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Wang H, Wang K, Bai S, Wei L, Gao Y, Zhi K, Guo X, Wang Y. Spatiotemporal control over self-assembly of supramolecular hydrogels through reaction-diffusion. J Colloid Interface Sci 2024; 664:938-945. [PMID: 38503079 DOI: 10.1016/j.jcis.2024.03.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Abstract
Supramolecular self-assembly is ubiquitous in living system and is usually controlled to proceed in time and space through sophisticated reaction-diffusion processes, underpinning various vital cellular functions. In this contribution, we demonstrate how spatiotemporal self-assembly of supramolecular hydrogels can be realized through a simple reaction-diffusion-mediated transient transduction of pH signal. In the reaction-diffusion system, a relatively faster diffusion of acid followed by delayed enzymatic production and diffusion of base from the opposite site enables a transient transduction of pH signal in the substrate. By coupling such reaction-diffusion system with pH-sensitive gelators, dynamic supramolecular hydrogels with tunable lifetimes are formed at defined locations. The hydrogel fibers show interesting dynamic growing behaviors under the regulation of transient pH signal, reminiscent of their biological counterpart. We further demonstrate a proof-of-concept application of the developed methodology for dynamic information encoding in a soft substrate. We envision that this work may provide a potent approach to enable transient transduction of various chemical signals for the construction of new colloidal materials with the capability to evolve their structures and functionalities in time and space.
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Affiliation(s)
- Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kainan Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Shengyu Bai
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Lai Wei
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yuliang Gao
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kangkang Zhi
- Department of Vascular Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China.
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China.
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Li L, Zheng R, Sun R. Understanding multicomponent low molecular weight gels from gelators to networks. J Adv Res 2024:S2090-1232(24)00126-7. [PMID: 38570015 DOI: 10.1016/j.jare.2024.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 02/11/2024] [Accepted: 03/29/2024] [Indexed: 04/05/2024] Open
Abstract
BACKGROUND The construction of gels from low molecular weight gelators (LMWG) has been extensively studied in the fields of bio-nanotechnology and other fields. However, the understanding gaps still prevent the prediction of LMWG from the full design of those gel systems. Gels with multicomponent become even more complicated because of the multiple interference effects coexist in the composite gel systems. AIM OF REVIEW This review emphasizes systems view on the understanding of multicomponent low molecular weight gels (MLMWGs), and summarizes recent progress on the construction of desired networks of MLMWGs, including self-sorting and co-assembly, as well as the challenges and approaches to understanding MLMWGs, with the hope that the opportunities from natural products and peptides can speed up the understanding process and close the gaps between the design and prediction of structures. KEY SCIENTIFIC CONCEPTS OF REVIEW This review is focused on three key concepts. Firstly, understanding the complicated multicomponent gels systems requires a systems perspective on MLMWGs. Secondly, several protocols can be applied to control self-sorting and co-assembly behaviors in those multicomponent gels system, including the certain complementary structures, chirality inducing and dynamic control. Thirdly, the discussion is anchored in challenges and strategies of understanding MLMWGs, and some examples are provided for the understanding of multicomponent gels constructed from small natural products and subtle designed short peptides.
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Affiliation(s)
- Liangchun Li
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Renlin Zheng
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - Rongqin Sun
- School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
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Dutta S, Noh S, Gual RS, Chen X, Pané S, Nelson BJ, Choi H. Recent Developments in Metallic Degradable Micromotors for Biomedical and Environmental Remediation Applications. NANO-MICRO LETTERS 2023; 16:41. [PMID: 38032424 PMCID: PMC10689718 DOI: 10.1007/s40820-023-01259-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023]
Abstract
Synthetic micromotor has gained substantial attention in biomedicine and environmental remediation. Metal-based degradable micromotor composed of magnesium (Mg), zinc (Zn), and iron (Fe) have promise due to their nontoxic fuel-free propulsion, favorable biocompatibility, and safe excretion of degradation products Recent advances in degradable metallic micromotor have shown their fast movement in complex biological media, efficient cargo delivery and favorable biocompatibility. A noteworthy number of degradable metal-based micromotors employ bubble propulsion, utilizing water as fuel to generate hydrogen bubbles. This novel feature has projected degradable metallic micromotors for active in vivo drug delivery applications. In addition, understanding the degradation mechanism of these micromotors is also a key parameter for their design and performance. Its propulsion efficiency and life span govern the overall performance of a degradable metallic micromotor. Here we review the design and recent advancements of metallic degradable micromotors. Furthermore, we describe the controlled degradation, efficient in vivo drug delivery, and built-in acid neutralization capabilities of degradable micromotors with versatile biomedical applications. Moreover, we discuss micromotors' efficacy in detecting and destroying environmental pollutants. Finally, we address the limitations and future research directions of degradable metallic micromotors.
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Affiliation(s)
- Sourav Dutta
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- DGIST-ETH Microrobotics Research Center, DGIST, Daegu, 42988, Republic of Korea
| | - Seungmin Noh
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- DGIST-ETH Microrobotics Research Center, DGIST, Daegu, 42988, Republic of Korea
| | - Roger Sanchis Gual
- Multi-Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, 8092, Zurich, Switzerland
| | - Xiangzhong Chen
- Institute of Optoelectronics, State Key Laboratory of Photovoltaic Science and Technology, Shanghai Frontiers Science Research Base of Intelligent Optoelectronics and Perception, Fudan University, Shanghai, 200433, People's Republic of China
| | - Salvador Pané
- Multi-Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, 8092, Zurich, Switzerland
| | - Bradley J Nelson
- Multi-Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, 8092, Zurich, Switzerland
| | - Hongsoo Choi
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, DGIST, Daegu, 42988, Republic of Korea.
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Shmakov SL, Babicheva TS, Kurochkina VA, Lugovitskaya TN, Shipovskaya AB. Structural and Morphological Features of Anisotropic Chitosan Hydrogels Obtained by Ion-Induced Neutralization in a Triethanolamine Medium. Gels 2023; 9:876. [PMID: 37998966 PMCID: PMC10670621 DOI: 10.3390/gels9110876] [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: 10/03/2023] [Revised: 10/22/2023] [Accepted: 11/01/2023] [Indexed: 11/25/2023] Open
Abstract
For the first time, anisotropic hydrogel material with a highly oriented structure was obtained by the chemical reaction of polymer-analogous transformation of chitosan glycolate-chitosan base using triethanolamine (TEA) as a neutralizing reagent. Tangential bands or concentric rings, depending on the reaction conditions, represent the structural anisotropy of the hydrogel. The formation kinetics and the ratio of the positions of these periodic structures are described by the Liesegang regularities. Detailed information about the bands is given (formation time, coordinate, width, height, and formation rate). The supramolecular ordering anisotropy of the resulting material was evaluated both by the number of Liesegang bands (up to 16) and by the average values of the TEA diffusion coefficient ((15-153) × 10-10 and (4-33) × 10-10 m2/s), corresponding to the initial and final phase of the experiment, respectively. The minimum chitosan concentration required to form a spatial gel network and, accordingly, a layered anisotropic structure was estimated as 1.5 g/dL. Morphological features of the structural anisotropic ordering of chitosan Liesegang structures are visualized by scanning electron microscopy. The hemocompatibility of the material obtained was tested, and its high sorption-desorption properties were evaluated using the example of loading-release of cholecalciferol (loading degree ~35-45%, 100% desorption within 25-28 h), which was observed for a hydrophobic substance inside a chitosan-based material for the first time.
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Affiliation(s)
- Sergei L. Shmakov
- Chair of Polymers, Institute of Chemistry, Saratov State University, 83 Astrakhanskaya St., 410012 Saratov, Russia (A.B.S.)
| | - Tatiana S. Babicheva
- Chair of Polymers, Institute of Chemistry, Saratov State University, 83 Astrakhanskaya St., 410012 Saratov, Russia (A.B.S.)
| | - Valentina A. Kurochkina
- Chair of Polymers, Institute of Chemistry, Saratov State University, 83 Astrakhanskaya St., 410012 Saratov, Russia (A.B.S.)
| | - Tatiana N. Lugovitskaya
- Institute of New Materials and Technologies, Ural Federal State University, 19 Mira St., 620002 Yekaterinburg, Russia;
| | - Anna B. Shipovskaya
- Chair of Polymers, Institute of Chemistry, Saratov State University, 83 Astrakhanskaya St., 410012 Saratov, Russia (A.B.S.)
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Transition from continuous to microglobular shaped peptide assemblies through a Liesegang-like enzyme-assisted mechanism. J Colloid Interface Sci 2023; 633:876-885. [PMID: 36495809 DOI: 10.1016/j.jcis.2022.11.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/31/2022] [Accepted: 11/08/2022] [Indexed: 11/20/2022]
Abstract
Enzyme-assisted self-assembly confined within host materials leads to Liesegang-like spatial structuration when precursor peptides are diffusing through an enzyme-functionalized hydrogel. It is shown here that playing on peptide and enzyme concentrations results in a transition from continuous self-assembled peptide areas to individual microglobules. Their morphology, location, size and buildup mechanism are described. Additionally, it is also found that the enzymes adsorb onto the peptide self-assemblies leading to co-localization of peptide self-assembled microglobules and enzymes. Finally, we find that large microglobules grow at the expense of smaller ones present in their vicinity in a kind of Ostwald ripening process, illustrating the dynamic nature of the peptide self-assembly process within host hydrogels.
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Crosslinking of Bovine Gelatin Gels by Genipin Revisited Using Ferrule-Top Micro-Indentation. Gels 2023; 9:gels9020149. [PMID: 36826319 PMCID: PMC9956991 DOI: 10.3390/gels9020149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 02/12/2023] Open
Abstract
(1) Background: Gelatin is widely used in food science, bioengineering, and as a sealant. However, for most of those applications, the mechanical properties of gelatin gels need to be improved by means of physical or chemical crosslinking. Among the used chemical agents, genipin allows low cytotoxicity in addition to improved Young's modulus. However, the mechanical properties of gelatin-genipin gels have only been investigated at the macroscale, and there is no knowledge of the influence of the genipin concentration on the surface homogeneity of Young's modulus. (2) Methods: To this aim, the influence of genipin concentration on Young's modulus of gelatin gels was investigated by means of ferrule-top micro-indentation. The data were compared with storage moduli obtained by shear rheology data. (3) Results: Ferrule-top indentation measurements allowed us to show that Young's moduli of gelatin-genipin gels increase up to a plateau value after approximately 12 mg/mL in genipin and 4 h of crosslinking. Young's moduli distribute with high homogeneity over 80 µm × 80 µm surface areas and are consistent with the storage moduli obtained by shear rheology. (4) Conclusions: It has been shown that ferrule-top indentation data fitted with the Hertz model yield Young's moduli of gelatin-genipin gels which are consistent with the storage moduli obtained by characterization at the macroscale using shear rheometry. In addition, Young's moduli are homogenously distributed (with some irregularities at the highest genipin concentrations) and can be increased by two orders of magnitude with respect to the uncrosslinked gel.
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Yu CH, Betrehem UM, Ali N, Khan A, Ali F, Nawaz S, Sajid M, Yang Y, Chen T, Bilal M. Design strategies, surface functionalization, and environmental remediation potentialities of polymer-functionalized nanocomposites. CHEMOSPHERE 2022; 306:135656. [PMID: 35820475 DOI: 10.1016/j.chemosphere.2022.135656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/02/2022] [Accepted: 07/05/2022] [Indexed: 06/15/2023]
Abstract
Inorganic nanoparticles (NPs) have a tunable shape, size, surface morphology, and unique physical properties like catalytic, magnetic, electronic, and optical capabilities. Unlike inorganic nanomaterials, organic polymers exhibit excellent stability, biocompatibility, and processability with a tailored response to external stimuli, including pH, heat, light, and degradation properties. Nano-sized assemblies derived from inorganic and polymeric NPs are combined in a functionalized composite form to import high strength and synergistically promising features not reflected in their part as a single constituent. These new properties of polymer/inorganic functionalized materials have led to emerging applications in a variety of fields, such as environmental remediation, drug delivery, and imaging. This review spotlights recent advances in the design and construction of polymer/inorganic functionalized materials with improved attributes compared to single inorganic and polymeric materials for environmental sustainability. Following an introduction, a comprehensive review of the design and potential applications of polymer/inorganic materials for removing organic pollutants and heavy metals from wastewater is presented. We have offered valuable suggestions for piloting, and scaling-up polymer functionalized nanomaterials using simple concepts. This review is wrapped up with a discussion of perspectives on future research in the field.
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Affiliation(s)
- Chun-Hao Yu
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China.
| | - Uwase Marie Betrehem
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Nisar Ali
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China.
| | - Adnan Khan
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Farman Ali
- Department of Chemistry, Hazara University, KPK, Mansehra, 21300, Pakistan
| | - Shahid Nawaz
- Department of Chemistry, The University of Lahore, Lahore, Pakistan
| | - Muhammad Sajid
- Faculty of Materials and Chemical Engineering, Yibin University, Yibin, 644000, Sichuan, China
| | - Yong Yang
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu Province, PR China
| | - Tiantian Chen
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu Province, PR China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, China.
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Enzymatically-active nanoparticles to direct the self-assembly of peptides in hydrogel with a 3D spatial control. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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