1
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Hughes KJ, Cheng J, Iyer KA, Ralhan K, Ganesan M, Hsu CW, Zhan Y, Wang X, Zhu B, Gao M, Wang H, Zhang Y, Huang J, Zhou QA. Unveiling Trends: Nanoscale Materials Shaping Emerging Biomedical Applications. ACS NANO 2024; 18:16325-16342. [PMID: 38888229 DOI: 10.1021/acsnano.4c04514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
The realm of biomedical materials continues to evolve rapidly, driven by innovative research across interdisciplinary domains. Leveraging big data from the CAS Content Collection, this study employs quantitative analysis through natural language processing (NLP) to identify six emerging areas within nanoscale materials for biomedical applications. These areas encompass self-healing, bioelectronic, programmable, lipid-based, protein-based, and antibacterial materials. Our Nano Focus delves into the multifaceted utilization of nanoscale materials in these domains, spanning from augmenting physical and electronic properties for interfacing with human tissue to facilitating intricate functionalities like programmable drug delivery.
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Affiliation(s)
- Kevin J Hughes
- CAS, a division of the American Chemical Society, Columbus, Ohio 43210, United States
| | - Jianjun Cheng
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Kavita A Iyer
- ACS International India Pvt. Ltd., Pune 411044, India
| | | | | | - Chia-Wei Hsu
- CAS, a division of the American Chemical Society, Columbus, Ohio 43210, United States
| | - Yutao Zhan
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Xinning Wang
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Bowen Zhu
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Menghua Gao
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Huaimin Wang
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Yue Zhang
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
| | - Jiaxing Huang
- Westlake University, 600 Dunyu Rd., Xihu District, Hangzhou, Zhejiang 310030. PR China
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2
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Pan Z, Dorogin J, Lofts A, Randhawa G, Xu F, Slick R, Abraha M, Tran C, Lawlor M, Hoare T. Injectable and Dynamically Crosslinked Zwitterionic Hydrogels for Anti-Fouling and Tissue Regeneration Applications. Adv Healthc Mater 2024; 13:e2304397. [PMID: 38684223 DOI: 10.1002/adhm.202304397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/29/2024] [Indexed: 05/02/2024]
Abstract
A zwitterionic injectable and degradable hydrogel based on hydrazide and aldehyde-functionalized [2-(methacryloyloxy)ethyl] dimethyl-(3-sulfopropyl)ammonium hydroxide (DMAPS) precursor polymers that can address practical in vivo needs is reported. Zwitterion fusion interactions between the zwitterionic precursor polymers create a secondary physically crosslinked network to enable much more rapid gelation than previously reported with other synthetic polymers, facilitating rapid gelation at much lower polymer concentrations or degrees of functionalization than previously accessible in addition to promoting zero swelling and long-term degradation responses and significantly stiffer mechanics than are typically accessed with previously reported low-viscosity precursor gelation systems. The hydrogels maintain the highly anti-fouling properties of conventional zwitterionic hydrogels against proteins, mammalian cells, and bacteria while also promoting anti-fibrotic tissue responses in vivo. Furthermore, the use of the hydrogels for effective delivery and subsequent controlled release of viable cells with tunable profiles both in vitro and in vivo is demonstrated, including the delivery of myoblasts in a mouse skeletal muscle defect model for reducing the time between injury and functional mobility recovery. The combination of the injectability, degradability, and tissue compatibility achieved offers the potential to expand the utility of zwitterionic hydrogels in minimally invasive therapeutic applications.
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Affiliation(s)
- Zhicheng Pan
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, China
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Jonathan Dorogin
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Andrew Lofts
- Department of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Gurpreet Randhawa
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
- Department of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Fei Xu
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Rebecca Slick
- Department of Pathology and Laboratory Medicine and Neuroscience Research Center, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Mosana Abraha
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Cecilia Tran
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
| | - Michael Lawlor
- Department of Pathology and Laboratory Medicine and Neuroscience Research Center, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Todd Hoare
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada
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3
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Ozbek I, Saybasili H, Ulgen KO. Applications of 3D Bioprinting Technology to Brain Cells and Brain Tumor Models: Special Emphasis to Glioblastoma. ACS Biomater Sci Eng 2024; 10:2616-2635. [PMID: 38664996 PMCID: PMC11094688 DOI: 10.1021/acsbiomaterials.3c01569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 03/17/2024] [Accepted: 04/12/2024] [Indexed: 05/14/2024]
Abstract
Primary brain tumor is one of the most fatal diseases. The most malignant type among them, glioblastoma (GBM), has low survival rates. Standard treatments reduce the life quality of patients due to serious side effects. Tumor aggressiveness and the unique structure of the brain render the removal of tumors and the development of new therapies challenging. To elucidate the characteristics of brain tumors and examine their response to drugs, realistic systems that mimic the tumor environment and cellular crosstalk are desperately needed. In the past decade, 3D GBM models have been presented as excellent platforms as they allowed the investigation of the phenotypes of GBM and testing innovative therapeutic strategies. In that scope, 3D bioprinting technology offers utilities such as fabricating realistic 3D bioprinted structures in a layer-by-layer manner and precisely controlled deposition of materials and cells, and they can be integrated with other technologies like the microfluidics approach. This Review covers studies that investigated 3D bioprinted brain tumor models, especially GBM using 3D bioprinting techniques and essential parameters that affect the result and quality of the study like frequently used cells, the type and physical characteristics of hydrogel, bioprinting conditions, cross-linking methods, and characterization techniques.
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Affiliation(s)
- Ilkay
Irem Ozbek
- Department
of Chemical Engineering, Bogazici University, Istanbul 34342, Turkey
| | - Hale Saybasili
- Institute
of Biomedical Engineering, Bogazici University, Istanbul 34684, Turkey
| | - Kutlu O. Ulgen
- Department
of Chemical Engineering, Bogazici University, Istanbul 34342, Turkey
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4
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Fathi A, Gholami M, Motasadizadeh H, Malek-Khatabi A, Sedghi R, Dinarvand R. Thermoresponsive in situ forming and self-healing double-network hydrogels as injectable dressings for silymarin/levofloxacin delivery for treatment of third-degree burn wounds. Carbohydr Polym 2024; 331:121856. [PMID: 38388054 DOI: 10.1016/j.carbpol.2024.121856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/16/2024] [Accepted: 01/20/2024] [Indexed: 02/24/2024]
Abstract
Our study aimed to introduce a novel double-cross-linked and thermoresponsive hydrogel with remarkable potential for accelerating third-degree burn wound healing. Burn injuries are recognized as challenging, critical wounds. Especially in third-degree burns, treatment is demanding due to extended wounds, irregular shapes, significant exudation, and intense pain during dressing changes. In this work, hydrogels made of zwitterionic chitosan and dialdehyde starch (ZCS and ZDAS) were created to deliver silymarine (SM) and levofloxacin (LEV). The hydrogels were effortlessly produced using dynamic Schiff base linkages and ionic interactions between ZCS and ZDAS at appropriate times. The pore uniformity, gel fraction, and commendable swelling properties can imply a suitable degree of Schiff base cross-link. The hydrogel demonstrated outstanding shape retention, and significant self-healing and flexibility abilities, enabling it to uphold its form even during bodily movements. After injecting biocompatible hydrogel on the wound, a notable acceleration in wound closure was observed on day 21 (98.1 ± 1.10 %) compared to the control group (75.1 ± 6.13 %), and histopathological analysis revealed a reduction of inflammation that can be linked to remarkable antioxidant and antibiotic properties. The results demonstrate the hydrogel's efficacy in promoting burn wound healing, making it a promising candidate for medical applications.
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Affiliation(s)
- Anna Fathi
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411 Tehran, Iran
| | - Marziye Gholami
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411 Tehran, Iran
| | - Hamidreza Motasadizadeh
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran
| | - Atefeh Malek-Khatabi
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Roya Sedghi
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411 Tehran, Iran.
| | - Rassoul Dinarvand
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran; Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran; Leicester School of Pharmacy, De Montfort University, Leicester, UK.
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5
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Hu Y, Wang Y, Yang F, Liu D, Lu G, Li S, Wei Z, Shen X, Jiang Z, Zhao Y, Pang Q, Song B, Shi Z, Shafique S, Zhou K, Chen X, Su W, Jian J, Tang K, Liu T, Zhu Y. Flexible Organic Photovoltaic-Powered Hydrogel Bioelectronic Dressing With Biomimetic Electrical Stimulation for Healing Infected Diabetic Wounds. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307746. [PMID: 38145346 PMCID: PMC10933690 DOI: 10.1002/advs.202307746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/28/2023] [Indexed: 12/26/2023]
Abstract
Electrical stimulation (ES) is proposed as a therapeutic solution for managing chronic wounds. However, its widespread clinical adoption is limited by the requirement of additional extracorporeal devices to power ES-based wound dressings. In this study, a novel sandwich-structured photovoltaic microcurrent hydrogel dressing (PMH dressing) is designed for treating diabetic wounds. This innovative dressing comprises flexible organic photovoltaic (OPV) cells, a flexible micro-electro-mechanical systems (MEMS) electrode, and a multifunctional hydrogel serving as an electrode-tissue interface. The PMH dressing is engineered to administer ES, mimicking the physiological injury current occurring naturally in wounds when exposed to light; thus, facilitating wound healing. In vitro experiments are performed to validate the PMH dressing's exceptional biocompatibility and robust antibacterial properties. In vivo experiments and proteomic analysis reveal that the proposed PMH dressing significantly accelerates the healing of infected diabetic wounds by enhancing extracellular matrix regeneration, eliminating bacteria, regulating inflammatory responses, and modulating vascular functions. Therefore, the PMH dressing is a potent, versatile, and effective solution for diabetic wound care, paving the way for advancements in wireless ES wound dressings.
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Affiliation(s)
- Yi‐Wei Hu
- Health Science CenterNingbo UniversityNingbo315211P. R. China
- Orthopaedic Oncology Center of Changzheng HospitalNaval Medical UniversityShanghai200003P. R. China
| | - Yu‐Heng Wang
- Faculty of Electrical Engineering and Computer ScienceNingbo UniversityNingbo315211P. R. China
- State Key Laboratory of Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'an710049P. R. China
- CAS Key Laboratory of Nanosystem and Hierarchical FabricationNational Center for Nanoscience and TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Fang Yang
- Health Science CenterNingbo UniversityNingbo315211P. R. China
| | - Ding‐Xin Liu
- State Key Laboratory of Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'an710049P. R. China
| | - Guang‐Hao Lu
- State Key Laboratory of Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'an710049P. R. China
| | - Sheng‐Tao Li
- State Key Laboratory of Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'an710049P. R. China
| | - Zhi‐Xiang Wei
- CAS Key Laboratory of Nanosystem and Hierarchical FabricationNational Center for Nanoscience and TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Xiang Shen
- The Research Institute of Advanced TechnologiesNingbo UniversityNingbo315211P. R. China
| | - Zhuang‐De Jiang
- State Key Laboratory for Manufacturing Systems EngineeringXi'an Jiaotong UniversityXi'an710049P. R. China
| | - Yi‐Fan Zhao
- State Key Laboratory for Manufacturing Systems EngineeringXi'an Jiaotong UniversityXi'an710049P. R. China
| | - Qian Pang
- Health Science CenterNingbo UniversityNingbo315211P. R. China
| | - Bai‐Yang Song
- Health Science CenterNingbo UniversityNingbo315211P. R. China
| | - Ze‐Wen Shi
- Health Science CenterNingbo UniversityNingbo315211P. R. China
| | - Shareen Shafique
- School of Physical Science and TechnologyNingbo UniversityNingbo315211P. R. China
| | - Kun Zhou
- Shenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong Kong ShenzhenShenzhen518172P. R. China
| | - Xiao‐Lian Chen
- Printable Electronics Research Center & Nano‐Device and Materials DivisionSuzhou Institute of Nano‐Tech and Nano‐BionicsNano Chinese Academy of SciencesSuzhou215123P. R. China
| | - Wen‐Ming Su
- Printable Electronics Research Center & Nano‐Device and Materials DivisionSuzhou Institute of Nano‐Tech and Nano‐BionicsNano Chinese Academy of SciencesSuzhou215123P. R. China
| | - Jia‐Wen Jian
- Faculty of Electrical Engineering and Computer ScienceNingbo UniversityNingbo315211P. R. China
| | - Ke‐Qi Tang
- Institute of Mass SpectrometrySchool of Material Science and Chemical EngineeringNingbo UniversityNingbo315211P. R. China
| | - Tie‐Long Liu
- Orthopaedic Oncology Center of Changzheng HospitalNaval Medical UniversityShanghai200003P. R. China
| | - Ya‐Bin Zhu
- Health Science CenterNingbo UniversityNingbo315211P. R. China
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6
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Li Y, Han Y, Li H, Niu X, Zhang D, Wang K. Antimicrobial Hydrogels: Potential Materials for Medical Application. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2304047. [PMID: 37752779 DOI: 10.1002/smll.202304047] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 08/20/2023] [Indexed: 09/28/2023]
Abstract
Microbial infections based on drug-resistant pathogenic organisms following surgery or trauma and uncontrolled bleeding are the main causes of increased mortality from trauma worldwide. The prevalence of drug-resistant pathogens has led to a significant increase in medical costs and poses a great threat to the normal life of people. This is an important issue in the field of biomedicine, and the emergence of new antimicrobial materials hydrogels holds great promise for solving this problem. Hydrogel is an important material with good biocompatibility, water absorption, oxygen permeability, adhesion, degradation, self-healing, corrosion resistance, and controlled release of drugs as well as structural diversity. Bacteria-disturbing hydrogels have important applications in the direction of surgical treatment, wound dressing, medical device coating, and tissue engineering. This paper reviews the classification of antimicrobial hydrogels, the current status of research, and the potential of antimicrobial hydrogels for one application in biomedicine, and analyzes the current research of hydrogels in biomedical applications from five aspects: metal-loaded hydrogels, drug-loaded hydrogels, carbon-material-loaded hydrogels, hydrogels with fixed antimicrobial activity and biological antimicrobial hydrogels, and provides an outlook on the high antimicrobial activity, biodegradability, biocompatibility, injectability, clinical applicability and future development prospects of hydrogels in this field.
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Affiliation(s)
- Yanni Li
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Yujia Han
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Hongxia Li
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Xiaohui Niu
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Deyi Zhang
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Kunjie Wang
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
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7
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Wang X, Yang X, Sun Z, Guo X, Teng Y, Hou S, Shi J, Lv Q. Progress in injectable hydrogels for the treatment of incompressible bleeding: an update. Front Bioeng Biotechnol 2024; 11:1335211. [PMID: 38264581 PMCID: PMC10803650 DOI: 10.3389/fbioe.2023.1335211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 12/26/2023] [Indexed: 01/25/2024] Open
Abstract
Uncontrollable haemorrhage from deep, noncompressible wounds remains a persistent and intractable challenge, accounting for a very high proportion of deaths in both war and disaster situations. Recently, injectable hydrogels have been increasingly studied as potential haemostatic materials, highlighting their enormous potential for the management of noncompressible haemorrhages. In this review, we summarize haemostatic mechanisms, commonly used clinical haemostatic methods, and the research progress on injectable haemostatic hydrogels. We emphasize the current status of injectable hydrogels as haemostatic materials, including their physical and chemical properties, design strategy, haemostatic mechanisms, and application in various types of wounds. We discuss the advantages and disadvantages of injectable hydrogels as haemostatic materials, as well as the opportunities and challenges involved. Finally, we propose cutting-edge research avenues to address these challenges and opportunities, including the combination of injectable hydrogels with advanced materials and innovative strategies to increase their biocompatibility and tune their degradation profile. Surface modifications for promoting cell adhesion and proliferation, as well as the delivery of growth factors or other biologics for optimal wound healing, are also suggested. We believe that this paper will inform researchers about the current status of the use of injectable haemostatic hydrogels for noncompressible haemorrhage and spark new ideas for those striving to propel this field forward.
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Affiliation(s)
- Xiudan Wang
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Xinran Yang
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Zhiguang Sun
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Xiaoqin Guo
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Yanjiao Teng
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Shike Hou
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Jie Shi
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
| | - Qi Lv
- Institution of Disaster and Emergency Medicine, Tianjin University, Tianjin, China
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, China
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8
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Long T, Xu T, Li R, Xu Z, Li D, Mu C, Yuan L, Mu Y. Emulsion template fabricated gelatin-based scaffold functionalized by dialdehyde starch complex with antibacterial antioxidant properties for accelerated wound healing. Int J Biol Macromol 2024; 254:127918. [PMID: 37977450 DOI: 10.1016/j.ijbiomac.2023.127918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/31/2023] [Accepted: 11/04/2023] [Indexed: 11/19/2023]
Abstract
Gelatin and starch are considered as promising sustainable materials for their abundant production and good biodegradability. Efforts have been made to explore their medical application. Herein, scaffolds based on gelatin and starch with a preferred microstructure and antibacterial antioxidant property were fabricated by the emulsion template method. The dialdehyde starch was firstly combined with silver nanoparticles and curcumin to carry out the efficient hybrid antibacterial agent. Then, the gelatin microsphere of appropriate size was prepared by emulsification and gathered by the above agent to obtain gelatin-based scaffolds. The prepared scaffolds showed porous microstructures with high porosity of over 74 % and the preferred pore sizes of ∼65 μm, which is conducive to skin regeneration. Moreover, the scaffolds possessed a good swelling ability of over 640 %, good degradability of over 18 days, excellent blood compatibility, and cell compatibility. The promising antibacterial and antioxidant properties came from the hybrid antibacterial agent were affirmed. As expected, the gelatin-based scaffolds fabricated by the emulsion template method with a preferred microstructure can facilitate more adhered fibroblasts. In summary, gelatin-based scaffolds functionalized by starch-based complex expanded the application of abundant sustainable materials in the biomedical field, especially as antibacterial antioxidant wound dressings.
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Affiliation(s)
- Tao Long
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Ting Xu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Rui Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Zhilang Xu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Defu Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Changdao Mu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Lun Yuan
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China; Stomatology Department, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 611731, PR China.
| | - Yandong Mu
- Stomatology Department, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 611731, PR China.
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9
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Kumar A, Sood A, Agrawal G, Thakur S, Thakur VK, Tanaka M, Mishra YK, Christie G, Mostafavi E, Boukherroub R, Hutmacher DW, Han SS. Polysaccharides, proteins, and synthetic polymers based multimodal hydrogels for various biomedical applications: A review. Int J Biol Macromol 2023; 247:125606. [PMID: 37406894 DOI: 10.1016/j.ijbiomac.2023.125606] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 06/14/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023]
Abstract
Nature-derived or biologically encouraged hydrogels have attracted considerable interest in numerous biomedical applications owing to their multidimensional utility and effectiveness. The internal architecture of a hydrogel network, the chemistry of the raw materials involved, interaction across the interface of counter ions, and the ability to mimic the extracellular matrix (ECM) govern the clinical efficacy of the designed hydrogels. This review focuses on the mechanistic viewpoint of different biologically driven/inspired biomacromolecules that encourages the architectural development of hydrogel networks. In addition, the advantage of hydrogels by mimicking the ECM and the significance of the raw material selection as an indicator of bioinertness is deeply elaborated in the review. Furthermore, the article reviews and describes the application of polysaccharides, proteins, and synthetic polymer-based multimodal hydrogels inspired by or derived from nature in different biomedical areas. The review discusses the challenges and opportunities in biomaterials along with future prospects in terms of their applications in biodevices or functional components for human health issues. This review provides information on the strategy and inspiration from nature that can be used to develop a link between multimodal hydrogels as the main frame and its utility in biomedical applications as the primary target.
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Affiliation(s)
- Anuj Kumar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea; School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India.
| | - Ankur Sood
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea
| | - Garima Agrawal
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, H.P. 175075, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, SRUC, Barony Campus, Parkgate, Dumfries DG1 3NE, United Kingdom; School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India.
| | - Masaru Tanaka
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka Nishi-ku, Fukuoka 819-0395, Japan
| | - Yogendra Kumar Mishra
- Smart Materials, Mads Clausen Institute, University of Southern Denmark, Alsion 2, Sønderborg 6400, Denmark
| | - Graham Christie
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, UK
| | - Ebrahim Mostafavi
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Rabah Boukherroub
- Univ. Lille, CNRS, Univ. Polytechnique Hauts-de-France, UMR 8520 - IEMN, F-59000 Lille, France.
| | - Dietmar W Hutmacher
- Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, QLD 4000, Australia; Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology, Brisbane, QLD 4000, Australia; Australian Research Council (ARC) Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing (M3D Innovation), Queensland University of Technology, Brisbane, QLD 4000, Australia.
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
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10
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Sheikh-Oleslami S, Tao B, D'Souza J, Butt F, Suntharalingam H, Rempel L, Amiri N. A Review of Metal Nanoparticles Embedded in Hydrogel Scaffolds for Wound Healing In Vivo. Gels 2023; 9:591. [PMID: 37504470 PMCID: PMC10379627 DOI: 10.3390/gels9070591] [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: 06/27/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023] Open
Abstract
An evolving field, nanotechnology has made its mark in the fields of nanoscience, nanoparticles, nanomaterials, and nanomedicine. Specifically, metal nanoparticles have garnered attention for their diverse use and applicability to dressings for wound healing due to their antimicrobial properties. Given their convenient integration into wound dressings, there has been increasing focus dedicated to investigating the physical, mechanical, and biological characteristics of these nanoparticles as well as their incorporation into biocomposite materials, such as hydrogel scaffolds for use in lieu of antibiotics as well as to accelerate and ameliorate healing. Though rigorously tested and applied in both medical and non-medical applications, further investigations have not been carried out to bring metal nanoparticle-hydrogel composites into clinical practice. In this review, we provide an up-to-date, comprehensive review of advancements in the field, with emphasis on implications on wound healing in in vivo experiments.
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Affiliation(s)
- Sara Sheikh-Oleslami
- Faculty of Medicine, The University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Brendan Tao
- Faculty of Medicine, The University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Jonathan D'Souza
- Faculty of Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
| | - Fahad Butt
- Faculty of Science, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
| | - Hareshan Suntharalingam
- Faculty of Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
| | - Lucas Rempel
- Faculty of Medicine, The University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Nafise Amiri
- International Collaboration on Repair Discoveries, 818 West 10th Avenue, Vancouver, BC V5Z 1M9, Canada
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11
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Erdi M, Sandler A, Kofinas P. Polymer nanomaterials for use as adjuvant surgical tools. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1889. [PMID: 37044114 PMCID: PMC10524211 DOI: 10.1002/wnan.1889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 03/03/2023] [Accepted: 03/17/2023] [Indexed: 04/14/2023]
Abstract
Materials employed in the treatment of conditions encountered in surgical and clinical practice frequently face barriers in translation to application. Shortcomings can be generalized through their reduced mechanical stability, difficulty in handling, and inability to conform or adhere to complex tissue surfaces. To overcome an amalgam of challenges, research has sought the utilization of polymer-derived nanomaterials deposited in various fashions and formulations to improve the application and outcomes of surgical and clinical interventions. Clinically prevalent applications include topical wound dressings, tissue adhesives, surgical sealants, hemostats, and adhesion barriers, all of which have displayed the potential to act as superior alternatives to current materials used in surgical procedures. In this review, emphasis will be placed not only on applications, but also on various design strategies employed in fabrication. This review is designed to provide a broad and thought-provoking understanding of nanomaterials as adjuvant tools for the assisted treatment of pathologies prevalent in surgery. This article is categorized under: Implantable Materials and Surgical Technologies > Nanomaterials and Implants Implantable Materials and Surgical Technologies > Nanoscale Tools and Techniques in Surgery.
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Affiliation(s)
- Metecan Erdi
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland, USA
| | - Anthony Sandler
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Joseph E. Robert Jr. Center for Surgical Care, Children's National Medical Center, Washington, DC, USA
| | - Peter Kofinas
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland, USA
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12
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Nie L, Wei Q, Li J, Deng Y, He X, Gao X, Ma X, Liu S, Sun Y, Jiang G, Okoro OV, Shavandi A, Jing S. Fabrication and desired properties of conductive hydrogel dressings for wound healing. RSC Adv 2023; 13:8502-8522. [PMID: 36926300 PMCID: PMC10012873 DOI: 10.1039/d2ra07195a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023] Open
Abstract
Conductive hydrogels are platforms recognized as constituting promising materials for tissue engineering applications. This is because such conductive hydrogels are characterized by the inherent conductivity properties while retaining favorable biocompatibility and mechanical properties. These conductive hydrogels can be particularly useful in enhancing wound healing since their favorable conductivity can promote the transport of essential ions for wound healing via the imposition of a so-called transepithelial potential. Other valuable properties of these conductive hydrogels, such as wound monitoring, stimuli-response etc., are also discussed in this study. Crucially, the properties of conductive hydrogels, such as 3D printability and monitoring properties, suggest the possibility of its use as an alternative wound dressing to traditional dressings such as bandages. This review, therefore, seeks to comprehensively explore the functionality of conductive hydrogels in wound healing, types of conductive hydrogels and their preparation strategies and crucial properties of hydrogels. This review will also assess the limitations of conductive hydrogels and future perspectives, with an emphasis on the development trend for conductive hydrogel uses in wound dressing fabrication for subsequent clinical applications.
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Affiliation(s)
- Lei Nie
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068.,Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Qianqian Wei
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Jingyu Li
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Yaling Deng
- College of Intelligent Science and Control Engineering, Jinling Institute of Technology Nanjing 211169 P.R. China
| | - Xiaorui He
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Xinyue Gao
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Xiao Ma
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Shuang Liu
- School of Resources and Environmental Engineering, Wuhan University of Technology Wuhan 430070 P. R. China
| | - Yanfang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University Hangzhou 310018 China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Oseweuba Valentine Okoro
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Shengli Jing
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
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13
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GhavamiNejad P, GhavamiNejad A, Zheng H, Dhingra K, Samarikhalaj M, Poudineh M. A Conductive Hydrogel Microneedle-Based Assay Integrating PEDOT:PSS and Ag-Pt Nanoparticles for Real-Time, Enzyme-Less, and Electrochemical Sensing of Glucose. Adv Healthc Mater 2023; 12:e2202362. [PMID: 36183355 DOI: 10.1002/adhm.202202362] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 12/12/1912] [Indexed: 02/03/2023]
Abstract
Continuous glucose meters (CGMs) have tremendously boosted diabetes care by emancipating millions of diabetic patients' need for repeated self-testing by pricking their fingers every few hours. However, CGMs still suffer from major deficiencies regarding accuracy, precision, and stability. This is mainly due to their dependency on an enzymatic detection mechanism. Here a low-cost hydrogel microneedle (HMN)-CGM assay fabricated using swellable dopamine (DA)-hyaluronic acid (HA) hydrogel for glucose interrogation in dermal interstitial fluid (ISF) is introduced. Platinum and silver nanoparticles are synthesized within the 3D porous hydrogel scaffolds for nonenzymatic electrochemical sensing of the glucose. Incorporation of a highly water dispersible conductive polymer, poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) enhances the electrical properties of HMN array, making the patch suitable as the working electrode of the sensor. The in vitro and ex vivo characterization of this newly developed HMN patch is fully studied. The performance of the HMN-CGM for real-time measurement of glucose is also shown using a rat model of type 1 diabetes. The device introduces the first HMN-based assay for tracking important disease biomarkers and expect to pave the way for next generation of polymeric-based sensors.
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Affiliation(s)
- Peyman GhavamiNejad
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Amin GhavamiNejad
- Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Hanjia Zheng
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Karan Dhingra
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Melisa Samarikhalaj
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Mahla Poudineh
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
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14
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Norahan MH, Pedroza-González SC, Sánchez-Salazar MG, Álvarez MM, Trujillo de Santiago G. Structural and biological engineering of 3D hydrogels for wound healing. Bioact Mater 2022; 24:197-235. [PMID: 36606250 PMCID: PMC9803907 DOI: 10.1016/j.bioactmat.2022.11.019] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/07/2022] [Accepted: 11/25/2022] [Indexed: 12/24/2022] Open
Abstract
Chronic wounds have become one of the most important issues for healthcare systems and are a leading cause of death worldwide. Wound dressings are necessary to facilitate wound treatment. Engineering wound dressings may substantially reduce healing time, reduce the risk of recurrent infections, and reduce the disability and costs associated. In the path of engineering of an ideal wound dressing, hydrogels have played a leading role. Hydrogels are 3D hydrophilic polymeric structures that can provide a protective barrier, mimic the native extracellular matrix (ECM), and provide a humid environment. Due to their advantages, hydrogels (with different architectural, physical, mechanical, and biological properties) have been extensively explored as wound dressing platforms. Here we describe recent studies on hydrogels for wound healing applications with a strong focus on the interplay between the fabrication method used and the architectural, mechanical, and biological performance achieved. Moreover, we review different categories of additives which can enhance wound regeneration using 3D hydrogel dressings. Hydrogel engineering for wound healing applications promises the generation of smart solutions to solve this pressing problem, enabling key functionalities such as bacterial growth inhibition, enhanced re-epithelialization, vascularization, improved recovery of the tissue functionality, and overall, accelerated and effective wound healing.
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Affiliation(s)
- Mohammad Hadi Norahan
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Monterrey, NL, 64849, Mexico
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
| | - Sara Cristina Pedroza-González
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Monterrey, NL, 64849, Mexico
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
| | - Mónica Gabriela Sánchez-Salazar
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
- Departamento de Bioingeniería, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
| | - Mario Moisés Álvarez
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
- Departamento de Bioingeniería, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
- Corresponding author. Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico.
| | - Grissel Trujillo de Santiago
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Monterrey, NL, 64849, Mexico
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, Nuevo León, CP, 64849, Mexico
- Corresponding author. Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Monterrey, NL, 64849, Mexico.
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15
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Ren R, Lim C, Li S, Wang Y, Song J, Lin TW, Muir BW, Hsu HY, Shen HH. Recent Advances in the Development of Lipid-, Metal-, Carbon-, and Polymer-Based Nanomaterials for Antibacterial Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213855. [PMID: 36364631 PMCID: PMC9658259 DOI: 10.3390/nano12213855] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/28/2022] [Accepted: 10/28/2022] [Indexed: 05/29/2023]
Abstract
Infections caused by multidrug-resistant (MDR) bacteria are becoming a serious threat to public health worldwide. With an ever-reducing pipeline of last-resort drugs further complicating the current dire situation arising due to antibiotic resistance, there has never been a greater urgency to attempt to discover potential new antibiotics. The use of nanotechnology, encompassing a broad range of organic and inorganic nanomaterials, offers promising solutions. Organic nanomaterials, including lipid-, polymer-, and carbon-based nanomaterials, have inherent antibacterial activity or can act as nanocarriers in delivering antibacterial agents. Nanocarriers, owing to the protection and enhanced bioavailability of the encapsulated drugs, have the ability to enable an increased concentration of a drug to be delivered to an infected site and reduce the associated toxicity elsewhere. On the other hand, inorganic metal-based nanomaterials exhibit multivalent antibacterial mechanisms that combat MDR bacteria effectively and reduce the occurrence of bacterial resistance. These nanomaterials have great potential for the prevention and treatment of MDR bacterial infection. Recent advances in the field of nanotechnology are enabling researchers to utilize nanomaterial building blocks in intriguing ways to create multi-functional nanocomposite materials. These nanocomposite materials, formed by lipid-, polymer-, carbon-, and metal-based nanomaterial building blocks, have opened a new avenue for researchers due to the unprecedented physiochemical properties and enhanced antibacterial activities being observed when compared to their mono-constituent parts. This review covers the latest advances of nanotechnologies used in the design and development of nano- and nanocomposite materials to fight MDR bacteria with different purposes. Our aim is to discuss and summarize these recently established nanomaterials and the respective nanocomposites, their current application, and challenges for use in applications treating MDR bacteria. In addition, we discuss the prospects for antimicrobial nanomaterials and look forward to further develop these materials, emphasizing their potential for clinical translation.
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Affiliation(s)
- Ruohua Ren
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Chiaxin Lim
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
- Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Shiqi Li
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Yajun Wang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jiangning Song
- Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Tsung-Wu Lin
- Department of Chemistry, Tunghai University, No.1727, Sec.4, Taiwan Boulevard, Xitun District, Taichung 40704, Taiwan
| | | | - Hsien-Yi Hsu
- School of Energy and Environment, Department of Materials Science and Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong 518057, China
| | - Hsin-Hui Shen
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
- Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
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16
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Liu J, Zheng Z, Luo J, Wang P, Lu G, Pan J. Engineered Reversible Adhesive Biofoams for Accelerated Dermal Wound Healing: Intriguing Multi-covalent Phenylboronic acid/cis-diol Interaction. Colloids Surf B Biointerfaces 2022; 221:112987. [DOI: 10.1016/j.colsurfb.2022.112987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/19/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
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17
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Pasparakis G. Recent developments in the use of gold and silver nanoparticles in biomedicine. WIRES NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1817. [PMID: 35775611 PMCID: PMC9539467 DOI: 10.1002/wnan.1817] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 12/18/2022]
Abstract
Gold and silver nanoparticles (NPs) are widely used in the biomedical research both in the therapeutic and the sensing/diagnostics fronts. Both metals share some common optical properties with surface plasmon resonance being the most widely exploited property in therapeutics and diagnostics. Au NPs exhibit excellent light‐to‐heat conversion efficiencies and hence have found applications primarily in precision oncology, while Ag NPs have excellent antibacterial properties which can be harnessed in biomaterials' design. Both metals constitute excellent biosensing platforms owing to their plasmonic properties and are now routinely used in various optical platforms. The utilization of Au and Ag NPs in the COVID‐19 pandemic was rapidly expanded mostly in biosensing and point‐of‐care platforms and to some extent in therapeutics. In this review article, the main physicochemical properties of Au and Ag NPs are discussed with selective examples from the recent literature. This article is categorized under:Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Diagnostic Tools > In Vitro Nanoparticle‐Based Sensing Nanotechnology Approaches to Biology > Nanoscale Systems in Biology
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Affiliation(s)
- George Pasparakis
- Department of Chemical Engineering University of Patras Patras Greece
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18
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Han GY, Park JY, Lee TH, Yi MB, Kim HJ. Highly Resilient Dual-Crosslinked Hydrogel Adhesives Based on a Dopamine-Modified Crosslinker. ACS APPLIED MATERIALS & INTERFACES 2022; 14:36304-36314. [PMID: 35917444 DOI: 10.1021/acsami.2c04791] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Hydrogels are promising material for wound dressing and tissue engineering. However, owing to their low tissue adhesion in a moist environment and lack of flexibility, hydrogels are still not widely applied in movable parts, such as joints. Herein, we report a dual-crosslinked hydrogel adhesive using a dopamine-modified and acrylate-terminated crosslinker, tri(ethylene glycol) diacrylate-dopamine crosslinker (TDC). The covalent crosslinking was formed by photopolymerization between acrylic acid (AA) and TDC, and the noncovalent crosslinking was formed by intermolecular dopamine-dopamine and dopamine-AA interactions. Our resultant hydrogel demonstrated strong tissue adhesion in a moist environment (approximately 71 kPa) and high mechanical resilience (approximately 94%) with immediate recovery at a 200% strain rate. Moreover, it accelerated wound healing upon dressing the wound site properly. Our study provides the potential for advanced polymer synthesis by introducing a functional crosslinking agent.
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Affiliation(s)
- Gi-Yeon Han
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Yong Park
- Department of Veterinary Medicine, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Tae-Hyung Lee
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
| | - Mo-Beom Yi
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyun-Joong Kim
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
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19
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Xin X, Qi C, Xu L, Gao Q, Liu X. Green synthesis of silver nanoparticles and their antibacterial effects. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.941240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Antibacterial resistance is by far one of the greatest challenges to global health. Many pharmaceutical or material strategies have been explored to overcome this dilemma. Of these, silver nanoparticles (AgNPs) are known to have a non-specific antibacterial mechanism that renders it difficult to engender silver-resistant bacteria, enabling them to be more powerful antibacterial agents than conventional antibiotics. AgNPs have shown promising antibacterial effects in both Gram-positive and Gram-negative bacteria. The aim of this review is to summarize the green synthesis of AgNPs as antibacterial agents, while other AgNPs-related insights (e.g., antibacterial mechanisms, potential toxicity, and medical applications) are also reviewed.
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20
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Ansari MJ, Rajendran RR, Mohanto S, Agarwal U, Panda K, Dhotre K, Manne R, Deepak A, Zafar A, Yasir M, Pramanik S. Poly( N-isopropylacrylamide)-Based Hydrogels for Biomedical Applications: A Review of the State-of-the-Art. Gels 2022; 8:454. [PMID: 35877539 PMCID: PMC9323937 DOI: 10.3390/gels8070454] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/08/2022] [Accepted: 07/08/2022] [Indexed: 12/21/2022] Open
Abstract
A prominent research topic in contemporary advanced functional materials science is the production of smart materials based on polymers that may independently adjust their physical and/or chemical characteristics when subjected to external stimuli. Smart hydrogels based on poly(N-isopropylacrylamide) (PNIPAM) demonstrate distinct thermoresponsive features close to a lower critical solution temperature (LCST) that enhance their capability in various biomedical applications such as drug delivery, tissue engineering, and wound dressings. Nevertheless, they have intrinsic shortcomings such as poor mechanical properties, limited loading capacity of actives, and poor biodegradability. Formulation of PNIPAM with diverse functional constituents to develop hydrogel composites is an efficient scheme to overcome these defects, which can significantly help for practicable application. This review reports on the latest developments in functional PNIPAM-based smart hydrogels for various biomedical applications. The first section describes the properties of PNIPAM-based hydrogels, followed by potential applications in diverse fields. Ultimately, this review summarizes the challenges and opportunities in this emerging area of research and development concerning this fascinating polymer-based system deep-rooted in chemistry and material science.
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Affiliation(s)
- Mohammad Javed Ansari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Rahul R. Rajendran
- Department of Mechanical Engineering and Mechanics, Lehigh University, 19 Memorial Drive West, Bethlehem, PA 18015, USA;
| | - Sourav Mohanto
- Department of Pharmaceutics, Yenepoya Pharmacy College and Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India;
| | - Unnati Agarwal
- School of Bioengineering and Biosciences, Lovely Professional University, Jalandhar-Delhi, Grand Trunk Road, Phagwara 144001, Punjab, India;
| | - Kingshuk Panda
- Department of Applied Microbiology, Vellore Institute of Technology, School of Bioscience and Technology, Vellore 632014, Tamilnadu, India;
| | - Kishore Dhotre
- I.C.M.R.—National Institute of Virology, Pune 411021, Maharashtra, India;
| | - Ravi Manne
- Chemtex Environmental Lab, Quality Control and Assurance Department, 3082 25th Street, Port Arthur, TX 77642, USA;
| | - A. Deepak
- Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 600124, Tamil Nadu, India;
| | - Ameeduzzafar Zafar
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia; or
| | - Mohd Yasir
- Department of Pharmacy, College of Health Science, Arsi University, Asella 396, Ethiopia;
| | - Sheersha Pramanik
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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21
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Zhao Y, Liu X, Peng X, Zheng Y, Cheng Z, Sun S, Ding Q, Liu W, Ding C. A poloxamer/hyaluronic acid/chitosan-based thermosensitive hydrogel that releases dihydromyricetin to promote wound healing. Int J Biol Macromol 2022; 216:475-486. [PMID: 35810849 DOI: 10.1016/j.ijbiomac.2022.06.210] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/03/2022] [Accepted: 06/30/2022] [Indexed: 12/13/2022]
Abstract
Wounds caused by accidents and surgery are inevitable, and inflammation and microbial infection during the healing process are serious clinical challenges, resulting in slow wound healing. In this study, we created a 37 °C-sensitive hydrogel using poloxamer, chitosan and hyaluronic acid, loaded with the active substance dihydromyricetin, and further evaluated its potential for wound healing. The hydrogels were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction and thermogravimetric analysis for their micromorphological structure, characteristic functional groups, crystal structure and thermal stability, and in vitro drug release assays showed that the hydrogel could slowly release dihydromyricetin. In addition, the hydrogels were found to exhibit good biocompatibility and significant in vitro antioxidant and anti-inflammatory activity according to hemolysis, in vitro antioxidant and anti-inflammatory tests. Methyl thiazolyl tetrazole cytotoxicity tests verified that the film was non-toxic to human keratinocyte (HaCaT) cells, while in vivo experiments showed that this hydrogel could promote skin repair by promoting skin-associated growth factor expression and inhibiting nuclear factor kappa B-mediated cellular inflammatory factors. These results demonstrated that the temperature-sensitive hydrogels loaded with dihydromyricetin could serve as potential candidates for guided skin repair.
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Affiliation(s)
- Yingchun Zhao
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Xinglong Liu
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Xiaojuan Peng
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Yinan Zheng
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Zhiqiang Cheng
- College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China
| | - Shuwen Sun
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Qiteng Ding
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Wencong Liu
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China.
| | - Chuanbo Ding
- School of Chinese Medicine, Jilin Agricultural Science and Technology University, Jilin 132101, China.
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22
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Chen J, Wang H, Liu X, Han X, Liu H. Multiple strategies to control the hydrophilic-hydrophobic balance of P(DMA- co-DMAEMA- co-QDMAEMA) coatings. SOFT MATTER 2022; 18:4913-4922. [PMID: 35726664 DOI: 10.1039/d2sm00521b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The regulation of the hydrophilic-hydrophobic balance of polymers has an important influence not only on their aggregation behavior in aqueous solution, but also on their adhesion properties on the surface of substrates and the applications of the modified surfaces. Based on this, a random copolymer poly(dopamine methacrylamide-co-2-(dimethylamino)ethyl methacrylate) (P(DMA-co-DMAEMA)) was synthesized as a starting polymer to generate P(DMA-co-DMAEMA-co-QDMAEMA) (PDDQ) derivatives by a programmable quaternization of the DMAEMA precursor. By adjusting the pH or temperature, both the aggregation behavior in aqueous solutions and the surface adhesive behavior on the substrate surfaces of PDDQ copolymers were regulated due to the hydrophilic-hydrophobic balance. Specifically, the surface adsorption of PDDQ copolymers on surfaces was enhanced by the increased hydrophobicity of PDDQ. Stainless steel meshes (SSM) modified with the PDDQ0 copolymer without quaternization showed a superoleophobicity in acidic aqueous media, which endowed it with improved oil-water separation performance. In addition, the hydrophilic-hydrophobic balance of PDDQs and their coatings could also be tuned by changing the ratio of DMAEMA to QDMAEMA in the copolymer. From PDDQ0 to PDDQ100, by increasing the hydrophilic QDMAEMA component of PDDQ copolymers, anti-protein properties and oil/water separation efficiency of the modified surfaces were also enhanced gradually. The results provided a reference for designing P(DMA-co-DMAEMA-co-QDMAEMA) coatings in different application environments.
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Affiliation(s)
- Jiao Chen
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Hanhan Wang
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Xing Liu
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Xia Han
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Honglai Liu
- Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
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23
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High-Strength, Conductive, Antifouling, and Antibacterial Hydrogels for Wearable Strain Sensors. ACS Biomater Sci Eng 2022; 8:2624-2635. [PMID: 35512312 DOI: 10.1021/acsbiomaterials.1c01630] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Conductive hydrogels have shown great potential in the field of flexible strain sensors. However, their application is greatly limited due to the poor antifouling and low mechanical strength. Unfortunately, it is still a challenge to improve these two distinct properties simultaneously. Herein, a hydrogel with high strength, good conductivity, and excellent antifouling and antibacterial properties was prepared through the synergistic effect of physical and chemical cross-linking. First, acrylic acid (AA), acrylamide (AM), and 2-methacryloyloxyethyl phosphorylcholine (MPC) monomers were polymerized in the presence of chitosan chains to form the hydrogel. Then, the prepared hydrogel was immersed in a ferric ion solution to further strengthen the hydrogel through ion coordination. The obtained CS-P(AM-MPC-AA0.2)-Fe0.13+ hydrogel showed outstanding tensile strength (1.03 MPa), excellent stretchability (1075%), good toughness (7.03 MJ/m3), and fatigue resistance. The CS-P(AM-MPC-AA0.2)-Fe0.13+ hydrogel also demonstrated good ion conductivity (0.42 S/m) and excellent antifouling and antibacterial properties. In addition, the strain sensor constructed by the CS-P(AM-MPC-AA0.2)-Fe0.13+ hydrogel showed high sensitivity and good stability. This work presented a facile method to construct a zwitterionic hydrogel with high-strength, conductive, antifouling, and antibacterial properties, which suggested a promising gel platform for flexible wearable sensors.
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24
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Ashammakhi N, GhavamiNejad A, Tutar R, Fricker A, Roy I, Chatzistavrou X, Hoque Apu E, Nguyen KL, Ahsan T, Pountos I, Caterson EJ. Highlights on Advancing Frontiers in Tissue Engineering. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:633-664. [PMID: 34210148 PMCID: PMC9242713 DOI: 10.1089/ten.teb.2021.0012] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 07/15/2021] [Indexed: 01/05/2023]
Abstract
The field of tissue engineering continues to advance, sometimes in exponential leaps forward, but also sometimes at a rate that does not fulfill the promise that the field imagined a few decades ago. This review is in part a catalog of success in an effort to inform the process of innovation. Tissue engineering has recruited new technologies and developed new methods for engineering tissue constructs that can be used to mitigate or model disease states for study. Key to this antecedent statement is that the scientific effort must be anchored in the needs of a disease state and be working toward a functional product in regenerative medicine. It is this focus on the wildly important ideas coupled with partnered research efforts within both academia and industry that have shown most translational potential. The field continues to thrive and among the most important recent developments are the use of three-dimensional bioprinting, organ-on-a-chip, and induced pluripotent stem cell technologies that warrant special attention. Developments in the aforementioned areas as well as future directions are highlighted in this article. Although several early efforts have not come to fruition, there are good examples of commercial profitability that merit continued investment in tissue engineering. Impact statement Tissue engineering led to the development of new methods for regenerative medicine and disease models. Among the most important recent developments in tissue engineering are the use of three-dimensional bioprinting, organ-on-a-chip, and induced pluripotent stem cell technologies. These technologies and an understanding of them will have impact on the success of tissue engineering and its translation to regenerative medicine. Continued investment in tissue engineering will yield products and therapeutics, with both commercial importance and simultaneous disease mitigation.
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Affiliation(s)
- Nureddin Ashammakhi
- Department of Bioengineering, Henry Samueli School of Engineering, University of California, Los Angeles, California, USA
- Department of Biomedical Engineering, College of Engineering, Michigan State University, Michigan, USA
| | - Amin GhavamiNejad
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Rumeysa Tutar
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Annabelle Fricker
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, Michigan, USA
| | - Ehsanul Hoque Apu
- Department of Bioengineering, Henry Samueli School of Engineering, University of California, Los Angeles, California, USA
| | - Kim-Lien Nguyen
- Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, California, USA
- Division of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, and VA Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | - Taby Ahsan
- RoosterBio, Inc., Frederick, Maryland, USA
| | - Ippokratis Pountos
- Academic Department of Trauma and Orthopaedics, University of Leeds, Leeds, United Kingdom
| | - Edward J. Caterson
- Division of Plastic Surgery, Department of Surgery, Nemours/Alfred I. du Pont Hospital for Children, Wilmington, Delaware, USA
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25
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Zhou Y, Wang W. Polydopamine Nanospheres-grafted-PDMAEMA Brushes/Au Composites as a Thermally Adjustable Catalyst for the Reduction of 4-nitrophenol. CHEM LETT 2022. [DOI: 10.1246/cl.220220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yumeng Zhou
- School of Materials Science and Chemical Engineering, Ningbo University, No.818, Fenghua Road, Ningbo 315211, China
| | - Wenqin Wang
- School of Materials Science and Chemical Engineering, Ningbo University, No.818, Fenghua Road, Ningbo 315211, China
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26
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Lu B, GhavamiNejad A, Liu JF, Li J, Mirzaie S, Giacca A, Wu XY. "Smart" Composite Microneedle Patch Stabilizes Glucagon and Prevents Nocturnal Hypoglycemia: Experimental Studies and Molecular Dynamics Simulation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:20576-20590. [PMID: 35471922 DOI: 10.1021/acsami.1c24955] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Hypoglycemia is a major complication associated with insulin therapy in people with diabetes that could cause life-threatening conditions if untreated. Glucagon, a counter-acting hormone, is thus administered for rescue of severe hypoglycemia. However, due to the instability of glucagon, only limited medications are available for emergency use, which are unsuitable for patients with hypoglycemia unawareness or with the inability to self-administer, especially during sleep (namely, nocturnal hypoglycemia). To prevent unattended and extended hypoglycemia, we designed a "smart" composite microneedle (cMN) patch capable of stabilizing glucagon, sensing hypoglycemia, and delivering glucagon automatically on demand. In this design, native glucagon was encapsulated in glucose-responsive microgels containing a glucagon-stabilizing component rationally selected by molecular dynamics (MD) simulation. A cMN patch was then prepared by incorporating the glucagon microgels with poly(methyl vinyl ether-alt-maleic anhydride) (PMVE-MAH) and poly(ethylene glycol) (PEG) followed by thermal cross-linking. The rationally designed zwitterionic polymer-based microgels preserved the native structure of glucagon and prevented heat-induced fibrillation evidenced by RP-HPLC, circular dichroism, and transmission electron microscopy. MD simulations suggested that the polymeric microgels stabilized glucagon by inhibition of oligomer formation via peptide-polymer noncovalent interactions. The polymer formed multiple hydrogen bonds with the polar and charged amino acid residues of the glucagon molecule, shielding the peptide surface from aggregation. In vivo efficacy studies using streptozotocin-induced type 1 diabetic (T1D) rats demonstrated that the glucagon-loaded cMN patch could prevent hypoglycemia induced by insulin overdose during a 12 h period. The results suggest that this new glucagon "smart" patch may be a promising system for improving the quality of life of those suffering from nocturnal hypoglycemia and hypoglycemia unawareness.
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Affiliation(s)
- Brian Lu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Amin GhavamiNejad
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Jackie Fule Liu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Jason Li
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Sako Mirzaie
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Adria Giacca
- Departments of Physiology and Medicine, Institute and Medical Science and Banting and Best Diabetes Centre, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Xiao Yu Wu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
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27
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One-Step Preparation of Adhesive Composite Hydrogels through Fast and Simultaneous In Situ Formation of Silver Nanoparticles and Crosslinking. Gels 2022; 8:gels8050256. [PMID: 35621554 PMCID: PMC9141602 DOI: 10.3390/gels8050256] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 12/14/2022] Open
Abstract
In this study, a series of gelatin/silver nanoparticles (AgNPs) composite hydrogels are prepared for the first time through the facile in situ formation of AgNPs. AgNPs, which are formed by reducing Ag+ using dopamine-conjugated gelatins. These can simultaneously crosslink gelatin molecules, thus generating three-dimentional and porous hydrogels. The gelation time and pore sizes of these composite hydrogels can be controlled by controlling the feeding concentration of AgNO3 and weight content of gelatin in water, respectively. The feeding concentration of AgNO3 also has an effect on the equilibrium swelling ratio of the hydrogels. Moreover, these composite hydrogels, with a controllable gelation time and in situ forming ability, exhibit good adhesive properties and can be used as drug-release depots.
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28
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Bio-Hybrid Hydrogels Incorporated into a System of Salicylic Acid-pH/Thermosensitive Nanocarriers Intended for Cutaneous Wound-Healing Processes. Pharmaceutics 2022; 14:pharmaceutics14040773. [PMID: 35456607 PMCID: PMC9031596 DOI: 10.3390/pharmaceutics14040773] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/26/2022] [Accepted: 03/30/2022] [Indexed: 02/01/2023] Open
Abstract
In this paper, the preparation method of bio-hybrid hydrogels incorporated into a system of salicylic acid-pH/thermosensitive nanocarriers to speed up the wound-healing process was developed. This combination creates a dual drug delivery system, which releases the model hydrophobic active substance—salicylic acid—in a gradual and controlled manner for an extended time. Our research team has determined the various properties of bio-hybrid hydrogels based on their physicochemical (swelling degree, and degradation), structural (FT-IR), morphological (SEM), and mechanical (elongation tests) traits. Moreover, empty pH/thermosensitive nanocarriers and their salicylic acid-containing systems were characterized using the following methods: DLS, TG/DTG, and DSC. Additionally, salicylic acid release profiles directly from thermosensitive nanocarriers were compared to the bio-hybrid matrix. These studies were conducted in PBS (pH = 7.4) for 7 days using the USP4 method. To evaluate the antibacterial properties of the obtained materials, the inhibition of growth of Staphylococcus aureus, Escherichia coli, Candida albicans, and Aspergillus niger—as the main microorganisms responsible for human infections—were tested. The obtained results indicated that the pH/thermosensitive nanocarrier–salicylic acid system and bio-hybrid hydrogels are characterized by antibacterial activity against both S. aureus and E. coli.
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29
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Inherent and Composite Hydrogels as Promising Materials to Limit Antimicrobial Resistance. Gels 2022; 8:gels8020070. [PMID: 35200452 PMCID: PMC8870943 DOI: 10.3390/gels8020070] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 12/22/2021] [Accepted: 01/11/2022] [Indexed: 01/25/2023] Open
Abstract
Antibiotic resistance has increased significantly in the recent years, and has become a global problem for human health and the environment. As a result, several technologies for the controlling of health-care associated infections have been developed over the years. Thus, the most recent findings in hydrogel fabrication, particularly antimicrobial hydrogels, could offer valuable solutions for these biomedical challenges. In this review, we discuss the most promising strategies in the development of antimicrobial hydrogels and the application of hydrogels in the treatment of microbial infections. The latest advances in the development of inherently and composite antimicrobial hydrogels will be discussed, as well as hydrogels as carriers of antimicrobials, with a focus on antibiotics, metal nanoparticles, antimicrobial peptides, and biological extracts. The emergence of CRISR-Cas9 technology for removing the antimicrobial resistance has led the necessity of new and performant carriers for delivery of the CRISPR-Cas9 system. Different delivery systems, such as composite hydrogels and many types of nanoparticles, attracted a great deal of attention and will be also discussed in this review.
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30
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Asgari P, Zolfaghari M, Bit-Lian Y, Abdi AH, Mohammadi Y, Bahramnezhad F. Comparison of Hydrocolloid Dressings and Silver Nanoparticles in Treatment of Pressure Ulcers in Patients with Spinal Cord Injuries: A Randomized Clinical Trial. J Caring Sci 2022; 11:1-6. [PMID: 35603087 PMCID: PMC9012899 DOI: 10.34172/jcs.2022.08] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 09/20/2021] [Indexed: 11/09/2022] Open
Abstract
Introduction: There are numerous dressings used to treat pressure ulcers (PUs), depending on their advantages to achieve optimum patient outcomes. This study aimed to compare hydrocolloid dressings and silver nanoparticles in treating PUs among patients with spinal cord injury (SCI). Methods: This randomized clinical trial was conducted on 70 patients with SCI in Iran. Participants were randomly divided into two equal groups (n=35) receiving silver nanoparticle dressing and hydrocolloid dressing, respectively. The groups were evaluated in four assessment periods using the Bates-Jensen Wound Assessment Tool (BWAT). Data analysis was performed using SPSS software version 13, repeated measures ANOVA, non-parametric tests, and chi-square. Results: Chi-square test was used to investigate the difference between the scores before the intervention, the results of which were not statistically significant. In repetitive measurements, the results of the analysis of variance showed that the average assessment score in both groups decreased and both dressings were effective in the treatment process. Although PU improvement status in the group that received silver nanoparticles was better, between-group analysis of variance did not show any statistically significant difference between the two groups. Conclusion: Our results indicated that silver nanoparticles and hydrocolloid dressings can be used interchangeably in the treatment of PUs.
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Affiliation(s)
- Parvaneh Asgari
- Department of Critical Care Nursing, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
| | - Mitra Zolfaghari
- Department of E-learning in Medical Education, Nursing and Midwifery Care Research Center, Virtual School, Tehran University of Medical Sciences, Tehran, Iran
| | - Yee Bit-Lian
- Cluster of Applied Sciences, Petaling Jaya Learning Centre, Open University Malaysia, 46350 Petaling Jaya, Malaysia
| | - Amir Hossien Abdi
- Department of Critical Care Nursing, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
| | - Younes Mohammadi
- Department of Epidemiology, School of heath, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Fatemeh Bahramnezhad
- Department of Critical Care Nursing, Nursing and Midwifery Care Research Center, School of Nursing and Midwifery, Tehran
- Spiritual Health Group, Research Center of Quran, Hadith and Medicine, Tehran University of Medical Sciences, Tehran, Iran
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31
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Wang Y, Yuan X, Yao B, Zhu S, Zhu P, Huang S. Tailoring bioinks of extrusion-based bioprinting for cutaneous wound healing. Bioact Mater 2022; 17:178-194. [PMID: 35386443 PMCID: PMC8965032 DOI: 10.1016/j.bioactmat.2022.01.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/15/2022] [Accepted: 01/16/2022] [Indexed: 12/11/2022] Open
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32
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Mahapatra RD, Jo A, Imani KBC, Chung JW, Yoon J. Effective pH-regulated release of covalently conjugated antibiotics from antibacterial hydrogels. Polym Chem 2022. [DOI: 10.1039/d2py00505k] [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
pH-regulated release of antibiotics is achieved by conjugation with the hydrogel matrix through the reversible imine bond.
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Affiliation(s)
- Rita Das Mahapatra
- Graduate Department of Chemical Materials, Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center, Pusan National University, Busan, 46241, Republic of Korea
| | - Ara Jo
- Department of Molecular Biology and Immunology, College of Medicine, Kosin University, Busan, 49267, Republic of Korea
| | - Kusuma Betha Cahaya Imani
- Graduate Department of Chemical Materials, Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center, Pusan National University, Busan, 46241, Republic of Korea
| | - Jin-Woong Chung
- Department of Biomedical Science, Dong-A University, 37 Nakdong-Daero 550 beon-gil, Saha-gu, Busan, 49315, Republic of Korea
| | - Jinhwan Yoon
- Graduate Department of Chemical Materials, Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center, Pusan National University, Busan, 46241, Republic of Korea
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33
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Zwitterionic hydrogel-coated cotton fabrics with underwater superoleophobic, self-healing and anti-fouling performances for oil-water separation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119789] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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34
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Xie H, Xia H, Huang L, Zhong Z, Ye Q, Zhang L, Lu A. Biocompatible, antibacterial and anti-inflammatory zinc ion cross-linked quaternized cellulose‑sodium alginate composite sponges for accelerated wound healing. Int J Biol Macromol 2021; 191:27-39. [PMID: 34534578 DOI: 10.1016/j.ijbiomac.2021.09.047] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 09/04/2021] [Accepted: 09/09/2021] [Indexed: 01/30/2023]
Abstract
Bacterial infection has become one of the most challenges for wound healing, which causes serious inflammatory response and delays the healing process. Herein, a novel sponge with excellent biocompatible, antibacterial and anti-inflammatory properties based on quaternized cellulose (QC), sodium alginate (SA) and Zn2+ was reported. The existence of physical interactions, such as electrostatic interaction, chelation and hydrogen bonding endowed the sponges with enhanced mechanical property. The composite sponges exhibited outstanding biocompatibility and hemostatic efficiency due to the compatible nature of the component and physical cross-linking, as well as superior antibacterial property benefited from the synergistic effects of steady Zn2+ release and quaternary ammonium group. In vivo investigation validated that the enhanced antibacterial and anti-inflammatory effect of the sponges, which significantly promoted wound closure and the reconstruction of skin tissue through epithelial regeneration, collagen deposition and mitigating inflammatory cell infiltration. Overall, the novel sponge demonstrated great potentials in bacteria-associated wound management.
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Affiliation(s)
- Hongxia Xie
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan 430072, China
| | - Haoyang Xia
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan 430071, PR China
| | - Lin Huang
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan 430072, China
| | - Zibiao Zhong
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan 430071, PR China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan 430071, PR China.
| | - Lina Zhang
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan 430072, China.
| | - Ang Lu
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan 430072, China.
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35
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Liu R, Wu Q, Huang X, Zhao X, Chen X, Chen Y, Weitz DA, Song Y. Synthesis of nanomedicine hydrogel microcapsules by droplet microfluidic process and their pH and temperature dependent release. RSC Adv 2021; 11:37814-37823. [PMID: 35498106 PMCID: PMC9043787 DOI: 10.1039/d1ra05207a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 11/04/2021] [Indexed: 12/18/2022] Open
Abstract
Chitosan and alginate hydrogels are attractive because they are highly biocompatible and suitable for developing nanomedicine microcapsules. Here we fabricated a polydimethylsiloxane-based droplet microfluidic reactor to synthesize nanomedicine hydrogel microcapsules using Au@CoFeB-Rg3 as a nanomedicine model and a mixture of sodium alginate and PEG-g-chitosan crosslinked by genipin as a hydrogel model. The release kinetics of nanomedicines from the hydrogel were evaluated by simulating the pH and temperature of the digestive tract during drug transport and those of the target pathological cell microenvironment. Their pH and temperature-dependent release kinetics were studied by measuring the mass loss of small pieces of thin films formed by the nanomedicine-encapsulating hydrogels in buffers of pH 1.2, 7.4, and 5.5, which replicate the pH of the stomach, gut and blood, and cancer microenvironment, respectively, at 20 °C and 37 °C, corresponding to the storage temperature of hydrogels before use and normal body temperature. Interestingly, nanomedicine-encapsulating hydrogels can undergo rapid decomposition at pH 5.5 and are relatively stable at pH 7.4 at 37 °C, which are desirable qualities for drug delivery, controlled release, and residue elimination after achieving target effects. These results indicate that the designed nanomedicine hydrogel microcapsule system is suitable for oral administration.
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Affiliation(s)
- Ran Liu
- Center for Modern Physics Technology, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
- Zhejiang Key Laboratory for Pulsed Power Translational Medicine Hangzhou 310000 China
| | - Qiong Wu
- Center for Modern Physics Technology, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
- Zhejiang Key Laboratory for Pulsed Power Translational Medicine Hangzhou 310000 China
| | - Xing Huang
- Physics Department, School of Engineering and Applied Science, Harvard University Cambridge MA 02138 USA
| | - Xiaoxiong Zhao
- Center for Modern Physics Technology, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
- Zhejiang Key Laboratory for Pulsed Power Translational Medicine Hangzhou 310000 China
| | - Xinhua Chen
- Zhejiang Key Laboratory for Pulsed Power Translational Medicine Hangzhou 310000 China
| | - Yonggang Chen
- Zhejiang Key Laboratory for Pulsed Power Translational Medicine Hangzhou 310000 China
| | - David A Weitz
- Physics Department, School of Engineering and Applied Science, Harvard University Cambridge MA 02138 USA
| | - Yujun Song
- Center for Modern Physics Technology, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
- Zhejiang Key Laboratory for Pulsed Power Translational Medicine Hangzhou 310000 China
- Physics Department, School of Engineering and Applied Science, Harvard University Cambridge MA 02138 USA
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36
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Kim J, Lee K, Nam YS. Metal-polyphenol Complexes as Versatile Building Blocks for Functional Biomaterials. BIOTECHNOL BIOPROC E 2021. [DOI: 10.1007/s12257-021-0022-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Chen T, Liu Z, Zhang K, Su B, Hu Z, Wan H, Chen Y, Fu X, Gao Z. Mussel-Inspired Ag NPs Immobilized on Melamine Sponge for Reduction of 4-Nitrophenol, Antibacterial Applications and Its Superhydrophobic Derivative for Oil-Water Separation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:50539-50551. [PMID: 34637256 DOI: 10.1021/acsami.1c14544] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A functional material integrated with a variety of functions is highly desired in wastewater treatment. In this research, a mussel-inspired method of immobilizing silver nanoparticles on the skeleton of a melamine sponge is proposed and applied for water remediation. Ag NPs were reduced in situ and grown on a polydopamine-modified melamine sponge. The catalytic reduction of 4-nitrophenol (4-NP) in the presence of the obtained MS-PDA-Ag was evaluated, and the results demonstrated that the MS-PDA-Ag presented high catalytic reduction activity. In addition, the monolithic MS-PDA-Ag presents excellent reusability with no remarkable decrease in catalytic efficiency after multiple reuses. Owing to the immobilized Ag NPs, the MS-PDA-Ag can also effectively inhibit the growth of bacteria against both gram-positive and gram-negative species, making it possible for bacteria elimination in polluted water. To further explore the possibility of utilizing the MS-PDA-Ag for versatile applications, a superhydrophobic derivative (S-MS-PDA-Ag) was prepared by coating a low-surface-energy substance (octadecanethiol) on the surface of MS-PDA-Ag. The obtained S-MS-PDA-Ag presents the capacities of oil/organics adsorption and water repellence, which can separate the insoluble oil/organics from water. The melamine sponge immobilized with Ag NPs demonstrates prominent catalytic reduction of 4-NP, antibacterial activity and the superhydrophobic derivative presents the capacity of insoluble oil/organics separation from oil-water mixtures, exhibiting high potential in the remediation of polluted water.
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Affiliation(s)
- Teng Chen
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Zhiyu Liu
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Kai Zhang
- School of Food and Biological Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Bolin Su
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Zhenhua Hu
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Hongri Wan
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Yan Chen
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Xinkai Fu
- School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
| | - Zhaojian Gao
- School of Food and Biological Engineering, Xuzhou University of Technology, Xuzhou, 221018, People's Republic of China
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Nqakala ZB, Sibuyi NRS, Fadaka AO, Meyer M, Onani MO, Madiehe AM. Advances in Nanotechnology towards Development of Silver Nanoparticle-Based Wound-Healing Agents. Int J Mol Sci 2021; 22:ijms222011272. [PMID: 34681930 PMCID: PMC8539597 DOI: 10.3390/ijms222011272] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/08/2021] [Accepted: 10/14/2021] [Indexed: 12/12/2022] Open
Abstract
Since antiquity, silver-based therapies have been used in wound healing, wound care and management of infections to provide adequate healing. These therapies are associated with certain limitations, such as toxicity, skin discolouration and bacterial resistance, which have limited their use. As a result, new and innovative wound therapies, or strategies to improve the existing therapies, are sought after. Silver nanoparticles (AgNPs) have shown the potential to circumvent the limitations associated with conventional silver-based therapies as described above. AgNPs are effective against a broad spectrum of microorganisms and are less toxic, effective at lower concentrations and produce no skin discolouration. Furthermore, AgNPs can be decorated or coupled with other healing-promoting materials to provide optimum healing. This review details the history and impact of silver-based therapies leading up to AgNPs and AgNP-based nanoformulations in wound healing. It also highlights the properties of AgNPs that aid in wound healing and that make them superior to conventional silver-based wound treatment therapies.
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Affiliation(s)
- Zimkhitha B. Nqakala
- Organometallics and Nanomaterials, Department of Chemical Sciences, University of the Western Cape, Bellville 7535, South Africa;
| | - Nicole R. S. Sibuyi
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC)-Biolabels Node, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (N.R.S.S.); (A.O.F.)
| | - Adewale O. Fadaka
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC)-Biolabels Node, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (N.R.S.S.); (A.O.F.)
| | - Mervin Meyer
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC)-Biolabels Node, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (N.R.S.S.); (A.O.F.)
- Correspondence: (M.M.); (M.O.O.); (A.M.M.); Tel.: +27-219592032 (M.M.); +27-219593050 (M.O.O.); +27-219592468 (A.M.M.)
| | - Martin O. Onani
- Organometallics and Nanomaterials, Department of Chemical Sciences, University of the Western Cape, Bellville 7535, South Africa;
- Correspondence: (M.M.); (M.O.O.); (A.M.M.); Tel.: +27-219592032 (M.M.); +27-219593050 (M.O.O.); +27-219592468 (A.M.M.)
| | - Abram M. Madiehe
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC)-Biolabels Node, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (N.R.S.S.); (A.O.F.)
- Correspondence: (M.M.); (M.O.O.); (A.M.M.); Tel.: +27-219592032 (M.M.); +27-219593050 (M.O.O.); +27-219592468 (A.M.M.)
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Sun Z, Li Y, Zheng SY, Mao S, He X, Wang X, Yang J. Zwitterionic Nanocapsules with Salt- and Thermo-Responsiveness for Controlled Encapsulation and Release. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47090-47099. [PMID: 34559520 DOI: 10.1021/acsami.1c15071] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Intelligent polymer nanocapsules that can not only encapsulate substances efficiently but also release them in a controllable manner hold great potential in many applications. To date, although intensive efforts have been made to develop intelligent polymer nanocapsules, how to construct the well-defined core/shell structure with high stability via a straightforward method remains a considerable challenge. In this work, the target novel zwitterionic nanocapsules (ZNCs) with a stable hollow structure were synthesized by inverse reversible addition fragmentation transfer (RAFT) miniemulsion interfacial polymerization. The shell gradually grew from the water/oil interface due to the interfacial polymerization, accompanied by the cross-linking of the polyzwitterionic networks, where the core/shell structure could be well-tuned by adjusting the precursor compositions. The resultant ZNCs exhibited a salt-/thermo-induced swelling behavior through the phase transition of the external zwitterionic polymers. To further investigate the functions of ZNCs, different substances, such as methyl orange and bovine serum albumin (BSA), were encapsulated into the ZNCs with a high encapsulation efficiency of 89.3 and 93.6%, respectively. Interestingly, the loaded substances can be controllably released in aqueous solution triggered by salt or temperature variations, and such responsiveness also can be utilized to bounce off the bacteria adhered on target surfaces. We believe that these designed salt- and thermo-responsive intelligent polymer nanocapsules with well-defined core/shell structures and antifouling surfaces should be a promising platform for biomedical and saline related applications.
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Affiliation(s)
- Zhijuan Sun
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yuting Li
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Si Yu Zheng
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Shihua Mao
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Xiaomin He
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Xiaoyu Wang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jintao Yang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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Wu Y, Lu Y, Wu C, Chen J, Ning N, Yang Z, Guo Y, Zhang J, Hu X, Wang Y. Conductive dual hydrogen bonding hydrogels for the electrical stimulation of infected chronic wounds. J Mater Chem B 2021; 9:8138-8146. [PMID: 34495024 DOI: 10.1039/d1tb01432c] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Electrical stimulation (ES) via rigid electrodes near the wound is one of the promising approaches for chronic wound treatment, but it is unable to stimulate the whole wound area and treat infected wounds. In this study, a tough conductive hydrogel was prepared by the copolymerization of N-acryloyl glycinamide (NAGA) with quaternized chitosan-g-polyaniline (QCSP). The hydrogel showed a similar conductivity to the human skin and robust mechanical properties due to the dual hydrogen bonding motifs. The grafted polyaniline segments and functionalized quaternary ammonium groups showed intense antimicrobial activity against Pseudomonas aeruginosa and Staphylococcus aureus biofilms. The in vivo assay in diabetic rats proves that the ES via the conductive hydrogel was more effective in promoting the healing of infected wounds than the conventional ES via rigid electrodes. Due to the excellent flexibility and antibacterial properties, this conductive hydrogel shows great promise for infected chronic wound treatment.
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Affiliation(s)
- Ye Wu
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yuhui Lu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wang Jiang Road, Chengdu, Sichuan, 610065, China.
| | - Can Wu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wang Jiang Road, Chengdu, Sichuan, 610065, China.
| | - Jiali Chen
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Ning Ning
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Zeyu Yang
- Rotex Co., Ltd, D6-1104, Tianfu Software Park, High-Tech Zone, Chengdu, Sichuan, 610064, China
| | - Yi Guo
- Rotex Co., Ltd, D6-1104, Tianfu Software Park, High-Tech Zone, Chengdu, Sichuan, 610064, China
| | - Jieyu Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wang Jiang Road, Chengdu, Sichuan, 610065, China.
| | - Xuefeng Hu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wang Jiang Road, Chengdu, Sichuan, 610065, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wang Jiang Road, Chengdu, Sichuan, 610065, China.
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Zhang S, Acharya DP, Tang X, Zheng H, Yang G, Ng D, Xie Z. Dual Functions of a Au@AgNP-Incorporated Nanocomposite Desalination Membrane with an Enhanced Antifouling Property and Fouling Detection Via Surface-Enhanced Raman Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46202-46212. [PMID: 34528779 PMCID: PMC8485324 DOI: 10.1021/acsami.1c15948] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Indexed: 06/01/2023]
Abstract
Membrane fouling has remained a major challenge limiting the wide application of membrane technology because it reduces the efficiency and shortens the lifespan of the membrane, thus increasing the operation cost. Herein we report a novel dual-function nanocomposite membrane incorporating silver-coated gold nanoparticles (Au@AgNPs) into a sulfosuccinic acid (SSA) cross-linked poly(vinyl alcohol) (PVA) membrane for a pervaporation desalination. Compared with the control PVA membrane and PVA/SSA membrane, the Au@AgNPs/PVA/SSA membrane demonstrated a higher water flux and better salt rejection as well as an enhanced antifouling property. More importantly, Au@AgNPs provided an additional function enabling a foulant detection on the membrane surface via surface-enhanced Raman spectroscopy (SERS) as Au@AgNPs could amplify the Raman signals as an SERS substrate. Distinct SERS spectra given by a fouled membrane helped to distinguish different protein foulants from their characteristic fingerprint peaks. Their fouling tendency on the membrane was also revealed by comparing the SERS intensities of mixed foulants on the membrane surface. The Au@AgNPs/PVA/SSA nanocomposite membrane presented here demonstrated the possibility of a multifunction membrane to achieve both antifouling and fouling detection, which could potentially be used in water treatment.
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Affiliation(s)
- Shixin Zhang
- Key
laboratory of the three Gorges Reservoir Region’s Eco-Environment,
State Ministry of Education, Chongqing University, Chongqing 400045, P. R. China
- CSIRO
Manufacturing, Private Bag 10, Clayton South, Melbourne 3169, Victoria, Australia
| | - Durga P. Acharya
- CSIRO
Manufacturing, Private Bag 10, Clayton South, Melbourne 3169, Victoria, Australia
| | - Xiaomin Tang
- CSIRO
Manufacturing, Private Bag 10, Clayton South, Melbourne 3169, Victoria, Australia
- Chongqing
Key Laboratory of Catalysis & New Environmental Materials, College
of Environment and Resources, Chongqing
Technology and Business University, Chongqing 400067, P. R.
China
| | - Huaili Zheng
- Key
laboratory of the three Gorges Reservoir Region’s Eco-Environment,
State Ministry of Education, Chongqing University, Chongqing 400045, P. R. China
| | - Guang Yang
- CSIRO
Manufacturing, Private Bag 10, Clayton South, Melbourne 3169, Victoria, Australia
| | - Derrick Ng
- CSIRO
Manufacturing, Private Bag 10, Clayton South, Melbourne 3169, Victoria, Australia
| | - Zongli Xie
- CSIRO
Manufacturing, Private Bag 10, Clayton South, Melbourne 3169, Victoria, Australia
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42
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Abstract
Hydrogels, due to their excellent biochemical and mechnical property, have shown attractive advantages in the field of wound dressings. However, a comprehensive review of the functional hydrogel as a wound dressing is still lacking. This work first summarizes the skin wound healing process and relates evaluation parameters and then reviews the advanced functions of hydrogel dressings such as antimicrobial property, adhesion and hemostasis, anti-inflammatory and anti-oxidation, substance delivery, self-healing, stimulus response, conductivity, and the recently emerged wound monitoring feature, and the strategies adopted to achieve these functions are all classified and discussed. Furthermore, applications of hydrogel wound dressing for the treatment of different types of wounds such as incisional wound and the excisional wound are summarized. Chronic wounds are also mentioned, and the focus of attention on infected wounds, burn wounds, and diabetic wounds is discussed. Finally, the future directions of hydrogel wound dressings for wound healing are further proposed.
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Affiliation(s)
- Yongping Liang
- Frontier Institute of Science and Technology and State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jiahui He
- Frontier Institute of Science and Technology and State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Baolin Guo
- Frontier Institute of Science and Technology and State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an 710049, China
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44
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Martínez-Higuera A, Rodríguez-Beas C, Villalobos-Noriega JMA, Arizmendi-Grijalva A, Ochoa-Sánchez C, Larios-Rodríguez E, Martínez-Soto JM, Rodríguez-León E, Ibarra-Zazueta C, Mora-Monroy R, Borbón-Nuñez HA, García-Galaz A, Candia-Plata MDC, López-Soto LF, Iñiguez-Palomares R. Hydrogel with silver nanoparticles synthesized by Mimosa tenuiflora for second-degree burns treatment. Sci Rep 2021; 11:11312. [PMID: 34050228 PMCID: PMC8163746 DOI: 10.1038/s41598-021-90763-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 05/07/2021] [Indexed: 02/04/2023] Open
Abstract
In this work we use Mimosa tenuiflora (MtE) extracts as reducing agents to synthesize silver nanoparticles (AgMt NPs) which were characterized by DPPH and Total Polyphenols Assays, UV-visible, X-ray diffractometer (XRD), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS) and Thermogravimetric analysis (TGA). AgMt NPs possess average sizes of 21 nm and fcc crystalline structure, it was also confirmed that the MtE is present in the AgMt NPs even after the cleaning protocol applied. Subsequently, carbopol hydrogels were made and the MtE and the synthesized AgMt NPs were dispersed in different gels (MtE-G and AgMt NPs-G, respectively) at 100 µg/g concentration. The gels were characterized by UV-Vis, IR, and rheology. Antimicrobial tests were performed using Staphylococcus aureus and Escherichia coli. Burn wound healing was evaluated in a second-degree burn injury on a Wistar rats model for 14 days and additional skin biopsies were examined with histopathological analysis. Gel with commercial silver nanoparticles (Ag NPs) was prepared and employed as a control on the biological assays. Hydrogel system containing silver nanoparticles synthesized with Mimosa tenuiflora (AgMt NPs-G) is a promising therapeutic strategy for burn wound healing, this due to bactericidal and anti-inflammatory effects, which promotes a more effective recovery (in percentage terms) by damaged area.
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Affiliation(s)
- Aaron Martínez-Higuera
- Department of Physics, Nanotechnology Graduate Program, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - César Rodríguez-Beas
- Department of Physics, Nanotechnology Graduate Program, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | | | - Abraham Arizmendi-Grijalva
- Department of Physics, Nanotechnology Graduate Program, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Carlos Ochoa-Sánchez
- Department of Physics, Nanotechnology Graduate Program, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Eduardo Larios-Rodríguez
- Department of Chemical and Metallurgical Engineering, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Juan Manuel Martínez-Soto
- Department of Medicine and Health Science, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Ericka Rodríguez-León
- Department of Physics, Nanotechnology Graduate Program, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Cristina Ibarra-Zazueta
- Department of Agriculture and Livestock, University of Sonora, Road to Kino Bay km 20.5, Hermosillo, Sonora, Mexico
| | - Roberto Mora-Monroy
- Department of Physic Researching, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Hugo Alejandro Borbón-Nuñez
- CONACYT-Centro de Nanociencias Y Nanotecnología, UNAM, Km 107 Carretera Tijuana-Ensenada s/n, 22800, Ensenada, B.C. C.P, Mexico
| | - Alfonso García-Galaz
- Food Science Coordination, Research Center in Food & Development (CIAD), Road Gustavo Enrique Astiazarán Rosas, No. 46, Col. La Victoria, 83304, Hermosillo, Sonora, Mexico
| | - María Del Carmen Candia-Plata
- Department of Medicine and Health Science, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Luis Fernando López-Soto
- Department of Medicine and Health Science, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico
| | - Ramón Iñiguez-Palomares
- Department of Physics, Nanotechnology Graduate Program, University of Sonora, Rosales and Transversal, 83000, Hermosillo, Sonora, Mexico.
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Saha P, Ganguly R, Li X, Das R, Singha NK, Pich A. Zwitterionic Nanogels and Microgels: An Overview on Their Synthesis and Applications. Macromol Rapid Commun 2021; 42:e2100112. [PMID: 34021658 DOI: 10.1002/marc.202100112] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/24/2021] [Indexed: 12/12/2022]
Abstract
Zwitterionic polymers by virtue of their unique chemical and physical attributes have attracted researchers in recent years. The simultaneous presence of positive and negative charges in the same repeat unit renders them of various interesting properties such as superhydrophilicity, which has significantly broadened their scope for being used in different applications. Among polyzwitterions of different architectures, micro- and/or nano-gels have started receiving attention only until recently. These 3D cross-linked colloidal structures show peculiar characteristics in context to their solution properties, which are attributable either to the comonomers present or the presence of different electrolytes and biological specimens. In this review, a concise yet detailed account is provided of the different synthetic techniques and application domains of zwitterion-based micro- and/or nanogels that have been explored in recent years. Here, the focus is kept solely on the "polybetaines," which have garnered maximum research interest and remain the extensively studied polyzwitterions in literature. While their vast application potential in the biomedical sector is being detailed here, some other areas of scope such as using them as microreactors for the synthesis of metal nanoparticles or making smart membranes for water-treatment are discussed in this minireview as well.
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Affiliation(s)
- Pabitra Saha
- DWI - Leibniz-Institute for Interactive Materials, 52074, Aachen, Germany.,Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52062, Aachen, Germany
| | - Ritabrata Ganguly
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur, Kharagpur, 721302, India
| | - Xin Li
- DWI - Leibniz-Institute for Interactive Materials, 52074, Aachen, Germany.,Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52062, Aachen, Germany
| | - Rohan Das
- Luxembourg Institute of Science and Technology (LIST), Avenue des Hauts-Fourneaux, Esch-sur-Alzette, 4362, Luxembourg
| | - Nikhil K Singha
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur, Kharagpur, 721302, India
| | - Andrij Pich
- DWI - Leibniz-Institute for Interactive Materials, 52074, Aachen, Germany.,Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52062, Aachen, Germany.,Aachen Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Geleen, 6167, The Netherlands
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Yan K, Xu F, Wei W, Yang C, Wang D, Shi X. Electrochemical synthesis of chitosan/silver nanoparticles multilayer hydrogel coating with pH-dependent controlled release capability and antibacterial property. Colloids Surf B Biointerfaces 2021; 202:111711. [PMID: 33773171 DOI: 10.1016/j.colsurfb.2021.111711] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 01/25/2021] [Accepted: 03/16/2021] [Indexed: 12/23/2022]
Abstract
By coupling in situ electrochemical synthesis of silver nanoparticles (AgNPs) with the pre-deposited chitosan multilayer hydrogel, a novel type of nanocomposite coating was successfully fabricated on the stainless-steel needle electrode. Experimental results demonstrated the chitosan film can serve as a versatile medium for metal salt adsorption and stabilization, and finally electrochemical reduction of loaded silver ions to nanoparticles. The AgNPs were fabricated with a spherical shape and an average size of ∼15 nm endowing considerable antibacterial property to the hydrogel. Furthermore, the unique layered architecture consisted of porous segments and compact boundaries is almost retained, resulting in a pH-dependent and staged release pattern of silver nanoparticles based on acid triggered dissolution of the multi-membrane layer by layer. Thus, considering the mild synthesizing approach, multi-functionalities and relatively low cytotoxicity, this antibacterial hydrogel would show great potential either to be used as a newly coating material for interfacial improvement of implants or as a free-standing film after being peeled off for wound dressing.
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Affiliation(s)
- Kun Yan
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan, 430079, China; Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Key Laboratory of Textile Fiber & Product, Ministry of Education, Wuhan Textile University, Wuhan, 430200, China
| | - Feiyang Xu
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Key Laboratory of Textile Fiber & Product, Ministry of Education, Wuhan Textile University, Wuhan, 430200, China
| | - Wei Wei
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Key Laboratory of Textile Fiber & Product, Ministry of Education, Wuhan Textile University, Wuhan, 430200, China
| | - Chenguang Yang
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Key Laboratory of Textile Fiber & Product, Ministry of Education, Wuhan Textile University, Wuhan, 430200, China
| | - Dong Wang
- Hubei Key Laboratory of Advanced Textile Materials & Application, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Key Laboratory of Textile Fiber & Product, Ministry of Education, Wuhan Textile University, Wuhan, 430200, China.
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan, 430079, China.
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ROMP synthesis of gallol-containing polymer hydrogels for in situ fabrication of AuNPs and AgNPs composites as recyclable catalysts for the degradation of 4-nitrophenol. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123539] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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48
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Su T, Zhang M, Zeng Q, Pan W, Huang Y, Qian Y, Dong W, Qi X, Shen J. Mussel-inspired agarose hydrogel scaffolds for skin tissue engineering. Bioact Mater 2021; 6:579-588. [PMID: 33005823 PMCID: PMC7509181 DOI: 10.1016/j.bioactmat.2020.09.004] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/31/2020] [Accepted: 09/07/2020] [Indexed: 02/07/2023] Open
Abstract
Polysaccharide hydrogels are widely used in tissue engineering because of their superior biocompatibility and low immunogenicity. However, many of these hydrogels are unrealistic for practical applications as the cost of raw materials is high, and the fabrication steps are tedious. This study focuses on the facile fabrication and optimization of agarose-polydopamine hydrogel (APG) scaffolds for skin wound healing. The first study objective was to evaluate the effects of polydopamine (PDA) on the mechanical properties, water holding capacity and cell adhesiveness of APG. We observed that APG showed decreased rigidity and increased water content with the addition of PDA. Most importantly, decreased rigidity translated into significant increase in cell adhesiveness. Next, the slow biodegradability and high biocompatibility of APG with the highest PDA content (APG3) was confirmed. In addition, APG3 promoted full-thickness skin defect healing by accelerating collagen deposition and promoting angiogenesis. Altogether, we have developed a straightforward and efficient strategy to construct functional APG scaffold for skin tissue engineering, which has translation potentials in clinical practice.
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Affiliation(s)
- Ting Su
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
- School of Chemistry & Materials Engineering, Fuyang Normal University, Fuyang, 236037, China
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Mengying Zhang
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Qiankun Zeng
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Wenhao Pan
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Yijing Huang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Yuna Qian
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Wei Dong
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Xiaoliang Qi
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Jianliang Shen
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
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Clasky AJ, Watchorn JD, Chen PZ, Gu FX. From prevention to diagnosis and treatment: Biomedical applications of metal nanoparticle-hydrogel composites. Acta Biomater 2021; 122:1-25. [PMID: 33352300 DOI: 10.1016/j.actbio.2020.12.030] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/22/2020] [Accepted: 12/14/2020] [Indexed: 12/21/2022]
Abstract
Recent advances in biomaterials integrate metal nanoparticles with hydrogels to generate composite materials that exhibit new or improved properties. By precisely controlling the composition, arrangement and interactions of their constituents, these hybrid materials facilitate biomedical applications through myriad approaches. In this work we seek to highlight three popular frameworks for designing metal nanoparticle-hydrogel hybrid materials for biomedical applications. In the first approach, the properties of metal nanoparticles are incorporated into a hydrogel matrix such that the composite is selectively responsive to stimuli such as light and magnetic flux, enabling precisely activated therapeutics and self-healing biomaterials. The second approach mediates the dynamic reorganization of metal nanoparticles based on environment-directed changes in hydrogel structure, leading to chemosensing, microbial and viral detection, and drug-delivery capabilities. In the third approach, the hydrogel matrix spatially arranges metal nanoparticles to produce metamaterials or passively enhance nanoparticle properties to generate improved substrates for biomedical applications including tissue engineering and wound healing. This article reviews the construction, properties and biomedical applications of metal nanoparticle-hydrogel composites, with a focus on how they help to prevent, diagnose and treat diseases. Discussion includes how the composites lead to new or improved properties, how current biomedical research leverages these properties and the emerging directions in this growing field.
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50
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Fabrication of antibacterial sericin based hydrogel as an injectable and mouldable wound dressing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 119:111597. [DOI: 10.1016/j.msec.2020.111597] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 09/04/2020] [Accepted: 10/03/2020] [Indexed: 01/19/2023]
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