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Latiyan S, Kumar TSS, Doble M, Kennedy JF. Perspectives of nanofibrous wound dressings based on glucans and galactans - A review. Int J Biol Macromol 2023:125358. [PMID: 37330091 DOI: 10.1016/j.ijbiomac.2023.125358] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 06/06/2023] [Accepted: 06/10/2023] [Indexed: 06/19/2023]
Abstract
Wound healing is a complex and dynamic process that needs an appropriate environment to overcome infection and inflammation to progress well. Wounds lead to morbidity, mortality, and a significant economic burden, often due to the non-availability of suitable treatments. Hence, this field has lured the attention of researchers and pharmaceutical industries for decades. As a result, the global wound care market is expected to be 27.8 billion USD by 2026 from 19.3 billion USD in 2021, at a compound annual growth rate (CAGR) of 7.6 %. Wound dressings have emerged as an effective treatment to maintain moisture, protect from pathogens, and impede wound healing. However, synthetic polymer-based dressings fail to comprehensively address optimal and quick regeneration requirements. Natural polymers like glucan and galactan-based carbohydrate dressings have received much attention due to their inherent biocompatibility, biodegradability, inexpensiveness, and natural abundance. Also, nanofibrous mesh supports better proliferation and migration of fibroblasts because of their large surface area and similarity to the extracellular matrix (ECM). Thus, nanostructured dressings derived from glucans and galactans (i.e., chitosan, agar/agarose, pullulan, curdlan, carrageenan, etc.) can overcome the limitations associated with traditional wound dressings. However, they require further development pertaining to the wireless determination of wound bed status and its clinical assessment. The present review intends to provide insight into such carbohydrate-based nanofibrous dressings and their prospects, along with some clinical case studies.
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Affiliation(s)
- Sachin Latiyan
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600036, India; Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India
| | - T S Sampath Kumar
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600036, India.
| | - Mukesh Doble
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India; Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, India
| | - John F Kennedy
- Chembiotech Labs, Institute of Science and Technology, Kyrewood House, Tenbury Wells WR158FF, UK
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Jiang L, Huang X, Tian C, Zhong Y, Yan M, Miao C, Wu T, Zhou X. Preparation and Characterization of Porous Cellulose Acetate Nanofiber Hydrogels. Gels 2023; 9:484. [PMID: 37367154 DOI: 10.3390/gels9060484] [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: 05/27/2023] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 06/28/2023] Open
Abstract
The currently reported methods for preparing cellulose acetate hydrogels use chemical reagents as cross-linking agents, and the prepared ones are non-porous structured cellulose acetate hydrogels. Nonporous cellulose acetate hydrogels limit the range of applications, such as limiting cell attachment and nutrient delivery in tissue engineering. This research creatively proposed a facile method to prepare cellulose acetate hydrogels with porous structures. Water was added to the cellulose acetate-acetone solution as an anti-solvent to induce the phase separation of the cellulose acetate-acetone solution to obtain a physical gel with a network structure, where the cellulose acetate molecules undergo re-arrangement during the replacement of acetone by water to obtain hydrogels. The SEM and BET test results showed that the hydrogels are relatively porous. The maximum pore size of the cellulose acetate hydrogel is 380 nm, and the specific surface area reaches 62 m2/g. The porosity of the hydrogel is significantly higher than that of the cellulose acetate hydrogel reported in the previous literature. The XRD results show that the nanofibrous morphology of cellulose acetate hydrogels is caused by the deacetylation reaction of cellulose acetate.
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Affiliation(s)
- Lijie Jiang
- National-Provincial Joint Engineering Research Center of Electromechanical Product Packaging, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China
| | - Xingyu Huang
- Key Laboratory of Recycling and Eco-Treatment of Waste Biomass of Zhejiang Province, Zhejiang University of Science and Technology, Hangzhou 310023, China
| | - Chaochao Tian
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yidan Zhong
- National-Provincial Joint Engineering Research Center of Electromechanical Product Packaging, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China
| | - Ming Yan
- National-Provincial Joint Engineering Research Center of Electromechanical Product Packaging, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China
| | - Chen Miao
- National-Provincial Joint Engineering Research Center of Electromechanical Product Packaging, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China
| | - Ting Wu
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Key Lab of Biomass Energy and Material of Jiangsu Province, Nanjing 210042, China
| | - Xiaofan Zhou
- National-Provincial Joint Engineering Research Center of Electromechanical Product Packaging, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China
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Andanje MN, Mwangi JW, Mose BR, Carrara S. Biocompatible and Biodegradable 3D Printing from Bioplastics: A Review. Polymers (Basel) 2023; 15:polym15102355. [PMID: 37242930 DOI: 10.3390/polym15102355] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/05/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
There has been a lot of interest in developing and producing biodegradable polymers to address the current environmental problem caused by the continued usage of synthetic polymers derived from petroleum products. Bioplastics have been identified as a possible alternative to the use of conventional plastics since they are biodegradable and/or derived from renewable resources. Additive manufacturing, also referred to as 3D printing, is a field of growing interest and can contribute towards a sustainable and circular economy. The manufacturing technology also provides a wide material selection with design flexibility increasing its usage in the manufacture of parts from bioplastics. With this material flexibility, efforts have been directed towards developing 3D printing filaments from bioplastics such as Poly (lactic acid) to substitute the common fossil- based conventional plastic filaments such as Acrylonitrile butadiene styrene. Plant biomass is now utilized in the development of biocomposite materials. A lot of literature presents work done toward improving the biodegradability of printing filaments. However, additive manufacture of biocomposites from plant biomass is faced with printing challenges such as warping, low agglomeration between layers and poor mechanical properties of the printed parts. The aim of this paper is to review the technology of 3D printing using bioplastics, study the materials that have been utilized in this technology and how challenges of working with biocomposites in additive manufacture have been addressed.
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Affiliation(s)
- Maurine Naliaka Andanje
- Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - James Wamai Mwangi
- Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - Bruno Roberts Mose
- Department of Mechanical Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - Sandro Carrara
- Institute of Electrical and Micro Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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Elangwe CN, Morozkina SN, Olekhnovich RO, Polyakova VO, Krasichkov A, Yablonskiy PK, Uspenskaya MV. Pullulan-Based Hydrogels in Wound Healing and Skin Tissue Engineering Applications: A Review. Int J Mol Sci 2023; 24:ijms24054962. [PMID: 36902394 PMCID: PMC10003054 DOI: 10.3390/ijms24054962] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/24/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
Wound healing is a complex process of overlapping phases with the primary aim of the creation of new tissues and restoring their anatomical functions. Wound dressings are fabricated to protect the wound and accelerate the healing process. Biomaterials used to design dressing of wounds could be natural or synthetic as well as the combination of both materials. Polysaccharide polymers have been used to fabricate wound dressings. The applications of biopolymers, such as chitin, gelatin, pullulan, and chitosan, have greatly expanded in the biomedical field due to their non-toxic, antibacterial, biocompatible, hemostatic, and nonimmunogenic properties. Most of these polymers have been used in the form of foams, films, sponges, and fibers in drug carrier devices, skin tissue scaffolds, and wound dressings. Currently, special focus has been directed towards the fabrication of wound dressings based on synthesized hydrogels using natural polymers. The high-water retention capacity of hydrogels makes them potent candidates for wound dressings as they provide a moist environment in the wound and remove excess wound fluid, thereby accelerating wound healing. The incorporation of pullulan with different, naturally occurring polymers, such as chitosan, in wound dressings is currently attracting much attention due to the antimicrobial, antioxidant and nonimmunogenic properties. Despite the valuable properties of pullulan, it also has some limitations, such as poor mechanical properties and high cost. However, these properties are improved by blending it with different polymers. Additionally, more investigations are required to obtain pullulan derivatives with suitable properties in high quality wound dressings and tissue engineering applications. This review summarizes the properties and wound dressing applications of naturally occurring pullulan, then examines it in combination with other biocompatible polymers, such chitosan and gelatin, and discusses the facile approaches for oxidative modification of pullulan.
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Affiliation(s)
- Collins N. Elangwe
- Chemical Engineering Center, ITMO University, Kronverkskiy Prospekt, 49A, 197101 Saint-Petersburg, Russia
- Correspondence:
| | - Svetlana N. Morozkina
- Chemical Engineering Center, ITMO University, Kronverkskiy Prospekt, 49A, 197101 Saint-Petersburg, Russia
- Saint Petersburg Research Institute of Phthisiopulmonology, Ligovsky Prospekt 2-4, 191036 Saint-Petersburg, Russia
| | - Roman O. Olekhnovich
- Chemical Engineering Center, ITMO University, Kronverkskiy Prospekt, 49A, 197101 Saint-Petersburg, Russia
| | - Victoria O. Polyakova
- Saint Petersburg Research Institute of Phthisiopulmonology, Ligovsky Prospekt 2-4, 191036 Saint-Petersburg, Russia
| | - Alexander Krasichkov
- Department of Radio Engineering Systems, Electrotechnical University “LETI”, Prof. Popova Street 5F, 197022 Saint-Petersburg, Russia
| | - Piotr K. Yablonskiy
- Saint Petersburg Research Institute of Phthisiopulmonology, Ligovsky Prospekt 2-4, 191036 Saint-Petersburg, Russia
| | - Mayya V. Uspenskaya
- Chemical Engineering Center, ITMO University, Kronverkskiy Prospekt, 49A, 197101 Saint-Petersburg, Russia
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Electrospun Nanomaterials Based on Cellulose and Its Derivatives for Cell Cultures: Recent Developments and Challenges. Polymers (Basel) 2023; 15:polym15051174. [PMID: 36904415 PMCID: PMC10007370 DOI: 10.3390/polym15051174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/17/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
The development of electrospun nanofibers based on cellulose and its derivatives is an inalienable task of modern materials science branches related to biomedical engineering. The considerable compatibility with multiple cell lines and capability to form unaligned nanofibrous frameworks help reproduce the properties of natural extracellular matrix and ensure scaffold applications as cell carriers promoting substantial cell adhesion, growth, and proliferation. In this paper, we are focusing on the structural features of cellulose itself and electrospun cellulosic fibers, including fiber diameter, spacing, and alignment responsible for facilitated cell capture. The study emphasizes the role of the most frequently discussed cellulose derivatives (cellulose acetate, carboxymethylcellulose, hydroxypropyl cellulose, etc.) and composites in scaffolding and cell culturing. The key issues of the electrospinning technique in scaffold design and insufficient micromechanics assessment are discussed. Based on recent studies aiming at the fabrication of artificial 2D and 3D nanofiber matrices, the current research provides the applicability assessment of the scaffolds toward osteoblasts (hFOB line), fibroblastic (NIH/3T3, HDF, HFF-1, L929 lines), endothelial (HUVEC line), and several other cell types. Furthermore, a critical aspect of cell adhesion through the adsorption of proteins on the surfaces is touched upon.
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Yang P, Zhao J, Gong D, Jia X. Zwitterionic ammonium-sulfonato grafted cellulose for efficient thallium removal and adsorption mechanism study. Int J Biol Macromol 2023; 227:1059-1069. [PMID: 36460245 DOI: 10.1016/j.ijbiomac.2022.11.282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 11/08/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022]
Abstract
Thallium (Tl) has posed serious impacts on human being concerning increasingly serious pollution in aqueous environments. However, little information on removal method than conventional heavy metals have been available. In the present work, zwitterionic N-(3-sulfonato-1-propyl)-N,N-dimethylammonium grafted cellulose fibre (DMAE-PS) has been fabricated. The chemical component, thermal stability and surface properties of as-prepared materials are identified by FT-IR, elemental analysis, TGA, XRD, BET and SEM. DMAE-PS is shown to be very efficient for removing Tl(I) from water samples with a loading capacity of 274.7 mg (Tl(I))·g-1 (DMAE-PS), representing one of the best performances among bio-mass derived materials. The adsorption is consistent with the Freundlich model following a pseudo-second order (K2 = 4.36 × 10-4 g·mg-1·min-1, R2 = 0.999) and two-step intra-particle diffusion kinetics. The selectivity towards Tl(I) is also remarkably, 1-2 orders (distribution ratio KTl/M = 14.85-289.29) of magnitude larger than competing metals (Zn2+, Cr3+, Mn2+, Cu2+ and Cd2+). The SEM, XPS and UV-visible spectrum collectively reveal that -SO3--Tl(I) ionic interaction is probably the main driving force for specific adsorption, which shows a high stability against pH variation. The fabricated DMAE-PS is a sustainable bio-adsorbent with synthetic availability, high removing capacity and strong selectivity, therefore, potentially feasible in treatment of Tl(I) polluted environmental samples.
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Affiliation(s)
- Panpan Yang
- Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, PR China
| | - Junyi Zhao
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, No. 1799, Jimei Road, Xiamen, Fujian 361021, PR China; ZheJiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Ningbo 315830, PR China
| | - Dirong Gong
- Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, PR China.
| | - Xiaoyu Jia
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, No. 1799, Jimei Road, Xiamen, Fujian 361021, PR China; ZheJiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Ningbo 315830, PR China.
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Katiyar S, Singh D, Kumari S, Srivastava P, Mishra A. Novel strategies for designing regenerative skin products for accelerated wound healing. 3 Biotech 2022; 12:316. [PMID: 36276437 PMCID: PMC9547767 DOI: 10.1007/s13205-022-03331-y] [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: 05/05/2022] [Accepted: 08/23/2022] [Indexed: 11/01/2022] Open
Abstract
Healthy skin protects from pathogens, water loss, ultraviolet rays, and also maintains homeostasis conditions along with sensory perceptions in normal circumstances. Skin wound healing mechanism is a multi-phased biodynamic process that ultimately triggers intercellular and intracellular mechanisms. Failure to implement the normal and effective healing process may result in chronic injuries and aberrant scarring. Chronic wounds lead to substantial rising healthcare expenditure, and innovative methods to diagnose and control severe consequences are urgently needed. Skin tissue engineering (STE) has achieved several therapeutic accomplishments during the last few decades, demonstrating tremendous development. The engineered skin substitutes provide instant coverage for extensive wounds and facilitate the prevention of microbial infections and fluid loss; furthermore, they help in fighting inflammation and allow rapid neo-tissue formation. The current review primarily focused on the wound recovery and restoration process and the current conditions of STE with various advancements and complexities associated with different strategies such as cell sources, biopolymers, innovative fabrication techniques, and growth factors delivery systems.
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Affiliation(s)
- Soumya Katiyar
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005 India
| | - Divakar Singh
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005 India
| | - Shikha Kumari
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005 India
| | - Pradeep Srivastava
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005 India
| | - Abha Mishra
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005 India
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Zhu N, Meng S, Li J, Liu T, Rohani S. Fenugreek Extract-Loaded Polycaprolacton/Cellulose Acetate Nanofibrous Wound Dressings for Transplantation of Unrestricted Somatic Stem Cells: An In Vitro and In Vivo Evaluation. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Complex pathophysiology of diabetic wounds causes a delayed wound healing response. Advanced wound dressing materials that deliver biochemical cues are of particular interest in wound healing research. Here, we developed a dual-function delivery vehicle for drug and cell delivery applications
to treat diabetic wounds. The delivery system was developed via electrospinning of polycaprolacton/cellulose acetate solution containing fenugreek extract. The produced delivery vehicle was characterized using microstructural studies, cell viability assay, cytoprotection assay, cell migration
assay, In Vitro anti-inflammatory assay, free radical scavenging assay, tensile strength studies, swelling studies, and protein adsorption test. Scaffolds were then seeded with 30000 unrestricted somatic stem cells and transplanted into the rat model of excisional diabetic wound. Wound
healing assay showed that the co-delivery of fenugreek extract and unrestricted somatic stem cells led to a substantial improvement in the healing activity of electrospun dressings, as evidenced by higher wound contraction, epithelial thickness, and collagen deposition in this group compared
with other experimental groups. Gene expression analysis showed that dual-function delivery system could increase the expression level of VEGF, b-FGF, and collagen type II genes. Furthermore, the tissue expression level of IL-1β and glutathione peroxidase genes was significantly
reduced in this group compared with other groups. This study shows that the developed system may be considered as a potential treatment modality for diabetic wounds in the clinic.
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Affiliation(s)
- Na Zhu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Shuai Meng
- Department of Pharmacy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin’s Clinical Research Center for Cancer, Tianjin 300060,
People’s Republic of China
| | - Jianchun Li
- School of Pharmacy, Bengbu Medical College, Anhui Bengbu 233030, China
| | - Tianjun Liu
- Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China
| | - Saeed Rohani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran 1452365, Iran
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Zhang A, Yang Y, Zhang Q, Chen X, Jalili S. Lawsonia inermis Extract-Loaded Cellulose Acetate Nanofibrous Wound Dressings Alleviate Wound Inflammation Through PI3K/AKT/NF κB Signaling Pathway: A Preclinical Investigation. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this research, we aimed to combine the principles of herbal medicine and tissue engineering to develop a bioactive wound dressing. The nanofibrous scaffolds were produced via electrospinning of cellulose acetate/Lawsonia inermis extract (LIE) solution. The developed constructs
were studied regarding their interaction with fibroblast cells and their various physicochemical and biological properties. The wound healing potential of the prepared dressings was studied on a rat model skin wound. In vitro studies showed that cellulose acetate scaffolds loaded with
3% LIE had the highest cell protection capacity under oxidative stress and promoted the fibroblast cells proliferation. Therefore, this group was used for wound healing assay. In vivo study showed that LIE-loaded wound dressings had the highest epithelial thickness, collagen deposition,
and angiogenesis scores. Gene expression analysis showed that wounds treated with cellulose acetate/LIE wound dressings upregulated VEGF, b-FGF, and collagen type 2 genes. While, NFK-β and TNF-a genes expressions were significantly reduced by these dressings. This study implies
that local delivery of LIE via cellulose acetate scaffolds can alleviate inflammation and increase the expression of pro-healing genes.
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Affiliation(s)
- Aihui Zhang
- Department of Thoracic Surgery, Xi’an Children’s Hospital, Xi’an, 710003, China
| | - Ye Yang
- Department of Thoracic Surgery, Xi’an Children’s Hospital, Xi’an, 710003, China
| | - Qiang Zhang
- Department of Thoracic Surgery, Xi’an Children’s Hospital, Xi’an, 710003, China
| | - Xiaofeng Chen
- Department of Thoracic Surgery, Xi’an Children’s Hospital, Xi’an, 710003, China
| | - Saman Jalili
- Department of Biomaterials Science and Technology, Isfahan University of Technology, Isfahan, 548987, Iran
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10
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Fan Y, Zhi Y, He M, Ahmadzadeh B, Rohani S. Cellulose acetate/Plerixafor wound dressings for transplantation of menstrual blood stem cells: Potential treatment modality for diabetic wounds. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Electrospun Polysaccharides for Periodontal Tissue Engineering: A Review of Recent Advances and Future Perspectives. Ann Biomed Eng 2022; 50:769-793. [DOI: 10.1007/s10439-022-02952-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 03/16/2022] [Indexed: 12/18/2022]
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Su H, Li H, Lin H, Shi X, Du Y, Luo Y, Deng H. Highly sensitive formaldehyde sensors based on CuO/ZnO composite nanofibrous mats using porous cellulose acetate fibers as templates. Int J Biol Macromol 2022; 206:653-660. [PMID: 35240217 DOI: 10.1016/j.ijbiomac.2022.02.167] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/19/2022] [Accepted: 02/25/2022] [Indexed: 01/10/2023]
Abstract
An innovative formaldehyde sensor based on CuO/ZnO composite nanofibrous mats (C-NFMs) coated quartz crystal microbalance (QCM), which is capable of stable determination of formaldehyde gas at ambient temperatures sensitively and selectively, has been successfully fabricated. Triaxial and highly porous C-NFMs with high surface area (126.53 m2 g-1) were synthesized by electrospinning a sol-gel cellulose acetate (CA)/CuAc2/ZnAc2 complex solution and following by calcination process. Benefiting from the unique heterojunction structure, immense pore interconnectivity and large surface area of C-NFMs, the as-developed QCM sensors exhibited an extremely low limit of detection (LOD) down to 26 ppb and a limit of quantification value equals to 87 ppb. Besides, the C-NFMs coated QCM sensors also demonstrated short response times (80s), the long-term stability during 3 weeks as well as good selectivity to formaldehyde over diverse volatile organic compounds. The sorption equilibrium in the adsorption process of QCM coated sensors was well met with the Freundlich model, which certified the heterogeneous adsorption between formaldehyde gas and C-NFMs.
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Affiliation(s)
- Huiyu Su
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Hao Li
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Heng Lin
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Xiaowen Shi
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Yumin Du
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Yan Luo
- Shenzhen Institute of Quality & Safety Inspection and Research, Shenzhen 518000, China.
| | - Hongbing Deng
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China; Shenzhen Research Institute, Wuhan University, Shenzhen 518063, China.
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Bioactive Cellulose Acetate Electrospun Mats as Scaffolds for Bone Tissue Regeneration. Int J Biomater 2022; 2022:3255039. [PMID: 35154326 PMCID: PMC8837436 DOI: 10.1155/2022/3255039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 12/28/2022] Open
Abstract
In the last decades, cell-based approaches for bone tissue engineering (BTE) have relied on using models that cannot replicate the complexity of the bone microenvironment. There is an ongoing amount of research on scaffold development responding to the need for feasible materials that can mimic the bone extracellular matrix (ECM) and aid bone tissue regeneration (BTR). In this work, a porous cellulose acetate (CA) fiber mat was developed using the electrospinning technique and the mats were chemically modified to bioactivate their surface and promote osteoconduction and osteoinduction. The mats were characterized using FTIR and SEM/EDS to validate the chemical modifications and assess their structural integrity. By coupling adhesive peptides KRSR, RGD, and growth factor BMP-2, the fiber mats were bioactivated, and their induced biological responses were evaluated by employing immunocytochemical (ICC) techniques to study the adhesion, proliferation, and differentiation of premature osteoblast cells (hFOB 1.19). The biological assessment revealed that at short culturing periods of 48 hours and 7 days, the presence of the peptides was significant for proliferation and adhesion, whereas at longer culture times of 14 days, it had no significant effect on differentiation and maturation of the osteogenic progenitor cells. Based on the obtained results, it is thus concluded that the CA porous fiber mats provide a promising surface morphology that is both biocompatible and can be rendered bioactive upon the addition of osteogenic peptides to favor osteoconduction leading to new tissue formation.
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Acrylonitrile and Pullulan Based Nanofiber Mats as Easily Accessible Scaffolds for 3D Skin Cell Models Containing Primary Cells. Cells 2022; 11:cells11030445. [PMID: 35159255 PMCID: PMC8834075 DOI: 10.3390/cells11030445] [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: 12/20/2021] [Revised: 01/19/2022] [Accepted: 01/25/2022] [Indexed: 11/29/2022] Open
Abstract
(1) Background: Three-dimensional (3D) collagen I-based skin models are commonly used in drug development and substance testing but have major drawbacks such as batch-to-batch variations and ethical concerns. Recently, synthetic nanofibrous scaffolds created by electrospinning have received increasing interest as potential alternatives due to their morphological similarities to native collagen fibrils in size and orientation. The overall objective of this proof-of-concept study was to demonstrate the suitability of two synthetic polymers in creating electrospun scaffolds for 3D skin cell models. (2) Methods: Electrospun nanofiber mats were produced with (i) poly(acrylonitrile-co-methyl acrylate) (P(AN-MA)) and (ii) a blend of pullulan (Pul), poly(vinyl alcohol) (PVA) and poly(acrylic acid) (PAA) (Pul/PVA/PAA) and characterized by scanning electron microscopy (SEM) and diffuse reflectance infrared Fourier transform (DRIFT) spectra. Primary skin fibroblasts and keratinocytes were seeded onto the nanofiber mats and analyzed for phenotypic characteristics (phalloidin staining), viability (Presto Blue HS assay), proliferation (Ki-67 staining), distribution (H/E staining), responsiveness to biological stimuli (qPCR), and formation of skin-like structures (H/E staining). (3) Results: P(AN-MA) mats were more loosely packed than the Pul/PVA/PAA mats, concomitant with larger fiber diameter (340 nm ± 120 nm vs. 250 nm ± 120 nm, p < 0.0001). After sterilization and exposure to cell culture media for 28 days, P(AN-MA) mats showed significant adsorption of fetal calf serum (FCS) from the media into the fibers (DRIFT spectra) and increased fiber diameter (590 nm ± 290 nm, p < 0.0001). Skin fibroblasts were viable over time on both nanofiber mats, but suitable cell infiltration only occurred in the P(AN-MA) nanofiber mats. On P(AN-MA) mats, fibroblasts showed their characteristic spindle-like shape, produced a dermis-like structure, and responded well to TGFβ stimulation, with a significant increase in the mRNA expression of PAI1, COL1A1, and αSMA (all p < 0.05). Primary keratinocytes seeded on top of the dermis equivalent proliferated and formed a stratified epidermis-like structure. (4) Conclusion: P(AN-MA) and Pul/PVA/PAA are both biocompatible materials suitable for nanofiber mat production. P(AN-MA) mats hold greater potential as future 3D skin models due to enhanced cell compatibility (i.e., adsorption of FCS proteins), cell infiltration (i.e., increased pore size due to swelling behavior), and cell phenotype preservation. Thus, our proof-of-concept study shows an easy and robust process of producing electrospun scaffolds for 3D skin cell models made of P(AN-MA) nanofibers without the need for bioactive molecule attachments.
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Ma J, Zhang Z, Wang Y, Shen H. Investigation of miR-126-3p loaded on adipose stem cell-derived exosomes for wound healing of full-thickness skin defects. Exp Dermatol 2021; 31:362-374. [PMID: 34694648 DOI: 10.1111/exd.14480] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 09/01/2021] [Accepted: 10/16/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To investigate the function of miR-126-3p loaded on adipose stem cell (ADSC)-derived exosomes (ADSC-Exos) in wound healing of full-thickness skin defects. METHODS ADSCs transfected with miR-126-3p mimic, miR-126-3p inhibitor or pcDNA3.1-PIK3R2, or PKH26-marked ADSC-Exos were cultured with fibroblasts or human umbilical vein endothelial cells (HUVECs). The proliferation and migration rates of fibroblasts and angiogenesis of HUVECs were measured. Rats with full-thickness skin defects were injected with ADSC-Exos or exosomes extracted from ADSCs transfected with miR-126-3p inhibitor and the wound healing rates were measured. The wound bed, collagen deposition and angiogenesis in injured rats were assessed. RESULTS ADSC-Exos could be ingested by fibroblasts and HUVECs. Co-incubation with ADSCs or ADSC-Exos promoted the proliferation and migration of fibroblasts and angiogenesis of HUVECs, which was further enhanced by miR-126-3p overexpression. Inhibition of ADSC-Exos or miR-126-3p or PIK3R2 overexpression suppressed the proliferation and migration of fibroblasts and angiogenesis of HUVECs. ADSC-derived exosomal miR-126-3p increased wound healing rate, collagen deposition and newly formed vessels in injured rats. CONCLUSION ADSC-derived exosomal miR-126-3p promotes wound healing of full-thickness skin defects by targeting PIK3R2.
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Affiliation(s)
- Jie Ma
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
| | - Zhaofeng Zhang
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
| | - Yinmin Wang
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
| | - Hua Shen
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
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Barazesh A, Navidbakhsh M, Abouei Mehrizi A, Koosha M, Razavi Bazaz S, Li T. Simultaneous Modeling of Young's Modulus, Yield Stress, and Rupture Strain of Gelatin/Cellulose Acetate Microfibrous/Nanofibrous Scaffolds Using RSM. Front Bioeng Biotechnol 2021; 9:718718. [PMID: 34589472 PMCID: PMC8473815 DOI: 10.3389/fbioe.2021.718718] [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: 06/01/2021] [Accepted: 08/16/2021] [Indexed: 11/17/2022] Open
Abstract
Electrospinning is a promising method to fabricate bioengineered scaffolds, thanks to utilizing various types of biopolymers, flexible structures, and also the diversity of output properties. Mechanical properties are one of the major components of scaffold design to fabricate an efficacious artificial substitute for the natural extracellular matrix. Additionally, fiber orientations, as one of the scaffold structural parameters, could play a crucial role in the application of fabricated fibrous scaffolds. In this study, gelatin was used as a highly biocompatible polymer in blend with cellulose acetate (CA), a polysaccharide, to enhance the achievable range of mechanical characteristics to fabricated fibrous electrospun scaffolds. By altering input variables, such as polymers concentration, weight ratio, and mandrel rotation speed, scaffolds with various mechanical and morphological properties could be achieved. As expected, the electrospun scaffold with a higher mandrel rotation speed shows higher fiber alignment. A wide range of mechanical properties were gained through different values of polymer ratio and total concentration. A general improvement in mechanical strength was observed by increasing the concentration and CA content in the solution, but contradictory effects, such as high viscosity in more concentrated solutions, influenced the mechanical characteristics as well. A response surface method was applied on experimental results in order to describe a continuous variation of Young's modulus, yield stress, and strain at rupture. A full quadratic version of equations with the 95% confidence level was applied for the response modeling. This model would be an aid for engineers to adjust mandrel rotation speed, solution concentration, and gelatin/CA ratio to achieve desired mechanical and structural properties.
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Affiliation(s)
- Alireza Barazesh
- Tissue Engineering and Biological Systems Research Laboratory, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Mahdi Navidbakhsh
- Tissue Engineering and Biological Systems Research Laboratory, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Ali Abouei Mehrizi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Mojtaba Koosha
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Sajad Razavi Bazaz
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW, Australia
| | - Tianduo Li
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
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Zamel D, Khan AU. Bacterial immobilization on cellulose acetate based nanofibers for methylene blue removal from wastewater: Mini-review. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108766] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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18
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Recent Advances in Cellulose-Based Structures as the Wound-Healing Biomaterials: A Clinically Oriented Review. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11177769] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Application of wound-healing/dressing biomaterials is amongst the most promising approaches for wound repair through protection from pathogen invasion/contamination, maintaining moisture, absorbing exudates, modulating inflammation, and facilitating the healing process. A wide range of materials are used to fabricate wound-healing/dressing biomaterials. Active wound-healing/dressings are next-generation alternatives for passive biomaterials, which provide a physical barrier and induce different biological activities, such as antibacterial, antioxidant, and proliferative effects. Cellulose-based biomaterials are particularly promising due to their tunable physical, chemical, mechanical, and biological properties, accessibility, low cost, and biocompatibility. A thorough description and analysis of wound-healing/dressing structures fabricated from cellulose-based biomaterials is discussed in this review. We emphasize and highlight the fabrication methods, applied bioactive molecules, and discuss the obtained results from in vitro and in vivo models of cellulose-based wound-healing biomaterials. This review paper revealed that cellulose-based biomaterials have promising potential as the wound-dressing/healing materials and can be integrated with various bioactive agents. Overall, cellulose-based biomaterials are shown to be effective and sophisticated structures for delivery applications, safe and multi-customizable dressings, or grafts for wound-healing applications.
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Hurtuková K, Fajstavrová K, Rimpelová S, Vokatá B, Fajstavr D, Kasálková NS, Siegel J, Švorčík V, Slepička P. Antibacterial Properties of a Honeycomb-like Pattern with Cellulose Acetate and Silver Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4051. [PMID: 34300969 PMCID: PMC8306805 DOI: 10.3390/ma14144051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 12/03/2022]
Abstract
This study involved the preparation and characterization of structures with a honeycomb-like pattern (HCP) formed using the phase separation method using a solution mixture of chloroform and methanol together with cellulose acetate. Fluorinated ethylene propylene modified by plasma treatment was used as a suitable substrate for the formation of the HCP structures. Further, we modified the HCP structures using silver sputtering (discontinuous Ag nanoparticles) or by adding Ag nanoparticles in PEG into the cellulose acetate solution. The material morphology was then determined using atomic force microscopy (AFM) and scanning electron microscopy (SEM), while the material surface chemistry was studied using energy dispersive spectroscopy (EDS) and wettability was analyzed with goniometry. The AFM and SEM results revealed that the surface morphology of pristine HCP with hexagonal pores changed after additional sample modification with Ag, both via the addition of nanoparticles and sputtering, accompanied with an increase in the roughness of the PEG-doped samples, which was caused by the high molecular weight of PEG and its gel-like structure. The highest amount (approx. 25 at %) of fluorine was detected using the EDS method on the sample with an HCP-like structure, while the lowest amount (0.08%) was measured on the PEG + Ag sample, which revealed the covering of the substrate with biopolymer (the greater fluorine extent means more of the fluorinated substrate is exposed). As expected, the thickness of the Ag layer on the HCP surface depended on the length of sputtering (either 150 s or 500 s). The sputtering times for Ag (150 s and 500 s) corresponded to layers with heights of about 8 nm (3.9 at % of Ag) and 22 nm (10.8 at % of Ag), respectively. In addition, we evaluated the antibacterial potential of the prepared substrate using two bacterial strains, one Gram-positive of S. epidermidis and one Gram-negative of E. coli. The most effective method for the construction of antibacterial surfaces was determined to be sputtering (150 s) of a silver nanolayer onto a HCP-like cellulose structure, which proved to have excellent antibacterial properties against both G+ and G- bacterial strains.
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Affiliation(s)
- Klaudia Hurtuková
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Klára Fajstavrová
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic;
| | - Barbora Vokatá
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic;
| | - Dominik Fajstavr
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Nikola Slepičková Kasálková
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Jakub Siegel
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Václav Švorčík
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Petr Slepička
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
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20
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Saini SS, Fagan SB, Tonel MZ. A novel and green extraction strategy for sensitive determination of phthalates in aqueous samples: Analytical and computational studies. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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21
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Su Y, Toftdal MS, Le Friec A, Dong M, Han X, Chen M. 3D Electrospun Synthetic Extracellular Matrix for Tissue Regeneration. SMALL SCIENCE 2021. [DOI: 10.1002/smsc.202100003] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Yingchun Su
- State Key Laboratory of Urban Water Resource and Environment School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
- Department of Biological and Chemical Engineering Aarhus University DK-8000 Aarhus C Denmark
- Interdisciplinary Nanoscience Center (iNANO) Aarhus University DK-8000 Aarhus C Denmark
| | - Mette Steen Toftdal
- Department of Biological and Chemical Engineering Aarhus University DK-8000 Aarhus C Denmark
- Stem Cell Delivery and Pharmacology Novo Nordisk A/S DK-2760 Måløv Denmark
| | - Alice Le Friec
- Department of Biological and Chemical Engineering Aarhus University DK-8000 Aarhus C Denmark
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center (iNANO) Aarhus University DK-8000 Aarhus C Denmark
| | - Xiaojun Han
- State Key Laboratory of Urban Water Resource and Environment School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
| | - Menglin Chen
- Department of Biological and Chemical Engineering Aarhus University DK-8000 Aarhus C Denmark
- Interdisciplinary Nanoscience Center (iNANO) Aarhus University DK-8000 Aarhus C Denmark
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22
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Nuge T, Liu X, Tshai KY, Lim SS, Nordin N, Hoque ME, Liu Z. Accelerated wound closure: Systematic evaluation of cellulose acetate effects on biologically active molecules release from amniotic fluid stem cells. Biotechnol Appl Biochem 2021; 69:906-919. [PMID: 33826152 DOI: 10.1002/bab.2162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 03/26/2021] [Indexed: 01/07/2023]
Abstract
Despite a lot of intensive research on cell-scaffold interaction, the focus is mainly on the capacity of construct scaffolds to regulate cell mobility, migration, and cytotoxicity. The effect of the scaffold's topographical and material properties on the expression of biologically active compounds from stem cells is not well understood. In this study, the influence of cellulose acetate (CA) on the electrospinnability of gelatin and the roles of gelatin-cellulose acetate (Ge-CA) on modulating the release of biologically active compounds from amniotic fluid stem cells (AFSCs) is emphasized. It was found that the presence of a small amount of CA could provide a better microenvironment that mimics AFSCs' niche. However, a large amount of CA exhibited no significant effect on AFSCs migration and infiltration. Further study on the effect of surface topography and mechanical properties on AFSCs showed that the tailored microenvironment provided by the Ge-CA scaffolds had transduced physical cues to biomolecules released into the culture media. It was found that the AFSCs seeded on electrospun scaffolds with less CA proportions have profound effects on the secretion of metabolic compounds compared to those with higher CA contained and gelatin coating. The enhanced secretion of biologically active molecules by the AFSCs on the electrospun scaffolds was proven by the accelerated wound closure on the injured human dermal fibroblast (HDF) model. The rapid HDF cell migration could be anticipated due to a higher level of paracrine factors in AFSCs media. Our study demonstrates that the fibrous topography and mechanical properties of the scaffold are a key material property that modulates the high expression of biologically active compounds from the AFSCs. The discovery elucidates a new aspect of material functions and scaffolds material-AFSC interaction for regulating biomolecules release to promote tissue regeneration/repair. To the best of our knowledge, this is the first report describing the scaffolds material-AFSC interaction and the efficacy of scratch assays on quantifying the cell migration in response to the AFSCs metabolic products.
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Affiliation(s)
- Tamrin Nuge
- Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China
| | - Xiaoling Liu
- Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China
| | - Kim Yeow Tshai
- Faculty of Science and Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Malaysia
| | - Siew Shee Lim
- Faculty of Science and Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Malaysia
| | - Norshariza Nordin
- Faculty of Medicine and Health Sciences, University Putra Malaysia, Serdang, Malaysia
| | - Md Enamul Hoque
- Department of Biomedical Engineering, Military Institute of Science and Technology, Dhaka, Bangladesh
| | - Ziqian Liu
- Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China
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23
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Akolpoğlu Başaran DD, Gündüz U, Tezcaner A, Keskin D. Topical delivery of heparin from PLGA nanoparticles entrapped in nanofibers of sericin/gelatin scaffolds for wound healing. Int J Pharm 2021; 597:120207. [PMID: 33524526 DOI: 10.1016/j.ijpharm.2021.120207] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/01/2021] [Accepted: 01/02/2021] [Indexed: 02/08/2023]
Abstract
Skin regeneration is one of the most important issues in tissue engineering. Research on more effective biomaterials that will enhance regeneration while enabling requirements of a healing skin site is an important challenge in skin tissue engineering. In this study, heparin was encapsulated in Poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) which were then incorporated into Sericin/Gelatin (Ser/Gel) nanofibers during the electrospinning process in order to develop a combined system that has controlled release approach, besides the ability to help the regeneration of skin tissue by the involvement of biopolymers; gelatin, and sericin. The loading capacity and heparin encapsulation efficiency in the nanoparticles were determined as 30.04 mg/g of polymer and 60%, respectively. Cumulative release of heparin from NPs for 1 week was faster than from NPs loaded gelatin scaffolds and from dual protein (Ser/Gel) scaffolds with ratios: 1/7 and 1/2 (approximately 85%, 65%, 55%, and 40%, respectively). Sericin addition slowed down the degradation properties of the scaffold. The scaffold having a Ser/Gel ratio (1/2) was found as the most promising candidate because of its proper fiber morphology, high water retention, and low degradation degree.
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Affiliation(s)
| | - Ufuk Gündüz
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey; Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Ayşen Tezcaner
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey; Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey; BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering Research Center, Middle East Technical University, Ankara, Turkey
| | - Dilek Keskin
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey; Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey; BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering Research Center, Middle East Technical University, Ankara, Turkey.
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24
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dos Santos AEA, dos Santos FV, Freitas KM, Pimenta LPS, de Oliveira Andrade L, Marinho TA, de Avelar GF, da Silva AB, Ferreira RV. Cellulose acetate nanofibers loaded with crude annatto extract: Preparation, characterization, and in vivo evaluation for potential wound healing applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 118:111322. [DOI: 10.1016/j.msec.2020.111322] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 05/30/2020] [Accepted: 07/20/2020] [Indexed: 12/22/2022]
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Tortorella S, Vetri Buratti V, Maturi M, Sambri L, Comes Franchini M, Locatelli E. Surface-Modified Nanocellulose for Application in Biomedical Engineering and Nanomedicine: A Review. Int J Nanomedicine 2020; 15:9909-9937. [PMID: 33335392 PMCID: PMC7737557 DOI: 10.2147/ijn.s266103] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 08/07/2020] [Indexed: 01/22/2023] Open
Abstract
Presently, a plenty of concerns related to the environment are due to the overuse of petroleum-based chemicals and products; the synthesis of functional materials, starting from the natural sources, is the current trend in research. The interest for nanocellulose has recently increased in a huge range of fields, from the material science to the biomedical engineering. Nanocellulose gained this leading role because of several reasons: its natural abundance on this planet, the excellent mechanical and optical features, the good biocompatibility and the attractive capability of undergoing surface chemical modifications. Nanocellulose surface tuning techniques are adopted by the high reactivity of the hydroxyl groups available; the chemical modifications are mainly performed to introduce either charged or hydrophobic moieties that include amination, esterification, oxidation, silylation, carboxymethylation, epoxidation, sulfonation, thiol- and azido-functional capability. Despite the several already published papers regarding nanocellulose, the aim of this review involves discussing the surface chemical functional capability of nanocellulose and the subsequent applications in the main areas of nanocellulose research, such as drug delivery, biosensing/bioimaging, tissue regeneration and bioprinting, according to these modifications. The final goal of this review is to provide a novel and unusual overview on this topic that is continuously under expansion for its intrinsic sophisticated properties.
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Affiliation(s)
- Silvia Tortorella
- Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna40136, Italy
| | - Veronica Vetri Buratti
- Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna40136, Italy
| | - Mirko Maturi
- Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna40136, Italy
| | - Letizia Sambri
- Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna40136, Italy
| | - Mauro Comes Franchini
- Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna40136, Italy
| | - Erica Locatelli
- Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum – University of Bologna, Bologna40136, Italy
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26
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Izadyari Aghmiuni A, Heidari Keshel S, Sefat F, AkbarzadehKhiyavi A. Fabrication of 3D hybrid scaffold by combination technique of electrospinning-like and freeze-drying to create mechanotransduction signals and mimic extracellular matrix function of skin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 120:111752. [PMID: 33545893 DOI: 10.1016/j.msec.2020.111752] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 10/16/2020] [Accepted: 11/21/2020] [Indexed: 12/15/2022]
Abstract
Fabrication of extracellular matrix (ECM)-like scaffolds (in terms of structural-functional) is the main challenge in skin tissue engineering. Herein, inspired by macromolecular components of ECM, a novel hybrid scaffold suggested which includes silk/hyaluronan (SF/HA) bio-complex modified by PCP: [polyethylene glycol/chitosan/poly(ɛ-caprolactone)] copolymer containing collagen to differentiate human-adipose-derived stem cells into keratinocytes. In followed by, different weight ratios (wt%) of SF/HA (S1:100/0, S2:80/20, S3:50/50) were applied to study the role of SF/HA in the improvement of physicochemical and biological functions of scaffolds. Notably, the combination of electrospinning-like and freeze-drying methods was also utilized as a new method to create a coherent 3D-network. The results indicated this novel technique was led to ~8% improvement of the scaffold's ductility and ~17% decrease in mean pore diameter, compared to the freeze-drying method. Moreover, the increase of HA (>20wt%) increased porosity to 99%, however, higher tensile strength, modulus, and water absorption% were related to S2 (38.1, 0.32 MPa, 75.3%). More expression of keratinocytes along with growth pattern similar to skin was also observed on S2. This study showed control of HA content creates a microporous-environment with proper modulus and swelling%, although, the role of collagen/PCP as base biocomposite and fabrication technique was undeniable on the inductive signaling of cells. Such a scaffold can mimic skin properties and act as the growth factor through inducing keratinocytes differentiation.
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Affiliation(s)
| | - S Heidari Keshel
- Medical Nanotechnology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Farshid Sefat
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford, UK; Interdisciplinary Research Centre in Polymer Science & Technology (IRC Polymer), University of Bradford, Bradford, UK
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Singh RS, Kaur N, Hassan M, Kennedy JF. Pullulan in biomedical research and development - A review. Int J Biol Macromol 2020; 166:694-706. [PMID: 33137388 DOI: 10.1016/j.ijbiomac.2020.10.227] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 10/28/2020] [Indexed: 12/14/2022]
Abstract
Pullulan is an imperative microbial exo-polymer commercially produced by yeast like fungus Aureobasidium pullulans. Its structure contains maltosyl repeating units which comprises two α-(1 → 4) linked glucopyranose rings attached to one glucopyranose ring through α-(1 → 6) glycosidic bond. The co-existence of α-(1 → 6) and α-(1 → 4) glycosidic linkages endows distinctive physico-chemical properties to pullulan. It is highly biocompatible, non-toxic and non-carcinogenic in nature. It is extremely resistant to any mutagenicity or immunogenicity. The unique properties of pullulan make it a potent candidate for biomedical applications viz. drug delivery, gene delivery, tissue engineering, molecular chaperon, plasma expander, vaccination, etc. This review highlights the potential of pullulan in biomedical research and development.
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Affiliation(s)
- Ram Sarup Singh
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala 147 002, Punjab, India.
| | - Navpreet Kaur
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala 147 002, Punjab, India
| | - Muhammad Hassan
- US-Pakistan Center for Advanced Studies in Energy, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - John F Kennedy
- Chembiotech Laboratories, Advanced Science and Technology Institute, 5 The Croft, Buntsford Drive, Stoke Heath, Bromsgrove, Worcs B60 4JE, UK
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Biomimetic algal polysaccharide coated 3D nanofibrous scaffolds promote skin extracellular matrix formation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111580. [PMID: 33321626 DOI: 10.1016/j.msec.2020.111580] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/15/2020] [Accepted: 09/25/2020] [Indexed: 12/23/2022]
Abstract
Development of functional biological substitutes for skin tissue engineering applications has observed several advancements over the past few decades. In this regard, intelligent extracellular matrix (ECM) mimetic scaffolds have recently evolved as a promising paradigm by presenting instructive cues directing cell-matrix communication, tissue remodeling and homeostasis. However, orchestring multitude attributes of skin ECM yet presents an intriguing challenge to be addressed. In the present work, we have developed an in vitro skin scaffold by coating a bio-mimetic ECM cue κ-carrageenan on electrospun nanofibers for the first time. κ-Carrageenan, a natural sulfated algal polysaccharide exhibits close similarity with native glucosaminoglycans (GAGs) of skin ECM. On the other hand, electrospun nanofibers resemble the 3D nano-topographic architecture of ECM. In the coated form, κ-carrageenan could provide the biochemical cues necessary for cellular functions on the nanofibrous scaffold, thereby mimicking the native 3D microenvironment of skin ECM. The nano-architecture of the electrospun matrix is retained in the fabricated scaffold even after coating with κ-carrageenan. The developed biomimetic scaffold significantly supplements adhesion, growth, infiltration, survival and proliferation of fibroblasts. Furthermore, enhanced gene expression and excessive secretion of collagen proteins by fibroblasts communicate a conducive skin ECM micro-environment formation on the algal polysaccharide coated nanofibrous scaffold. Taken together, these findings present a simple yet effective strategy for the fabrication of ECM mimetic scaffold for promising skin tissue engineering applications.
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Khalil HPSA, Jummaat F, Yahya EB, Olaiya NG, Adnan AS, Abdat M, N. A. M. N, Halim AS, Kumar USU, Bairwan R, Suriani AB. A Review on Micro- to Nanocellulose Biopolymer Scaffold Forming for Tissue Engineering Applications. Polymers (Basel) 2020; 12:E2043. [PMID: 32911705 PMCID: PMC7565330 DOI: 10.3390/polym12092043] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/03/2020] [Accepted: 09/05/2020] [Indexed: 12/13/2022] Open
Abstract
Biopolymers have been used as a replacement material for synthetic polymers in scaffold forming due to its biocompatibility and nontoxic properties. Production of scaffold for tissue repair is a major part of tissue engineering. Tissue engineering techniques for scaffold forming with cellulose-based material is at the forefront of present-day research. Micro- and nanocellulose-based materials are at the forefront of scientific development in the areas of biomedical engineering. Cellulose in scaffold forming has attracted a lot of attention because of its availability and toxicity properties. The discovery of nanocellulose has further improved the usability of cellulose as a reinforcement in biopolymers intended for scaffold fabrication. Its unique physical, chemical, mechanical, and biological properties offer some important advantages over synthetic polymer materials. This review presents a critical overview of micro- and nanoscale cellulose-based materials used for scaffold preparation. It also analyses the relationship between the method of fabrication and properties of the fabricated scaffold. The review concludes with future potential research on cellulose micro- and nano-based scaffolds. The review provides an up-to-date summary of the status and future prospective applications of micro- and nanocellulose-based scaffolds for tissue engineering.
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Affiliation(s)
- H. P. S. Abdul Khalil
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (N.G.O.); (U.S.U.K.)
| | - Fauziah Jummaat
- Management Science University Medical Centre, University Drive, Off Persiaran Olahraga, Section 13, Shah Alam 40100, Selangor, Malaysia;
| | - Esam Bashir Yahya
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (N.G.O.); (U.S.U.K.)
| | - N. G. Olaiya
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (N.G.O.); (U.S.U.K.)
| | - A. S. Adnan
- Management Science University Medical Centre, University Drive, Off Persiaran Olahraga, Section 13, Shah Alam 40100, Selangor, Malaysia;
- CKD Resource Centre, School of Medical Sciences, Health Campus, USM, Kubang Kerian 16150, Kelantan, Malaysia
| | - Munifah Abdat
- Faculty of Medicine, Universitas Syiah Kuala, Banda Aceh 23311, Indonesia;
| | - Nasir N. A. M.
- Reconstructive Sciences Unit, School of Medical Sciences, Health Campus USM, Kubang Kerian 16150, Kelantan, Malaysia; (N.N.A.M.); (A.S.H.)
| | - Ahmad Sukari Halim
- Reconstructive Sciences Unit, School of Medical Sciences, Health Campus USM, Kubang Kerian 16150, Kelantan, Malaysia; (N.N.A.M.); (A.S.H.)
| | - U. Seeta Uthaya Kumar
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (N.G.O.); (U.S.U.K.)
| | - Rahul Bairwan
- Department of Aeronautical engineering, School of Aeronautics, Neemrana 301705, Rajasthan, India;
| | - A. B. Suriani
- Nanotechnology Research Centre, Faculty of Science and Mathematics, UPSI, Tanjung Malim 35900, Perak, Malaysia;
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Electrospun fibers based on carbohydrate gum polymers and their multifaceted applications. Carbohydr Polym 2020; 247:116705. [PMID: 32829833 DOI: 10.1016/j.carbpol.2020.116705] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/12/2020] [Accepted: 06/28/2020] [Indexed: 12/29/2022]
Abstract
Electrospinning has garnered significant attention in view of its many advantages such as feasibility for various polymers, scalability required for mass production, and ease of processing. Extensive studies have been devoted to the use of electrospinning to fabricate various electrospun nanofibers derived from carbohydrate gum polymers in combination with synthetic polymers and/or additives of inorganic or organic materials with gums. In view of the versatility and the widespread choice of precursors that can be deployed for electrospinning, various gums from both, the plants and microbial-based gum carbohydrates are holistically and/or partially included in the electrospinning solution for the preparation of functional composite nanofibers. Moreover, our strategy encompasses a combination of natural gums with other polymers/inorganic or nanoparticles to ensue distinct properties. This early established milestone in functional carbohydrate gum polymer-based composite nanofibers may be deployed by specialized researchers in the field of nanoscience and technology, and especially for exploiting electrospinning of natural gums composites for diverse applications.
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Gao F, Jiang M, Liang W, Fang X, Bai F, Zhou Y, Lang M. Co‐electrospun cellulose diacetate‐graft‐poly(ethylene terephthalate) and collagen composite nanofibrous mats for cells culture. J Appl Polym Sci 2020. [DOI: 10.1002/app.49350] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Feifei Gao
- Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai People's Republic of China
| | - Mingli Jiang
- State Key Laboratory of Bioreactor Engineering, School of biotechnologyEast China University of Science and Technology Shanghai People's Republic of China
| | - Wencheng Liang
- Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai People's Republic of China
| | - Xiangchen Fang
- Fushun Research Institute of Petroleum and PetrochemicalsSINOPEC Liaoning People's Republic of China
| | - Fudong Bai
- Fushun Research Institute of Petroleum and PetrochemicalsSINOPEC Liaoning People's Republic of China
| | - Yan Zhou
- State Key Laboratory of Bioreactor Engineering, School of biotechnologyEast China University of Science and Technology Shanghai People's Republic of China
| | - Meidong Lang
- Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai People's Republic of China
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Weishaupt R, Zünd JN, Heuberger L, Zuber F, Faccio G, Robotti F, Ferrari A, Fortunato G, Ren Q, Maniura‐Weber K, Guex AG. Antibacterial, Cytocompatible, Sustainably Sourced: Cellulose Membranes with Bifunctional Peptides for Advanced Wound Dressings. Adv Healthc Mater 2020; 9:e1901850. [PMID: 32159927 DOI: 10.1002/adhm.201901850] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/14/2020] [Accepted: 02/25/2020] [Indexed: 12/14/2022]
Abstract
Progressive antibiotic resistance is a serious condition adding to the challenges associated with skin wound treatment, and antibacterial wound dressings with alternatives to antibiotics are urgently needed. Cellulose-based membranes are increasingly considered as wound dressings, necessitating further functionalization steps. A bifunctional peptide, combining an antimicrobial peptide (AMP) and a cellulose binding peptide (CBP), is designed. AMPs affect bacteria via multiple modes of action, thereby reducing the evolutionary pressure selecting for antibiotic resistance. The bifunctional peptide is successfully immobilized on cellulose membranes of bacterial origin or electrospun fibers of plant-derived cellulose, with tight control over peptide concentrations (0.2 ± 0.1 to 4.6 ± 1.6 µg mm-2 ). With this approach, new materials with antibacterial activity against Staphylococcus aureus (log4 reduction) and Pseudomonas aeruginosa (log1 reduction) are developed. Furthermore, membranes are cytocompatible in cultures of human fibroblasts. Additionally, a cell adhesive CBP-RGD peptide is designed and immobilized on membranes, inducing a 2.2-fold increased cell spreading compared to pristine cellulose. The versatile concept provides a toolbox for the functionalization of cellulose membranes of different origins and architectures with a broad choice in peptides. Functionalization in tris-buffered saline avoids further purification steps, allowing for translational research and multiple applications outside the field of wound dressings.
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Affiliation(s)
- Ramon Weishaupt
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Janina N. Zünd
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Lukas Heuberger
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Flavia Zuber
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Greta Faccio
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Francesco Robotti
- Laboratory of Thermodynamics in Emerging TechnologiesDepartment of Mechanical and Process EngineeringETH Zurich Sonneggstrasse 3 Zurich 8092 Switzerland
| | - Aldo Ferrari
- EmpaSwiss Federal Laboratories for Material Science and TechnologiesLaboratory for Experimental Continuum Mechanics Überlandstrasse 129 Dübendorf 8600 Switzerland
| | - Giuseppino Fortunato
- EmpaSwiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biomimetic Membranes and Textiles Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Qun Ren
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Katharina Maniura‐Weber
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
| | - Anne Géraldine Guex
- Empa Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biointerfaces Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
- EmpaSwiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biomimetic Membranes and Textiles Lerchenfeldstrasse 5 St. Gallen 9014 Switzerland
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Choi HY, Bae JH, Hasegawa Y, An S, Kim IS, Lee H, Kim M. Thiol-functionalized cellulose nanofiber membranes for the effective adsorption of heavy metal ions in water. Carbohydr Polym 2020; 234:115881. [DOI: 10.1016/j.carbpol.2020.115881] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/01/2020] [Accepted: 01/13/2020] [Indexed: 01/25/2023]
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Keirouz A, Chung M, Kwon J, Fortunato G, Radacsi N. 2D and 3D electrospinning technologies for the fabrication of nanofibrous scaffolds for skin tissue engineering: A review. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1626. [DOI: 10.1002/wnan.1626] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Antonios Keirouz
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
- Empa, Swiss Federal Laboratories for Materials Science and Technology Laboratory for Biomimetic Membranes and Textiles St. Gallen Switzerland
| | - Michael Chung
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
- Empa, Swiss Federal Laboratories for Materials Science and Technology Laboratory for Biomimetic Membranes and Textiles St. Gallen Switzerland
| | - Jaehoon Kwon
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
| | - Giuseppino Fortunato
- Empa, Swiss Federal Laboratories for Materials Science and Technology Laboratory for Biomimetic Membranes and Textiles St. Gallen Switzerland
| | - Norbert Radacsi
- School of Engineering, Institute for Materials and Processes The University of Edinburgh Edinburgh UK
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Sonseca A, Sahay R, Stepien K, Bukala J, Wcislek A, McClain A, Sobolewski P, Sui X, Puskas JE, Kohn J, Wagner HD, El Fray M. Architectured helically coiled scaffolds from elastomeric poly(butylene succinate) (PBS) copolyester via wet electrospinning. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110505. [DOI: 10.1016/j.msec.2019.110505] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/25/2019] [Accepted: 11/27/2019] [Indexed: 11/28/2022]
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Novel Bacteria-Immobilized Cellulose Acetate/Poly(ethylene oxide) Nanofibrous Membrane for Wastewater Treatment. Sci Rep 2019; 9:18994. [PMID: 31831778 PMCID: PMC6908692 DOI: 10.1038/s41598-019-55265-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/05/2019] [Indexed: 12/03/2022] Open
Abstract
In this study, electrospun cellulose acetate - poly(ethylene oxide) nanofibrous membrane was found to be unique in immobilizing bacterial cells. Here, removal of methylene blue in aqueous media was achieved by using isolated species of bacteria (Bacillus paramycoides) from industrial wastewater and immobilized on cellulose acetate- poly(ethylene oxide) nanofibers using DMSO as a solvent. The decolorization time was varied from 0 to 72 h, different dye concentrations from 20 to 200 mg/L and bacterial cells count was investigated to achieve the maximum MB removal by bacteria-immobilized CA/PEO nanofibrous membrane. The effective dye decolorization was achieved within 48 h and MB removal % was around 93%. Furthermore, reusability of the bacteria-immobilized CA/PEO nanofibrous membrane was tested. It was found that after the 4th usage, 44% of the dye decolorization capacity still could be achieved. These results are promising and suggest that bacteria-immobilized CA/PEO nanofibrous membrane could be economically feasible and eco-friendly when used in MB removal from industrial wastewater. Combination of both adsorption and biodegradation methods was found to be effective in MB removal from aqueous media.
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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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A review on latest innovations in natural gums based hydrogels: Preparations & applications. Int J Biol Macromol 2019; 136:870-890. [DOI: 10.1016/j.ijbiomac.2019.06.113] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 06/13/2019] [Accepted: 06/16/2019] [Indexed: 02/03/2023]
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40
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Ignat SR, Lazăr AD, Şelaru A, Samoilă I, Vlăsceanu GM, Ioniţă M, Radu E, Dinescu S, Costache M. Versatile Biomaterial Platform Enriched with Graphene Oxide and Carbon Nanotubes for Multiple Tissue Engineering Applications. Int J Mol Sci 2019; 20:ijms20163868. [PMID: 31398874 PMCID: PMC6720708 DOI: 10.3390/ijms20163868] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/26/2019] [Accepted: 08/05/2019] [Indexed: 01/05/2023] Open
Abstract
Carbon-based nanomaterials, such as graphene oxide (GO) or carbon nanotubes (CNTs) are currently used in various medical applications due to their positive influence on biocompatibility, adhesion, proliferation, and differentiation, as well as their contribution to modulating cell behavior in response to nanomaterial substrates. In this context, in this study, novel flexible membranes based on cellulose acetate (CA) enriched with CNT and GO in different percentages were tested for their versatility to be used as substrates for soft or hard tissue engineering (TE), namely, for their ability to support human adipose-derived stem cells (hASCs) adhesion during adipogenic or osteogenic differentiation. For this purpose, differentiation markers were assessed both at gene and protein levels, while histological staining was performed to show the evolution of the processes in response to CA-CNT-GO substrates. Micro-CT analysis indicated porous morphologies with open and interconnected voids. A slightly lower total porosity was obtained for the samples filled with the highest amount of GO and CNTs, but thicker walls, larger and more uniform pores were obtained, providing beneficial effects on cell behavior and increased mechanical stability. The addition of 1 wt% GO and CNT to the biocomposites enhanced hASCs adhesion and cytoskeleton formation. The evolution of both adipogenic and osteogenic differentiation processes was found to be augmented proportionally to the GO-CNT concentration. In conclusion, CA-CNT-GO biomaterials displayed good properties and versatility as platforms for cell differentiation with potential as future implantable materials in TE applications.
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Affiliation(s)
- Simona-Rebeca Ignat
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Andreea Daniela Lazăr
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Aida Şelaru
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Iuliana Samoilă
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - George Mihail Vlăsceanu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Mariana Ioniţă
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Eugen Radu
- Molecular Biology and Pathology Research Lab "MolImagex", University Hospital Bucharest, 050098 Bucharest, Romania
| | - Sorina Dinescu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania.
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
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Dalgic AD, Atila D, Karatas A, Tezcaner A, Keskin D. Diatom shell incorporated PHBV/PCL-pullulan co-electrospun scaffold for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:735-746. [DOI: 10.1016/j.msec.2019.03.046] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 03/12/2019] [Accepted: 03/12/2019] [Indexed: 12/23/2022]
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Moonesi Rad R, Atila D, Akgün EE, Evis Z, Keskin D, Tezcaner A. Evaluation of human dental pulp stem cells behavior on a novel nanobiocomposite scaffold prepared for regenerative endodontics. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:928-948. [DOI: 10.1016/j.msec.2019.03.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 02/11/2019] [Accepted: 03/07/2019] [Indexed: 02/06/2023]
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Bacakova L, Pajorova J, Bacakova M, Skogberg A, Kallio P, Kolarova K, Svorcik V. Versatile Application of Nanocellulose: From Industry to Skin Tissue Engineering and Wound Healing. NANOMATERIALS 2019; 9:nano9020164. [PMID: 30699947 PMCID: PMC6410160 DOI: 10.3390/nano9020164] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 01/08/2019] [Accepted: 01/24/2019] [Indexed: 12/29/2022]
Abstract
Nanocellulose is cellulose in the form of nanostructures, i.e., features not exceeding 100 nm at least in one dimension. These nanostructures include nanofibrils, found in bacterial cellulose; nanofibers, present particularly in electrospun matrices; and nanowhiskers, nanocrystals, nanorods, and nanoballs. These structures can be further assembled into bigger two-dimensional (2D) and three-dimensional (3D) nano-, micro-, and macro-structures, such as nanoplatelets, membranes, films, microparticles, and porous macroscopic matrices. There are four main sources of nanocellulose: bacteria (Gluconacetobacter), plants (trees, shrubs, herbs), algae (Cladophora), and animals (Tunicata). Nanocellulose has emerged for a wide range of industrial, technology, and biomedical applications, namely for adsorption, ultrafiltration, packaging, conservation of historical artifacts, thermal insulation and fire retardation, energy extraction and storage, acoustics, sensorics, controlled drug delivery, and particularly for tissue engineering. Nanocellulose is promising for use in scaffolds for engineering of blood vessels, neural tissue, bone, cartilage, liver, adipose tissue, urethra and dura mater, for repairing connective tissue and congenital heart defects, and for constructing contact lenses and protective barriers. This review is focused on applications of nanocellulose in skin tissue engineering and wound healing as a scaffold for cell growth, for delivering cells into wounds, and as a material for advanced wound dressings coupled with drug delivery, transparency and sensorics. Potential cytotoxicity and immunogenicity of nanocellulose are also discussed.
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Affiliation(s)
- Lucie Bacakova
- Department of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4-Krc, Czech Republic.
| | - Julia Pajorova
- Department of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4-Krc, Czech Republic.
| | - Marketa Bacakova
- Department of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4-Krc, Czech Republic.
| | - Anne Skogberg
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Korkeakoulunkatu 3, 33720 Tampere, Finland.
| | - Pasi Kallio
- BioMediTech Institute and Faculty of Medicine and Health Technology, Tampere University, Korkeakoulunkatu 3, 33720 Tampere, Finland.
| | - Katerina Kolarova
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6-Dejvice, Czech Republic.
| | - Vaclav Svorcik
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6-Dejvice, Czech Republic.
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Moonesi Rad R, Pazarçeviren E, Ece Akgün E, Evis Z, Keskin D, Şahin S, Tezcaner A. In vitro performance of a nanobiocomposite scaffold containing boron-modified bioactive glass nanoparticles for dentin regeneration. J Biomater Appl 2018; 33:834-853. [PMID: 30458663 DOI: 10.1177/0885328218812487] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Every year, many dental restoration methods are carried out in the world and most of them do not succeed. High cost of these restorations and rejection possibility of the implants are main drawbacks. For this reason, a regenerative approach for repairing the damaged dentin-pulp complex or generating a new tissue is needed. In this study, the potential of three-dimensional cellulose acetate/oxidized pullulan/gelatin-based dentin-like constructs containing 10 or 20% bioactive glass nanoparticles was studied to explore their potential for dentin regeneration. Three-dimensional nano biocomposite structures were prepared by freeze-drying/metal mold pressing methods and characterized by in vitro degradation analysis, water absorption capacity and porosity measurements, scanning electron microscopy, in vitro biomineralization analysis. During one-month incubation in phosphate buffered saline solution at 37°C, scaffolds lost about 25-30% of their weight and water absorption capacity gradually decreased with time. Scanning electron microscopy examinations showed that mean diameter of the tubular structures was about 420 µm and the distance between walls of the tubules was around 560 µm. Calcium phosphate precipitates were formed on scaffolds surfaces treated with simulated body fluid, which was enhanced by boron-modified bioactive glass addition. For cell culture studies human dental pulp stem cells were isolated from patient teeth. An improvement in cellular viability was observed for different groups over the incubation period with the highest human dental pulp stem cells viability on B7-20 scaffolds. ICP-OES analysis revealed that concentration of boron ion released from the scaffolds was between 0.2 and 1.1 mM, which was below toxic levels. Alkaline phosphatase activity and intracellular calcium amounts significantly increased 14 days after incubation with highest values in B14-10 group. Von Kossa staining revealed higher levels of mineral deposition in these groups. In this work, results indicated that developed dentin-like constructs are promising for dentin regeneration owing to presence of boron-modified bioactive glass nanoparticles.
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Affiliation(s)
- Reza Moonesi Rad
- 1 Department of Biotechnology, Middle East Technical University, Ankara, Turkey
| | - Engin Pazarçeviren
- 2 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Elif Ece Akgün
- 3 Department of Histology and Embryology, Afyonkocatepe University Faculty of Veterinary Medicine, Afyonkarahisar, Turkey
| | - Zafer Evis
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Dilek Keskin
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey.,5 Center of Excelence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
| | - Sıla Şahin
- 6 Topraklık Mouth and Dental Health Center, Ankara, Turkey
| | - Ayşen Tezcaner
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey.,5 Center of Excelence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
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Padil VVT, Wacławek S, Černík M, Varma RS. Tree gum-based renewable materials: Sustainable applications in nanotechnology, biomedical and environmental fields. Biotechnol Adv 2018; 36:1984-2016. [PMID: 30165173 PMCID: PMC6209323 DOI: 10.1016/j.biotechadv.2018.08.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 07/22/2018] [Accepted: 08/24/2018] [Indexed: 12/22/2022]
Abstract
The prospective uses of tree gum polysaccharides and their nanostructures in various aspects of food, water, energy, biotechnology, environment and medicine industries, have garnered a great deal of attention recently. In addition to extensive applications of tree gums in food, there are substantial non-food applications of these commercial gums, which have gained widespread attention due to their availability, structural diversity and remarkable properties as 'green' bio-based renewable materials. Tree gums are obtainable as natural polysaccharides from various tree genera possessing exceptional properties, including their renewable, biocompatible, biodegradable, and non-toxic nature and their ability to undergo easy chemical modifications. This review focuses on non-food applications of several important commercially available gums (arabic, karaya, tragacanth, ghatti and kondagogu) for the greener synthesis and stabilization of metal/metal oxide NPs, production of electrospun fibers, environmental bioremediation, bio-catalysis, biosensors, coordination complexes of metal-hydrogels, and for antimicrobial and biomedical applications. Furthermore, polysaccharides acquired from botanical, seaweed, animal, and microbial origins are briefly compared with the characteristics of tree gum exudates.
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Affiliation(s)
- Vinod V T Padil
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic.
| | - Stanisław Wacławek
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic
| | - Miroslav Černík
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic.
| | - Rajender S Varma
- Water Resource Recovery Branch, Water Systems Division, National Risk Management Research Laboratory, U.S. Environmental Protection Agency, 26 West Martin Luther King Drive, MS 483, Cincinnati, Ohio 45268, USA; Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic.
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Singh S, Gupta A, Gupta B. Scar free healing mediated by the release of aloe vera and manuka honey from dextran bionanocomposite wound dressings. Int J Biol Macromol 2018; 120:1581-1590. [PMID: 30248422 DOI: 10.1016/j.ijbiomac.2018.09.124] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/27/2018] [Accepted: 09/20/2018] [Indexed: 01/25/2023]
Abstract
Scar preventive dextran based bionanocomposite dressings containing aloe vera (AV) and manuka honey (MH) were developed as wound care devices. This work was a challenge to fabricate herbal dressing that promotes healing, which at the same time is biocompatible, non-toxic, biodegradable, and cost effective in terms of the simplicity of application in complex chronic wound situations. With this aim, we synthesized in-situ crosslinked dextran/nanosoy/glycerol/chitosan (DNG/Ch) nanocomposite membranes via solvent casting technique followed by subsequent addition of AV and MH to obtain DNG/Ch/AV and DNG/Ch/MH herbal dressings. The drug release kinetics of the bionanocomposite dressings indicated an initial burst release of AV and MH, followed by controlled release when examined in-vitro using non-fickian and quasi-fickian model. Antibacterial studies confirmed >99% antibacterial activity against both Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) and bacterial adherence test demonstrated its efficacy for arresting microbial invasion. Wound healing analysis conducted in-vivo showed enhanced epithelialization in the terms scar prevention and aesthetics with absolute wound contraction for the mice treated with AV loaded dressings after 14th post wounding day. Histological features displayed ordered deposition of collagen with a thin epidermis layer. Hence, the present herbal dressing could function without many cytotoxicity and biocompatibility issues.
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Affiliation(s)
- Surabhi Singh
- Bioengineering Laboratory, Department of Textile Technology, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Amlan Gupta
- Department of Pathology, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, India
| | - Bhuvanesh Gupta
- Bioengineering Laboratory, Department of Textile Technology, Indian Institute of Technology Delhi, New Delhi 110016, India.
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Polymer blend nanofibers containing polycaprolactone as biocompatible and biodegradable binding agent to fabricate electrospun three-dimensional scaffolds/structures. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.07.074] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Lukanina KI, Grigoriev TE, Krasheninnikov SV, Mamagulashvilli VG, Kamyshinsky RA, Chvalun SN. Multi-hierarchical tissue-engineering ECM-like scaffolds based on cellulose acetate with collagen and chitosan fillers. Carbohydr Polym 2018; 191:119-126. [PMID: 29661299 DOI: 10.1016/j.carbpol.2018.02.061] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 12/05/2017] [Accepted: 02/20/2018] [Indexed: 02/06/2023]
Abstract
A novel high-tech composite biomimetic matrixes for a wide range of medical purposes were prepared. The structure of scaffolds was inspired by the architecture of native decellularized tissue: material consists of a sponge and fibrous components of different spatial geometry based on cellulose acetate with collagen or chitosan filler. The fibrous component was prepared by electrospinning, the sponge - freeze-drying technique. The influence of main technological parameters, such as freeze mode, polymer type and concentration, etc. on the fiber-sponge architecture and properties was examined. It was shown that scaffolds with different types of microstructure can be obtained employing this technique. The impregnation of chitosan or collagen filler in fiber matrix also significantly improves mechanical properties up to 40 MPa for strength and 600 MPa for Young's modulus.
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Affiliation(s)
- Ksenia I Lukanina
- National Research Center «Kurchatov Institute», Akademika Kurchatova pl.1, Moscow, 123182, Russia
| | - Timofei E Grigoriev
- National Research Center «Kurchatov Institute», Akademika Kurchatova pl.1, Moscow, 123182, Russia.
| | - Sergey V Krasheninnikov
- National Research Center «Kurchatov Institute», Akademika Kurchatova pl.1, Moscow, 123182, Russia
| | | | - Roman A Kamyshinsky
- National Research Center «Kurchatov Institute», Akademika Kurchatova pl.1, Moscow, 123182, Russia
| | - Sergey N Chvalun
- National Research Center «Kurchatov Institute», Akademika Kurchatova pl.1, Moscow, 123182, Russia
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Kiani S, Mousavi SM, Saljoughi E, Shahtahmassebi N. Preparation and characterization of modified polyphenylsulfone membranes with hydrophilic property for filtration of aqueous media. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4268] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shirin Kiani
- Chemical Engineering Department, Faculty of Engineering; Ferdowsi University of Mashhad; Mashhad Iran
| | - Seyed Mahmoud Mousavi
- Chemical Engineering Department, Faculty of Engineering; Ferdowsi University of Mashhad; Mashhad Iran
| | - Ehsan Saljoughi
- Chemical Engineering Department, Faculty of Engineering; Ferdowsi University of Mashhad; Mashhad Iran
| | - Nasser Shahtahmassebi
- Department of Physics, Faculty of Science; Ferdowsi University of Mashhad; Mashhad Iran
- Nanoresearch Center; Ferdowsi University of Mashhad; Mashhad Iran
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LAKTAS JACOBM, GROWNEY KALAF EMILYA, SELL SCOTTA, MCQUILLING MARKW. THE USE OF COMPUTATIONAL FLUID DYNAMICS IN THE OPTIMIZATION OF AIR-IMPEDANCE ELECTROSPUN STRUCTURES FOR TISSUE ENGINEERING. J MECH MED BIOL 2018. [DOI: 10.1142/s0219519418500094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Electrospinning is a viable method for dermal tissue engineering scaffold fabrication. Grafts using air-impedance electrospinning possess the ability to significantly increase cellular infiltration. However, current air-impedance methods lack precise control over flow properties through the collecting mandrel and are unable to accurately control fiber deposition in an organized and well-distributed manner. This study focusses on the use of computational fluid dynamics (CFD) and its application to air-impedance structures to optimize the deposition of the resulting dermal graft. Air-impedance structures were created from a range of air pressures to determine the optimal pressure for fiber collection. Initial results showed a pressure of 11[Formula: see text]psi (1.3[Formula: see text]scfm), which led to increased cellular penetration, but created uneven structures. This inlet flow rate was implemented as the primary boundary condition for CFD simulations. CFD software was used to gather data on fluid flow characteristics for a variety of mandrel geometries. Results showed that a mandrel with increased length and offset pore geometry provided the highest uniformity of flow along the length of the model over the other mandrel lengths, geometries, and pore alignments based largely on pressure and velocity analysis. This mandrel was manufactured and used for validation of CFD data via scaffold analysis and cellular infiltration studies. Scaffold characterization confirmed a significant advantage in the creation of structures fabricated with the optimized air-impedance mandrel by effectively doubling the efficiency of production via larger usable scaffold area. The results indicate that CFD validation is a valuable technique to optimize air impedance scaffolds in silico and has proven to be a useful tool in the fabrication of tissue engineering scaffolds.
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Affiliation(s)
- JACOB M. LAKTAS
- Department of Biomedical Engineering, Saint Louis University, St Louis, MO 63103, USA
| | | | - SCOTT A. SELL
- Department of Biomedical Engineering, Saint Louis University, St Louis, MO 63103, USA
| | - MARK W. MCQUILLING
- Department of Aerospace and Mechanical Engineering, Saint Louis University, St Louis, MO 63103, USA
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