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Qin S, Niu Y, Zhang Y, Wang W, Zhou J, Bai Y, Ma G. Metal Ion-Containing Hydrogels: Synthesis, Properties, and Applications in Bone Tissue Engineering. Biomacromolecules 2024; 25:3217-3248. [PMID: 38237033 DOI: 10.1021/acs.biomac.3c01072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Hydrogel, as a unique scaffold material, features a three-dimensional network system that provides conducive conditions for the growth of cells and tissues in bone tissue engineering (BTE). In recent years, it has been discovered that metal ion-containing hybridized hydrogels, synthesized with metal particles as the foundation, exhibit excellent physicochemical properties, osteoinductivity, and osteogenic potential. They offer a wide range of research prospects in the field of BTE. This review provides an overview of the current state and recent advancements in research concerning metal ion-containing hydrogels in the field of BTE. Within materials science, it covers topics such as the binding mechanisms of metal ions within hydrogel networks, the types and fabrication methods of various metal ion-containing hydrogels, and the influence of metal ions on the properties of hydrogels. In the context of BTE, the review delves into the osteogenic mechanisms of various metal ions, the applications of metal ion-containing hydrogels in BTE, and relevant experimental studies in vitro and in vivo. Furthermore, future improvements in bone repair can be anticipated through advancements in bone bionics, exploring interactions between metal ions and the development of a wider range of metal ions and hydrogel types.
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Affiliation(s)
- Shengao Qin
- Salivary Gland Disease Center and Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Laboratory of Oral Health and Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Yimeng Niu
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Yihan Zhang
- School of Stomatology, Harbin Medical University, Harbin 150020, P. R. China
| | - Weiyi Wang
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Jian Zhou
- Salivary Gland Disease Center and Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Laboratory of Oral Health and Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, P. R. China
- Department of VIP Dental Service, School of Stomatology, Capital Medical University, Beijing 100050, P. R. China
- Laboratory for Oral and General Health Integration and Translation, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, P. R. China
| | - Yingjie Bai
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Guowu Ma
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
- Department of Stomatology, Stomatological Hospital Affiliated School of Stomatology of Dalian Medical University, No. 397 Huangpu Road, Shahekou District, Dalian 116086, P. R. China
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Gudmundsson TA, Kuppadakkath G, Ghosh D, Ruether M, Seddon A, Ginesi RE, Doutch J, Adams DJ, Gunnlaugsson T, Damodaran KK. Nanoscale assembly of enantiomeric supramolecular gels driven by the nature of solvents. NANOSCALE 2024. [PMID: 38591601 DOI: 10.1039/d4nr00204k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Understanding the key parameters that control the self-assembly process is critical to predict self-assembly modes in multi-component systems, which will lead to the development of nanofibrous materials with tuneable properties. Enantiomeric amino acid-based low-molecular-weight gelators (LMWGs) were mixed in polar (polar protic) and aromatic apolar (aromatic) solvents and compared to their individual counterparts to probe the effect of solvent polarity on the self-assembly process. Scanning electron microscopy (SEM) reveals that xerogels of individual components display hollow needles in polar protic solvents, while chiral coils are observed in aromatic solvents. In contrast, the multi-component gel displays hollow needle morphologies in both solvents, indicating similar morphologies in polar protic solvents but an entirely different nanostructure for the individual gel networks in aromatic solvents. PXRD experiments performed on the dried gels showed that the nature of the solvents plays a vital role in the co-assembly process of multi-component gels. The self-assembly modes and the gel state structure of the gels are analysed by wide-angle X-ray diffraction (WAXS) and small-angle neutron diffraction (SANS), which reveals that the mixed gel undergoes different co-assembly modes depending on the nature of the solvent systems. This study shows that different co-assembly modes can be achieved for structurally similar components by varying the solvent polarity, demonstrating the importance of solvent choice in the self-assembly process of multi-component gels.
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Affiliation(s)
- Tómas A Gudmundsson
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI) and Advanced Materials and BioEngineering Research (AMBER) Centre, Trinity College Dublin, The University of Dublin, Dublin 2, D02 PN40, Ireland
| | - Geethanjali Kuppadakkath
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
| | - Dipankar Ghosh
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
| | - Manuel Ruether
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI) and Advanced Materials and BioEngineering Research (AMBER) Centre, Trinity College Dublin, The University of Dublin, Dublin 2, D02 PN40, Ireland
| | - Annela Seddon
- School of Physics, HH Wills Physics Laboratory, Tyndall Avenue, University of Bristol, Bristol, BS8 1TL, UK
| | - Rebecca E Ginesi
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK
| | - James Doutch
- ISIS Pulsed Neutron and Muon Source, Harwell Science and Innovation Campus, Didcot, OX11 0QX, UK
| | - Dave J Adams
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Thorfinnur Gunnlaugsson
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI) and Advanced Materials and BioEngineering Research (AMBER) Centre, Trinity College Dublin, The University of Dublin, Dublin 2, D02 PN40, Ireland
| | - Krishna K Damodaran
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
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Zhan Y, Hu H, Yu Y, Chen C, Zhang J, Jarnda KV, Ding P. Therapeutic strategies for drug-resistant Pseudomonas aeruginosa: Metal and metal oxide nanoparticles. J Biomed Mater Res A 2024. [PMID: 38291785 DOI: 10.1002/jbm.a.37677] [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: 09/11/2023] [Revised: 12/25/2023] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Pseudomonas aeruginosa (PA) is a widely prevalent opportunistic pathogen. Multiple resistant strains of PA have emerged from excessive or inappropriate use of antibiotics, making their eradication increasingly difficult. Therefore, the search for highly efficient and secure novel antimicrobial agents is crucial. According to reports, there is an increasing exploration of nanometals for antibacterial purposes. The antibacterial mechanisms involving the nanomaterials themselves, the release of ions, and the induced oxidative stress causing leakage and damage to biomolecules are widely accepted. Additionally, the study of the cytotoxicity of metal nanoparticles is crucial for their antibacterial applications. This article summarizes the types of metal nanomaterials and metal oxide nanomaterials that can be used against PA, their respective unique antibacterial mechanisms, cytotoxicity, and efforts made to improve antibacterial performance and reduce toxicity, including combination therapy with other materials and antibiotics, as well as green synthesis approaches.
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Affiliation(s)
- Yujuan Zhan
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Huiting Hu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Ying Yu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Cuimei Chen
- School of Public Health, Xiangnan University, Chenzhou, Hunan, China
| | - Jingwen Zhang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Kermue Vasco Jarnda
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Ping Ding
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
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Smith DK. Supramolecular gels - a panorama of low-molecular-weight gelators from ancient origins to next-generation technologies. SOFT MATTER 2023; 20:10-70. [PMID: 38073497 DOI: 10.1039/d3sm01301d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Supramolecular gels, self-assembled from low-molecular-weight gelators (LMWGs), have a long history and a bright future. This review provides an overview of these materials, from their use in lubrication and personal care in the ancient world, through to next-generation technologies. In academic terms, colloid scientists in the 19th and early 20th centuries first understood such gels as being physically assembled as a result of weak interactions, combining a solid-like network having a degree of crystalline order with a highly mobile liquid-like phase. During the 20th century, industrial scientists began using these materials in new applications in the polymer, oil and food industries. The advent of supramolecular chemistry in the late 20th century, with its focus on non-covalent interactions and controlled self-assembly, saw the horizons for these materials shifted significantly beyond their historic rheological applications, expanding their potential. The ability to tune the LMWG chemical structure, manipulate hierarchical assembly, develop multi-component systems, and introduce new types of responsive and interactive behaviour, has been transformative. Furthermore, the dynamics of these materials are increasingly understood, creating metastable gels and transiently-fueled systems. New approaches to shaping and patterning gels are providing a unique opportunity for more sophisticated uses. These supramolecular advances are increasingly underpinning and informing next-generation applications - from drug delivery and regenerative medicine to environmental remediation and sustainable energy. In summary, this article presents a panorama over the field of supramolecular gels, emphasising how both academic and industrial scientists are building on the past, and engaging new fundamental insights and innovative concepts to open up exciting horizons for their future use.
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Affiliation(s)
- David K Smith
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
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Tangsombun C, Smith DK. Fabricating Shaped and Patterned Supramolecular Multigelator Objects via Diffusion-Adhesion Gel Assembly. J Am Chem Soc 2023; 145:24061-24070. [PMID: 37885219 PMCID: PMC10636748 DOI: 10.1021/jacs.3c07376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023]
Abstract
We report the use of acid-diffusion to assemble core-shell supramolecular gel beads with different low-molecular-weight gelators (LMWGs) in the core and shell. These gel beads grow a shell of dibenzylidenesorbitol-based DBS-COOH onto a core comprising DBS-CONHNH2 and agarose that has been loaded with acetic acid. Diffusion of the acid from the core triggers shell assembly. The presence of DBS-CONHNH2 enables the gel core to be loaded with metal nanoparticles (NPs) as acyl hydrazide reduces metal salts in situ. The pH-responsiveness of DBS-COOH allows responsive assembly of the shell with both temporal and spatial control. By fixing multiple gel beads in a Petri dish, the cores become linked to one another by the assembled DBS-COOH gel shell─a process we describe as diffusion-adhesion assembly. By controlling the geometry of the beads with respect to one another, it is possible to pattern the structures, and using a layer-by-layer approach, 3D objects can be fabricated. If some of the beads are loaded with basic DBS-carboxylate instead of CH3COOH, they act as a "sink" for diffusing protons, preventing DBS-COOH shell assembly in the close proximity. Those beads do not adhere to the remainder of the growing gel object and can be simply removed once diffusion-assembly is complete, acting as templates, and enabling the fabrication of 3D "imprinted" multigel architectures. Preloading the gel beads with AuNPs or AgNPs suspends these functional units within the cores at precisely defined locations within a wider gel object. In summary, this approach enables the dynamic fabrication of shaped and patterned gels with embedded metal NPs─such objects have potential next-generation applications in areas including soft nanoelectronics and regenerative medicine.
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Affiliation(s)
- Chayanan Tangsombun
- Department of Chemistry, University
of York, Heslington, York YO10 5DD, U.K.
| | - David K. Smith
- Department of Chemistry, University
of York, Heslington, York YO10 5DD, U.K.
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Alginate-Based Hydrogels and Scaffolds for Biomedical Applications. Mar Drugs 2023; 21:md21030177. [PMID: 36976226 PMCID: PMC10055882 DOI: 10.3390/md21030177] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023] Open
Abstract
Alginate is a natural polymer of marine origin and, due to its exceptional properties, has great importance as an essential component for the preparation of hydrogels and scaffolds for biomedical applications. The design of biologically interactive hydrogels and scaffolds with advanced, expected and required properties are one of the key issues for successful outcomes in the healing of injured tissues. This review paper presents the multifunctional biomedical applications of alginate-based hydrogels and scaffolds in selected areas, highlighting the key effect of alginate and its influence on the essential properties of the selected biomedical applications. The first part covers scientific achievements for alginate in dermal tissue regeneration, drug delivery systems, cancer treatment, and antimicrobials. The second part is dedicated to our scientific results obtained for the research opus of hydrogel materials for scaffolds based on alginate in synergy with different materials (polymers and bioactive agents). Alginate has proved to be an exceptional polymer for combining with other naturally occurring and synthetic polymers, as well as loading bioactive therapeutic agents to achieve dermal, controlled drug delivery, cancer treatment, and antimicrobial purposes. Our research was based on combinations of alginate with gelatin, 2-hydroxyethyl methacrylate, apatite, graphene oxide and iron(III) oxide, as well as curcumin and resveratrol as bioactive agents. Important features of the prepared scaffolds, such as morphology, porosity, absorption capacity, hydrophilicity, mechanical properties, in vitro degradation, and in vitro and in vivo biocompatibility, have shown favorable properties for the aforementioned applications, and alginate has been an important link in achieving these properties. Alginate, as a component of these systems, proved to be an indispensable factor and played an excellent “role” in the optimal adjustment of the tested properties. This study provides valuable data and information for researchers and demonstrates the importance of the role of alginate as a biomaterial in the design of hydrogels and scaffolds that are powerful medical “tools” for biomedical applications.
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Albino M, Burden TJ, Piras CC, Whitwood AC, Fairlamb IJS, Smith DK. Mechanically Robust Hybrid Gel Beads Loaded with "Naked" Palladium Nanoparticles as Efficient, Reusable, and Sustainable Catalysts for the Suzuki-Miyaura Reaction. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:1678-1689. [PMID: 36778525 PMCID: PMC9906743 DOI: 10.1021/acssuschemeng.2c05484] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 01/05/2023] [Indexed: 05/27/2023]
Abstract
The increase in demand for Pd and its low abundance pose a significant threat to its future availability, rendering research into more sustainable Pd-based technologies essential. Herein, we report Pd scavenging mechanically robust hybrid gel beads composed of agarose, a polymer gelator (PG), and an active low-molecular-weight gelator (LMWG) based on 1,3:2,4-dibenzylidenesorbitol (DBS), DBS-CONHNH 2 . The robustness of the PG and the ability of the LMWG to reduce Pd(II) in situ to generate naked Pd(0) nanoparticles (PdNPs) combine within these gel beads to give them potential as practical catalysts for Suzuki-Miyaura cross-coupling reactions. The optimized gel beads demonstrate good reusability, green metrics, and most importantly the ability to sustain stirring, improving reaction times and energy consumption compared to previous examples. In contrast to previous reports, the leaching of palladium from these next-generation beads is almost completely eliminated. Additionally, for the first time, a detailed investigation of these Pd-loaded gel beads explains precisely how the nanoparticles are formed in situ without a stabilizing ligand. Further, detailed catalytic investigations demonstrate that catalysis occurs within the gel beads. Hence, these beads can essentially be considered as robust "nonligated" heterogeneous PdNP catalysts. Given the challenges in developing ligand-free, naked Pd nanoparticles as stable catalysts, these gel beads may have future potential for the development of easily used systems to perform chemical reactions in "kit" form.
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Kapusta O, Jarosz A, Stadnik K, Giannakoudakis DA, Barczyński B, Barczak M. Antimicrobial Natural Hydrogels in Biomedicine: Properties, Applications, and Challenges-A Concise Review. Int J Mol Sci 2023; 24:2191. [PMID: 36768513 PMCID: PMC9917233 DOI: 10.3390/ijms24032191] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Natural hydrogels are widely used as biomedical materials in many areas, including drug delivery, tissue scaffolds, and particularly wound dressings, where they can act as an antimicrobial factor lowering the risk of microbial infections, which are serious health problems, especially with respect to wound healing. In this review article, a number of promising strategies in the development of hydrogels with biocidal properties, particularly those originating from natural polymers, are briefly summarized and concisely discussed. Common strategies to design and fabricate hydrogels with intrinsic or stimuli-triggered antibacterial activity are exemplified, and the mechanisms lying behind these properties are also discussed. Finally, practical antibacterial applications are also considered while discussing the current challenges and perspectives.
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Affiliation(s)
- Oliwia Kapusta
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
| | - Anna Jarosz
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
| | - Katarzyna Stadnik
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
| | | | - Bartłomiej Barczyński
- 1st Department of Oncological Gynecology and Gynecology, Medical University in Lublin, 20-059 Lublin, Poland
| | - Mariusz Barczak
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
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Build in seconds: Small-molecule hydrogels of self-assembled tryptophan derivatives. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Khoo SC, Goh MS, Alias A, Luang-In V, Chin KW, Ling Michelle TH, Sonne C, Ma NL. Application of antimicrobial, potential hazard and mitigation plans. ENVIRONMENTAL RESEARCH 2022; 215:114218. [PMID: 36049514 PMCID: PMC9422339 DOI: 10.1016/j.envres.2022.114218] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/06/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
The tremendous rise in the consumption of antimicrobial products had aroused global concerns, especially in the midst of pandemic COVID-19. Antimicrobial resistance has been accelerated by widespread usage of antimicrobial products in response to the COVID-19 pandemic. Furthermore, the widespread use of antimicrobial products releases biohazardous substances into the environment, endangering the ecology and ecosystem. Therefore, several strategies or measurements are needed to tackle this problem. In this review, types of antimicrobial available, emerging nanotechnology in antimicrobial production and their advanced application have been discussed. The problem of antimicrobial resistance (AMR) due to antibiotic-resistant bacteria (ARB)and antimicrobial resistance genes (AMG) had become the biggest threat to public health. To deal with this problem, an in-depth discussion of the challenges faced in antimicrobial mitigations and potential alternatives was reviewed.
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Affiliation(s)
- Shing Ching Khoo
- Henan Province Engineering Research Centre for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; BIOSES Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Meng Shien Goh
- Henan Province Engineering Research Centre for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; BIOSES Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Amirah Alias
- Eco-Innovation Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Vijitra Luang-In
- Natural Antioxidant Innovation Research Unit, Department of Biotechnology, Faculty of Technology, Mahasarakham University, Khamriang, Kantarawichai, Maha Sarakham, 44150, Thailand
| | - Kah Wei Chin
- BIOSES Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Tiong Hui Ling Michelle
- BIOSES Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Christian Sonne
- Henan Province Engineering Research Centre for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000, Roskilde, Denmark.
| | - Nyuk Ling Ma
- Henan Province Engineering Research Centre for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; BIOSES Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia.
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Piras CC, Mahon CS, Genever PG, Smith DK. Shaping and Patterning Supramolecular Materials─Stem Cell-Compatible Dual-Network Hybrid Gels Loaded with Silver Nanoparticles. ACS Biomater Sci Eng 2022; 8:1829-1840. [PMID: 35364810 PMCID: PMC9092345 DOI: 10.1021/acsbiomaterials.1c01560] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Hydrogels
with spatio-temporally
controlled properties are appealing
materials for biological and pharmaceutical applications. We make
use of mild acidification protocols to fabricate hybrid gels using
calcium alginate in the presence of a preformed thermally triggered
gel based on a low-molecular-weight gelator (LMWG) 1,3:2:4-di(4-acylhydrazide)-benzylidene
sorbitol (DBS-CONHNH2). Nonwater-soluble calcium carbonate
slowly releases calcium ions over time when exposed to an acidic pH,
triggering the assembly of the calcium alginate gel network. We combined
the gelators in different ways: (i) the LMWG was used as a template
to spatially control slow calcium alginate gelation within preformed
gel beads, using glucono-δ-lactone (GdL) to lower the pH; (ii)
the LMWG was used as a template to spatially control slow calcium
alginate gelation within preformed gel trays, using diphenyliodonium
nitrate (DPIN) as a photoacid to lower the pH, and spatial resolution
was achieved by masking. The dual-network hybrid gels display highly
tunable properties, and the beads are compatible with stem cell growth.
Furthermore, they preserve the LMWG function of inducing in situ silver
nanoparticle (AgNP) formation, which provides the gels with antibacterial
activity. These gels have potential for eventual regenerative medicine
applications in (e.g.) bone tissue engineering.
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Affiliation(s)
- Carmen C Piras
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Clare S Mahon
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Paul G Genever
- Department of Biology, University of York, Heslington, York YO10 5DD, United Kingdom
| | - David K Smith
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
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12
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Piras CC, Kay AG, Genever PG, Fitremann J, Smith DK. Self-assembled gel tubes, filaments and 3D-printing with in situ metal nanoparticle formation and enhanced stem cell growth. Chem Sci 2022; 13:1972-1981. [PMID: 35308847 PMCID: PMC8848986 DOI: 10.1039/d1sc06062g] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/16/2022] [Indexed: 12/18/2022] Open
Abstract
This paper reports simple strategies to fabricate self-assembled artificial tubular and filamentous systems from a low molecular weight gelator (LMWG). In the first strategy, tubular ‘core–shell’ gel structures based on the dibenzylidenesorbitol-based LMWG DBS-CONHNH2 were made in combination with the polymer gelator (PG) calcium alginate. In the second approach, gel filaments based on DBS-CONHNH2 alone were prepared by wet spinning at elevated concentrations using a ‘solvent-switch’ approach. The higher concentrations used in wet-spinning prevent the need for a supporting PG. Furthermore, this can be extended into a 3D-printing method, with the printed LMWG objects showing excellent stability for at least a week in water. The LMWG retains its unique ability for in situ precious metal reduction, yielding Au nanoparticles (AuNPs) within the tubes and filaments when they are exposed to AuCl3 solutions. Since the gel filaments have a higher loading of DBS-CONHNH2, they can be loaded with significantly more AuNPs. Cytotoxicity and viability studies on human mesenchymal stem cells show that the DBS-CONHNH2 and DBS-CONHNH2/alginate hybrid gels loaded with AuNPs are biocompatible, with the presence of AuNPs enhancing stem cell metabolism. Taken together, these results indicate that DBS-CONHNH2 can be shaped and 3D-printed, and has considerable potential for use in tissue engineering applications. Simple fabrication and 3D-printing methods are used to generate tubes and filaments from self-assembled gels, which can be loaded in situ with gold nanoparticles, with the resulting gels encouraging stem cell proliferation.![]()
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Affiliation(s)
- Carmen C. Piras
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Alasdair G. Kay
- Department of Biology, University of York, Heslington, York, YO10 5DD, UK
| | - Paul G. Genever
- Department of Biology, University of York, Heslington, York, YO10 5DD, UK
| | - Juliette Fitremann
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 Route de Narbonne, F-31062 Toulouse, France
| | - David K. Smith
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
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13
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Chen Z, Yuan J, Yu Q, Luo Z, Xie C, Zhang K, Tang L, Wang H. High strength antibacterial membranes consisted of nanofibrous chitosan immobilized silver nanoparticles. J Appl Polym Sci 2021. [DOI: 10.1002/app.51518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Zhiyu Chen
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Jiali Yuan
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Qinran Yu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Zhixin Luo
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Cong Xie
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Kaiyuan Zhang
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Longxiang Tang
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Huiqing Wang
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
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14
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Maity C, Das N. Alginate-Based Smart Materials and Their Application: Recent Advances and Perspectives. Top Curr Chem (Cham) 2021; 380:3. [PMID: 34812965 DOI: 10.1007/s41061-021-00360-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 11/03/2021] [Indexed: 12/14/2022]
Abstract
Nature produces materials using available molecular building blocks following a bottom-up approach. These materials are formed with great precision and flexibility in a controlled manner. This approach offers the inspiration for manufacturing new artificial materials and devices. Synthetic artificial materials can find many important applications ranging from personalized therapeutics to solutions for environmental problems. Among these materials, responsive synthetic materials are capable of changing their structure and/or properties in response to external stimuli, and hence are termed "smart" materials. Herein, this review focuses on alginate-based smart materials and their stimuli-responsive preparation, fragmentation, and applications in diverse fields from drug delivery and tissue engineering to water purification and environmental remediation. In the first part of this report, we review stimuli-induced preparation of alginate-based materials. Stimuli-triggered decomposition of alginate materials in a controlled fashion is documented in the second part, followed by the application of smart alginate materials in diverse fields. Because of their biocompatibility, easy accessibility, and simple techniques of material formation, alginates can provide solutions for several present and future problems of humankind. However, new research is needed for novel alginate-based materials with new functionalities and well-defined properties for targeted applications.
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Affiliation(s)
- Chandan Maity
- Department of Chemistry, School of Advanced Science (SAS), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India.
| | - Nikita Das
- Department of Chemistry, School of Advanced Science (SAS), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India
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15
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Lv X, Tian S, Liu C, Luo LL, Shao ZB, Sun SL. Tough, antibacterial and self-healing ionic liquid/multiwalled carbon nanotube hydrogels as elements to produce flexible strain sensors for monitoring human motion. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Piras CC, Smith DK. Self-Propelling Hybrid Gels Incorporating an Active Self-Assembled, Low-Molecular-Weight Gelator. Chemistry 2021; 27:14527-14534. [PMID: 34339068 PMCID: PMC8597049 DOI: 10.1002/chem.202102472] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Indexed: 01/25/2023]
Abstract
Hybrid gel beads based on combining a low-molecular-weight gelator (LMWG) with a polymer gelator (PG) demonstrate an enhanced ability to self-propel in water, with the LMWG playing an active role. Hybrid gel beads were loaded with ethanol and shown to move in water owing to the Marangoni effect changes in surface tension caused by the expulsion of ethanol - smaller beads move farther and faster than larger beads. Flat shapes of the hybrid gel were cut using a "stamp" - circles moved the furthest, whereas stars showed more rotation on their own axes. Comparing hybrid LMWG/PG gel beads with PG-only beads demonstrated that the LMWG speeds up the beads, enhancing the rate of self-propulsion. Self-assembly of the LMWG into a "solid-like" network prevents its leaching from the gel. The LMWG also retains its own unique function - specifically, remediating methylene blue pollutant dye from basic water as a result of noncovalent interactions. The mobile hybrid beads accumulate this dye more effectively than PG-only beads. Self-propelling gel beads have potential applications in removal/delivery of active agents in environmental or biological settings. The ability of self-assembling LMWGs to enhance mobility and control removal/delivery suggests that adding them to self-propelling systems can add significant value.
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Affiliation(s)
- Carmen C. Piras
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - David K. Smith
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
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17
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Falcone N, Andoy NMO, Sullan RMA, Kraatz HB. Peptide-Polydopamine Nanocomposite Hydrogel for a Laser-Controlled Hydrophobic Drug Delivery. ACS APPLIED BIO MATERIALS 2021; 4:6652-6657. [PMID: 35006968 DOI: 10.1021/acsabm.1c00699] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Smart antibacterial systems, delivering antimicrobials in a highly controlled manner, are one strategy toward fighting the rise of antibiotic-resistant pathogens. Here, we engineer a laser-responsive antimicrobial nanocomposite hydrogel combining a peptide amphiphile and a photothermally active polydopamine nanoparticle (PDNP) to entrap the hydrophobic rifampicin within the hydrophilic hydrogel matrix. We show that the ability of the gelator to interact and retain rifampicin within the gel induced structural changes in its nanofiber network and mechanical properties. Furthermore, PDNP inclusion enabled laser-induced drug release, preventing growth of a Gram-negative E. coli. Overall, our work provides a significant advance in designing smart materials for controlled drug delivery applications.
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Affiliation(s)
- Natashya Falcone
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada.,Department of Physical and Environmental Science, University of Toronto Scarborough, 1065 Military Trail, Scarborough, Ontario M1C 1A4, Canada
| | - Nesha May O Andoy
- Department of Physical and Environmental Science, University of Toronto Scarborough, 1065 Military Trail, Scarborough, Ontario M1C 1A4, Canada
| | - Ruby May A Sullan
- Department of Physical and Environmental Science, University of Toronto Scarborough, 1065 Military Trail, Scarborough, Ontario M1C 1A4, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H5, Canada
| | - Heinz-Bernhard Kraatz
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada.,Department of Physical and Environmental Science, University of Toronto Scarborough, 1065 Military Trail, Scarborough, Ontario M1C 1A4, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H5, Canada
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18
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Piras CC, Patterson AK, Smith DK. Hybrid Self-Assembled Gel Beads for Tuneable pH-Controlled Rosuvastatin Delivery. Chemistry 2021; 27:13203-13210. [PMID: 34346527 PMCID: PMC8519141 DOI: 10.1002/chem.202101405] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Indexed: 12/11/2022]
Abstract
This article describes the fabrication of new pH-responsive hybrid gel beads combining the polymer gelator calcium alginate with two different low-molecular-weight gelators (LMWGs) based on 1,3 : 2,4-dibenzylidene-d-sorbitol: pH-responsive DBS-COOH and thermally responsive DBS-CONHNH2 , thus clearly demonstrating that different classes of LMWG can be fabricated into gel beads by using this approach. We also demonstrate that self-assembled multicomponent gel beads can be formed by using different combinations of these gelators. The different gel bead formulations exhibit different responsiveness - the DBS-COOH network can disassemble within those beads in which it is present upon raising the pH. To exemplify preliminary data for a potential application for these hybrid gel beads, we explored aspects of the delivery of the lipid-lowering active pharmaceutical ingredient (API) rosuvastatin. The release profile of this statin from the hybrid gel beads is pH-dependent, with greater release at pH 7.4 than at pH 4.0 - primary control of this process results from the pKa of the API. The extent of pH-mediated API release is also significantly further modified according to gel bead composition. The DBS-COOH/alginate beads show rapid, highly effective drug release at pH 7.4, whereas the three-component DBS-COOH/DBS-CONHNH2 /alginate system shows controlled slow release of the API under the same conditions. These initial results indicate that such gel beads constitute a promising, versatile and easily tuned platform suitable for further development for controlled drug-delivery applications.
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Affiliation(s)
- Carmen C. Piras
- Department of ChemistryUniversity of YorkHeslington, YorkYO10 5DDUK
| | | | - David K. Smith
- Department of ChemistryUniversity of YorkHeslington, YorkYO10 5DDUK
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19
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Rangel Euzcateguy G, Parajua-Sejil C, Marchal P, Chapron D, Averlant-Petit MC, Stefan L, Pickaert G, Durand A. Rheological investigation of the influence of dextran on the self-assembly of lysine derivatives in water/dimethylsulfoxide mixtures. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126908] [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]
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20
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Wales DJ, Miralles-Comins S, Franco-Castillo I, Cameron JM, Cao Q, Karjalainen E, Alves Fernandes J, Newton GN, Mitchell SG, Sans V. Decoupling manufacturing from application in additive manufactured antimicrobial materials. Biomater Sci 2021; 9:5397-5406. [PMID: 33988192 DOI: 10.1039/d1bm00430a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
3D printable materials based on polymeric ionic liquids (PILs) capable of controlling the synthesis and stabilisation of silver nanoparticles (AgNPs) and their synergistic antimicrobial activity are reported. The interaction of the ionic liquid moieties with the silver precursor enabled the controlled in situ formation and stabilisation of AgNPs via extended UV photoreduction after the printing process, thus demonstrating an effective decoupling of the device manufacturing from the on-demand generation of nanomaterials, which avoids the potential aging of the nanomaterials through oxidation. The printed devices showed a multi-functional and tuneable microbicidal activity against Gram positive (B. subtilis) and Gram negative (E. coli) bacteria and against the mould Aspergillus niger. While the polymeric material alone was found to be bacteriostatic, the AgNPs conferred bactericidal properties to the material. Combining PIL-based materials with functionalities, such as in situ and photoactivated on-demand fabricated antimicrobial AgNPs, provides a synergistic functionality that could be harnessed for a variety of applications, especially when coupled to the freedom of design inherent to additive manufacturing techniques.
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Affiliation(s)
- Dominic J Wales
- Faculty of Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Sara Miralles-Comins
- Institute of Advanced Materials (INAM), Universitat Jaume I, 12071, Castellon, Spain.
| | - Isabel Franco-Castillo
- Instituto de Nanociencia y Materiales de Aragón (INMA-CSIC), CSIC-Universidad de Zaragoza, c/Pedro Cerbuna 12, 50009 Zaragoza, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain.
| | - Jamie M Cameron
- GSK Carbon Neutral Laboratory, University of Nottingham, Jubilee Campus, Nottingham, NG8 2GA, UK
| | - Qun Cao
- Faculty of Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Erno Karjalainen
- Faculty of Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Jesum Alves Fernandes
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Graham N Newton
- GSK Carbon Neutral Laboratory, University of Nottingham, Jubilee Campus, Nottingham, NG8 2GA, UK
| | - Scott G Mitchell
- Instituto de Nanociencia y Materiales de Aragón (INMA-CSIC), CSIC-Universidad de Zaragoza, c/Pedro Cerbuna 12, 50009 Zaragoza, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain.
| | - Victor Sans
- Institute of Advanced Materials (INAM), Universitat Jaume I, 12071, Castellon, Spain.
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21
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Rizzo C, Marullo S, Billeci F, D'Anna F. Catalysis in Supramolecular Systems: the Case of Gel Phases. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100372] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Carla Rizzo
- Università degli Studi di Palermo Dipartimento STEBICEF Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Salvatore Marullo
- Università degli Studi di Palermo Dipartimento STEBICEF Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Floriana Billeci
- Università degli Studi di Palermo Dipartimento STEBICEF Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Francesca D'Anna
- Università degli Studi di Palermo Dipartimento STEBICEF Viale delle Scienze, Ed. 17 90128 Palermo Italy
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22
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Garg D, Matai I, Sachdev A. Toward Designing of Anti-infective Hydrogels for Orthopedic Implants: From Lab to Clinic. ACS Biomater Sci Eng 2021; 7:1933-1961. [PMID: 33826312 DOI: 10.1021/acsbiomaterials.0c01408] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
An alarming increase in implant failure incidence due to microbial colonization on the administered orthopedic implants has become a horrifying threat to replacement surgeries and related health concerns. In essence, microbial adhesion and its subsequent biofilm formation, antibiotic resistance, and the host immune system's deficiency are the main culprits. An advanced class of biomaterials termed anti-infective hydrogel implant coatings are evolving to subdue these complications. On this account, this review provides an insight into the significance of anti-infective hydrogels for preventing orthopedic implant associated infections to improve the bone healing process. We briefly discuss the clinical course of implant failure, with a prime focus on orthopedic implants. We identify the different anti-infective coating strategies and hence several anti-infective agents which could be incorporated in the hydrogel matrix. The fundamental design criteria to be considered while fabricating anti-infective hydrogels for orthopedic implants will be discussed. We highlight the different hydrogel coatings based on the origin of the polymers involved in light of their antimicrobial efficacy. We summarize the relevant patents reported in the prevention of implant infections, including orthopedics. Finally, the challenges concerning the clinical translation of the aforesaid hydrogels are described, and considerable solutions for improved clinical practice and better future prospects are proposed.
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Affiliation(s)
- Deepa Garg
- Central Scientific Instruments Organisation (CSIR-CSIO), Chandigarh-160030, India.,Academy of Scientific and Innovative Research, CSIR-CSIO, Chandigarh-160030, India
| | - Ishita Matai
- Central Scientific Instruments Organisation (CSIR-CSIO), Chandigarh-160030, India.,Academy of Scientific and Innovative Research, CSIR-CSIO, Chandigarh-160030, India
| | - Abhay Sachdev
- Central Scientific Instruments Organisation (CSIR-CSIO), Chandigarh-160030, India.,Academy of Scientific and Innovative Research, CSIR-CSIO, Chandigarh-160030, India
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23
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Xi J, An L, Huang Y, Jiang J, Wang Y, Wei G, Xu Z, Fan L, Gao L. Ultrasmall FeS 2 Nanoparticles-Decorated Carbon Spheres with Laser-Mediated Ferrous Ion Release for Antibacterial Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2005473. [PMID: 33661558 DOI: 10.1002/smll.202005473] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 01/22/2021] [Indexed: 06/12/2023]
Abstract
Recent progress in nanotechnology and the ancient use of sulfur in treating dermatological disorders have promoted the development of nano-sulfides for antimicrobial applications. However, the variable valences and abundant forms of nano-sulfides have complicated investigations on their antibacterial activity. Here, carbon nanospheres (CNSs) with decoration of ultrasmall FeS2 nanoparticles (CNSs@FeS2 ) is synthesized, and their antibacterial ability and mechanism are explored. The CNSs@FeS2 released Fe2+ and sulfur ions simultaneously through dissolution and disproportionation. In vitro study indicated that the released Fe2+ killed bacteria by increasing the oxidative state of bacterial surfaces and intracellular molecules. Importantly, the released sulfur exhibited a protective effect on Fe2+ , ensuring the stable existence of Fe2+ to continuously combat bacteria. Moreover, the carbon shells of CNSs@FeS2 not only prevented the aggregation of FeS2 but also accelerated the release of Fe2+ through photothermal effects to achieve synergistic hyperthermia/Fe2+ therapy. In vivo experiments indicated that treatment with CNSs@FeS2 resulted in a marked reduction in bacterial number and improvement in survival in an acute peritonitis mouse model, and antibacterial wound experiments demonstrated high efficacy of CNSs@FeS2 -enabled synergistic hyperthermia/Fe2+ therapy. Thus, this study clarifies the antibacterial mechanism of FeS2 and offers a synergetic therapeutic platform with laser-mediated Fe2+ release for antibacterial applications.
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Affiliation(s)
- Juqun Xi
- Department of Pharmacology, School of Medicine, Institute of Translational Medicine, Yangzhou University, Yangzhou, 225009, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou, 225009, China
| | - Lanfang An
- Department of Pharmacology, School of Medicine, Institute of Translational Medicine, Yangzhou University, Yangzhou, 225009, China
| | - Yaling Huang
- Department of Pharmacology, School of Medicine, Institute of Translational Medicine, Yangzhou University, Yangzhou, 225009, China
| | - Jian Jiang
- Department of Pharmacology, School of Medicine, Institute of Translational Medicine, Yangzhou University, Yangzhou, 225009, China
| | - Yanqiu Wang
- Department of Pharmacology, School of Medicine, Institute of Translational Medicine, Yangzhou University, Yangzhou, 225009, China
| | - Gen Wei
- Department of Pharmacology, School of Medicine, Institute of Translational Medicine, Yangzhou University, Yangzhou, 225009, China
| | - Zhilong Xu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Lei Fan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Lizeng Gao
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Protein and Peptide Pharmaceutical, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
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24
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Biswas P, Dastidar P. Anchoring Drugs to a Zinc(II) Coordination Polymer Network: Exploiting Structural Rationale toward the Design of Metallogels for Drug-Delivery Applications. Inorg Chem 2021; 60:3218-3231. [PMID: 33570921 DOI: 10.1021/acs.inorgchem.0c03550] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new series of coordination polymers (CPs) were synthesized and crystallographically characterized by single-crystal X-ray diffraction with the aim of developing drug-delivery systems via metallogel formation. Structural rationale was employed to design such coordination-polymer-based metallogels. As many as nine CPs were obtained by reacting two bis(pyridyl)urea ligands, namely, 1,3-dipyridin-3-ylurea (3U) and 1,3-dipyridin-4-ylurea (4U), and the sodium salt of various nonsteroidal antiinflammatory drugs, namely, ibuprofen (IBU), naproxen (NAP), fenoprofen (FEN), diclofenac (DIC), meclofenamic acid (MEC), mefenamic acid (MEF), and Zn(NO3)2. All of the CPs displayed 1D polymeric chains that were self-assembled through various hydrogen-bonding interactions involving the urea N-H and carboxylate O atoms and, in a few cases, lattice-occluded water molecules. The reacting components of the CPs produced five metallogels in dimethyl sulfoxide/water. The gels were characterized by rheology and transmission electron microscopy. Three selected metallogelators, namely, 3UMEFg, 3UNAPg, and 3UMECg, showed in vitro anticancer, cell imaging, and multidrug delivery for antibacterial applications, respectively. The shear-thinning properties of 3UMECg (rheoreversibility and injectability) make it a potential candidate for plausible topical application.
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Affiliation(s)
- Protap Biswas
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Parthasarathi Dastidar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Kolkata 700032, India
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25
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Xu Z, Zhang C, Wang X, Liu D. Release Strategies of Silver Ions from Materials for Bacterial Killing. ACS APPLIED BIO MATERIALS 2021; 4:3985-3999. [DOI: 10.1021/acsabm.0c01485] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zhiwen Xu
- State Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, and Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Cai Zhang
- State Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, and Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiang Wang
- State Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, and Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Dingbin Liu
- State Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, and Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
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26
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Chen R, Xu C, Lei Y, Liu H, Zhu Y, Zhang J, Xu L. Facile construction of a family of supramolecular gels with good levofloxacin hydrochloride loading capacity. RSC Adv 2021. [DOI: 10.1039/d1ra00809a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
A family of low molecular weight gelators with different alkyl chain lengths was constructed, having excellent gelation ability and antibiotic loading capacity. A low molecular weight hydrogelator was obtained by adjusting the length of alkyl chain.
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Affiliation(s)
- Renyuan Chen
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province
- School of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Caidie Xu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province
- School of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Yihao Lei
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province
- School of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Hongxin Liu
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou
- China
| | - Yabin Zhu
- Medical School of Ningbo University
- Ningbo 315211
- China
| | - Jianfeng Zhang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province
- School of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Long Xu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province
- School of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo
- China
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27
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Piras CC, Mahon CS, Smith DK. Self-Assembled Supramolecular Hybrid Hydrogel Beads Loaded with Silver Nanoparticles for Antimicrobial Applications. Chemistry 2020; 26:8452-8457. [PMID: 32294272 PMCID: PMC7384024 DOI: 10.1002/chem.202001349] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/08/2020] [Indexed: 12/28/2022]
Abstract
This Full Paper reports the formation of silver (Ag) NPs within spatially resolved two-component hydrogel beads, which combine a low-molecular-weight gelator (LMWG) DBS-CONHNH2 and a polymer gelator (PG) calcium alginate. The AgNPs are formed through in situ reduction of AgI , with the resulting nanoparticle-loaded gels being characterised in detail. The antibacterial activity of the nanocomposite gel beads was tested against two drug-resistant bacterial strains, often associated with hospital-acquired infections: vancomycin-resistant Enterococcus faecium (VRE) and Pseudomonas aeruginosa (PA14), and the AgNP-loaded gels showed good antimicrobial properties against both types of bacteria. It is suggested that the gel bead format of these AgNP-loaded hybrid hydrogels makes them promising versatile materials for potential applications in orthopaedics or wound healing.
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Affiliation(s)
- Carmen C. Piras
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - Clare S. Mahon
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - David K. Smith
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
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