1
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Buriti BMADB, Figueiredo PLB, Passos MF, da Silva JKR. Polymer-Based Wound Dressings Loaded with Essential Oil for the Treatment of Wounds: A Review. Pharmaceuticals (Basel) 2024; 17:897. [PMID: 39065747 PMCID: PMC11279661 DOI: 10.3390/ph17070897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/03/2024] [Accepted: 07/03/2024] [Indexed: 07/28/2024] Open
Abstract
Wound healing can result in complex problems, and discovering an effective method to improve the healing process is essential. Polymeric biomaterials have structures similar to those identified in the extracellular matrix of the tissue to be regenerated and also avoid chronic inflammation, and immunological reactions. To obtain smart and effective dressings, bioactive agents, such as essential oils, are also used to promote a wide range of biological properties, which can accelerate the healing process. Therefore, we intend to explore advances in the potential for applying hybrid materials in wound healing. For this, fifty scientific articles dated from 2010 to 2023 were investigated using the Web of Science, Scopus, Science Direct, and PubMed databases. The principles of the healing process, use of polymers, type and properties of essential oils and processing techniques, and characteristics of dressings were identified. Thus, the plants Syzygium romanticum or Eugenia caryophyllata, Origanum vulgare, and Cinnamomum zeylanicum present prospects for application in clinical trials due to their proven effects on wound healing and reducing the incidence of inflammatory cells in the site of injury. The antimicrobial effect of essential oils is mainly due to polyphenols and terpenes such as eugenol, cinnamaldehyde, carvacrol, and thymol.
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Affiliation(s)
- Bruna Michele A. de B. Buriti
- Instituto de Ciências Exatas e Naturais, Programa de Pós-Graduação em Química, Universidade Federal do Pará, Belém 66075-110, PA, Brazil;
| | - Pablo Luis B. Figueiredo
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pará, Belém 66079-420, PA, Brazil; (P.L.B.F.); (M.F.P.)
| | - Marcele Fonseca Passos
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pará, Belém 66079-420, PA, Brazil; (P.L.B.F.); (M.F.P.)
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Pará, Belém 66075-110, PA, Brazil
| | - Joyce Kelly R. da Silva
- Instituto de Ciências Exatas e Naturais, Programa de Pós-Graduação em Química, Universidade Federal do Pará, Belém 66075-110, PA, Brazil;
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Pará, Belém 66075-110, PA, Brazil
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2
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Ren Y, An J, Tian C, Shang L, Tao Y, Deng L. Tunable Physical Properties of Electro-Blown Spinning Dextran/Zein Nanofibers Cross-Linked by Maillard Reaction. Foods 2024; 13:2040. [PMID: 38998546 PMCID: PMC11241757 DOI: 10.3390/foods13132040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 07/14/2024] Open
Abstract
Electrospinning biopolymer nanofibers have emerged as promising candidates for food packaging applications. In this study, dextran/zein nanofibers were fabricated using electro-blown spinning and subsequently cross-linked via the Maillard reaction (MR) at 60 °C and 50% relative humidity. Compared to traditional electrospinning, the introduction of air-blowing improved the sample preparation speed by 10 times. SEM analysis revealed that the nanofiber morphology remained stable upon MR treatment for 24 h. FTIR spectroscopy confirmed that the MR led to a deformation in the protein conformation and an increase in hydrophilicity and elasticity in the nanofibers cross-linked for 6 h. MR treatment for 18 h considerably enhanced the hydrophobicity and elastic modulus owing to covalent bond formation. Thermal analysis indicated an improved thermal stability with increasing MR duration. Mechanical property analysis revealed an increase in elastic modulus and a decrease in elongation at break for the nanofibers cross-linked for more than 6 h, indicating a trade-off between rigidity and flexibility. Notably, the water vapor permeability of the nanofibers cross-linked for 6 and 18 h was remarkably higher, which can be ascribed to the fiber morphology retention upon water evaporation. Overall, MR-cross-linked dextran/zein/xylose nanofibers showed tunable properties, making them a suitable encapsulation system for bioactive compounds.
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Affiliation(s)
- Yupeng Ren
- College of Biological and Food Engineering, Hubei Minzu University, Enshi 445000, China
| | - Jianhui An
- College of Biological and Food Engineering, Hubei Minzu University, Enshi 445000, China
| | - Cheng Tian
- College of Biological and Food Engineering, Hubei Minzu University, Enshi 445000, China
| | - Longchen Shang
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi 445000, China
| | - Yexing Tao
- College of Biological and Food Engineering, Hubei Minzu University, Enshi 445000, China
| | - Lingli Deng
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi 445000, China
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Hubei Minzu University, Enshi 445000, China
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3
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Rakkan T, Zhang S, Lehner S, Hufenus R, Sangkharak K, Ren Q. Bio-based modification of polyhydroxyalkanoates (PHA) towards increased antimicrobial activities and reduced cytotoxicity. Int J Biol Macromol 2024:133132. [PMID: 38945725 DOI: 10.1016/j.ijbiomac.2024.133132] [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: 03/25/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024]
Abstract
With the increased occurrence of bacteria resistance to conventional antibiotics, the development of novel antimicrobials is urgently needed. Traditional biomaterials used for delivering these agents often struggle to achieve sustained release while maintaining non-cytotoxic properties. In this study, we present an innovative approach using bacterial polyhydroxyalkanoates (PHA) as a carrier for antimicrobial delivery, specifically designed for wound healing applications. Octenidine dihydrochloride (OCT), a widely used antimicrobial agent, served as our model drug. To achieve the desired balance of OCT release and low cytotoxicity, we introduced a novel bio-derived additive, 3-hydroxy-pentadecanoic acid (3OHC15), extracted from bacteria. This additive significantly improved the hydrophilicity of PHA films, resulting in enhanced and sustained release of OCT. Importantly, the additive did not adversely affect the material's tensile strength or thermal properties. The increased OCT release led to improved antibacterial activity against both Gram-negative and -positive strains. Most notably, the incorporation of 3OHC15 in PHA mitigated the cytotoxic effects of the released drug on human fibroblasts, ensuring biocompatibility. This work represents a novel strategy in the design of biomaterials for the delivery of bioactive compounds, achieving a critical balance between efficacy and cytocompatibility, and marks a significant advancement in the field of antimicrobial delivery systems.
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Affiliation(s)
- Thanaphorn Rakkan
- Department of Biology, Faculty of Science, Thaksin University, Phatthalung, Thailand; Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland; Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Sixuan Zhang
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland.
| | - Sandro Lehner
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland.
| | - Rudolf Hufenus
- Laboratory for Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland.
| | - Kanokphorn Sangkharak
- Department of Chemistry, Faculty of Science, Thaksin University, Phatthalung, Thailand.
| | - Qun Ren
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland.
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4
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Rezaei ES, Poursamar SA, Naeimi M, Taheri MM, Rafienia M. An in vitro and in vivo study of electrospun polyvinyl alcohol/chitosan/sildenafil citrate mat on 3D-printed polycaprolactone membrane as a double layer wound dressing. Int J Biol Macromol 2024; 269:131859. [PMID: 38728875 DOI: 10.1016/j.ijbiomac.2024.131859] [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: 08/13/2023] [Revised: 04/14/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024]
Abstract
Double-layer dermal substitutes (DS) generally provide more effective therapeutic outcomes than single-layer substitutes. The architectural design of DS incorporates an outer layer to protect against bacterial invasions and maintain wound hydration, thereby reducing the risk of infection and the frequency of dressing changes. Moreover, the outer layer is a mechanical support for the wound, preventing undue tension in the affected area. A 3D-printed polycaprolactone (PCL) membrane was utilized as the outer layer to fabricate DS wound dressing. Simultaneously, a polyvinyl alcohol/chitosan/sildenafil citrate (PVA/CS/SC) scaffold was electrospun onto the PCL membrane to facilitate cellular adhesion and proliferation. Scanning electron microscopy (SEM) analysis of the PCL filaments revealed a consistent cross-sectional surface and structure, with an average diameter of 562.72 ± 29.15 μm. SEM results also demonstrated uniform morphology and beadless structure for the PVA/CS/SC scaffold, with an average fiber diameter of 366.77 ± 1.81 nm for PVA/CS. The addition of SC led to an increase in fiber diameter while resulting in a reduction in tensile strength. However, drug release analysis indicated that the SC release from the sample can last up to 72 h. Animal experimentation confirmed that DS wound dressing positively accelerated wound closure and collagen deposition in the Wistar rat skin wound model.
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Affiliation(s)
- Elham Salar Rezaei
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyed Ali Poursamar
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Mitra Naeimi
- Department of Biomedical Engineering, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Mahdi Taheri
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Rafienia
- Biosensor Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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5
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Maleki H, Doostan M, Khoshnevisan K, Baharifar H, Maleki SA, Fatahi MA. Zingiber officinale and thymus vulgaris extracts co-loaded polyvinyl alcohol and chitosan electrospun nanofibers for tackling infection and wound healing promotion. Heliyon 2024; 10:e23719. [PMID: 38223730 PMCID: PMC10784172 DOI: 10.1016/j.heliyon.2023.e23719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 12/09/2023] [Accepted: 12/12/2023] [Indexed: 01/16/2024] Open
Abstract
Infections are severe complications associated with chronic wounds and tardy healing that should be timely treated to achieve rapid and proper tissue repair. To hinder such difficulties, a nanofibrous mat composed of polyvinyl alcohol and chitosan (PVA/CS) was developed by electrospinning method, containing thyme (Thymus vulgaris) and ginger (Zingiber officinale) extracts. The mat containing 10 wt% of the extracts (at the ratio of 50:50) exposed the nanofibers (NFs) with the nanoscale diameter (average 382 ± 60 nm), smooth surface, and defect-free morphology. Likewise, the relevant analyses of the loaded mat displayed high wettability, porosity, and liquid absorption capacity without any adverse interaction. The obtained mat also provided a high antioxidant activity, and its release profile was continuous and sustained for nearly 72 h. Besides, it inhibited the growth of both Gram-positive S. aureus and Gram-negative E. coli strains. Furthermore, the proposed mat significantly accelerated cutaneous wound healing in bacterial-infected rats by preventing bacteria growth at the wound site. At last, histopathology analysis confirmed the ample regeneration of skin structures, forming collagen fibers and appendages. Overall, the proposed mat containing ginger-thyme extracts provides multiple therapeutic capabilities with promising solutions for inhibiting wound infection and accelerating the healing process.
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Affiliation(s)
- Hassan Maleki
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Maryam Doostan
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kamyar Khoshnevisan
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, 1983963113, Iran
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Research and Development Team, Evolution Wound Dressing (EWD) Startup Co., Tehran, Iran
| | - Hadi Baharifar
- Research and Development Team, Evolution Wound Dressing (EWD) Startup Co., Tehran, Iran
- Department of Medical Nanotechnology, Applied Biophotonics Research Center, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran
| | - Saeid Abbasi Maleki
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohmmad Amin Fatahi
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
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6
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Zomer HD, Cooke PS. Targeting estrogen signaling and biosynthesis for aged skin repair. Front Physiol 2023; 14:1281071. [PMID: 38028803 PMCID: PMC10645088 DOI: 10.3389/fphys.2023.1281071] [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: 08/21/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Non-healing skin wounds are disproportionally prevalent in older adults. Current treatments do not account for the particularities of aged skin and result in inadequate outcomes. Overall, healing chronic wounds in the elderly remains a major unmet clinical need. Estrogens play a critical role in reproduction but also have important actions in non-reproductive organs. Estrogen biosynthesis and signaling pathways are locally activated during physiological wound healing, processes that are inhibited in elderly estrogen-deprived skin. Estrogen deprivation has been shown to be a critical mediator of impaired wound healing in both postmenopausal women and aged men, and topical estrogen application reverses age-associated delayed wound healing in both elderly men and women. These data indicate that adequate estrogen biosynthesis and properly regulated estrogen signaling pathways are essential for normal wound healing and can be targeted to optimize tissue repair in the elderly. However, due to fundamental questions regarding how to safely restore estrogen signaling locally in skin wounds, there are currently no therapeutic strategies addressing estrogen deficiency in elderly chronic wounds. This review discusses established and recent literature in this area and proposes the hypothesis that estrogen plays a pleiotropic role in skin aging and that targeting estrogen signaling and biosynthesis could promote skin repair in older adults.
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Affiliation(s)
- Helena D. Zomer
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
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7
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Lin ZI, Tsai TH, Yu KC, Nien YH, Liu RP, Liu GL, Chi PL, Fang YP, Ko BT, Law WC, Zhou C, Yong KT, Cheng PW, Chen CK. Creation of Chitosan-Based Nanocapsule-in-Nanofiber Structures for Hydrophobic/Hydrophilic Drug Co-Delivery and Their Dressing Applications in Diabetic Wounds. Macromol Biosci 2023; 23:e2300145. [PMID: 37279400 DOI: 10.1002/mabi.202300145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/21/2023] [Indexed: 06/08/2023]
Abstract
Nanofiber meshes (NFMs) loaded with therapeutic agents are very often employed to treat hard-to-heal wounds such as diabetic wounds. However, most of the NFMs have limited capability to load multiple or hydrophilicity distinctive-therapeutic agents. The therapy strategy is therefore significantly hampered. To tackle the innate drawback associated with the drug loading versatility, a chitosan-based nanocapsule-in-nanofiber (NC-in-NF) structural NFM system is developed for simultaneous loading of hydrophobic and hydrophilic drugs. Oleic acid-modified chitosan is first converted into NCs by the developed mini-emulsion interfacial cross-linking procedure, followed by loading a hydrophobic anti-inflammatory agent Curcumin (Cur) into the NCs. Sequentially, the Cur-loaded NCs are successfully introduced into reductant-responsive maleoyl functional chitosan/polyvinyl alcohol NFMs containing a hydrophilic antibiotic Tetracycline hydrochloride. Having a co-loading capability for hydrophilicity distinctive agents, biocompatibility, and a controlled release property, the resulting NFMs have demonstrated the efficacy on promoting wound healing either in normal or diabetic rats.
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Affiliation(s)
- Zheng-Ian Lin
- Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Tzu-Hsien Tsai
- Division of Cardiology and Department of Internal Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, 60002, Taiwan
| | - Kuan-Chi Yu
- Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Yu-Hsun Nien
- Department of Chemical and Materials Engineering, National Yunlin University of Science and Technology, Yunlin, 64002, Taiwan
| | - Ru-Ping Liu
- Department of Chemical and Materials Engineering, National Yunlin University of Science and Technology, Yunlin, 64002, Taiwan
| | - Guan-Lin Liu
- Department of Chemistry, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Pei-Ling Chi
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, 81362, Taiwan
| | - Yi-Ping Fang
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan
- Regenerative Medical and Cell Therapy Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Bao-Tsan Ko
- Department of Chemistry, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Wing-Cheung Law
- Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, P. R. China
| | - Cheng Zhou
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Ken-Tye Yong
- School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Pei-Wen Cheng
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, 81362, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Chih-Kuang Chen
- Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
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8
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Oliveira C, Sousa D, Teixeira JA, Ferreira-Santos P, Botelho CM. Polymeric biomaterials for wound healing. Front Bioeng Biotechnol 2023; 11:1136077. [PMID: 37576995 PMCID: PMC10415681 DOI: 10.3389/fbioe.2023.1136077] [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: 01/02/2023] [Accepted: 06/19/2023] [Indexed: 08/15/2023] Open
Abstract
Skin indicates a person's state of health and is so important that it influences a person's emotional and psychological behavior. In this context, the effective treatment of wounds is a major concern, since several conventional wound healing materials have not been able to provide adequate healing, often leading to scar formation. Hence, the development of innovative biomaterials for wound healing is essential. Natural and synthetic polymers are used extensively for wound dressings and scaffold production. Both natural and synthetic polymers have beneficial properties and limitations, so they are often used in combination to overcome overcome their individual limitations. The use of different polymers in the production of biomaterials has proven to be a promising alternative for the treatment of wounds, as their capacity to accelerate the healing process has been demonstrated in many studies. Thus, this work focuses on describing several currently commercially available solutions used for the management of skin wounds, such as polymeric biomaterials for skin substitutes. New directions, strategies, and innovative technologies for the design of polymeric biomaterials are also addressed, providing solutions for deep burns, personalized care and faster healing.
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Affiliation(s)
- Cristiana Oliveira
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- LABBELS—Associate Laboratory, Braga, Portugal
| | - Diana Sousa
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- LABBELS—Associate Laboratory, Braga, Portugal
| | - José A. Teixeira
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- LABBELS—Associate Laboratory, Braga, Portugal
| | - Pedro Ferreira-Santos
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- LABBELS—Associate Laboratory, Braga, Portugal
- Department of Chemical Engineering, Faculty of Science, University of Vigo, Ourense, Spain
| | - Claudia M. Botelho
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
- LABBELS—Associate Laboratory, Braga, Portugal
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9
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Kumar M, Hilles AR, Ge Y, Bhatia A, Mahmood S. A review on polysaccharides mediated electrospun nanofibers for diabetic wound healing: Their current status with regulatory perspective. Int J Biol Macromol 2023; 234:123696. [PMID: 36801273 DOI: 10.1016/j.ijbiomac.2023.123696] [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: 11/25/2022] [Revised: 02/08/2023] [Accepted: 02/11/2023] [Indexed: 02/18/2023]
Abstract
The current treatment strategies for diabetic wound care provide only moderate degree of effectiveness; hence new and improved therapeutic techniques are in great demand. Diabetic wound healing is a complex physiological process that involves synchronisation of various biological events such as haemostasis, inflammation, and remodelling. Nanomaterials like polymeric nanofibers (NFs) offer a promising approach for the treatment of diabetic wounds and have emerged as viable options for wound management. Electrospinning is a powerful and cost-effective method to fabricate versatile NFs with a wide array of raw materials for different biological applications. The electrospun NFs have unique advantages in the development of wound dressings due to their high specific surface area and porosity. The electrospun NFs possess a unique porous structure and biological function similar to the natural extracellular matrix (ECM), and are known to accelerate wound healing. Compared to traditional dressings, the electrospun NFs are more effective in healing wounds owing to their distinct characteristics, good surface functionalisation, better biocompatibility and biodegradability. This review provides a comprehensive overview of the electrospinning procedure and its operating principle, with special emphasis on the role of electrospun NFs in the treatment of diabetic wounds. This review discusses the present techniques applied in the fabrication of NF dressings, and highlights the future prospects of electrospun NFs in medicinal applications.
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Affiliation(s)
- Mohit Kumar
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University (MRSPTU), Bathinda 151001, Punjab, India
| | - Ayah R Hilles
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, United Kingdom
| | - Yi Ge
- INHART, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Selangor, Malaysia
| | - Amit Bhatia
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University (MRSPTU), Bathinda 151001, Punjab, India
| | - Syed Mahmood
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
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10
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Bioengineered Water-Responsive Carboxymethyl Cellulose/Poly(vinyl alcohol) Hydrogel Hybrids for Wound Dressing and Skin Tissue Engineering Applications. Gels 2023; 9:gels9020166. [PMID: 36826336 PMCID: PMC9956280 DOI: 10.3390/gels9020166] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/10/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
The burden of chronic wounds is growing due to the increasing incidence of trauma, aging, and diabetes, resulting in therapeutic problems and increased medical costs. Thus, this study reports the synthesis and comprehensive characterization of water-responsive hybrid hydrogels based on carboxymethyl cellulose (CMC) and poly(vinyl alcohol) (PVA) using citric acid (CA) as the chemical crosslinking agent, with tunable physicochemical properties suitable to be applied as a wound dressing for soft tissue engineering applications. They were produced through an eco-friendly process under mild conditions. The hydrogels were designed and produced with flexible swelling degree properties through the selection of CMC molecular mass (Mw = 250 and 700 kDa) and degree of functionalization (DS = 0.81), degree of hydrolysis of PVA (DH > 99%, Mw = 84-150 kDa) associated with synthesis parameters, CMC/PVA ratio and extension of chemical crosslinking (CA/CMC:PVA ratio), for building engineered hybrid networks. The results demonstrated that highly absorbent hydrogels were produced with swelling degrees ranging from 100% to 5000%, and gel fraction from 40% to 80%, which significantly depended on the concentration of CA crosslinker and the presence of PVA as the CMC-based network modifier. The characterizations indicated that the crosslinking mechanism was mostly associated with the chemical reaction of CA carboxylic groups with hydroxyl groups of CMC and PVA polymers forming ester bonds, rendering a hybrid polymeric network. These hybrid hydrogels also presented hydrophilicity, permeability, and structural features dependent on the degree of crosslinking and composition. The hydrogels were cytocompatible with in vitro cell viability responses of over 90% towards model cell lines. Hence, it is envisioned that this research provides a simple strategy for producing biocompatible hydrogels with tailored properties as wound dressings for assisting chronic wound healing and skin tissue engineering applications.
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11
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Salimi-Kenari H, Barari M, Nabavi SR, Mousavi Anjeh A, Hosseini SR. Step by Step Modification of Electrospinning Process to Fabricate Ultra-Fine Dextran Nanofibers. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2022.2113895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Hamed Salimi-Kenari
- Department of Chemical Engineering, Faculty of Engineering and Technology, University of Mazandaran, Babolsar Iran
| | - Mehdi Barari
- Department of Chemical Engineering, Faculty of Engineering and Technology, University of Mazandaran, Babolsar Iran
| | - Seyed Reza Nabavi
- Department of Applied Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar Iran
| | - Atefeh Mousavi Anjeh
- Department of Applied Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar Iran
| | - Sayed Reza Hosseini
- Department of Applied Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar Iran
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12
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Shams F, Moravvej H, Hosseinzadeh S, Mostafavi E, Bayat H, Kazemi B, Bandehpour M, Rostami E, Rahimpour A, Moosavian H. Overexpression of VEGF in dermal fibroblast cells accelerates the angiogenesis and wound healing function: in vitro and in vivo studies. Sci Rep 2022; 12:18529. [PMID: 36323953 PMCID: PMC9630276 DOI: 10.1038/s41598-022-23304-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 10/29/2022] [Indexed: 12/13/2022] Open
Abstract
Fibroblasts are the main cells of connective tissue and have pivotal roles in the proliferative and maturation phases of wound healing. These cells can secrete various cytokines, growth factors, and collagen. Vascular endothelial growth factor (VEGF) is a unique factor in the migration process of fibroblast cells through induces wound healing cascade components such as angiogenesis, collagen deposition, and epithelialization. This study aimed to create VEGF165 overexpressing fibroblast cells to evaluate angiogenesis function in wound healing. In vitro, a novel recombinant expression vector, pcDNA3.1(-)-VEGF, was produced and transfected into the fibroblast cells. Following selecting fibroblast cells with hygromycin, recombinant cells were investigated in terms of VEGF expression by quantifying and qualifying methods. Mechanical, physical, and survival properties of polyurethane-cellulose acetate (PU-CA) scaffold were investigated. Finally, in vivo, the angiogenic potential was evaluated in four groups containing control, PU-CA, PU-CA with fibroblast cells, and VEGF-expressing cells on days 0, 2, 5, 12 and 15. Wound biopsies were harvested and the healing process was histopathologically evaluated on different days. qRT-PCR showed VEGF overexpression (sevenfold) in genetically-manipulated cells compared to fibroblast cells. Recombinant VEGF expression was also confirmed by western blotting. Manipulated fibroblast cells represented more angiogenesis than other groups on the second day after surgery, which was also confirmed by the antiCD31 antibody. The percentage of wound closure area on day 5 in genetically-manipulated Hu02 and Hu02 groups showed a significant reduction of wound area compared to other groups. These findings indicate that overexpression of VEGF165 in fibroblast cells results in enhanced angiogenesis and formation of granulated tissue in the early stage of the healing process, which can show its therapeutic potential in patients with impaired wound healing and also provide functional support for gene therapy.
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Affiliation(s)
- Forough Shams
- grid.411600.2Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamideh Moravvej
- grid.411600.2Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Simzar Hosseinzadeh
- grid.411600.2Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran ,grid.411600.2Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ebrahim Mostafavi
- grid.168010.e0000000419368956Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA USA ,grid.168010.e0000000419368956Department of Medicine, Stanford University School of Medicine, Stanford, CA USA
| | - Hadi Bayat
- grid.411600.2Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran ,grid.412266.50000 0001 1781 3962Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Bahram Kazemi
- grid.411600.2Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mojgan Bandehpour
- grid.411600.2Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elnaz Rostami
- grid.412502.00000 0001 0686 4748Department of Animal Sciences and Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Azam Rahimpour
- grid.411600.2Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran ,grid.411600.2Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamidreza Moosavian
- grid.46072.370000 0004 0612 7950Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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13
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Electrospun Fibers: Versatile Approaches for Controlled Release Applications. INT J POLYM SCI 2022. [DOI: 10.1155/2022/9116168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Electrospinning has been one of the most attractive methods of fiber fabrication in the last century. A lot of studies have been conducted, especially in tissue engineering and drug delivery using electrospun fibers. Loading many different drugs and bioactive agents on or within these fibers potentiates the efficacy of such systems; however, there are still no commercial products with this technology available in the market. Various methods have been developed to improve the mechanical and physicochemical behavior of structures toward more controllable delivery systems in terms of time, place, or quantity of release. In this study, most frequent methods used for the fabrication of controlled release electrospun fibers have been reviewed. Although there are a lot of achievements in the fabrication of controlled release fibers, there are still many challenges to be solved to reach a qualified, reproducible system applicable in the pharmaceutical industry.
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14
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John JV, McCarthy A, Karan A, Xie J. Electrospun Nanofibers for Wound Management. CHEMNANOMAT : CHEMISTRY OF NANOMATERIALS FOR ENERGY, BIOLOGY AND MORE 2022; 8:e202100349. [PMID: 35990019 PMCID: PMC9384963 DOI: 10.1002/cnma.202100349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Indexed: 06/15/2023]
Abstract
Electrospun nanofibers show great potential in biomedical applications. This mini review article traces the recent advances in electrospun nanofibers for wound management via various approaches. Initially, we provide a short note on the four phases of wound healing, including hemostasis, inflammation, proliferation, and remodeling. Then, we state how the nanofiber dressings can stop bleeding and reduce the pain. Following that, we discuss the delivery of therapeutics and cells using different types of nanofibers for enhancing cell migration, angiogenesis, and re-epithelialization, resulting in the promotion of wound healing. Finally, we present the conclusions and future perspectives regarding the use of electrospun nanofibers for wound management.
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Affiliation(s)
- Johnson V John
- Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198 (USA)
| | - Alec McCarthy
- Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198 (USA)
| | - Anik Karan
- Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198 (USA)
| | - Jingwei Xie
- Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198 (USA)
- Department of Mechanical and Materials Engineering, College of Engineering, University of Nebraska Lincoln, Lincoln, NE 68588 (USA)
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15
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Mousa HM, Ali MG, Rezk AI, Nasr EA, Hussein KH. Development of conductive polymeric nanofiber patches for cardiac tissue engineering application. J Appl Polym Sci 2022. [DOI: 10.1002/app.52757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Hamouda M. Mousa
- Department of Mechanical Engineering, Faculty of Engineering South Valley University Qena Egypt
| | - Mustafa Ghazali Ali
- Department of Mechanical Engineering, Faculty of Engineering South Valley University Qena Egypt
| | - Abdelrahman I. Rezk
- Department of Bionanosystem Engineering Jeonbuk National University Jeonju Jeonbuk Republic of Korea
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School Jeonbuk National University Jeonju Republic of Korea
| | - Emad Abouel Nasr
- Department of Industrial Engineering, College of Engineering King Saud University Riyadh Saudi Arabia
| | - Kamal Hany Hussein
- Center for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering Loughborough University Loughborough Leicestershire UK
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16
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Amini N, Milan PB, Sarmadi VH, Derakhshanmehr B, Hivechi A, Khodaei F, Hamidi M, Ashraf S, Larijani G, Rezapour A. Microorganism-derived biological macromolecules for tissue engineering. Front Med 2022; 16:358-377. [PMID: 35687278 DOI: 10.1007/s11684-021-0903-0] [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: 05/26/2021] [Accepted: 09/23/2021] [Indexed: 11/04/2022]
Abstract
According to literature, certain microorganism productions mediate biological effects. However, their beneficial characteristics remain unclear. Nowadays, scientists concentrate on obtaining natural materials from live creatures as new sources to produce innovative smart biomaterials for increasing tissue reconstruction in tissue engineering and regenerative medicine. The present review aims to introduce microorganism-derived biological macromolecules, such as pullulan, alginate, dextran, curdlan, and hyaluronic acid, and their available sources for tissue engineering. Growing evidence indicates that these materials can be used as biological material in scaffolds to enhance regeneration in damaged tissues and contribute to cosmetic and dermatological applications. These natural-based materials are attractive in pharmaceutical, regenerative medicine, and biomedical applications. This study provides a detailed overview of natural-based biomaterials, their chemical and physical properties, and new directions for future research and therapeutic applications.
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Affiliation(s)
- Naser Amini
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran.,Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Peiman Brouki Milan
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran. .,Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran. .,Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.
| | - Vahid Hosseinpour Sarmadi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran.,Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Bahareh Derakhshanmehr
- Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Ahmad Hivechi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran.,Department of Pharmaceutics, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Fateme Khodaei
- Burn Research Center, Department of Plastic and Reconstructive Surgery, Iran University of Medical Sciences, Tehran, 1591639675, Iran
| | - Masoud Hamidi
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, 4477166595, Iran
| | - Sara Ashraf
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran
| | - Ghazaleh Larijani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran
| | - Alireza Rezapour
- Cellular and Molecular Research Centre, Qom University of Medical Sciences, Qom, 3715835155, Iran. .,Department of Tissue Engineering and Regenerative Medicine, School of Medicine, Qom University of Medical Sciences, Qom, 3715835155, Iran.
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17
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Advancement of Nanofibrous Mats and Common Useful Drug Delivery Applications. Adv Pharmacol Pharm Sci 2022; 2022:9073837. [PMID: 35492808 PMCID: PMC9042622 DOI: 10.1155/2022/9073837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/15/2022] [Accepted: 04/07/2022] [Indexed: 11/18/2022] Open
Abstract
Electrospinning enables simple and cost-effective production of polymer nanofibers from different polymer materials. Drug delivery systems are capable of achieving maximum drug treatment benefits by significantly reducing adverse complications. Electrospun nanofibers have recently attracted considerable attention owing to their distinctive properties, including flexibility and biocompatibility. The implementation of functional constituents within nanostructure fibers blends is an effective technique for the administration of a variety of drugs in animal research, broadening the nanofiber capability and reliability. The nanofibrous mesh and its various application purposes are discussed in terms of a summary of recent research, emphasizing the ease of streaming and a large number of combinations of this approach, which could lead to a breakthrough in targeted therapy.
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18
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A DNA functionalized advanced electrochemical biosensor for identification of the foodborne pathogen Salmonella enterica serovar Typhi in real samples. Anal Chim Acta 2022; 1192:339332. [DOI: 10.1016/j.aca.2021.339332] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/21/2021] [Accepted: 11/24/2021] [Indexed: 11/20/2022]
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19
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Angel N, Li S, Yan F, Kong L. Recent advances in electrospinning of nanofibers from bio-based carbohydrate polymers and their applications. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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20
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Gharib Khajeh H, Sabzi M, Ramezani S, Jalili AA, Ghorbani M. Fabrication of a wound dressing mat based on Polyurethane/Polyacrylic acid containing Poloxamer for skin tissue engineering. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127891] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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21
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Bacchu MS, Ali MR, Hasan MN, Mamun MRA, Hossain MI, Khan MZH. Graphitic carbon nitride and APTES modified advanced electrochemical biosensor for detection of 17β-estradiol in spiked food samples. RSC Adv 2022; 12:16581-16588. [PMID: 35754912 PMCID: PMC9169072 DOI: 10.1039/d2ra02315f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 05/24/2022] [Indexed: 12/03/2022] Open
Abstract
This work demonstrates a simple and inexpensive electrochemical biosensing pathway for selective and sensitive recognition of 17β-estradiol (E2) in environmental and food samples. The biosensing system is based on graphitic carbon nitride (g-C3N4) and a conductive polymer 3-aminopropyltriethoxysilane (APTES). The proposed biosensor shows the ability to detect E2 in attomolar levels within a wide linear logarithm concentration range of 1 × 10−6 to 1 × 10−18 mol L−1 with a limit of detection (LOD) of 9.9 × 10−19 mol L−1. The selectivity of the developed biosensor was confirmed by conducting the DPV of similarly structured hormones and naturally occurring substances. The proposed biosensor is highly stable and applicable to detect E2 in the presence of spiked food and environmental samples with satisfactory recoveries ranging from 95.1 to 104.8%. So, the designed electrochemical biosensor might be an effective alternative tool for the detection of E2 and other endogenous substances to attain food safety. This work demonstrates a simple and inexpensive electrochemical biosensing pathway for selective and sensitive recognition of 17β-estradiol (E2) in environmental and food samples.![]()
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Affiliation(s)
- M. S. Bacchu
- Dept. of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - M. R. Ali
- Dept. of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - M. N. Hasan
- Dept. of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - M. R. A. Mamun
- Dept. of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - M. I. Hossain
- Dept. of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - M. Z. H. Khan
- Dept. of Chemical Engineering, Jashore University of Science and Technology, Jashore 7408, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
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22
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Luo S, Saadi A, Fu K, Taxipalati M, Deng L. Fabrication and characterization of dextran/zein hybrid electrospun fibers with tailored properties for controlled release of curcumin. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:6355-6367. [PMID: 33969891 DOI: 10.1002/jsfa.11306] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/30/2021] [Accepted: 05/10/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND In recent years, there has been considerable interest in the use of biopolymer electrospun nanofibers for various food applications due to the biocompatibility, biodegradability, and high loading capacity. Herein, we fabricated and characterized novel hybrid electrospun fibers from dextran (50%, w/v) and zein (0-30%, w/v) solutions, and the effects of various zein concentrations on the properties of the hybrid electrospun fibers were investigated. RESULTS When zein was added at low concentrations (5% and 10%), dextran and zein showed poor miscibility, as reflected by significantly decreased viscosity of the solutions, and the poor mechanical properties of the derived fiber membranes. When zein was added at medium concentrations (15-25%), hydrogen bonds were formed between dextran and zein molecules, as indicated by the red shift of Fourier-transform infrared bands and β-sheet to α-helix structural transformations. The fiber membranes electrospun from a solution with 25% zein showed the most hydrophobic surface, with a water contact angle of 116.9°. The homogenous dispersion of dextran and zein resulted in improved mechanical properties for fibers electrospun from a solution with 30% zein. Curcumin encapsulating dextran/zein electrospun fibers exhibited effective radical scavenging activity and ferric reducing power, along with the desired controlled release behavior for curcumin delivery. CONCLUSION Food grade dextran/zein hybrid electrospun fibers demonstrated tunable properties, and appear to be promising as delivery systems for bioactive and edible antimicrobial food packaging. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Shiyuan Luo
- College of Biological Science and Technology, Hubei Key Laboratory of Biological Resources Protection and Utilization, Key Laboratory of Green Manufacturing of Super-Light Elastomer Materials of State Ethnic Affairs Commission, Hubei Minzu University, Enshi, China
| | - Abdullah Saadi
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Kai Fu
- College of Biological Science and Technology, Hubei Key Laboratory of Biological Resources Protection and Utilization, Key Laboratory of Green Manufacturing of Super-Light Elastomer Materials of State Ethnic Affairs Commission, Hubei Minzu University, Enshi, China
| | - Maierhaba Taxipalati
- Department of Modern Agriculture, Turpan Vocational and Technical College, Turpan, China
| | - Lingli Deng
- College of Biological Science and Technology, Hubei Key Laboratory of Biological Resources Protection and Utilization, Key Laboratory of Green Manufacturing of Super-Light Elastomer Materials of State Ethnic Affairs Commission, Hubei Minzu University, Enshi, China
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23
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Madruga LYC, Popat KC, Balaban RC, Kipper MJ. Enhanced blood coagulation and antibacterial activities of carboxymethyl-kappa-carrageenan-containing nanofibers. Carbohydr Polym 2021; 273:118541. [PMID: 34560953 DOI: 10.1016/j.carbpol.2021.118541] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 01/10/2023]
Abstract
Ideal wound dressings should be biocompatible, exhibit high antibacterial activity, and promote blood coagulation. To impart these imperative functions, carboxymethyl-kappa-carrageenan was incorporated into poly(vinyl alcohol) nanofibers (PVA-CMKC). The antibacterial activity of the nanofibers was evaluated. Adsorption of two important blood proteins, fibrinogen and albumin, was also assessed. The adhesion and activation of platelets, and the clotting of whole blood were evaluated to characterize the ability of the nanofibers to promote hemostasis. Adhesion and morphology of both Staphylococcus aureus and Pseudomonas aeruginosa were evaluated using fluorescence microscopy and scanning electron microscopy. CMKC-containing nanofibers demonstrated significant increases in platelet adhesion and activation, percentage of coagulation in whole blood clotting test and fibrinogen adsorption, compared to PVA nanofibers, showing blood coagulation activity. Incorporating CMKC also reduces adhesion and viability of S. aureus and P. aeruginosa bacteria after 24 h of incubation. PVA-CMKC nanofibers show potential application as dressings for wound healing applications.
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Affiliation(s)
- Liszt Y C Madruga
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO, United States; Institute of Chemistry, Federal University of Rio Grande do Norte (UFRN), Natal, RN, Brazil
| | - Ketul C Popat
- School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO, United States; Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, United States; School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States
| | - Rosangela C Balaban
- Institute of Chemistry, Federal University of Rio Grande do Norte (UFRN), Natal, RN, Brazil
| | - Matt J Kipper
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO, United States; School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO, United States; School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States.
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24
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Bioactive Collagen Hydrolysate-Chitosan/Essential Oil Electrospun Nanofibers Designed for Medical Wound Dressings. Pharmaceutics 2021; 13:pharmaceutics13111939. [PMID: 34834354 PMCID: PMC8621651 DOI: 10.3390/pharmaceutics13111939] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 01/13/2023] Open
Abstract
In this study, lemon balm (Melissa officinalis L.) and dill (Anethum graveolens L.) essential oils (EOs) were encapsulated into collagen hydrolysates extracted from bovine tendons and rabbit skins, both mixed with chitosan (CS) by using the coaxial electrospinning technique for potential wound dressing applications. The morphology and chemical composition of the electrospun nanofibers were investigated using scanning electron microscopy (SEM) and attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR). The antimicrobial activity of the dill EO and lemon EO, as well as the electrospun samples loaded with essential oils was determined by disk diffusion assay against Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, Enterococcus faecalis ATCC 29212, and Salmonella typhimurium ATCC 14028 bacterial strains; Candida albicans ATCC 10231 and Candida glabrata ATCC 90028 yeast strains; and Aspergillus brasiliensis ATCC 9642 fungal strain. In vivo biocompatibility testing of the collagen hydrolysate-chitosan/essential oil electrospun nanofibers was based on the determination of the hematological, biochemical, and immunological profile and the evaluation of the influence produced on the oxidative stress in white Swiss mice. The synergetic effect of dill and lemon balm EOs can improve the antimicrobial activity of collagen hydrolysate-chitosan nanofibers against the most important bacterial strains. The in vivo test results suggested a good biocompatibility of electrospun samples based on collagen hydrolysate extracted from bovine tendons or rabbit skin mixed with chitosan and containing dill and/or lemon balm essential oils as encapsulated bioactive compounds.
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25
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Özen İ, Wang X. Biomedicine: electrospun nanofibrous hormonal therapies through skin/tissue—a review. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1985493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- İlhan Özen
- Textile Engineering Department, Erciyes University, Melikgazi, Kayseri, Turkey
| | - Xungai Wang
- Institute for Frontier Materials, Deakin University, Geelong, Australia
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26
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Križman K, Novak S, Kristl J, Majdič G, Drnovšek N. Long-acting silk fibroin xerogel delivery systems for controlled release of estradiol. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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27
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Ramos-Rodriguez DH, MacNeil S, Claeyssens F, Ortega Asencio I. Delivery of Bioactive Compounds to Improve Skin Cell Responses on Microfabricated Electrospun Microenvironments. Bioengineering (Basel) 2021; 8:105. [PMID: 34436108 PMCID: PMC8389211 DOI: 10.3390/bioengineering8080105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/15/2021] [Accepted: 07/22/2021] [Indexed: 12/05/2022] Open
Abstract
The introduction of microtopographies within biomaterial devices is a promising approach that allows one to replicate to a degree the complex native environment in which human cells reside. Previously, our group showed that by combining electrospun fibers and additive manufacturing it is possible to replicate to an extent the stem cell microenvironment (rete ridges) located between the epidermal and dermal layers. Our group has also explored the use of novel proangiogenic compounds to improve the vascularization of skin constructs. Here, we combine our previous approaches to fabricate innovative polycaprolactone fibrous microtopographical scaffolds loaded with bioactive compounds (2-deoxy-D-ribose, 17β-estradiol, and aloe vera). Metabolic activity assay showed that microstructured scaffolds can be used to deliver bioactive agents and that the chemical relation between the working compound and the electrospinning solution is critical to replicate as much as possible the targeted morphologies. We also reported that human skin cell lines have a dose-dependent response to the bioactive compounds and that their inclusion has the potential to improve cell activity, induce blood vessel formation and alter the expression of relevant epithelial markers (collagen IV and integrin β1). In summary, we have developed fibrous matrixes containing synthetic rete-ridge-like structures that can deliver key bioactive compounds that can enhance skin regeneration and ultimately aid in the development of a complex wound healing device.
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Affiliation(s)
- David H. Ramos-Rodriguez
- Bioengineering and Health Technologies Group, The School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK;
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK; (S.M.); (F.C.)
| | - Sheila MacNeil
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK; (S.M.); (F.C.)
| | - Frederik Claeyssens
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK; (S.M.); (F.C.)
| | - Ilida Ortega Asencio
- Bioengineering and Health Technologies Group, The School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK;
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Wu P, Xi X, Li R, Sun G. Engineering Polysaccharides for Tissue Repair and Regeneration. Macromol Biosci 2021; 21:e2100141. [PMID: 34219388 DOI: 10.1002/mabi.202100141] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/11/2021] [Indexed: 12/22/2022]
Abstract
The success of repair or regeneration depends greatly on the architecture of 3D scaffolds that finely mimic natural extracellular matrix to support cell growth and assembly. Polysaccharides have excellent biocompatibility with intrinsic biological cues and they have been extensively investigated as scaffolds for tissue engineering and regenerative medicine (TERM). The physical and biochemical structures of natural polysaccharides, however, can barely meet all the requirements of tissue-engineered scaffolds. To take advantage of their inherent properties, many innovative approaches including chemical, physical, or joint modifications have been employed to improve their properties. Recent advancement in molecular and material building technology facilitates the fabrication of advanced 3D structures with desirable properties. This review focuses on the latest progress of polysaccharide-based scaffolds for TERM, especially those that construct advanced architectures for tissue regeneration.
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Affiliation(s)
- Pingli Wu
- College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Xin Xi
- Affiliated Hospital of Hebei University, College of Clinical Medicine, Institute of Life Science and Green Development, Hebei University, Baoding, 071000, China
| | - Ruochen Li
- College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Guoming Sun
- College of Chemistry and Environmental Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China.,Affiliated Hospital of Hebei University, College of Clinical Medicine, Institute of Life Science and Green Development, Hebei University, Baoding, 071000, China
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Nanofibrous cellulose acetate/gelatin wound dressing endowed with antibacterial and healing efficacy using nanoemulsion of Zataria multiflora. Int J Biol Macromol 2020; 162:762-773. [DOI: 10.1016/j.ijbiomac.2020.06.175] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/14/2020] [Accepted: 06/17/2020] [Indexed: 02/06/2023]
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Gorbunova MA, Anokhin DV, Badamshina ER. Recent Advances in the Synthesis and Application of Thermoplastic Semicrystalline Shape Memory Polyurethanes. POLYMER SCIENCE SERIES B 2020. [DOI: 10.1134/s1560090420050073] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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31
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Iacob AT, Drăgan M, Ionescu OM, Profire L, Ficai A, Andronescu E, Confederat LG, Lupașcu D. An Overview of Biopolymeric Electrospun Nanofibers Based on Polysaccharides for Wound Healing Management. Pharmaceutics 2020; 12:E983. [PMID: 33080849 PMCID: PMC7589858 DOI: 10.3390/pharmaceutics12100983] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 12/13/2022] Open
Abstract
Currently, despite the thoroughgoing scientific research carried out in the area of wound healing management, the treatment of skin injuries, regardless of etiology remains a big provocation for health care professionals. An optimal wound dressing should be nontoxic, non-adherent, non-allergenic, should also maintain a humid medium at the wound interfacing, and be easily removed without trauma. For the development of functional and bioactive dressings, they must meet different conditions such as: The ability to remove excess exudates, to allow gaseous interchange, to behave as a barrier to microbes and to external physical or chemical aggressions, and at the same time to have the capacity of promoting the process of healing by stimulating other intricate processes such as differentiation, cell adhesion, and proliferation. Over the past several years, various types of wound dressings including hydrogels, hydrocolloids, films, foams, sponges, and micro/nanofibers have been formulated, and among them, the electrospun nanofibrous mats received an increased interest from researchers due to the numerous advantages and their intrinsic properties. The drug-embedded nanofibers are the potential candidates for wound dressing application by virtue of: Superior surface area-to volume ratio, enormous porosity (can allow oxy-permeability) or reticular nano-porosity (can inhibit the microorganisms'adhesion), structural similitude to the skin extracellular matrix, and progressive electrospinning methodology, which promotes a prolonged drug release. The reason that we chose to review the formulation of electrospun nanofibers based on polysaccharides as dressings useful in wound healing was based on the ever-growing research in this field, research that highlighted many advantages of the nanofibrillary network, but also a marked versatility in terms of numerous active substances that can be incorporated for rapid and infection-free tissue regeneration. In this review, we have extensively discussed the recent advancements performed on electrospun nanofibers (eNFs) formulation methodology as wound dressings, and we focused as well on the entrapment of different active biomolecules that have been incorporated on polysaccharides-based nanofibers, highlighting those bioagents capable of improving the healing process. In addition, in vivo tests performed to support their increased efficacy were also listed, and the advantages of the polysaccharide nanofiber-based wound dressings compared to the traditional ones were emphasized.
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Affiliation(s)
- Andreea-Teodora Iacob
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Maria Drăgan
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Oana-Maria Ionescu
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Lenuța Profire
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucuresti, Romania;
- Academy of Romanian Scientists, Ilfov st 3, 050085 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucuresti, Romania;
- Academy of Romanian Scientists, Ilfov st 3, 050085 Bucharest, Romania
| | - Luminița Georgeta Confederat
- Department of Preventive Medicine and Interdisciplinarity, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania;
| | - Dan Lupașcu
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iasi, Romania; (A.-T.I.); (M.D.); (O.-M.I.); (D.L.)
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Toriello M, Afsari M, Shon HK, Tijing LD. Progress on the Fabrication and Application of Electrospun Nanofiber Composites. MEMBRANES 2020; 10:membranes10090204. [PMID: 32872232 PMCID: PMC7559347 DOI: 10.3390/membranes10090204] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/20/2020] [Accepted: 08/26/2020] [Indexed: 01/09/2023]
Abstract
Nanofibers are one of the most attractive materials in various applications due to their unique properties and promising characteristics for the next generation of materials in the fields of energy, environment, and health. Among the many fabrication methods, electrospinning is one of the most efficient technologies which has brought about remarkable progress in the fabrication of nanofibers with high surface area, high aspect ratio, and porosity features. However, neat nanofibers generally have low mechanical strength, thermal instability, and limited functionalities. Therefore, composite and modified structures of electrospun nanofibers have been developed to improve the advantages of nanofibers and overcome their drawbacks. The combination of electrospinning technology and high-quality nanomaterials via materials science advances as well as new modification techniques have led to the fabrication of composite and modified nanofibers with desired properties for different applications. In this review, we present the recent progress on the fabrication and applications of electrospun nanofiber composites to sketch a progress line for advancements in various categories. Firstly, the different methods for fabrication of composite and modified nanofibers have been investigated. Then, the current innovations of composite nanofibers in environmental, healthcare, and energy fields have been described, and the improvements in each field are explained in detail. The continued growth of composite and modified nanofiber technology reveals its versatile properties that offer alternatives for many of current industrial and domestic issues and applications.
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Affiliation(s)
- Mariela Toriello
- Faculty of Engineering and Information Technology, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia;
| | - Morteza Afsari
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia; (M.A.); (H.K.S.)
| | - Ho Kyong Shon
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia; (M.A.); (H.K.S.)
| | - Leonard D. Tijing
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia; (M.A.); (H.K.S.)
- Correspondence:
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Rodríguez-Sánchez IJ, Fuenmayor CA, Clavijo-Grimaldo D, Zuluaga-Domínguez CM. Electrospinning of ultra-thin membranes with incorporation of antimicrobial agents for applications in active packaging: a review. INT J POLYM MATER PO 2020. [DOI: 10.1080/00914037.2020.1785450] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | - Carlos Alberto Fuenmayor
- Instituto de Ciencia y Tecnología de Alimentos, Universidad Nacional de Colombia, Sede Bogotá, Colombia
| | - Dianney Clavijo-Grimaldo
- Departamento de Morfología, Facultad de Medicina, Universidad Nacional de Colombia, Sede Bogotá, Colombia
| | - Carlos Mario Zuluaga-Domínguez
- Departamento de Desarrollo Rural y Agroalimentario, Facultad de Ciencias Agrarias, Universidad Nacional de Colombia, Sede Bogotá, Colombia
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Rezaei H, Shahrezaee M, Jalali Monfared M, Ghorbani F, Zamanian A, Sahebalzamani M. Mussel-inspired polydopamine induced the osteoinductivity to ice-templating PLGA-gelatin matrix for bone tissue engineering application. Biotechnol Appl Biochem 2020; 68:185-196. [PMID: 32248561 DOI: 10.1002/bab.1911] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 03/10/2020] [Indexed: 11/06/2022]
Abstract
In this study, poly(lactic-co-glycolic acid) (PLGA)-gelatin scaffolds were fabricated using the freeze-casting technique. Polydopamine (PDA) coating was applied on the surface of scaffolds to enhance the hydrophilicity, bioactivity, and cellular behavior of the composite constructs. Further, the synergistic effect of PDA coating and lamellar microstructure of scaffolds was evaluated on the promotion of properties. Based on morphological observations, freeze-casting constructs showed lamellar pore channels while the uniformity and pore size were slightly affected by deposition of PDA. The hydrophilicity and swelling capacity of the scaffolds were assessed using contact angle measurement and phosphate buffered saline absorption ratio. The results indicated a significant increment in water-matrix interactions following surface modification. The evaluation of the biodegradation ratio revealed the higher degree of degradation in PDA-coated samples owing to the presence of hydrophilic functional groups in the chemical structure of PDA. On the other hand, the bioactivity potential of PDA in the simulated body fluid solution confirmed the possibility of using coated constructs as a bone reconstructive substitute. The improvement of cellular attachment and filopodia formation in PDA-contained matrixes was the other benefit of the coating process. Furthermore, cellular proliferation and ALP activity were enhanced after PDA coating. The suggested PDA-coated PLGA-gelatin scaffolds can be applied in bone tissue regeneration.
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Affiliation(s)
- Hessam Rezaei
- Department of Orthopedic Surgery, Faculty of Medicine, AJA University of Medical Science, Tehran, Iran.,Department of Biomedical Engineering, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mostafa Shahrezaee
- Department of Orthopedic Surgery, Faculty of Medicine, AJA University of Medical Science, Tehran, Iran
| | - Marziyeh Jalali Monfared
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Farnaz Ghorbani
- Department of Orthopedics, Shanghai Pudong Hospital, Shanghai Fudan University Pudong Medical Center, Shanghai, China
| | - Ali Zamanian
- Biomaterials Research Group, Department of Nanotechnology and Advanced Materials, Materials and Energy Research Center, Tehran, Iran
| | - Mohammadali Sahebalzamani
- Department of Biomedical Engineering, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
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35
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Mehteroğlu E, Çakmen AB, Aksoy B, Balcıoğlu S, Köytepe S, Ateş B, Yılmaz İ. Preparation of hybrid PU/PCL fibers from steviol glycosides via electrospinning as a potential wound dressing materials. J Appl Polym Sci 2020. [DOI: 10.1002/app.49217] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ezgi Mehteroğlu
- Department of Molecular Biology and Genetics, Faculty of Arts and Scienceİnönü University Malatya Turkey
| | - Ayşe B. Çakmen
- Department of Chemistry, Faculty of Arts and Scienceİnönü University Malatya Turkey
| | - Büşra Aksoy
- Department of Chemistry, Faculty of Arts and Scienceİnönü University Malatya Turkey
| | | | - Süleyman Köytepe
- Department of Chemistry, Faculty of Arts and Scienceİnönü University Malatya Turkey
| | - Burhan Ateş
- Department of Chemistry, Faculty of Arts and Scienceİnönü University Malatya Turkey
| | - İsmet Yılmaz
- Department of Chemistry, Faculty of Arts and Scienceİnönü University Malatya Turkey
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Eskandarinia A, Kefayat A, Agheb M, Rafienia M, Amini Baghbadorani M, Navid S, Ebrahimpour K, Khodabakhshi D, Ghahremani F. A Novel Bilayer Wound Dressing Composed of a Dense Polyurethane/Propolis Membrane and a Biodegradable Polycaprolactone/Gelatin Nanofibrous Scaffold. Sci Rep 2020; 10:3063. [PMID: 32080256 PMCID: PMC7033255 DOI: 10.1038/s41598-020-59931-2] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 01/31/2020] [Indexed: 02/06/2023] Open
Abstract
One-layer wound dressings cannot meet all the clinical needs due to their individual characteristics and shortcomings. Therefore, bilayer wound dressings which are composed of two layers with different properties have gained lots of attention. In the present study, polycaprolactone/gelatin (PCL/Gel) scaffold was electrospun on a dense membrane composed of polyurethane and ethanolic extract of propolis (PU/EEP). The PU/EEP membrane was used as the top layer to protect the wound area from external contamination and dehydration, while the PCL/Gel scaffold was used as the sublayer to facilitate cells' adhesion and proliferation. The bilayer wound dressing was investigated regarding its microstructure, mechanical properties, surface wettability, anti-bacterial activity, biodegradability, biocompatibility, and its efficacy in the animal wound model and histopathological analyzes. Scanning electron micrographs exhibited uniform morphology and bead-free structure of the PCL/Gel scaffold with average fibers' diameter of 237.3 ± 65.1 nm. Significant anti-bacterial activity was observed against Staphylococcal aureus (5.4 ± 0.3 mm), Escherichia coli (1.9 ± 0.4 mm) and Staphylococcus epidermidis (1.0 ± 0.2 mm) according to inhibition zone test. The bilayer wound dressing exhibited high hydrophilicity (51.1 ± 4.9°), biodegradability, and biocompatibility. The bilayer wound dressing could significantly accelerate the wound closure and collagen deposition in the Wistar rats' skin wound model. Taking together, the PU/EEP-PCL/Gel bilayer wound dressing can be a potential candidate for biomedical applications due to remarkable mechanical properties, biocompatibility, antibacterial features, and wound healing activities.
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Affiliation(s)
- Asghar Eskandarinia
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amirhosein Kefayat
- Department of Oncology, Cancer Prevention Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maria Agheb
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Rafienia
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran
- Biosensor Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Moloud Amini Baghbadorani
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sepehr Navid
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Karim Ebrahimpour
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Darioush Khodabakhshi
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Fatemeh Ghahremani
- Department of Medical Physics and Radiotherapy, Arak School of Paramedicine, Arak University of Medical Sciences, Arak, Iran.
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Movahedi M, Asefnejad A, Rafienia M, Khorasani MT. Potential of novel electrospun core-shell structured polyurethane/starch (hyaluronic acid) nanofibers for skin tissue engineering: In vitro and in vivo evaluation. Int J Biol Macromol 2019; 146:627-637. [PMID: 31805327 DOI: 10.1016/j.ijbiomac.2019.11.233] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/11/2019] [Accepted: 11/29/2019] [Indexed: 01/08/2023]
Abstract
The biomaterials with excellent biocompatibility and biodegradability ¬can lead to satisfactory wound healing. In this study, core-shell structured PU (polyurethane)/St (Starch) and PU/St (Hyaluronic Acid (HA)) nanofibers were fabricated with coaxial electrospinning technique. The morphology characterization of the core-shell structure of nanofibers was investigated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images. Contact-angle measurements were confirmed the core/shell structure of the electrospun nanofibers with shell and core feed rates of 0.675 L/min and <0.135 L/min, respectively. The average fiber diameter values were calculated for polyurethane nanofibers (836 ± 172.13 nm), PU/St nanofibers (612 ± 93.21 nm) and PU/St (HA) nanofibers (428 ± 78.32 nm). The average porosity values of scaffolds were determined for PU (1.251 ± 0.235 μm), PU/St (1.734 ± 0.284 μm) and PU/St (HA) (3.186 ± 0.401 μm). The core-shell PU/St and PU/St (HA) nanofibers were evaluated in vitro by using mouse fibroblasts (L929) cells. Cell morphology and viability results were exhibited significant enhancement in cell promoting and cell attachment. Furthermore, in vivo studies was indicated Core-shell PU/St (HA) wound dressing can be an appropriate candidate for skin tissue engineering and wound healing.
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Affiliation(s)
- Mehdi Movahedi
- Biomedical Engineering (Biomaterials) Department, Islamic Azad University - Science and Research Branch, Tehran, Iran
| | - Azadeh Asefnejad
- Biomedical Engineering (Biomaterials) Department, Islamic Azad University - Science and Research Branch, Tehran, Iran.
| | - Mohammad Rafienia
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Medical Technologies, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Taghi Khorasani
- Biomaterial Department of Iran Polymer and Petrochemical Institute, P.O. Box 14965/159, Tehran, Iran
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Shanmugapriya K, Kang HW. Engineering pharmaceutical nanocarriers for photodynamic therapy on wound healing: Review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110110. [DOI: 10.1016/j.msec.2019.110110] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 07/25/2019] [Accepted: 08/20/2019] [Indexed: 12/25/2022]
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Sofi HS, Akram T, Tamboli AH, Majeed A, Shabir N, Sheikh FA. Novel lavender oil and silver nanoparticles simultaneously loaded onto polyurethane nanofibers for wound-healing applications. Int J Pharm 2019; 569:118590. [PMID: 31381988 DOI: 10.1016/j.ijpharm.2019.118590] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 07/31/2019] [Accepted: 08/01/2019] [Indexed: 11/16/2022]
Abstract
Synthetic polymers, especially those with biocompatible and biodegradable characteristics, may offer effective alternatives for the treatment of severe wounds and burn injuries. Ideally, the scaffold material should induce as little pain as possible, enable quick healing, and direct the growth of defect-free epidermal cells. The best material with this multifunctionality, such as self-healing dressings, should be hydrophilic and have uninterrupted and direct contact with the damaged tissue. In addition, the ideal biomaterial should have some antibacterial properties. In this study, a novel technique was used to fabricate composite electrospun wound-dressing nanofibers composed of polyurethane encasing lavender oil and silver (Ag) nanoparticles (NPs). After electrospinning, the fabricated nanofibers were identified using various techniques, including scanning electron microscopy (SEM) and transmission electron microscopy (TEM). An abundance of Ag NPs in the fibers decreased the diameter of the fibers while increased concentration of the lavender oil increased the diameter. Fourier transform infrared (FTIR) and X-ray diffraction (XRD) studies showed the presence of the lavender oil and Ag NPs in the fiber dressings. The Ag NPs and lavender oil improved the hydrophilicity of the nanofibers and ensured the proliferation of chicken embryo fibroblasts cultured in-vitro on these fiber dressings. The antibacterial efficiency of the nanofiber dressings was investigated using E. coli and S. aureus, which yielded zones of inhibition of 16.2 ± 0.8 and 5.9 ± 0.5 mm, respectively, indicating excellent bactericidal properties of the dressings. The composite nanofiber dressings have great potential to be used as multifunctional wound dressings; offering protection against external agents as well as promoting the regeneration of new tissue.
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Affiliation(s)
- Hasham S Sofi
- Department of Nanotechnology, University of Kashmir, Hazratbal, Srinagar 190006, Jammu and Kashmir, India
| | - Towseef Akram
- Division of Animal Biotechnology, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar 190006, India
| | - Ashif H Tamboli
- Department of Physics, Savitribai Phule Pune University (Formerly University of Pune), Pune 411007, India
| | - Aasiya Majeed
- Department of Biochemistry, Division of Basic Sciences, Sher-e-Kashmir University of Agricultural Sciences and Technology-Jammu, Chatha 180009, India
| | - Nadeem Shabir
- Division of Animal Biotechnology, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar 190006, India
| | - Faheem A Sheikh
- Department of Nanotechnology, University of Kashmir, Hazratbal, Srinagar 190006, Jammu and Kashmir, India.
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40
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Khodabakhshi D, Eskandarinia A, Kefayat A, Rafienia M, Navid S, Karbasi S, Moshtaghian J. In vitro and in vivo performance of a propolis-coated polyurethane wound dressing with high porosity and antibacterial efficacy. Colloids Surf B Biointerfaces 2019; 178:177-184. [DOI: 10.1016/j.colsurfb.2019.03.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 02/28/2019] [Accepted: 03/05/2019] [Indexed: 12/11/2022]
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Wang C, Wang J, Zeng L, Qiao Z, Liu X, Liu H, Zhang J, Ding J. Fabrication of Electrospun Polymer Nanofibers with Diverse Morphologies. Molecules 2019; 24:E834. [PMID: 30813599 PMCID: PMC6429487 DOI: 10.3390/molecules24050834] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 02/21/2019] [Accepted: 02/23/2019] [Indexed: 11/17/2022] Open
Abstract
Fiber structures with nanoscale diameters offer many fascinating features, such as excellent mechanical properties and high specific surface areas, making them attractive for many applications. Among a variety of technologies for preparing nanofibers, electrospinning is rapidly evolving into a simple process, which is capable of forming diverse morphologies due to its flexibility, functionality, and simplicity. In such review, more emphasis is put on the construction of polymer nanofiber structures and their potential applications. Other issues of electrospinning device, mechanism, and prospects, are also discussed. Specifically, by carefully regulating the operating condition, modifying needle device, optimizing properties of the polymer solutions, some unique structures of core⁻shell, side-by-side, multilayer, hollow interior, and high porosity can be obtained. Taken together, these well-organized polymer nanofibers can be of great interest in biomedicine, nutrition, bioengineering, pharmaceutics, and healthcare applications.
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Affiliation(s)
- Chenyu Wang
- Department of Orthopedics, Hallym University, 1 Hallymdaehak-gil, Chuncheon, Gangwon-do 200-702, Korea.
| | - Jun Wang
- College of Chemistry, Fuzhou University, Fuzhou 350116, China.
| | - Liangdan Zeng
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Ziwen Qiao
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Xiaochen Liu
- College of Chemistry, Fuzhou University, Fuzhou 350116, China.
| | - He Liu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Jin Zhang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
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Ghorbani F, Zamanian A, Aidun A. Bioinspired polydopamine coating‐assisted electrospun polyurethane‐graphene oxide nanofibers for bone tissue engineering application. J Appl Polym Sci 2019. [DOI: 10.1002/app.47656] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Farnaz Ghorbani
- Department of Biomedical EngineeringTehran Science and Research Branch, Islamic Azad University Tehran Iran
- Biomaterials Research Group, Department of Nanotechnology and Advanced MaterialsMaterials and Energy Research Center Tehran Iran
- Department of BiomaterialsAprin Advanced Technologies Development Company Tehran Iran
| | - Ali Zamanian
- Biomaterials Research Group, Department of Nanotechnology and Advanced MaterialsMaterials and Energy Research Center Tehran Iran
- Department of BiomaterialsAprin Advanced Technologies Development Company Tehran Iran
| | - Amir Aidun
- National Cell Bank of Iran, Pasteur Institute of Iran Tehran Iran
- Tissues and Biomaterial Research Group (TBRG)Universal Scientific Education and Research Network (USERN) Tehran Iran
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43
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Dikici S, Mangır N, Claeyssens F, Yar M, MacNeil S. Exploration of 2-deoxy-D-ribose and 17β-Estradiol as alternatives to exogenous VEGF to promote angiogenesis in tissue-engineered constructs. Regen Med 2019; 14:179-197. [PMID: 30793662 DOI: 10.2217/rme-2018-0068] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Aim: In this study, we explored the angiogenic potential and proangiogenic concentration ranges of 2-deoxy-D-ribose (2dDR) and 17β-Estradiol (E2) in comparison with VEGF. The 2dDR and E2 were then loaded into tissue engineering (TE) scaffolds to investigate their proangiogenic potential when released from fibers. Materials & methods: Ex ovo chick chorioallantoic membrane (CAM) assay was used to evaluate angiogenic activity of 2dDR and E2. Both factors were then introduced into scaffolds via electrospinning to assess their angiogenic potential when released from fibers. Results: Both factors were approximately 80% as potent as VEGF and showed a dose-dependent angiogenic response. The sustained release of both agents from the scaffolds stimulated neovascularization over 7 days in the chorioallantoic membrane assay. Conclusion: We conclude that both 2dDR and E2 provide attractive alternatives to VEGF for the functionalization of tissue engineering scaffolds to promote angiogenesis in vivo.
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Affiliation(s)
- Serkan Dikici
- Department of Materials Science & Engineering, Kroto Research Institute, University of Sheffield, Sheffield, UK
| | - Naşide Mangır
- Department of Materials Science & Engineering, Kroto Research Institute, University of Sheffield, Sheffield, UK.,Department of Urology, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Frederik Claeyssens
- Department of Materials Science & Engineering, Kroto Research Institute, University of Sheffield, Sheffield, UK
| | - Muhammad Yar
- Interdisciplinary Research Center in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore, Pakistan
| | - Sheila MacNeil
- Department of Materials Science & Engineering, Kroto Research Institute, University of Sheffield, Sheffield, UK
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44
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Iranpur Mobarakeh V, Modarressi MH, Rahimi P, Bolhassani A, Arefian E, Atyabi F, Vahabpour R. Optimization of chitosan nanoparticles as an anti-HIV siRNA delivery vehicle. Int J Biol Macromol 2019; 129:305-315. [PMID: 30738164 DOI: 10.1016/j.ijbiomac.2019.02.036] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 02/05/2019] [Accepted: 02/06/2019] [Indexed: 12/15/2022]
Abstract
Chitosan has emerged as a promising polysaccharide for gene/siRNA delivery. However, additional works will be required to modify chitosan nanoparticles. In the present study, chitosan nanoparticles were well modified to introduce anti-HIV siRNA into two mammalian cell lines, macrophage RAW 264.7 and HEK293. We first generated two stable cell lines expressing HIV-1 Tat, and then designed and generated an efficient anti-tat siRNA. The nanoparticles were prepared by using different concentrations of chitosan, polyethylenimine (PEI) and carboxymethyl dextran (CMD) in various formulations and then their physicochemical and biological properties were investigated. The results demonstrated that the combination of chitosan with both CMD and PEI significantly improved both cell viability and siRNA delivery. The modified chitosan nanoparticles (ChNPs) at the N:P ratio of 50 were approximately uniform spheres with sizes ranging from 100 to 150 nm and a positive zeta potential of about +22 mV. In both cell types, the nanoparticles noticeably increased siRNA delivery efficiency with no significant cytotoxicity or apoptosis-inducing effects compared to the control cells. In addition, the nanoparticles significantly reduced the RNA and protein expression of HIV-1 tat in both stable cells. These data show that the nanoparticle formulation could potentially be used in gene therapy, especially against HIV infection.
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Affiliation(s)
- Vahid Iranpur Mobarakeh
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Hossein Modarressi
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran; Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Pooneh Rahimi
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, P.O. Box 1316943551, Tehran, Iran.
| | - Azam Bolhassani
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, P.O. Box 1316943551, Tehran, Iran
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Fatemeh Atyabi
- Department of Pharmaceutics, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Rouhollah Vahabpour
- Medical Lab Technology Department, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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45
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Memic A, Abudula T, Mohammed HS, Joshi Navare K, Colombani T, Bencherif SA. Latest Progress in Electrospun Nanofibers for Wound Healing Applications. ACS APPLIED BIO MATERIALS 2019; 2:952-969. [DOI: 10.1021/acsabm.8b00637] [Citation(s) in RCA: 166] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Tuerdimaimaiti Abudula
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Halimatu S. Mohammed
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Kasturi Joshi Navare
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Thibault Colombani
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Sidi A. Bencherif
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
- Department of Bioengineering, Northeastern University, Boston, Massachusetts 02120, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
- Sorbonne University, UTC CNTS UMR 7338, Biomechanics and Bioengineering, University of Technology of Compiegne, 60203 Compiegne, Cedex, France
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46
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Vigani B, Rossi S, Sandri G, Bonferoni MC, Milanesi G, Bruni G, Ferrari F. Coated electrospun alginate-containing fibers as novel delivery systems for regenerative purposes. Int J Nanomedicine 2018; 13:6531-6550. [PMID: 30410337 PMCID: PMC6198875 DOI: 10.2147/ijn.s175069] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Aim The aim of the present work was to develop biodegradable alginate (ALG)-containing fibrous membranes intended for tissue repair, acting as both drug delivery systems and cell growth guidance. Methods Membranes were prepared by electrospinning. Since ALG can be electrospun only when blended with other spinnable polymers, dextran (DEX) and polyethylene oxide (PEO) were investigated as process adjuvants. ALG/DEX mixtures, characterized by different rheological and conductivity properties, were prepared in phosphate buffer or deionized water; surfactants were added to modulate polymer solution surface tension. The Design of Experiments (DoE) approach (full factorial design) was used to investigate the role of polymer solution features (rheological properties, surface tension, and conductivity) on electrospun fiber morphology. A high viscosity at 1,000 s-1 (1.3-1.9 Pa.s) or a high pseudoplasticity index (≥1.7), combined with a low surface tension (30-32 mN/m) and a low conductivity (800-1,000 μS/cm), was responsible for the production of ALG/DEX homogeneous fibers. Such ranges were successfully employed for the preparation of ALG-containing fibers, using PEO, instead of DEX, as process adjuvant. ALG/DEX and ALG/PEO fibers were subsequently subjected to cross-linking/coating processes to make them slowly biodegradable in aqueous medium. In particular, ALG/PEO fibers were cross-linked and coated with CaCl2/chitosan solutions in water/ethanol mixtures. Due to DEX high content, ALG/DEX fibers were soaked in a polylactide-co-glycolide (PLGA) solution in ethyl acetate. Results Both cross-linking and coating processes made fibers insoluble in physiological medium and produced an increase in their mechanical resistance, assessed by means of a tensile test. PLGA-coated ALG/DEX and chitosan-coated ALG/PEO fibers were biocompatible and able to support fibroblast adhesion. Conclusion The DoE approach allowed to draw up guidelines useful for the preparation of homogeneous fibers, starting from mixtures of ALG and non-ionic polymers. Such fibers, upon coating, resulted to be good cell substrates, allowing cell adhesion and growth.
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Affiliation(s)
- Barbara Vigani
- Department of Drug Sciences, University of Pavia, Pavia, Italy,
| | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Pavia, Italy,
| | | | | | - Giulia Milanesi
- Department of Drug Sciences, University of Pavia, Pavia, Italy,
| | - Giovanna Bruni
- Department of Chemistry, University of Pavia, Pavia, Italy
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Pavia, Italy,
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47
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Yin X, Wen Y, Li Y, Liu P, Li Z, Shi Y, Lan J, Guo R, Tan L. Facile Fabrication of Sandwich Structural Membrane With a Hydrogel Nanofibrous Mat as Inner Layer for Wound Dressing Application. Front Chem 2018; 6:490. [PMID: 30406077 PMCID: PMC6201043 DOI: 10.3389/fchem.2018.00490] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 09/26/2018] [Indexed: 11/13/2022] Open
Abstract
A common problem existing in wound dressing is to integrate the properties of against water erosion while maintaining a high water-uptake capacity. To tackle this issue, we imbedded one layer of hydrogel nanofibrous mat into two hydrophobic nanofibrous mats, thereafter, the sandwich structural membrane (SSM) was obtained. Particularly, SSM is composed of three individual nanofibrous layers which were fabricated through sequential electrospinning technology, including two polyurethane/antibacterial agent layers, and one middle gelatin/rutin layer. The obtained SSM is characterized in terms of morphology, component, mechanical, and functional performance. In addition to the satisfactory antibacterial activity against Staphylococcus aureus and Escherichia coli, and antioxidant property upon scavenging DPPH free radicals, the obtained SSM also shows a desirable thermally regulated water vapor transmission rate. More importantly, such SSM can be mechanically stable and keep its intact morphology without appearance damage while showing a high water-absorption ratio. Therefore, the prepared sandwich structural membrane with hydrogel nanofibrous mat as inner layer can be expected as a novel wound dressing.
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Affiliation(s)
- Xueqian Yin
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Ya Wen
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Yajing Li
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China.,College of Architecture & Environment, Sichuan University, Chengdu, China
| | - Pengqing Liu
- College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Zhongming Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Yidong Shi
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Jianwu Lan
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Ronghui Guo
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China
| | - Lin Tan
- College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China.,College of Polymer Science and Engineering, Sichuan University, Chengdu, China
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48
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Namdar R, Nafisi S. Nanodiamond applications in skin preparations. Drug Discov Today 2018; 23:1152-1158. [PMID: 29660479 DOI: 10.1016/j.drudis.2018.04.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 03/04/2018] [Accepted: 04/09/2018] [Indexed: 11/25/2022]
Abstract
The biocompatibility and nontoxicity of nanodiamonds (NDs) in combination with their excellent physical performance have rendered them attractive candidates for biomedical applications. NDs have great potential in drug nanoformulations because of their small size compared with other carbon nanomaterials. They are nontoxic with excellent adsorption properties and can be formulated into skin care products. Even though NDs have shown encouraging potential in skin preparations, only a few studies have reviewed their application in topical drug delivery systems. Therefore, here we focus on the application of NDs in skin care preparations, skin cancer medication, and wound healing. We also highlight the development of topical drug delivery by NDs and their cytotoxicity.
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Affiliation(s)
- Roshanak Namdar
- Young Researchers and Elite Club, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Shohreh Nafisi
- Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
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49
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Strategic Design and Fabrication of Biomimetic 3D Scaffolds: Unique Architectures of Extracellular Matrices for Enhanced Adipogenesis and Soft Tissue Reconstruction. Sci Rep 2018; 8:5696. [PMID: 29632328 PMCID: PMC5890269 DOI: 10.1038/s41598-018-23966-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 03/23/2018] [Indexed: 01/16/2023] Open
Abstract
The higher rate of soft tissue impairment due to lumpectomy or other trauma greatly requires the restoration of the irreversibly lost subcutaneous adipose tissues. The nanofibers fabricated by conventional electrospinning provide only a superficial porous structure due to its sheet like 2D structure and thereby hinder the cell infiltration and differentiation throughout the scaffolds. Thus we developed a novel electrospun 3D membrane using the zwitterionic poly (carboxybetaine-co-methyl methacrylate) co-polymer (CMMA) through electrostatic repulsion based electrospinning for soft tissue engineering. The inherent charges in the CMMA will aid the nanofiber to directly transform into a semiconductor and thereby transfer the immense static electricity from the grounded collector and will impart greater fluffiness to the scaffolds. The results suggest that the fabricated 3D nanofiber (CMMA 3NF) scaffolds possess nanofibers with larger inter connected pores and less dense structure compared to the conventional 2D scaffolds. The CMMA 3NF exhibits significant cues of soft tissue engineering such as enhanced biocompatibility as well as the faster regeneration of cells. Moreover the fabricated 3D scaffolds greatly assist the cells to develop into its stereoscopic topographies with an enhanced adipogenic property.
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50
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Golkar P, Allafchian A, Afshar B. Alyssum lepidium
mucilage as a new source for electrospinning: production and physicochemical characterisation. IET Nanobiotechnol 2017. [DOI: 10.1049/iet-nbt.2017.0133] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Pooran Golkar
- Research Institute for Biotechnology and Bioengineering, Isfahan University of TechnologyIsfahan 84156‐83111Iran
| | - Alireza Allafchian
- Research Institute for Nanotechnology and Advanced Materials, Isfahan University of TechnologyIsfahan 84156‐83111Iran
| | - Bahareh Afshar
- Research Institute for Biotechnology and Bioengineering, Isfahan University of TechnologyIsfahan 84156‐83111Iran
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