of Georgia , Athens, Georgia 30602, United States
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43
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Yatvin J, Brooks K, Locklin J. SuFEx on the Surface: A Flexible Platform for Postpolymerization Modification of Polymer Brushes. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201506253] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Jeremy Yatvin
- Department of Chemistry, College of Engineering, and Nanoscale Science and Engineering Center, University of Georgia, 220 Riverbend Rd., Athens, GA (USA)
| | - Karson Brooks
- Department of Chemistry, College of Engineering, and Nanoscale Science and Engineering Center, University of Georgia, 220 Riverbend Rd., Athens, GA (USA)
| | - Jason Locklin
- Department of Chemistry, College of Engineering, and Nanoscale Science and Engineering Center, University of Georgia, 220 Riverbend Rd., Athens, GA (USA)
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Yatvin J, Brooks K, Locklin J. SuFEx on the Surface: A Flexible Platform for Postpolymerization Modification of Polymer Brushes. Angew Chem Int Ed Engl 2015; 54:13370-3. [PMID: 26350956 DOI: 10.1002/anie.201506253] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Indexed: 01/16/2023]
Abstract
Polymer brushes present a unique architecture for tailoring surface functionalities due to their distinctive physicochemical properties. However, the polymerization chemistries used to grow brushes place limitations on the monomers that can be grown directly from the surface. Several forms of click chemistry have previously been used to modify polymer brushes by postpolymerization modification with high efficiency, however, it is usually difficult to include the unprotected moieties in the original monomer. We present the use of a new form of click chemistry known as SuFEx (sulfur(VI) fluoride exchange), which allows a silyl ether to be rapidly and quantitatively clicked to a polymer brush grown by free-radical polymerization containing native -SO2F groups with rapid pseudo-first-order rates as high as 0.04 s(-1). Furthermore, we demonstrate the use of SuFEx to facilely add a variety of other chemical functional groups to brush substrates that have highly useful and orthogonal reactivity, including alkynes, thiols, and dienes.
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Affiliation(s)
- Jeremy Yatvin
- Department of Chemistry, College of Engineering, and Nanoscale Science and Engineering Center, University of Georgia, 220 Riverbend Rd., Athens, GA (USA)
| | - Karson Brooks
- Department of Chemistry, College of Engineering, and Nanoscale Science and Engineering Center, University of Georgia, 220 Riverbend Rd., Athens, GA (USA)
| | - Jason Locklin
- Department of Chemistry, College of Engineering, and Nanoscale Science and Engineering Center, University of Georgia, 220 Riverbend Rd., Athens, GA (USA).
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45
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Li L, Gu J, Zhang J, Xie Z, Lu Y, Shen L, Dong Q, Wang Y. Injectable and Biodegradable pH-Responsive Hydrogels for Localized and Sustained Treatment of Human Fibrosarcoma. ACS APPLIED MATERIALS & INTERFACES 2015; 7:8033-8040. [PMID: 25838258 DOI: 10.1021/acsami.5b00389] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Injectable hydrogels are an important class of biomaterials, and they have been widely used for controlled drug release. This study evaluated an injectable hydrogel formed in situ system by the reaction of a polyethylene glycol derivative with α,β-polyaspartylhydrazide for local cancer chemotherapy. This pH-responsive hydrogel was used to realize a sol-gel phase transition, where the gel remained a free-flowing fluid before injection but spontaneously changed into a semisolid hydrogel just after administration. As indicated by scanning electron microscopy images, the hydrogel exhibited a porous three-dimensional microstructure. The prepared hydrogel was biocompatible and biodegradable and could be utilized as a pH-responsive vector for drug delivery. The therapeutic effect of the hydrogel loaded with doxorubicin (DOX) after intratumoral administration in mice with human fibrosarcoma was evaluated. The inhibition of tumor growth was more obvious in the group treated by the DOX-loaded hydrogel, compared to that treated with the free DOX solution. Hence, this hydrogel with good syringeability and high biodegradability, which focuses on local chemotherapy, may enhance the therapeutic effect on human fibrosarcoma.
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Affiliation(s)
- Liubing Li
- †The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Jun Gu
- †The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Jie Zhang
- §Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Zonggang Xie
- †The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Yufeng Lu
- †The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Liqin Shen
- †The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Qirong Dong
- †The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Yangyun Wang
- §Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
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46
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Jo H, Theato P. Post-polymerization Modification of Surface-Bound Polymers. CONTROLLED RADICAL POLYMERIZATION AT AND FROM SOLID SURFACES 2015. [DOI: 10.1007/12_2015_315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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