1
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An SC, Lim Y, Jun YC. Rapid and selective actuation of 3D-printed shape-memory composites via microwave heating. Sci Rep 2023; 13:18179. [PMID: 37875586 PMCID: PMC10598202 DOI: 10.1038/s41598-023-45519-z] [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: 09/22/2023] [Accepted: 10/20/2023] [Indexed: 10/26/2023] Open
Abstract
Three-dimensional (3D) printing allows the fabrication of complex shapes with high resolutions. However, the printed structures typically have fixed shapes and functions. Four-dimensional printing allows the shapes of 3D-printed structures to be transformed in response to external stimuli. Among the external stimuli, light has unique advantages for remote thermal actuation. However, light absorption in opaque structures occurs only near the sample surface; thus, actuation can be slow. Here, we propose and experimentally demonstrate the rapid and selective actuation of 3D-printed shape-memory polymer (SMP) composites using microwave heating. The SMP composite filaments are prepared using different amounts of graphite flakes. Microwave radiation can penetrate the entire printed structures and induce rapid heating. With sufficient graphite contents, the printed SMP composites are heated above their glass transition temperature within a few seconds. This leads to rapid thermal actuation of the 3D-printed SMP structures. Finally, dual-material 3D printing is demonstrated to induce selective microwave heating and control actuation motion. Our experiments and simulations indicate that microwave heating of SMP composites can be an effective method for the rapid and selective actuation of complex structures.
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Affiliation(s)
- Soo-Chan An
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Yeonsoo Lim
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Young Chul Jun
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
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2
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Li Z, Zhang M. Progress in the Preparation of Stimulus-Responsive Cellulose Hydrogels and Their Application in Slow-Release Fertilizers. Polymers (Basel) 2023; 15:3643. [PMID: 37688270 PMCID: PMC10490241 DOI: 10.3390/polym15173643] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Agriculture is facing challenges such as water scarcity, low fertilizer utilization, food security and environmental sustainability. Therefore, the development of slow-release fertilizer (SRF) with controlled water retention and release is particularly important. Slow-release fertilizer hydrogel (SRFH) has a three-dimensional (3D) network structure combined with fertilizer processing, displaying excellent hydrophilicity, biocompatibility and controllability. Cellulose has abundant hydroxyl groups as well as outstanding biodegradability and special mechanical properties, which make it a potential candidate material for the fabrication of hydrogels. This work would analyze and discuss various methods for preparing stimulus-responsive cellulose hydrogels and their combinations with different fertilizers. Moreover, the application and release mechanism of stimulus-responsive cellulose hydrogels in SRF have been summarized as well. Finally, we would explore the potential issues of stimulus-responsive cellulose hydrogels serving as an SRF, propose reasonable solutions and give an outlook of the future research directions.
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Affiliation(s)
- Zhenghui Li
- School of Material Science and Engineering, Beihua University, Jilin City 132013, China;
| | - Ming Zhang
- School of Material Science and Engineering, Beihua University, Jilin City 132013, China;
- Key Laboratory of Wooden Materials Science and Engineering of Jilin Province, Beihua University, Jilin City 132013, China
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3
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Balakrishnan G, Song J, Mou C, Bettinger CJ. Recent Progress in Materials Chemistry to Advance Flexible Bioelectronics in Medicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2106787. [PMID: 34751987 PMCID: PMC8917047 DOI: 10.1002/adma.202106787] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/15/2021] [Indexed: 05/09/2023]
Abstract
Designing bioelectronic devices that seamlessly integrate with the human body is a technological pursuit of great importance. Bioelectronic medical devices that reliably and chronically interface with the body can advance neuroscience, health monitoring, diagnostics, and therapeutics. Recent major efforts focus on investigating strategies to fabricate flexible, stretchable, and soft electronic devices, and advances in materials chemistry have emerged as fundamental to the creation of the next generation of bioelectronics. This review summarizes contemporary advances and forthcoming technical challenges related to three principal components of bioelectronic devices: i) substrates and structural materials, ii) barrier and encapsulation materials, and iii) conductive materials. Through notable illustrations from the literature, integration and device fabrication strategies and associated challenges for each material class are highlighted.
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Affiliation(s)
| | - Jiwoo Song
- Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
| | - Chenchen Mou
- Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
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4
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Romano A, Sangermano M, Rossegger E, Mühlbacher I, Griesser T, Giebler M, Palmara G, Frascella F, Roppolo I, Schlögl S. Hybrid silica micro-particles with light-responsive surface properties and Janus-like character. Polym Chem 2021. [DOI: 10.1039/d1py00459j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present work highlights the synthesis and post-modification of silica-based micro-particles containing photo-responsive polymer brushes with photolabile o-nitrobenzyl ester (o-NBE) chromophores.
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Affiliation(s)
- A. Romano
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - M. Sangermano
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - E. Rossegger
- Polymer Competence Center Leoben GmbH
- A-8700 Leoben
- Austria
| | - I. Mühlbacher
- Polymer Competence Center Leoben GmbH
- A-8700 Leoben
- Austria
| | - T. Griesser
- Institute of Chemistry of Polymeric Materials
- Montanuniversitaet Leoben
- A-8700 Leoben
- Austria
| | - M. Giebler
- Polymer Competence Center Leoben GmbH
- A-8700 Leoben
- Austria
| | - G. Palmara
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - F. Frascella
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - I. Roppolo
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - S. Schlögl
- Polymer Competence Center Leoben GmbH
- A-8700 Leoben
- Austria
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5
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Dennis JM, Savage AM, Mrozek RA, Lenhart JL. Stimuli‐responsive mechanical properties in polymer glasses: challenges and opportunities for defense applications. POLYM INT 2020. [DOI: 10.1002/pi.6154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Joseph M Dennis
- United States Army Research Laboratory Aberdeen Proving Ground Adelphi MD USA
| | - Alice M Savage
- United States Army Research Laboratory Aberdeen Proving Ground Adelphi MD USA
| | - Randy A Mrozek
- United States Army Research Laboratory Aberdeen Proving Ground Adelphi MD USA
| | - Joseph L Lenhart
- United States Army Research Laboratory Aberdeen Proving Ground Adelphi MD USA
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6
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Kuang X, Roach DJ, Hamel CM, Yu K, Qi HJ. Materials, design, and fabrication of shape programmable polymers. ACTA ACUST UNITED AC 2020. [DOI: 10.1088/2399-7532/aba1d9] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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7
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Romano A, Roppolo I, Rossegger E, Schlögl S, Sangermano M. Recent Trends in Applying Rrtho-Nitrobenzyl Esters for the Design of Photo-Responsive Polymer Networks. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2777. [PMID: 32575481 PMCID: PMC7344511 DOI: 10.3390/ma13122777] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/11/2020] [Accepted: 06/16/2020] [Indexed: 01/08/2023]
Abstract
Polymers with light-responsive groups have gained increased attention in the design of functional materials, as they allow changes in polymers properties, on demand, and simply by light exposure. For the synthesis of polymers and polymer networks with photolabile properties, the introduction o-nitrobenzyl alcohol (o-NB) derivatives as light-responsive chromophores has become a convenient and powerful route. Although o-NB groups were successfully exploited in numerous applications, this review pays particular attention to the studies in which they were included as photo-responsive moieties in thin polymer films and functional polymer coatings. The review is divided into four different sections according to the chemical structure of the polymer networks: (i) acrylate and methacrylate; (ii) thiol-click; (iii) epoxy; and (iv) polydimethylsiloxane. We conclude with an outlook of the present challenges and future perspectives of the versatile and unique features of o-NB chemistry.
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Affiliation(s)
- Angelo Romano
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy; (A.R.); (I.R.)
| | - Ignazio Roppolo
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy; (A.R.); (I.R.)
| | - Elisabeth Rossegger
- Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, Leoben 8700, Austria; (E.R.); (S.S.)
| | - Sandra Schlögl
- Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, Leoben 8700, Austria; (E.R.); (S.S.)
| | - Marco Sangermano
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy; (A.R.); (I.R.)
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8
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Albers PM, van der Ven LGJ, van Benthem RATM, Esteves ACC, de With G. Water Swelling Behavior of Poly(ethylene glycol)-Based Polyurethane Networks. Macromolecules 2020; 53:862-874. [PMID: 32063654 PMCID: PMC7017371 DOI: 10.1021/acs.macromol.9b02275] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/16/2020] [Indexed: 01/06/2023]
Abstract
Defects in a polymer network complicate an accurate calculation of structural parameters such as the molar mass between cross-links M c, typically obtained from experimental swelling data. In this paper the formation and structure of poly(ethylene glycol) (PEG)-based polyurethane networks containing PEG-mono methyl ether dangling chains are studied. The phantom network model can describe the swelling behavior of these networks only when a composition-dependent interaction parameter is used and the formation of allophanates is accounted for. A clear transition in the network formation is found at the PEG network precursor molar mass at which entanglements are formed in the melt. Correction factors based on structure calculations using the Miller-Macosko-Vallés probability approach are proposed and validated for an accurate calculation of the M c of these defect-containing networks. This provides a new approach for studies that requires an accurate estimate of the M c, only based on experimentally straightforward swelling experiments.
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Affiliation(s)
- Peter
T. M. Albers
- Laboratory
of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
- Dutch
Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands
| | - Leendert G. J. van der Ven
- Laboratory
of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Rolf A. T. M. van Benthem
- Laboratory
of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
- DSM
Ahead BV Netherlands, P.O. Box 18, 6160 MD Geleen, The Netherlands
| | - A. Catarina C. Esteves
- Laboratory
of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Gijsbertus de With
- Laboratory
of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
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9
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Swelling behavior of hydrophobic association hydrogels prepared from octylphenol polyoxyethylene (7) acrylate and sodium dodecylsulfate. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.02.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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10
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Mou C, Ali F, Malaviya A, Bettinger CJ. Electrochemical-Mediated Gelation Of Catechol-Bearing Hydrogels Based On Multimodal Crosslinking. J Mater Chem B 2019; 7:1690-1696. [PMID: 31372223 PMCID: PMC6675465 DOI: 10.1039/c8tb02854k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catechol-bearing polymers form hydrogel networks through cooperative oxidative crosslinking and coordination chemistry. Here we describe the kinetics of cation-dependent electrochemical-mediated gelation of precursor solutions composed of catechol functionalized four-arm poly(ethylene glycol) combined with select metal cations. The gelation kinetics, mechanical properties, crosslink composition, and self-healing capacity is a strong function of the valency and redox potential of metal ions in the precursor solution. Catechol-bearing hydrogels exhibit highly compliant mechanical properties with storage moduli ranging from G' = 0.1-5 kPa depending on the choice of redox active metal ions in the precursor solution. The gelation kinetics is informed by the net cell potential of redox active components in the precursor solution. Finally, redox potential of the metal ion precursor can differentially alter the effective density of crosslinks in networks and confer properties to hydrogels such as self-healing capacity. Taken together, this parametric study generates new insight to inform the design of catechol-bearing hydrogel networks formed by electrochemical-mediated multimodal crosslinking.
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Affiliation(s)
- Chenchen Mou
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
| | - Faisal Ali
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Avishi Malaviya
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Christopher J Bettinger
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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11
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Sornkamnerd S, Okajima MK, Matsumura K, Kaneko T. Micropatterned Cell Orientation of Cyanobacterial Liquid-Crystalline Hydrogels. ACS APPLIED MATERIALS & INTERFACES 2018; 10:44834-44843. [PMID: 30480994 DOI: 10.1021/acsami.8b15825] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Control of cell extension direction is crucial for the regeneration of tissues, which are generally composed of oriented molecules. The scaffolds of highly oriented liquid crystalline polymer chains were fabricated by casting cyanobacterial mega-saccharides, sacran, on parallel-aligned micrometer bars of polystyrene (PS). Polarized microscopy revealed that the orientation was in transverse direction to the longitudinal axes of the PS bars. Swelling behavior of the micropatterned hydrogels was dependent on the distance between the PS bars. The mechanical properties of these scaffolds were dependent on the structural orientation; additionally, the Young's moduli in the transverse direction were higher than those in the parallel direction to the major axes of the PS bars. Further, fibroblast L929 cells were cultivated on the oriented scaffolds to be aligned along the orientation axis. L929 cells cultured on these scaffolds exhibited uniaxial elongation.
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Affiliation(s)
- Saranyoo Sornkamnerd
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
- Department of Materials Science and Engineering, School of Molecular Science and Engineering , Vidyasirimedhi Institute of Science and Technology, (VISTEC) , Payupnai , Wang Chan 21210 , Thailand
| | - Maiko K Okajima
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
| | - Kazuaki Matsumura
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
| | - Tatsuo Kaneko
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
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12
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Nandi M, Maiti B, Banerjee S, De P. Hydrogen bonding driven self-assembly of side-chain amino acid and fatty acid appended poly(methacrylate)s: Gelation and application in oil spill recovery. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/pola.29289] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Mridula Nandi
- Polymer Research Centre and Centre for Advanced Functional Materials, Department of Chemical Sciences; Indian Institute of Science Education and Research, Kolkata; Mohanpur, 741246, Nadia West Bengal India
| | - Binoy Maiti
- Polymer Research Centre and Centre for Advanced Functional Materials, Department of Chemical Sciences; Indian Institute of Science Education and Research, Kolkata; Mohanpur, 741246, Nadia West Bengal India
| | - Soham Banerjee
- Polymer Research Centre and Centre for Advanced Functional Materials, Department of Chemical Sciences; Indian Institute of Science Education and Research, Kolkata; Mohanpur, 741246, Nadia West Bengal India
| | - Priyadarsi De
- Polymer Research Centre and Centre for Advanced Functional Materials, Department of Chemical Sciences; Indian Institute of Science Education and Research, Kolkata; Mohanpur, 741246, Nadia West Bengal India
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13
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Tang X, Bettinger CJ. Multimodal Underwater Adhesion Using Self-assembled Dopa-bearing ABA Triblock Copolymer Networks. J Mater Chem B 2017; 6:545-549. [PMID: 29657715 DOI: 10.1039/c7tb02371e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Self-assembled mechanically robust Dopa-bearing triblock copolymer networks improve underwater adhesion through both energy dissipation and interfacial bonding. Polymer networks that incorporate energy dissipating motifs could improve the performance of high-performance wet adhesives rather than only by interfacial bonds.
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Affiliation(s)
- Xiaomin Tang
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Christopher J Bettinger
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA.,Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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14
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Sornkamnerd S, Okajima MK, Kaneko T. Tough and Porous Hydrogels Prepared by Simple Lyophilization of LC Gels. ACS OMEGA 2017; 2:5304-5314. [PMID: 31457799 PMCID: PMC6641907 DOI: 10.1021/acsomega.7b00602] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 07/21/2017] [Indexed: 05/30/2023]
Abstract
Porous hydrogels possessing mechanical toughness were prepared from sacran, a supergiant liquid crystalline (LC) polysaccharide produced from Aphanothece sacrum. First, layered hydrogels were prepared by thermal cross-linking of film cast over a sacran LC solution. Then, anisotropic pores were constructed using a freeze-drying technique on the water-swollen layered hydrogels. Scanning electron microscopic observation revealed that pores were observable only on the side faces of sponge materials parallel to the layered structure but never on the top or bottom faces. The pore size, porosity, and swelling behavior were controlled by the thermal-cross-linking temperature. To clarify the freezing effect, a freeze-thawing method was used for comparison. The freeze-thawed hydrogels also formed layers but no pores. The mechanical properties and network structures of hydrogels were also studied, clarifying that porous hydrogels, even those with a high quantity of pores, were tough owing to the pores orienting along the layer direction like tunnels.
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Affiliation(s)
- Saranyoo Sornkamnerd
- Energy and Environment Area,
School of Materials Science, Graduate School of Advanced Science and
Technology, Japan Advanced Institute of
Science and Technology (JAIST), 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Maiko K. Okajima
- Energy and Environment Area,
School of Materials Science, Graduate School of Advanced Science and
Technology, Japan Advanced Institute of
Science and Technology (JAIST), 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Tatsuo Kaneko
- Energy and Environment Area,
School of Materials Science, Graduate School of Advanced Science and
Technology, Japan Advanced Institute of
Science and Technology (JAIST), 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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15
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Grimm O, Wendler F, Schacher FH. Micellization of Photo-Responsive Block Copolymers. Polymers (Basel) 2017; 9:E396. [PMID: 30965699 PMCID: PMC6418654 DOI: 10.3390/polym9090396] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/10/2017] [Accepted: 08/22/2017] [Indexed: 11/16/2022] Open
Abstract
This review focuses on block copolymers featuring different photo-responsive building blocks and self-assembly of such materials in different selective solvents. We have subdivided the specific examples we selected: (1) according to the wavelength at which the irradiation has to be carried out to achieve photo-response; and (2) according to whether irradiation with light of a suitable wavelength leads to reversible or irreversible changes in material properties (e.g., solubility, charge, or polarity). Exemplarily, an irreversible change could be the photo-cleavage of a nitrobenzyl, pyrenyl or coumarinyl ester, whereas the photo-mediated transition between spiropyran and merocyanin form as well as the isomerization of azobenzenes would represent reversible response to light. The examples presented cover applications including drug delivery (controllable release rates), controlled aggregation/disaggregation, sensing, and the preparation of photochromic hybrid materials.
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Affiliation(s)
- Oliver Grimm
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstraße 10, D-07743 Jena, Germany.
| | - Felix Wendler
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstraße 10, D-07743 Jena, Germany.
| | - Felix H Schacher
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstraße 10, D-07743 Jena, Germany.
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany.
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16
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Shen H, Xia Y, Qin Z, Wu J, Zhang L, Lu Y, Xia X, Xu W. Photoresponsive biodegradable poly(carbonate)s with pendent o
-nitrobenzyl ester. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28679] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Huihui Shen
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Yingchun Xia
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Zhouliang Qin
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Juan Wu
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Li Zhang
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Yanbing Lu
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Xinnian Xia
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
| | - Weijian Xu
- Institute of Polymer Science, College of Chemistry & Chemical Engineering, Hunan University; Changsha 410082 China
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17
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Abstract
Photo-responsive polymers are able to change their structure, conformation and properties upon light irradiation.
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Affiliation(s)
- Olivier Bertrand
- Institute of Condensed Matter and Nanosciences (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Jean-François Gohy
- Institute of Condensed Matter and Nanosciences (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
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18
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Li Y, Ye Z, Shen L, Xu Y, Zhu A, Wu P, An Z. Formation of Multidomain Hydrogels via Thermally Induced Assembly of PISA-Generated Triblock Terpolymer Nanogels. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02538] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Youcheng Li
- Institute
of Nanochemistry and Nanobiology, College of Environmental and Chemical
Engineering, Shanghai University, Shanghai 200444, China
| | - Zhangxin Ye
- Department
of Macromolecular Science and Laboratory for Advanced Materials, Fudan University, Shanghai 200433, China
| | - Liangliang Shen
- Institute
of Nanochemistry and Nanobiology, College of Environmental and Chemical
Engineering, Shanghai University, Shanghai 200444, China
| | - Yuanyuan Xu
- Institute
of Nanochemistry and Nanobiology, College of Environmental and Chemical
Engineering, Shanghai University, Shanghai 200444, China
| | - Anqi Zhu
- Institute
of Nanochemistry and Nanobiology, College of Environmental and Chemical
Engineering, Shanghai University, Shanghai 200444, China
| | - Peiyi Wu
- Department
of Macromolecular Science and Laboratory for Advanced Materials, Fudan University, Shanghai 200433, China
| | - Zesheng An
- Institute
of Nanochemistry and Nanobiology, College of Environmental and Chemical
Engineering, Shanghai University, Shanghai 200444, China
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19
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Lee ME, Gungor E, Armani AM. Photocleavage of Poly(methyl acrylate) with Centrally Located o-Nitrobenzyl Moiety: Influence of Environment on Kinetics. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b01496] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Michele E. Lee
- Mork Family
Department of
Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Eda Gungor
- Mork Family
Department of
Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Andrea M. Armani
- Mork Family
Department of
Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
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20
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Amornwachirabodee K, Okajima MK, Kaneko T. Uniaxial Swelling in LC Hydrogels Formed by Two-Step Cross-Linking. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b02170] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kittima Amornwachirabodee
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
- Department of Chemistry,
Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Maiko K. Okajima
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Tatsuo Kaneko
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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21
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Ono RJ, Lee ALZ, Chin W, Goh WS, Lee AYL, Yang YY, Hedrick JL. Biodegradable Block Copolyelectrolyte Hydrogels for Tunable Release of Therapeutics and Topical Antimicrobial Skin Treatment. ACS Macro Lett 2015; 4:886-891. [PMID: 35596452 DOI: 10.1021/acsmacrolett.5b00527] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Biodegradable polycarbonate-based ABA triblock copolyelectrolytes were synthesized and formulated into physically cross-linked hydrogels. These biocompatible, cationically, and anionically charged hydrogel materials exhibited pronounced shear-thinning behavior, making them useful for a variety of biomedical applications. For example, we investigated the antimicrobial activity of positively charged thiouronium functionalized hydrogels by microbial growth inhibition assays against several clinically relevant Gram-negative and Gram-positive bacteria. It is noteworthy that these hydrogels exhibited broad spectrum killing efficiencies approaching 100%, thereby rendering these thixotropic materials attractive for treatment of skin and other surface bound infections. Finally, cationic trimethylammonium containing hydrogels and anionic carboxylic acid functionalized hydrogels were utilized to sustain the release of negatively charged (diclofenac) and positively charged (vancomycin) therapeutics, respectively. Collectively, the present work introduces a simple method for formulating charged hydrogel materials that are capable of interacting with various analytes of interest through noncovalent interactions.
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Affiliation(s)
- Robert J. Ono
- IBM Almaden Research
Center, 650 Harry Road, San Jose, California 95120, United States
| | - Ashlynn L. Z. Lee
- Institute of Bioengineering
and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Willy Chin
- Institute of Bioengineering
and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Wei Sheng Goh
- Institute of Bioengineering
and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Amelia Y. L. Lee
- Institute of Bioengineering
and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Yi Yan Yang
- Institute of Bioengineering
and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - James L. Hedrick
- IBM Almaden Research
Center, 650 Harry Road, San Jose, California 95120, United States
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22
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Okajima MK, Mishima R, Amornwachirabodee K, Mitsumata T, Okeyoshi K, Kaneko T. Anisotropic swelling in hydrogels formed by cooperatively aligned megamolecules. RSC Adv 2015. [DOI: 10.1039/c5ra18585h] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A cyanobacterial polysaccharide, sacran, which has a high molecular length over 30 μm, forms in-plane oriented film by casting. The film creates uniaxially-swelling hydrogels with a micrometer thickness.
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Affiliation(s)
- M. K. Okajima
- School of Materials Science
- Japan Advanced Institute of Science and Technology (JAIST)
- Nomi
- Japan
| | - R. Mishima
- School of Materials Science
- Japan Advanced Institute of Science and Technology (JAIST)
- Nomi
- Japan
| | - K. Amornwachirabodee
- School of Materials Science
- Japan Advanced Institute of Science and Technology (JAIST)
- Nomi
- Japan
- Program of Petrochemistry
| | - T. Mitsumata
- Graduate School of Science and Technology
- Niigata University
- Nishi-ku
- Japan
| | - K. Okeyoshi
- School of Materials Science
- Japan Advanced Institute of Science and Technology (JAIST)
- Nomi
- Japan
| | - T. Kaneko
- School of Materials Science
- Japan Advanced Institute of Science and Technology (JAIST)
- Nomi
- Japan
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