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González-Benito J, Zuñiga-Prado S, Najera J, Olmos D. Non-Woven Fibrous Polylactic Acid/Hydroxyapatite Nanocomposites Obtained via Solution Blow Spinning: Morphology, Thermal and Mechanical Behavior. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:196. [PMID: 38251160 PMCID: PMC10818388 DOI: 10.3390/nano14020196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/09/2024] [Accepted: 01/13/2024] [Indexed: 01/23/2024]
Abstract
Polylactic acid (PLA) is widely used in tissue engineering and other biomedical applications. PLA can be modified with appropriate biocompatible ceramic materials since this would allow tailoring the mechanical properties of the tissues to be engineered. In this study, PLA-based non-woven fibrillar nanocomposites containing nanoparticles of hydroxyapatite (HA), a bioceramic commonly used in bone tissue engineering, were prepared via solution blow spinning (SBS). The compositions of the final materials were selected to study the influence of HA concentration on the structure, morphology, and thermal and mechanical properties. The resulting materials were highly porous and mainly constituted fibers. FTIR analysis did not reveal any specific interactions. The diameters of the fibers varied very little with the composition. For example, slightly thinner fibers were obtained for pure PLA and PLA + 10% HA, with fiber diameters of less than 400 nm, while the thicker fibers were found for PLA + 1% HA, with average diameters of 427 ± 170 nm. The crystallinity and stiffness of the PLA/HA composite increased with the HA content. Further, composites containing PLA fibers with slightly larger diameters were more ductile. Thus, with an appropriate balance between factors, such as the diameter of the solution-blow-spun PLA fibers, HA particle content, and degree of crystallinity, PLA/HA composites may be effectively used in tissue engineering applications.
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Affiliation(s)
- Javier González-Benito
- Department of Materials Science and Engineering and Chemical Engineering, Instituto de Química y Materiales Álvaro Alonso Barba (IQMAA), Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganés, Madrid, Spain; (J.G.-B.); (S.Z.-P.)
- Instituto de Química y Materiales Álvaro Alonso Barba (IQMAA), Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganés, Madrid, Spain
| | - Stephania Zuñiga-Prado
- Department of Materials Science and Engineering and Chemical Engineering, Instituto de Química y Materiales Álvaro Alonso Barba (IQMAA), Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganés, Madrid, Spain; (J.G.-B.); (S.Z.-P.)
| | - Julian Najera
- Department of Aerospace & Mechanical Engineering, University of Notre Dame, Notre Dame, IN 46556, USA;
| | - Dania Olmos
- Department of Materials Science and Engineering and Chemical Engineering, Instituto de Química y Materiales Álvaro Alonso Barba (IQMAA), Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganés, Madrid, Spain; (J.G.-B.); (S.Z.-P.)
- Instituto de Química y Materiales Álvaro Alonso Barba (IQMAA), Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganés, Madrid, Spain
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2
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Ercelik M, Tekin C, Parin FN, Mutlu B, Dogan HY, Tezcan G, Aksoy SA, Gurbuz M, Yildirim K, Bekar A, Kocaeli H, Taskapilioglu MO, Eser P, Tunca B. Co-loading of Temozolomide with Oleuropein or rutin into polylactic acid core-shell nanofiber webs inhibit glioblastoma cell by controlled release. Int J Biol Macromol 2023; 253:126722. [PMID: 37673167 DOI: 10.1016/j.ijbiomac.2023.126722] [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: 06/01/2023] [Revised: 08/31/2023] [Accepted: 09/03/2023] [Indexed: 09/08/2023]
Abstract
Glioblastoma (GB) has susceptibility to post-surgical recurrence. Therefore, local treatment methods are required against recurrent GB cells in the post-surgical area. In this study, we developed a nanofiber-based local therapy against GB cells using Oleuropein (OL), and rutin and their combinations with Temozolomide (TMZ). The polylactic acid (PLA) core-shell nanofiber webs were encapsulated with OL (PLAOL), rutin (PLArutin), and TMZ (PLATMZ) by an electrospinning process. A SEM visualized the morphology and the total immersion method determined the release characteristics of PLA webs. Real-time cell tracking analysis for cell growth, dual Acridine Orange/Propidium Iodide staining for cell viability, a scratch wound healing assay for migration capacity, and a sphere formation assay for tumor spheroid aggressiveness were used. All polymeric nanofiber webs had core-shell structures with an average diameter between 133 ± 30.7-139 ± 20.5 nm. All PLA webs promoted apoptotic cell death, suppressed cell migration, and spheres growth (p < 0.0001). PLAOL and PLATMZ suppressed GB cell viability with a controlled release that increased over 120 h, while PLArutin caused rapid cell inhibition (p < 0.0001). Collectively, our findings suggest that core-shell nano-webs could be a novel and effective therapeutic tool for the controlled release of OL and TMZ against recurrent GB cells.
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Affiliation(s)
- Melis Ercelik
- Department of Medical Biology, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Cagla Tekin
- Department of Medical Biology, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Fatma Nur Parin
- Faculty of Engineering and Natural Sciences, Department of Polymer Materials Engineering, Bursa Technical University, Bursa, Turkey
| | - Busra Mutlu
- Department of Metallurgical and Materials Engineering, Bursa Technical University, Bursa, Turkey; Central Research Laboratory, Bursa Technical University, Bursa, Turkey
| | - Hazal Yilmaz Dogan
- Department of Metallurgical and Materials Engineering, Bursa Technical University, Bursa, Turkey
| | - Gulcin Tezcan
- Department of Fundamental Sciences, Faculty of Dentistry, Bursa Uludag University, Bursa, Turkey
| | - Secil Ak Aksoy
- Inegol Vocation School, Bursa Uludag University, Bursa, Turkey; Faculty of Medicine Experimental Animal Breeding and Research Unit, Bursa Uludag University, Bursa, Turkey
| | - Melisa Gurbuz
- Department of Medical Biology, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Kenan Yildirim
- Faculty of Engineering and Natural Sciences, Department of Polymer Materials Engineering, Bursa Technical University, Bursa, Turkey
| | - Ahmet Bekar
- Department of Neurosurgery, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Hasan Kocaeli
- Department of Neurosurgery, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | | | - Pinar Eser
- Department of Neurosurgery, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Berrin Tunca
- Department of Medical Biology, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey.
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Owida HA, Moh'd BAH, Al-Naimat F. Fabricating orientated nanofibrous meshes with a bespoke ultra-cost-effective electrospinning machine. HARDWAREX 2023; 16:e00483. [PMID: 38020542 PMCID: PMC10661357 DOI: 10.1016/j.ohx.2023.e00483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 09/25/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023]
Abstract
Electrospinning's production method has been streamlined and perfected because to advancements in technology and increased demand. While working with electrospun fibers, it is crucial to ensure that they are collected in the correct orientation. Electrospun fibers can be either aligned or random. In contrast to randomly oriented fibers, all aligned ones will point in the same direction. Our results show that a low-cost, tailored electrospinning device can achieve equivalent performance to that of a commercially available system. High voltage (up to 36 kV) and nanofiber orientation adjustments are now being made to the proposed device. A high-voltage direct-current electrical power supply that is custom-built per order and wired by hand. Two specialized collectors, one portable and manufactured from conductive material for random nanofibers, and the other an inexpensive rotational drum collector for aligned nanofibers, have been developed to allow for precise orientation control. By applying Image J software to scanning electron micrographs, we were able to determine the average diameter and orientation of the fibers produced by the electrospinning apparatus, demonstrating its potential to produce nanoscale directed fibers. Because of this research, it's possible that schools will be able to afford an electrospinning system at a price far lower than the current market price.
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Affiliation(s)
- Hamza Abu Owida
- Medical Engineering Department, Al-Ahliyya Amman University, Jordan
| | | | - Feras Al-Naimat
- Medical Engineering Department, Al-Ahliyya Amman University, Jordan
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Zhao K, Hu Z, Zhou M, Chen Y, Zhou F, Ding Z, Zhu B. Bletilla striata composite nanofibrous membranes prepared by emulsion electrospinning for enhanced healing of diabetic wounds. J Biomater Appl 2023; 38:424-437. [PMID: 37599387 DOI: 10.1177/08853282231197901] [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] [Indexed: 08/22/2023]
Abstract
Diabetic wounds impose enormous distress and financial burden on patients, and finding effective dressings to manage wounds is critical. As a Chinese herbal medicine with a long history of Clinical application, Bletilla striata has significant medicinal effects in the therapy of various wounds. In this study, PLA and the pharmacodynamic substances of Bletilla striata were prepared into fibrous scaffolds by emulsion electrospinning technology for the management of diabetic wounds in mice. The results of scanning electron microscopy showed that the core-shell structure fibre was successfully obtained by emulsion electrospinning. The fibre membrane exhibited excellent water absorption capability and water vapor transmission rate, could inhibit the growth of Staphylococcus aureus and Pseudomonas aeruginosa, had good compatibility, and achieved excellent healing effect on diabetic wounds. Especially in the in vivo wound healing experiment, the wound healing rate of composite fibre membrane treatment reached 98.587 ± 2.149% in 16 days. This work demonstrated the good therapeutic effect of the developed fibrous membrane to diabetic wound, and this membrane could be potentially applied to chronic wound healing.
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Affiliation(s)
- Kai Zhao
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhengbo Hu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Mingyuan Zhou
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yuchi Chen
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Fangmei Zhou
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhishan Ding
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Bingqi Zhu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
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Sanyal A, Ghosh A, Roy C, Mazumder I, Marrazzo P. Revolutionizing the Use of Honeybee Products in Healthcare: A Focused Review on Using Bee Pollen as a Potential Adjunct Material for Biomaterial Functionalization. J Funct Biomater 2023; 14:352. [PMID: 37504847 PMCID: PMC10381877 DOI: 10.3390/jfb14070352] [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: 05/11/2023] [Revised: 06/23/2023] [Accepted: 07/02/2023] [Indexed: 07/29/2023] Open
Abstract
The field of biomedical engineering highly demands technological improvements to allow the successful engraftment of biomaterials requested for healing damaged host tissues, tissue regeneration, and drug delivery. Polymeric materials, particularly natural polymers, are one of the primary suitable materials employed and functionalized to enhance their biocompatibility and thus confer advantageous features after graft implantation. Incorporating bioactive substances from nature is a good technique for expanding or increasing the functionality of biomaterial scaffolds, which may additionally encourage tissue healing. Our ecosystem provides natural resources, like honeybee products, comprising a rich blend of phytochemicals with interesting bioactive properties, which, when functionally coupled with biomedical biomaterials, result in the biomaterial exhibiting anti-inflammatory, antimicrobial, and antioxidant effects. Bee pollen is a sustainable product recently discovered as a new functionalizing agent for biomaterials. This review aims to articulate the general idea of using honeybee products for biomaterial engineering, mainly focusing on describing recent literature on experimental studies on biomaterials functionalized with bee pollen. We have also described the underlying mechanism of the bioactive attributes of bee pollen and shared our perspective on how future biomedical research will benefit from the fabrication of such functionalized biomaterials.
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Affiliation(s)
- Arka Sanyal
- School of Biotechnology, KIIT Deemed University, Bhubaneswar 751024, India
| | - Anushikha Ghosh
- School of Biotechnology, KIIT Deemed University, Bhubaneswar 751024, India
| | - Chandrashish Roy
- School of Biotechnology, KIIT Deemed University, Bhubaneswar 751024, India
| | - Ishanee Mazumder
- School of Biotechnology, KIIT Deemed University, Bhubaneswar 751024, India
| | - Pasquale Marrazzo
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
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Sharma R, Malviya R, Singh S, Prajapati B. A Critical Review on Classified Excipient Sodium-Alginate-Based Hydrogels: Modification, Characterization, and Application in Soft Tissue Engineering. Gels 2023; 9:gels9050430. [PMID: 37233021 DOI: 10.3390/gels9050430] [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: 04/23/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 05/27/2023] Open
Abstract
Alginates are polysaccharides that are produced naturally and can be isolated from brown sea algae and bacteria. Sodium alginate (SA) is utilized extensively in the field of biological soft tissue repair and regeneration owing to its low cost, high biological compatibility, and quick and moderate crosslinking. In addition to their high printability, SA hydrogels have found growing popularity in tissue engineering, particularly due to the advent of 3D bioprinting. There is a developing curiosity in tissue engineering with SA-based composite hydrogels and their potential for further improvement in terms of material modification, the molding process, and their application. This has resulted in numerous productive outcomes. The use of 3D scaffolds for growing cells and tissues in tissue engineering and 3D cell culture is an innovative technique for developing in vitro culture models that mimic the in vivo environment. Especially compared to in vivo models, in vitro models were more ethical and cost-effective, and they stimulate tissue growth. This article discusses the use of sodium alginate (SA) in tissue engineering, focusing on SA modification techniques and providing a comparative examination of the properties of several SA-based hydrogels. This review also covers hydrogel preparation techniques, and a catalogue of patents covering different hydrogel formulations is also discussed. Finally, SA-based hydrogel applications and future research areas concerning SA-based hydrogels in tissue engineering were examined.
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Affiliation(s)
- Rishav Sharma
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida 203201, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida 203201, India
| | - Sudarshan Singh
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Bhupendra Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Kherva 384012, India
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7
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Lin Z, Chen H, Li S, Li X, Wang J, Xu S. Electrospun Food Polysaccharides Loaded with Bioactive Compounds: Fabrication, Release, and Applications. Polymers (Basel) 2023; 15:polym15102318. [PMID: 37242893 DOI: 10.3390/polym15102318] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Food polysaccharides are well acclaimed in the field of delivery systems due to their natural safety, biocompatibility with the human body, and capability of incorporating/releasing various bioactive compounds. Electrospinning, a straightforward atomization technique that has been attracting researchers worldwide, is also versatile for coupling food polysaccharides and bioactive compounds. In this review, several popular food polysaccharides including starch, cyclodextrin, chitosan, alginate, and hyaluronic acid are selected to discuss their basic characteristics, electrospinning conditions, bioactive compound release characteristics, and more. Data revealed that the selected polysaccharides are capable of releasing bioactive compounds from as rapidly as 5 s to as prolonged as 15 days. In addition, a series of frequently studied physical/chemical/biomedical applications utilizing electrospun food polysaccharides with bioactive compounds are also selected and discussed. These promising applications include but are not limited to active packaging with 4-log reduction against E. coli, L. innocua, and S. aureus; removal of 95% of particulate matter (PM) 2.5 and volatile organic compounds (VOCs); heavy metal ion removal; increasing enzyme heat/pH stability; wound healing acceleration and enhanced blood coagulation, etc. The broad potentials of electrospun food polysaccharides loaded with bioactive compounds are demonstrated in this review.
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Affiliation(s)
- Zhenyu Lin
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Hao Chen
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Shengmei Li
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Xiaolu Li
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Jie Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Shanshan Xu
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
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Diep E, Schiffman JD. Ethanol-free Cross-Linking of Alginate Nanofibers Enables Controlled Release into a Simulated Gastrointestinal Tract Model. Biomacromolecules 2023. [PMID: 37183416 DOI: 10.1021/acs.biomac.3c00274] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The use of alginate nanofibers in certain biomedical applications, including targeted delivery to the gut, is limited because an ethanol-free, biocompatible cross-linking method has not been demonstrated. Here, we developed water-stable, alginate-based nanofibers by systematically exploring post-electrospinning cross-linking approaches that used calcium ions dissolved in (1) a glycerol/water cosolvent system and (2) acidic, neutral, or basic aqueous solutions. Scanning electron microscopy proved that the fibers cross-linked in a glycerol cosolvent or pH-optimized solutions had maintained the same morphology as the ethanol-based literature control. Notably, cross-linked fibers were generally smaller in diameter than the as-spun fibers due to both chemical interactions and mass loss during cross-linking, which was supported by mass measurements, Fourier-transform infrared spectroscopy, and thermogravimetric analysis. During stability tests wherein the cross-linked fibers were exposed to three aqueous solutions, the cross-linked fibers were stable in water and acid buffer yet swelled in phosphate buffer saline, making them useful scaffolds for pH-controlled release applications. Proof-of-concept release experiments were conducted using a simulated gastrointestinal tract model. As desired, the cargo remained encapsulated within the cross-linked nanofibers when exposed to an acidic solution that modeled the stomach. Upon exposure to a solution that mimicked the intestines, the cargo was released. We suggest that these cross-linked, alginate-based nanofiber mats hold the potential to be broadly used in biomedical and environmental applications.
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Affiliation(s)
- Emily Diep
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
| | - Jessica D Schiffman
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
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Modification, 3D printing process and application of sodium alginate based hydrogels in soft tissue engineering: A review. Int J Biol Macromol 2023; 232:123450. [PMID: 36709808 DOI: 10.1016/j.ijbiomac.2023.123450] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/26/2022] [Accepted: 01/24/2023] [Indexed: 01/27/2023]
Abstract
Sodium alginate (SA) is an inexpensive and biocompatible biomaterial with fast and gentle crosslinking that has been widely used in biological soft tissue repair/regeneration. Especially with the advent of 3D bioprinting technology, SA hydrogels have been applied more deeply in tissue engineering due to their excellent printability. Currently, the research on material modification, molding process and application of SA-based composite hydrogels has become a hot topic in tissue engineering, and a lot of fruitful results have been achieved. To better help readers have a comprehensive understanding of the development status of SA based hydrogels and their molding process in tissue engineering, in this review, we summarized SA modification methods, and provided a comparative analysis of the characteristics of various SA based hydrogels. Secondly, various molding methods of SA based hydrogels were introduced, the processing characteristics and the applications of different molding methods were analyzed and compared. Finally, the applications of SA based hydrogels in tissue engineering were reviewed, the challenges in their applications were also analyzed, and the future research directions were prospected. We believe this review is of great helpful for the researchers working in biomedical and tissue engineering.
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Ibrahim E, Taylor K, Ahmed S, Mahmoud A, Lozano K. Centrifugally spun poly(D,L-lactic acid)-alginate composite microbeads for drug delivery and tissue engineering. Int J Biol Macromol 2023; 237:123743. [PMID: 36849074 DOI: 10.1016/j.ijbiomac.2023.123743] [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: 09/08/2022] [Revised: 12/28/2022] [Accepted: 02/14/2023] [Indexed: 02/27/2023]
Abstract
This work was based on medium-viscosity alginate as a minor constituent in composites with poly lactic acid (PLA) with the objective to prepare compositional variants through Forcespinning® (FS); for future medical applications. Composites within 0.08-0.25 wt% medium-viscosity alginate were used, at fixed PLA, 6.6 wt%, compared with a study using 0.17-0.48 wt% low-viscosity alginate (same PLA), starting from water-in-oil emulsions, before FS. The presence of alginate is proposed here to influence the high surface tension existing at the emulsion water/oil interface, reducing the total energy at this interface, and/or facilitating the particles in the amphiphilic blend to lie-flat (re-orient) for better fit to the PLA curvature. The study revealed a direct correlation of the inner-phase size (alginate/water ratio), to the change in the morphology and structure of the resultant composites before and after FS. The change in the alginate type, revealed characteristics better suited for medical applications by the medium-viscosity alginate. Composites at alginate- medium-viscosity; ≤0.25 wt%, and low-viscosity; ≤0.48 wt%, had fiber networks interwoven with micro-beads, with characteristics better suited for controlled-release drug delivery applications. Alternatively, each alginate type at 1.1 wt%, composites with PLA at 6.6 wt% could bring about homogenous fibrous materials better suited for wound dressing.
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Affiliation(s)
- Eman Ibrahim
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA.
| | - Keith Taylor
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada
| | - Salahuddin Ahmed
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Ahmed Mahmoud
- Department of Civil Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Karen Lozano
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
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de Souza JR, Kukulka EC, Araújo JCR, Campos TMB, do Prado RF, de Vasconcellos LMR, Thin GP, Borges ALS. Electrospun polylactic acid scaffolds with strontium- and cobalt-doped bioglass for potential use in bone tissue engineering applications. J Biomed Mater Res B Appl Biomater 2023; 111:151-160. [PMID: 35950464 DOI: 10.1002/jbm.b.35141] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/13/2022] [Accepted: 06/17/2022] [Indexed: 11/11/2022]
Abstract
The development of nanoscale biomaterials associated with polymers has been growing over the years, due to their important structural characteristics for applications in biological systems. The present study aimed to produce and test polymeric scaffolds composed of polylactic acid (PLA) fibers associated with a 58S bioglass doped with therapeutic ions for use in tissue engineering. Three 58S Bioglass was obtained by the sol-gel route, pure and doped with 5% strontium and cobalt ions. Solutions of 7% PLA was used as control and added the three different bioglass, 4% of 58S bioglass (PLA-BG), 4% bioglass-doped strontium (PLA-BGSr) and 4% bioglass-doped cobalt (PLA-BGCo). Scaffolds were produced through electrospinning process, and was characterized chemical and morphologically. The in vitro tests were performed using mesenchymal cells cultures from femurs of nine rats, grown in osteogenic supplemented total culture medium. After osteoblastic differentiation induction cell viability, alkaline phosphatase activity, total protein content quantification, and visualization of mineralization nodule tests were performed. Analysis of normal distribution used the Shapiro-Wilk test (nanofibers diameter and biological assay). Data were compared using the Kruskal-Wallis nonparametric test (p = 0.05). The bioglasses produced proved to be free of nitrate, chlorinated and nano-sized, with effective incorporation of therapeutic ions in their structure. All materials showed cell viability (>70%), total protein production, and alkaline phosphatase activity. It was possible to develop polylactic acid scaffolds associated with 58S bioglass doped with therapeutic ions without cytotoxicity. Scaffolds characteristics appear to sustain its application in bone tissue engineering.
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Affiliation(s)
- Joyce Rodrigues de Souza
- Department of Dental Materials and Prosthodontics, Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), São José dos Campos, São Paulo, Brazil
| | - Elisa Camargo Kukulka
- Department of Dental Materials and Prosthodontics, Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), São José dos Campos, São Paulo, Brazil
| | - Juliani Caroline Ribeiro Araújo
- Department of Bioscience and Oral Diagnosis, Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), São José dos Campos, São Paulo, Brazil
| | - Tiago Moreira Bastos Campos
- Technological Institute of Aeronautics (ITA), Praça Marechal Eduardo Gomes, São José dos Campos, São Paulo, Brazil
| | - Renata Falchete do Prado
- Department of Social Dentistry and Children's Clinic, Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), São José dos Campos, São Paulo, Brazil
| | - Luana Marotta Reis de Vasconcellos
- Department of Bioscience and Oral Diagnosis, Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), São José dos Campos, São Paulo, Brazil
| | - Gilmar Patrocínio Thin
- Technological Institute of Aeronautics (ITA), Praça Marechal Eduardo Gomes, São José dos Campos, São Paulo, Brazil
| | - Alexandre Luiz Souto Borges
- Department of Dental Materials and Prosthodontics, Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), Institute of Science and Technology of São José dos Campos, São Paulo State University (UNESP), São José dos Campos, São Paulo, Brazil
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12
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Echeverria Molina MI, Chen CA, Martinez J, Tran P, Komvopoulos K. Novel Electrospun Polycaprolactone/Calcium Alginate Scaffolds for Skin Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2022; 16:136. [PMID: 36614475 PMCID: PMC9821731 DOI: 10.3390/ma16010136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
After decades of research, fully functional skin regeneration is still a challenge. Skin is a multilayered complex organ exhibiting a cascading healing process affected by various mechanisms. Specifically, nutrients, oxygen, and biochemical signals can lead to specific cell behavior, ultimately conducive to the formation of high-quality tissue. This biomolecular exchange can be tuned through scaffold engineering, one of the leading fields in skin substitutes and equivalents. The principal objective of this investigation was the design, fabrication, and evaluation of a new class of three-dimensional fibrous scaffolds consisting of poly(ε-caprolactone) (PCL)/calcium alginate (CA), with the goal to induce keratinocyte differentiation through the action of calcium leaching. Scaffolds fabricated by electrospinning using a PCL/sodium alginate solution were treated by immersion in a calcium chloride solution to replace alginate-linked sodium ions by calcium ions. This treatment not only provided ion replacement, but also induced fiber crosslinking. The scaffold morphology was examined by scanning electron microscopy and systematically assessed by measurements of the pore size and the diameter, alignment, and crosslinking of the fibers. The hydrophilicity of the scaffolds was quantified by contact angle measurements and was correlated to the augmentation of cell attachment in the presence of CA. The in vitro performance of the scaffolds was investigated by seeding and staining fibroblasts and keratinocytes and using differentiation markers to detect the evolution of basal, spinous, and granular keratinocytes. The results of this study illuminate the potential of the PCL/CA scaffolds for tissue engineering and suggest that calcium leaching out from the scaffolds might have contributed to the development of a desirable biological environment for the attachment, proliferation, and differentiation of the main skin cells (i.e., fibroblasts and keratinocytes).
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Ibrahim E, Ahmed S, Abir SSH, Taylor K, Padilla-Gainza VM, Lozano K. Centrifugally spun alginate-poly(lactic acid) microbeads: A promising carrier for drug delivery and tissue engineering. Int J Biol Macromol 2022; 220:671-682. [PMID: 35988730 DOI: 10.1016/j.ijbiomac.2022.08.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/12/2022] [Accepted: 08/13/2022] [Indexed: 11/05/2022]
Abstract
A facile and high yield centrifugal spinning technique known as Forcespinning® (FS) was used to develop unique microstructures consisting of PLA microbeads along alginate fibers. Morphological variation and structural features appeared in the field-emission scanning electron micrographs for the PLA-alginate composites and dried PLA-alginate films from precursor emulsions at constant PLA and varied alginate contents. Shrunk and deflated microbeads were observed for composites whilst spherical beads were evident for the PLA control. Furthermore, PLA was found surrounding the alginate when the alginate was present at 0.24 wt% or lower, while alginate (mushroom-like structures), were seen protruding through the PLA layer at ≥0.34 wt% alginate. Rheological characterization of the composite emulsions revealed that the filler (alginate) provided shear thinning properties including pseudoplasticity, desirable for printing and other related applications in contrast to the Newtonian flow shown by the PLA control. Along with infra-red spectroscopy, the nanocomposites were further characterized using thermal gravimetry and differential scanning calorimetry featuring reversible events influenced by heat capacity and irreversible kinetic/thermodynamic counterparts. The work provides a comprehensive investigation of biocompatible networks of PLA-alginate microbeads embedded in nano-sized fibers and the prospective application of these microbeads as a drug delivery system.
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Affiliation(s)
- Eman Ibrahim
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA.
| | - Salahuddin Ahmed
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Sk Shamim Hasan Abir
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Keith Taylor
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada
| | - Victoria M Padilla-Gainza
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Karen Lozano
- Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
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Zdiri K, Cayla A, Elamri A, Erard A, Salaun F. Alginate-Based Bio-Composites and Their Potential Applications. J Funct Biomater 2022; 13:jfb13030117. [PMID: 35997455 PMCID: PMC9397003 DOI: 10.3390/jfb13030117] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/02/2022] [Accepted: 08/03/2022] [Indexed: 11/17/2022] Open
Abstract
Over the last two decades, bio-polymer fibers have attracted attention for their uses in gene therapy, tissue engineering, wound-healing, and controlled drug delivery. The most commonly used bio-polymers are bio-sourced synthetic polymers such as poly (glycolic acid), poly (lactic acid), poly (e-caprolactone), copolymers of polyglycolide and poly (3-hydroxybutyrate), and natural polymers such as chitosan, soy protein, and alginate. Among all of the bio-polymer fibers, alginate is endowed with its ease of sol–gel transformation, remarkable ion exchange properties, and acid stability. Blending alginate fibers with a wide range of other materials has certainly opened many new opportunities for applications. This paper presents an overview on the modification of alginate fibers with nano-particles, adhesive peptides, and natural or synthetic polymers, in order to enhance their properties. The application of alginate fibers in several areas such as cosmetics, sensors, drug delivery, tissue engineering, and water treatment are investigated. The first section is a brief theoretical background regarding the definition, the source, and the structure of alginate. The second part deals with the physico-chemical, structural, and biological properties of alginate bio-polymers. The third part presents the spinning techniques and the effects of the process and solution parameters on the thermo-mechanical and physico-chemical properties of alginate fibers. Then, the fourth part presents the additives used as fillers in order to improve the properties of alginate fibers. Finally, the last section covers the practical applications of alginate composite fibers.
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Affiliation(s)
- Khmais Zdiri
- Laboratoire de Génie et Matériaux Textiles, École Nationale Supérieure des Arts et Industries Textiles, Université de Lille, 59000 Lille, France
- Laboratoire de Physique et Mécanique Textiles, École Nationale Supérieure d’Ingénieurs Sud-Alsace, Université de Haute Alsace, EA 4365, 68100 Mulhouse, France
- Correspondence:
| | - Aurélie Cayla
- Laboratoire de Génie et Matériaux Textiles, École Nationale Supérieure des Arts et Industries Textiles, Université de Lille, 59000 Lille, France
| | - Adel Elamri
- Unité de Recherche Matériaux et Procédés Textiles, École Nationale d’Ingénieurs de Monastir, Université de Monastir, UR17ES33, Monastir 5019, Tunisia
| | - Annaëlle Erard
- Laboratoire de Génie et Matériaux Textiles, École Nationale Supérieure des Arts et Industries Textiles, Université de Lille, 59000 Lille, France
| | - Fabien Salaun
- Laboratoire de Génie et Matériaux Textiles, École Nationale Supérieure des Arts et Industries Textiles, Université de Lille, 59000 Lille, France
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15
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Alginate-based nanocarriers for the delivery and controlled-release of bioactive compounds. Adv Colloid Interface Sci 2022; 307:102744. [PMID: 35878506 DOI: 10.1016/j.cis.2022.102744] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 07/16/2022] [Accepted: 07/17/2022] [Indexed: 11/22/2022]
Abstract
Alginate-based nanocarriers are propitious vehicles used for the delivery of bioactive compounds (bioactives). In this area, calcium alginate and sodium alginate are the most promising wall materials because they are nontoxic, comparatively cheap, simple in production, biocompatible and biodegradable. In this review, we have highlighted different alginate-based nanocarriers such as nanoparticles, nanofibers, nanoemulsions, nanocomplexes, and nanohydrogels; also entrapment of different bioactives within alginate nanocarriers and their bioavailability in the gastric environment has been comprehensively discussed. Being biopolymers, alginates can be exploited as emulsifiers/ encapsulants for entrapment and delivery of different bioactives such as vitamins, minerals, essential fatty acids, peptides, essential oils, bioactive oils, polyphenols and carotenoids. Furthermore, the use of alginate-based nanocarriers in combination with other polysaccharides/ emulsifiers was recognized as the most effective and favorable approach for the protection, delivery and sustained release of bioactives.
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16
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Antimicrobial properties of PLA membranes loaded with pink pepper (Schinus terebinthifolius Raddi) essential oil applied in simulated cream cheese packaging. FOOD BIOPHYS 2022. [DOI: 10.1007/s11483-022-09750-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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17
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Machado TO, Grabow J, Sayer C, de Araújo PHH, Ehrenhard ML, Wurm FR. Biopolymer-based nanocarriers for sustained release of agrochemicals: A review on materials and social science perspectives for a sustainable future of agri- and horticulture. Adv Colloid Interface Sci 2022; 303:102645. [PMID: 35358807 DOI: 10.1016/j.cis.2022.102645] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/04/2022] [Accepted: 03/17/2022] [Indexed: 11/20/2022]
Abstract
Devastating plant diseases and soil depletion rationalize an extensive use of agrochemicals to secure the food production worldwide. The sustained release of fertilizers and pesticides in agriculture is a promising solution to the eco-toxicological impacts and it might reduce the amount and increase the effectiveness of agrochemicals administration in the field. This review article focusses on carriers with diameters below 1 μm, such as capsules, spheres, tubes and micelles that promote the sustained release of actives. Biopolymer nanocarriers represent a potentially environmentally friendly alternative due to their renewable origin and biodegradability, which prevents the formation of microplastics. The social aspects, economic potential, and success of commercialization of biopolymer based nanocarriers are influenced by the controversial nature of nanotechnology and depend on the use case. Nanotechnology's enormous innovative power is only able to unfold its potential to limit the effects of climate change and to counteract current environmental developments if the perceived risks are understood and mitigated.
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Affiliation(s)
- Thiago O Machado
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, PO Box 476, Florianópolis, SC 88040-900, Brazil
| | - Justin Grabow
- Sustainable Polymer Chemistry Group, MESA+ Institute for Nanotechnology, Faculty of Science and Technology, Universiteit Twente, PO Box 217, 7500 AE Enschede, The Netherlands; Faculty of Behavioural Management and Social Sciences, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
| | - Claudia Sayer
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, PO Box 476, Florianópolis, SC 88040-900, Brazil
| | - Pedro H H de Araújo
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, PO Box 476, Florianópolis, SC 88040-900, Brazil
| | - Michel L Ehrenhard
- Faculty of Behavioural Management and Social Sciences, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands.
| | - Frederik R Wurm
- Sustainable Polymer Chemistry Group, MESA+ Institute for Nanotechnology, Faculty of Science and Technology, Universiteit Twente, PO Box 217, 7500 AE Enschede, The Netherlands.
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Darie-Niță RN, Râpă M, Frąckowiak S. Special Features of Polyester-Based Materials for Medical Applications. Polymers (Basel) 2022; 14:polym14050951. [PMID: 35267774 PMCID: PMC8912343 DOI: 10.3390/polym14050951] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/18/2022] [Accepted: 02/24/2022] [Indexed: 11/16/2022] Open
Abstract
This article presents current possibilities of using polyester-based materials in hard and soft tissue engineering, wound dressings, surgical implants, vascular reconstructive surgery, ophthalmology, and other medical applications. The review summarizes the recent literature on the key features of processing methods and potential suitable combinations of polyester-based materials with improved physicochemical and biological properties that meet the specific requirements for selected medical fields. The polyester materials used in multiresistant infection prevention, including during the COVID-19 pandemic, as well as aspects covering environmental concerns, current risks and limitations, and potential future directions are also addressed. Depending on the different features of polyester types, as well as their specific medical applications, it can be generally estimated that 25–50% polyesters are used in the medical field, while an increase of at least 20% has been achieved since the COVID-19 pandemic started. The remaining percentage is provided by other types of natural or synthetic polymers; i.e., 25% polyolefins in personal protection equipment (PPE).
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Affiliation(s)
- Raluca Nicoleta Darie-Niță
- Physical Chemistry of Polymers Department, Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania;
| | - Maria Râpă
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
- Correspondence:
| | - Stanisław Frąckowiak
- Faculty of Environmental Engineering, University of Science and Technology, 50-013 Wrocław, Poland;
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19
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Effect of core-to-shell flowrate ratio on morphology, crystallinity, mechanical properties and wettability of poly(lactic acid) fibers prepared via modified coaxial electrospinning. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124378] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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20
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Belletti G, Buoso S, Ricci L, Guillem-Ortiz A, Aragón-Gutiérrez A, Bortolini O, Bertoldo M. Preparations of Poly(lactic acid) Dispersions in Water for Coating Applications. Polymers (Basel) 2021; 13:2767. [PMID: 34451306 PMCID: PMC8400580 DOI: 10.3390/polym13162767] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022] Open
Abstract
A green, effective methodology for the preparation of water-based dispersions of poly(lactic acid) (PLA) for coating purposes is herein presented. The procedure consists of two steps: in the first one, an oil-in-water emulsion is obtained by mixing a solution of PLA in ethyl acetate with a water phase containing surfactant and stabilizer. Different homogenization methods as well as oil/water phase ratio, surfactant and stabilizer combinations were screened. In the second step, the quantitative evaporation of the organic provides water dispersions of PLA that are stable, at least, over several weeks at room temperature or at 4 °C. Particle size was in the 200-500 nm range, depending on the preparation conditions, as confirmed by scanning electron microscope (SEM) analysis. PLA was found not to suffer significant molecular weight degradation by gel permeation chromatography (GPC) analysis. Furthermore, two selected formulations with glass transition temperature (Tg) of 51 °C and 34 °C were tested for the preparation of PLA films by drying in PTFE capsules. In both cases, continuous films that are homogeneous by Fourier-transform infrared spectroscopy (FT-IR) and SEM observation were obtained only when drying was performed above 60 °C. The formulation with lower Tg results in films which are more flexible and transparent.
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Affiliation(s)
- Giada Belletti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy; (G.B.); (O.B.)
- Institute of Organic Synthesis and Photoreactivity, National Research Council, Via P. Gobetti 101, 40129 Bologna, Italy;
| | - Sara Buoso
- Institute of Organic Synthesis and Photoreactivity, National Research Council, Via P. Gobetti 101, 40129 Bologna, Italy;
| | - Lucia Ricci
- Institute for Chemical and Physical Processes, National Research Council, Via G. Moruzzi 1, 54124 Pisa, Italy;
| | - Alejandro Guillem-Ortiz
- Instituto Tecnológico del Embalaje, Transporte y Logística, ITENE, Calle de Albert Einstein 1, 46980 Paterna, Spain; (A.G.-O.); (A.A.-G.)
| | - Alejandro Aragón-Gutiérrez
- Instituto Tecnológico del Embalaje, Transporte y Logística, ITENE, Calle de Albert Einstein 1, 46980 Paterna, Spain; (A.G.-O.); (A.A.-G.)
| | - Olga Bortolini
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy; (G.B.); (O.B.)
| | - Monica Bertoldo
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy; (G.B.); (O.B.)
- Institute of Organic Synthesis and Photoreactivity, National Research Council, Via P. Gobetti 101, 40129 Bologna, Italy;
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21
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Electrospun Nanofibrous Membranes for Tissue Engineering and Cell Growth. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11156929] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
In biotechnology, the field of cell cultivation is highly relevant. Cultivated cells can be used, for example, for the development of biopharmaceuticals and in tissue engineering. Commonly, mammalian cells are grown in bioreactors, T-flasks, well plates, etc., without a specific substrate. Nanofibrous mats, however, have been reported to promote cell growth, adhesion, and proliferation. Here, we give an overview of the different attempts at cultivating mammalian cells on electrospun nanofiber mats for biotechnological and biomedical purposes. Starting with a brief overview of the different electrospinning methods, resulting in random or defined fiber orientations in the nanofiber mats, we describe the typical materials used in cell growth applications in biotechnology and tissue engineering. The influence of using different surface morphologies and polymers or polymer blends on the possible application of such nanofiber mats for tissue engineering and other biotechnological applications is discussed. Polymer blends, in particular, can often be used to reach the required combination of mechanical and biological properties, making such nanofiber mats highly suitable for tissue engineering and other biotechnological or biomedical cell growth applications.
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22
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Pereira AO, Lopes IMI, Silva TR, Corrêa TQ, Paschoalin RT, Inada NM, Iermak I, van Riel Neto F, Araujo-Chaves JC, Marletta A, Tozoni JR, Mattoso LHC, Bagnato VS, Nantes-Cardoso IL, Oliveira ON, Campana PT. Bacterial Photoinactivation Using PLGA Electrospun Scaffolds. ACS APPLIED MATERIALS & INTERFACES 2021; 13:31406-31417. [PMID: 34185501 DOI: 10.1021/acsami.1c02686] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The use of ultraviolet (UV) and blue irradiation to sterilize surfaces is well established, but commercial applications would be enhanced if the light source is replaced with ambient light. In this paper, it is shown that nanofibers can be explored as an alternative methodology to UV and blue irradiation for bacterial inactivation. It is demonstrated that this is indeed possible using spun nanofibers of poly[lactic-co-(glycolic acid)] (PLGA). This work shows that PLGA spun scaffolds can promote photoinactivation of Staphylococcus aureus and Escherichia coli bacteria with ambient light or with laser irradiation at 630 nm. With the optimized scaffold composition of PLGA85:15 nanofibers, the minimum intensity required to kill the bacteria is much lower than in antimicrobial blue light applications. The enhanced effect introduced by PLGA scaffolds is due to their nanofiber structures since PLGA spun nanofibers were able to inactivate both S. aureus and E. coli bacteria, but cast films had no effect. These findings pave the way for an entirely different method to sterilize surfaces, which is less costly and environmentally friendly than current procedures. In addition, the scaffolds could also be used in cancer treatment with fewer side effects since photosensitizers are not required.
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Affiliation(s)
- Aline O Pereira
- School of Arts, Sciences and Humanities, University of São Paulo (USP), Arlindo Bettio Av., 1000, São Paulo 03828-000, Brazil
| | - Isabella M I Lopes
- School of Arts, Sciences and Humanities, University of São Paulo (USP), Arlindo Bettio Av., 1000, São Paulo 03828-000, Brazil
| | - Thiago R Silva
- School of Arts, Sciences and Humanities, University of São Paulo (USP), Arlindo Bettio Av., 1000, São Paulo 03828-000, Brazil
| | - Thaila Q Corrêa
- Sao Carlos Institute of Physics, University of São Paulo (USP), Trabalhador São-Carlense Av., 400, Sao Carlos 13560-970, Brazil
| | - Rafaella T Paschoalin
- Sao Carlos Institute of Physics, University of São Paulo (USP), Trabalhador São-Carlense Av., 400, Sao Carlos 13560-970, Brazil
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 15 de Novembro St., 1452, São Carlos 13560-970, Brazil
| | - Natalia M Inada
- Sao Carlos Institute of Physics, University of São Paulo (USP), Trabalhador São-Carlense Av., 400, Sao Carlos 13560-970, Brazil
| | - Ievgeniia Iermak
- Sao Carlos Institute of Physics, University of São Paulo (USP), Trabalhador São-Carlense Av., 400, Sao Carlos 13560-970, Brazil
| | - Francisco van Riel Neto
- Institute of Physics, Federal University of Uberlândia (UFU), João Naves de Ávila Av., 2121, Uberlândia 38408-100, Brazil
| | - Juliana C Araujo-Chaves
- Center of Natural Sciences and HumanitiesFederal University of ABC (UFABC), dos Estados Av., 5001, Santo André 09210-580, Brazil
| | - Alexandre Marletta
- Institute of Physics, Federal University of Uberlândia (UFU), João Naves de Ávila Av., 2121, Uberlândia 38408-100, Brazil
| | - José R Tozoni
- Institute of Physics, Federal University of Uberlândia (UFU), João Naves de Ávila Av., 2121, Uberlândia 38408-100, Brazil
| | - Luiz Henrique C Mattoso
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 15 de Novembro St., 1452, São Carlos 13560-970, Brazil
| | - Vanderlei S Bagnato
- Sao Carlos Institute of Physics, University of São Paulo (USP), Trabalhador São-Carlense Av., 400, Sao Carlos 13560-970, Brazil
| | - Iseli L Nantes-Cardoso
- Center of Natural Sciences and HumanitiesFederal University of ABC (UFABC), dos Estados Av., 5001, Santo André 09210-580, Brazil
| | - Osvaldo N Oliveira
- Sao Carlos Institute of Physics, University of São Paulo (USP), Trabalhador São-Carlense Av., 400, Sao Carlos 13560-970, Brazil
| | - Patricia T Campana
- School of Arts, Sciences and Humanities, University of São Paulo (USP), Arlindo Bettio Av., 1000, São Paulo 03828-000, Brazil
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23
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Pakolpakçıl A, Draczynski Z. Green Approach to Develop Bee Pollen-Loaded Alginate Based Nanofibrous Mat. MATERIALS 2021; 14:ma14112775. [PMID: 34073748 PMCID: PMC8197206 DOI: 10.3390/ma14112775] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 12/18/2022]
Abstract
Green electrospun materials are gaining popularity in the quest for a more sustainable environment for human life. Bee pollen (BP) is a valuable apitherapeutic product and has many beneficial features such as antioxidant and antibacterial properties. Alginate is a natural and low-cost polymer. Both natural materials show good compatibility with human tissues for biomedical applications and have no toxic effect on the environment. In this study, bee pollen-loaded sodium alginate and polyvinyl alcohol (SA/PVA) nanofibrous mats were fabricated by the electrospinning technique. The green electrospun nanofibrous mats were analyzed by scanning electron microscopy (SEM), Fourier transforms infrared spectroscopy (FTIR), and differential scanning calorimeter (DSC). According to the findings of the study, the toxin-free electrospinning method is suitable for producing green nanomaterial. Because of the useful properties of the bee pollen and the favorable biocompatibility of the alginate fibers, the bee pollen-loaded SA/PVA electrospun mats have the potential for use in a variety of biomedical applications.
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24
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Orafa Z, Irani S, Zamanian A, Bakhshi H, Nikukar H, Ghalandari B. Coating of Laponite on PLA Nanofibrous for Bone Tissue Engineering Application. Macromol Res 2021. [DOI: 10.1007/s13233-021-9028-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Molapour Rashedi S, Khajavi R, Rashidi A, Rahimi MK, Bahador A. Nanocomposite-Coated Sterile Cotton Gas Based on Polylactic Acid and Nanoparticles (Zinc Oxide and Copper Oxide) and Tranexamic Acid Drug with the Aim of Wound Dressing. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00203-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Sterner M, Edlund U. Hybrid Filaments from Saccaharina lattisima Biomass: Engineering of Alginate Properties with Maleic Anhydride Grafted Linseed Oil. Polymers (Basel) 2021; 13:836. [PMID: 33803316 PMCID: PMC7967169 DOI: 10.3390/polym13050836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 11/16/2022] Open
Abstract
Linseed oil was graft modified with maleic anhydride and introduced into alginate by co-extrusion, producing alginate hybrid filaments. A straightforward grafting of maleic anhydride onto the oil backbone produced the modified oil. Additional esterification with n-dodecanol was also investigated. The structures of the modified oils were verified with 2D-NMR. The modified oil was mixed with alginate and extruded into CaCl2, forming thin filaments with diameters in the 130-260 μm range. The impact of oil integration into the alginate filaments was assessed, with special emphasis on stress-at-break, and compared to values predicted by an empirical model relating the "stress to alginate concentration" ratio to prevailing conditions during filament drawing. Analogous alginate filaments were prepared with hydrochloric-, oxalic- and phytic acid calcium salts for comparison with alginate-oil hybrids to reveal the induced impact, with respect to the composition and charge, on the tensile performance.
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Affiliation(s)
- Martin Sterner
- Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56, SE-100 44 Stockholm, Sweden
| | - Ulrica Edlund
- Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56, SE-100 44 Stockholm, Sweden
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27
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Du Z, Jia S, Xiong P, Cai Z. Preparation of protein nanoparticle-coated poly(hydroxybutyrate) electrospun nanofiber based scaffold for biomedical applications. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1876058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Zhanwen Du
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Textiles Science and Engineering, Tiangong University, Tianjin, China
| | - Shuwei Jia
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Textiles Science and Engineering, Tiangong University, Tianjin, China
| | - Ping Xiong
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Textiles Science and Engineering, Tiangong University, Tianjin, China
| | - Zhijiang Cai
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Textiles Science and Engineering, Tiangong University, Tianjin, China
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Siafaka PI, Özcan Bülbül E, Dilsiz P, Karantas ID, Okur ME, Üstündağ Okur N. Detecting and targeting neurodegenerative disorders using electrospun nanofibrous matrices: current status and applications. J Drug Target 2021; 29:476-490. [PMID: 33269637 DOI: 10.1080/1061186x.2020.1859516] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Neurodegeneration is defined as the progressive atrophy and loss of function of neurons; it is present in neurodegenerative disorders such as Multiple Sclerosis, Alzheimer's, Huntington's, and Parkinson's diseases. The detection of such disorders is performed by various imaging modalities while their therapeutic management is quite challenging. Besides, the pathogenesis of neurodegenerative disorders is still under ongoing research due to complex and multi-factorial mechanisms. Currently, targeting the specific proteins responsible for neurodegeneration is of great interest to many researchers. Furthermore, nanotechnology-based approaches for targeting the affected neurons became an emerging field of interest. Nanostructures of various forms have been developed aiming to act as therapeutics for neurodegeneration, in which electrospun nanofibers seem to play an important role as biomedical products for both detection and management of the diseases. Electrospinning is an intriguing method able to produce nanofibers with a wide range of sizes and morphological characteristics. Such nanofibrous matrices can be delivered through different administration routes to target various diseases. In this review, the most recent advancements in electrospun nanofibrous systems that target or detect multiple neurodegenerative diseases have been enlightened and an introduction to the general aspects of neurodegenerative diseases and the electrospinning process has been made. Finally, future perspectives of neurodegeneration targeting were also discussed.
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Affiliation(s)
- Panoraia I Siafaka
- School of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ece Özcan Bülbül
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istinye University, Istanbul, Turkey
| | - Pelin Dilsiz
- Department of Physiology, School of Medicine, Regenerative and Restorative Medical Research Center (REMER), Istanbul Medipol University, Istanbul, Turkey.,Faculty of Pharmacy, Altınbaş University, Istanbul, Turkey
| | | | - Mehmet Evren Okur
- Department of Pharmacology, Faculty of Pharmacy, University of Health Sciences, Istanbul, Turkey
| | - Neslihan Üstündağ Okur
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Health Sciences, Istanbul, Turkey
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29
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How does counter-cation substitution influence inter- and intramolecular hydrogen bonding and electrospinnability of alginates. Int J Biol Macromol 2021; 171:234-241. [PMID: 33412203 DOI: 10.1016/j.ijbiomac.2020.12.212] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/24/2020] [Accepted: 12/29/2020] [Indexed: 01/08/2023]
Abstract
Despite numerous applications of nanofibrous alginate (Alg) mat, its facile fabrication via electrospinning is still challenging. The low alginate content compared to the carrier polymer and existence of impurities are the main drawbacks of existing approaches. The purpose of this research is both to study and improve alginate electrospinnability by focusing on the effect of inter- and intramolecular hydrogen bonding. Based on hard and soft acids and bases (HSAB) theory, the Na+ cations (carboxylate counter-cation) were substituted with a harder acid, Li+ cation, to increase the strength of ionic interaction and decrease the density of hydrogen bonding. Viscosity and electrical conductivity measurements as well as FTIR and 1H NMR revealed a lower intramolecular hydrogen bonding density in Li-Alg. SEM images showed improvement of alginate electrospinnability for Li-Alg compared to the salts of Na-Alg and K-Alg. This study sheds more light on underlying reasons hindering alginate electrospinning and introduces a simple method for fabrication of nanofibers with high alginate content.
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30
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Kudzin MH, Boguń M, Mrozińska Z, Kaczmarek A. Physical Properties, Chemical Analysis, and Evaluation of Antimicrobial Response of New Polylactide/Alginate/Copper Composite Materials. Mar Drugs 2020; 18:660. [PMID: 33371380 PMCID: PMC7767405 DOI: 10.3390/md18120660] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/15/2020] [Accepted: 12/17/2020] [Indexed: 12/17/2022] Open
Abstract
In recent years, due to an expansion of antibiotic-resistant microorganisms, there has been growing interest in biodegradable and antibacterial polymers that can be used in selected biomedical applications. The present work describes the synthesis of antimicrobial polylactide-copper alginate (PLA-ALG-Cu2+) composite fibers and their characterization. The composites were prepared by immersing PLA fibers in aqueous solution of sodium alginate, followed by ionic cross-linking of alginate chains within the polylactide fibers with Cu(II) ions to yield PLA-ALG-Cu2+ composite fibers. The composites, so prepared, were characterized by scanning electron microscopy (SEM), UV/VIS transmittance and attenuated total reflection Fourier-transform infrared spectroscopy ATR-FTIR, and by determination of their specific surface area (SSA), total/average pore volumes (through application of the 5-point Brunauer-Emmett-Teller method (BET)), and ability to block UV radiation (determination of the ultraviolet protection factor (UPF) of samples). The composites were also subjected to in vitro antimicrobial activity evaluation tests against colonies of Gram-negative (E. coli) and Gram-positive (S. aureus) bacteria and antifungal susceptibility tests against Aspergillus niger and Chaetomium globosum fungal mold species. All the results obtained in this work showed that the obtained composites were promising materials to be used as an antimicrobial wound dressing.
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Affiliation(s)
- Marcin H. Kudzin
- Lukasiewicz Research Network-Textile Research Institute, Brzezinska 5/15, 92-103 Lodz, Poland; (M.B.); (Z.M.); (A.K.)
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31
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Luo K, Wang L, Chen X, Zeng X, Zhou S, Zhang P, Li J. Biomimetic Polyurethane 3D Scaffolds Based on Polytetrahydrofuran Glycol and Polyethylene Glycol for Soft Tissue Engineering. Polymers (Basel) 2020; 12:polym12112631. [PMID: 33182432 PMCID: PMC7697348 DOI: 10.3390/polym12112631] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/30/2020] [Accepted: 11/03/2020] [Indexed: 12/15/2022] Open
Abstract
In this study, a novel polyurethane porous 3D scaffold based on polyethylene glycol (PEG) and polytetrahydrofuran glycol (PTMG) was developed by in situ polymerization and freeze drying. Aliphatic hexamethylene diisocyanate (HDI) as a nontoxic and safe agent was adopted to produce the rigid segment in polyurethane polymerization. The chemical structure, macrostructure, and morphology—as well as mechanical strength of the scaffolds—were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), and tensile tests. The results show that the HDI can react mildly with hydroxyl (–OH) groups of PEG and PTMG, while gas foaming action caused by the release of CO2 occurred simultaneously in the reactive process, resulting in a uniform porous structure of PU scaffold. Moreover, the scaffolds were soaked in water and freeze dried to obtain higher porosity and more interconnective microstructures. The scaffolds have a porosity of over 70% and pore size from 100 to 800 μm. The mechanical properties increased with increasing PEG content, while the hydrophilicity increased as well. After immersion in simulated body fluid (SBF), the scaffolds presented a stable surface structure. The gas foaming/freezing drying process is an excellent method to prepare skin tissue engineering scaffold from PTMG/PEG materials with high porosity and good inter connectivity.
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Affiliation(s)
| | - Li Wang
- Correspondence: (L.W.); (S.Z.); (J.L.)
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32
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Abstract
Regenerative engineering is powerfully emerging as a successful strategy for the regeneration of complex tissues and biological organs using a convergent approach that integrates several fields of expertise. This innovative and disruptive approach has spurred the demands for more choice of biomaterials with distinctive biological recognition properties. An ideal biomaterial is one that closely mimics the hierarchical architecture and features of the extracellular matrices (ECM) of native tissues. Nanofabrication technology presents an excellent springboard for the development of nanofiber scaffolds that can have positive interactions in the immediate cellular environment and stimulate specific regenerative cascades at the molecular level to yield healthy tissues. This paper systematically reviews the electrospinning process technology and its utility in matrix-based regenerative engineering, focusing mainly on musculoskeletal tissues. It briefly outlines the electrospinning/three-dimensional printing system duality and concludes with a discussion on the technology outlook and future directions of nanofiber matrices.
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Affiliation(s)
- Kenneth S. Ogueri
- Department of Materials Science and Engineering,
University of Connecticut, Storrs, CT 06269, USA
- Connecticut Convergence Institute, University of
Connecticut Health Center, Farmington, CT 06030, USA
| | - Cato T. Laurencin
- Department of Materials Science and Engineering,
University of Connecticut, Storrs, CT 06269, USA
- Connecticut Convergence Institute, University of
Connecticut Health Center, Farmington, CT 06030, USA
- Department of Orthopaedic Surgery, University of
Connecticut Health Center, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of
Connecticut, Storrs, CT 06269, USA
- Department of Chemical and Biomolecular Engineering,
University of Connecticut, Storrs, CT 06269, USA
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Xu X, Ren S, Li L, Zhou Y, Peng W, Xu Y. Biodegradable engineered fiber scaffolds fabricated by electrospinning for periodontal tissue regeneration. J Biomater Appl 2020; 36:55-75. [PMID: 32842852 DOI: 10.1177/0885328220952250] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Considering the specificity of periodontium and the unique advantages of electrospinning, this technology has been used to fabricate biodegradable tissue engineering materials for functional periodontal regeneration. For better biomedical quality, a continuous technological progress of electrospinning has been performed. Based on property of materials (natural, synthetic or composites) and additive novel methods (drug loading, surface modification, structure adjustment or 3 D technique), various novel membranes and scaffolds that could not only relief inflammation but also influence the biological behaviors of cells have been fabricated to achieve more effective periodontal regeneration. This review provides an overview of the usage of electrospinning materials in treatments of periodontitis, in order to get to know the existing research situation and find treatment breakthroughs of the periodontal diseases.
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Affiliation(s)
- Xuanwen Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China *These authors contributed equally to this article
| | - Shuangshuang Ren
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China *These authors contributed equally to this article
| | - Lu Li
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China *These authors contributed equally to this article
| | - Yi Zhou
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China *These authors contributed equally to this article
| | - Wenzao Peng
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China *These authors contributed equally to this article
| | - Yan Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China *These authors contributed equally to this article
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Domaschke S, Morel A, Kaufmann R, Hofmann J, Rossi RM, Mazza E, Fortunato G, Ehret AE. Predicting the macroscopic response of electrospun membranes based on microstructure and single fibre properties. J Mech Behav Biomed Mater 2020; 104:103634. [DOI: 10.1016/j.jmbbm.2020.103634] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 12/31/2019] [Accepted: 01/08/2020] [Indexed: 01/29/2023]
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35
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Baek S, Park H, Chen K, Park H, Lee D. Development of an implantable PCL/alginate bilayer scaffold to prevent secondary infections. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-019-0459-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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36
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Rashtchian M, Hivechi A, Bahrami SH, Milan PB, Simorgh S. Fabricating alginate/poly(caprolactone) nanofibers with enhanced bio-mechanical properties via cellulose nanocrystal incorporation. Carbohydr Polym 2020; 233:115873. [DOI: 10.1016/j.carbpol.2020.115873] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 01/11/2020] [Accepted: 01/13/2020] [Indexed: 01/31/2023]
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37
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Mokhena TC, Mochane MJ, Mtibe A, John MJ, Sadiku ER, Sefadi JS. Electrospun Alginate Nanofibers Toward Various Applications: A Review. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E934. [PMID: 32093142 PMCID: PMC7078630 DOI: 10.3390/ma13040934] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/04/2020] [Accepted: 02/06/2020] [Indexed: 12/20/2022]
Abstract
Alginate has been a material of choice for a spectrum of applications, ranging from metal adsorption to wound dressing. Electrospinning has added a new dimension to polymeric materials, including alginate, which can be processed to their nanosize levels in order to afford unique nanostructured materials with fascinating properties. The resulting nanostructured materials often feature high porosity, stability, permeability, and a large surface-to-volume ratio. In the present review, recent trends on electrospun alginate nanofibers from over the past 10 years toward advanced applications are discussed. The application of electrospun alginate nanofibers in various fields such as bioremediation, scaffolds for skin tissue engineering, drug delivery, and sensors are also elucidated.
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Affiliation(s)
- Teboho Clement Mokhena
- Department of Chemistry, Nelson Mandela University, Port Elizabeth 6031, South Africa;
- Advanced Polymer Composites, Centre of Nanostructured and Advanced Material, CSIR, Pretoria 0184, South Africa;
| | - Mokgaotsa Jonas Mochane
- Department of Life Sciences, Central University of Technology Free State, Private Bag X20539, Bloemfontein 9301, South Africa;
| | - Asanda Mtibe
- Advanced Polymer Composites, Centre of Nanostructured and Advanced Material, CSIR, Pretoria 0184, South Africa;
| | - Maya Jacob John
- Department of Chemistry, Nelson Mandela University, Port Elizabeth 6031, South Africa;
- Advanced Polymer Composites, Centre of Nanostructured and Advanced Material, CSIR, Pretoria 0184, South Africa;
- School of Mechanical, Industrial & Aeronautical Engineering, University of the Witwatersrand, Johannesburg 2000, South Africa
| | - Emmanuel Rotimi Sadiku
- Institute of NanoEngineering Research (INER), Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Pretoria 0001, South Africa;
| | - Jeremia Shale Sefadi
- Department of Physical and Earth Sciences (PES), Sol Plaatje University, Kimberley 8301, South Africa
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38
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Moetazedian A, Gleadall A, Han X, Silberschmidt VV. Effect of environment on mechanical properties of 3D printed polylactide for biomedical applications. J Mech Behav Biomed Mater 2020; 102:103510. [DOI: 10.1016/j.jmbbm.2019.103510] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/14/2019] [Accepted: 10/23/2019] [Indexed: 01/20/2023]
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39
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Chen J, Zhang T, Hua W, Li P, Wang X. 3D Porous poly(lactic acid)/regenerated cellulose composite scaffolds based on electrospun nanofibers for biomineralization. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124048] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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40
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Taemeh MA, Shiravandi A, Korayem MA, Daemi H. Fabrication challenges and trends in biomedical applications of alginate electrospun nanofibers. Carbohydr Polym 2020; 228:115419. [DOI: 10.1016/j.carbpol.2019.115419] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/29/2019] [Accepted: 09/30/2019] [Indexed: 11/15/2022]
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41
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Aadil KR, Nathani A, Sharma CS, Lenka N, Gupta P. Investigation of poly(vinyl) alcohol-gellan gum based nanofiber as scaffolds for tissue engineering applications. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101276] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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42
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Giz AS, Aydelik-Ayazoglu S, Catalgil-Giz H, Bayraktar H, Alaca BE. Stress relaxation and humidity dependence in sodium alginate-glycerol films. J Mech Behav Biomed Mater 2019; 100:103374. [DOI: 10.1016/j.jmbbm.2019.103374] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 07/12/2019] [Accepted: 07/26/2019] [Indexed: 10/26/2022]
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43
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Akbarzadeh M, Pezeshki‐Modaress M, Zandi M. Biphasic, tough composite core/shell PCL/PVA‐GEL nanofibers for biomedical application. J Appl Polym Sci 2019. [DOI: 10.1002/app.48713] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | - Mojgan Zandi
- Department of BiomaterialsIran Polymer and Petrochemical Institute Tehran Iran
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44
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de Lima Nascimento TR, de Amoêdo Campos Velo MM, Silva CF, Costa Cruz SBS, Gondim BLC, Mondelli RFL, Castellano LRC. Current Applications of Biopolymer-based Scaffolds and Nanofibers as Drug Delivery Systems. Curr Pharm Des 2019; 25:3997-4012. [PMID: 31701845 DOI: 10.2174/1381612825666191108162948] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 11/01/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND The high surface-to-volume ratio of polymeric nanofibers makes them an effective vehicle for the release of bioactive molecules and compounds such as growth factors, drugs, herbal extracts and gene sequences. Synthetic polymers are commonly used as sensors, reinforcements and energy storage, whereas natural polymers are more prone to mimicking an extracellular matrix. Natural polymers are a renewable resource and classified as an environmentally friendly material, which might be used in different techniques to produce nanofibers for biomedical applications such as tissue engineering, implantable medical devices, antimicrobial barriers and wound dressings, among others. This review sheds some light on the advantages of natural over synthetic polymeric materials for nanofiber production. Also, the most important techniques employed to produce natural nanofibers are presented. Moreover, some pieces of evidence regarding toxicology and cell-interactions using natural nanofibers are discussed. Clearly, the potential extrapolation of such laboratory results into human health application should be addressed cautiously.
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Affiliation(s)
- Tatiana Rita de Lima Nascimento
- Human Immunology Research and Education Group (GEPIH), Technical School of Health of UFPB, Federal University of Paraiba, Joao Pessoa, PB, Brazil
| | | | - Camila Félix Silva
- Human Immunology Research and Education Group (GEPIH), Technical School of Health of UFPB, Federal University of Paraiba, Joao Pessoa, PB, Brazil
| | - Sara Brito Silva Costa Cruz
- Human Immunology Research and Education Group (GEPIH), Technical School of Health of UFPB, Federal University of Paraiba, Joao Pessoa, PB, Brazil
| | - Brenna Louise Cavalcanti Gondim
- Human Immunology Research and Education Group (GEPIH), Technical School of Health of UFPB, Federal University of Paraiba, Joao Pessoa, PB, Brazil.,Post-Graduation Program in Dentistry, Department of Dentistry, State University of Paraíba, Campina Grande, PB, Brazil
| | - Rafael Francisco Lia Mondelli
- Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of Sao Paulo, SP, Brazil
| | - Lúcio Roberto Cançado Castellano
- Human Immunology Research and Education Group (GEPIH), Technical School of Health of UFPB, Federal University of Paraiba, Joao Pessoa, PB, Brazil
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45
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Kaiser NJ, Bellows JA, Kant RJ, Coulombe KLK. Digital Design and Automated Fabrication of Bespoke Collagen Microfiber Scaffolds. Tissue Eng Part C Methods 2019; 25:687-700. [PMID: 31017039 PMCID: PMC6859695 DOI: 10.1089/ten.tec.2018.0379] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 04/01/2019] [Indexed: 01/06/2023] Open
Abstract
A great variety of natural and synthetic polymer materials have been utilized in soft tissue engineering as extracellular matrix (ECM) materials. Natural polymers, such as collagen and fibrin hydrogels, have experienced especially broad adoption due to the high density of cell adhesion sites compared to their synthetic counterparts, ready availability, and ease of use. However, these and other hydrogels lack the structural and mechanical anisotropy that define the ECM in many tissues, such as skeletal and cardiac muscle, tendon, and cartilage. Herein, we present a facile, low-cost, and automated method of preparing collagen microfibers, organizing these fibers into precisely controlled mesh designs, and embedding these meshes in a bulk hydrogel, creating a composite biomaterial suitable for a wide variety of tissue engineering and regenerative medicine applications. With the assistance of custom software tools described herein, mesh patterns are designed by a digital graphical user interface and translated into protocols that are executed by a custom mesh collection and organization device. We demonstrate a high degree of precision and reproducibility in both fiber and mesh fabrication, evaluate single fiber mechanical properties, and provide evidence of collagen self-assembly in the microfibers under standard cell culture conditions. This work offers a powerful, flexible platform for the study of tissue engineering and cell material interactions, as well as the development of therapeutic biomaterials in the form of custom collagen microfiber patterns that will be accessible to all through the methods and techniques described here. Impact Statement Collagen microfiber meshes have immediate and broad applications in tissue engineering research and show high potential for later use in clinical therapeutics due to their compositional similarities to native extracellular matrix and tunable structural and mechanical characteristics. Physical and biological characterizations of these meshes demonstrate physiologically relevant mechanical properties, native-like collagen structure, and cytocompatibility. The methods presented herein not only describe a process through which custom collagen microfiber meshes can be fabricated but also provide the reader with detailed device plans and software tools to produce their own bespoke meshes through a precise, consistent, and automated process.
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Affiliation(s)
- Nicholas J Kaiser
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island
| | - Jessica A Bellows
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island
| | - Rajeev J Kant
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island
| | - Kareen L K Coulombe
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island
- Department of Molecular Pharmacology, Physiology, and Biotechnology, Brown University, Providence, Rhode Island
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46
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Mascarenhas BC, Tavares FA, Paris EC. Functionalized faujasite zeolite immobilized on poly(lactic acid) composite fibers to remove dyes from aqueous media. J Appl Polym Sci 2019. [DOI: 10.1002/app.48561] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Bruno C. Mascarenhas
- Department of ChemistryFederal University of São Carlos (UFSCAR), Rod. Washington Luiz, s/n São Carlos CEP 13565‐905 Brazil
- Nanotechnology National Laboratory for Agriculture (LNNA)Embrapa Instrumentação, Rua XV de Novembro, 1452 São Carlos CEP 13560‐970 Brazil
| | - Francine A. Tavares
- Department of ChemistryFederal University of São Carlos (UFSCAR), Rod. Washington Luiz, s/n São Carlos CEP 13565‐905 Brazil
- Nanotechnology National Laboratory for Agriculture (LNNA)Embrapa Instrumentação, Rua XV de Novembro, 1452 São Carlos CEP 13560‐970 Brazil
| | - Elaine C. Paris
- Nanotechnology National Laboratory for Agriculture (LNNA)Embrapa Instrumentação, Rua XV de Novembro, 1452 São Carlos CEP 13560‐970 Brazil
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47
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Marins NH, Silva RM, Ferrua CP, Łukowiec D, Barbosa AM, Ribeiro JS, Nedel F, Zavareze ER, Tański T, Carreño NLV. Fabrication of electrospun poly(lactic acid) nanoporous membrane loaded with niobium pentoxide nanoparticles as a potential scaffold for biomaterial applications. J Biomed Mater Res B Appl Biomater 2019; 108:1559-1567. [PMID: 31617960 DOI: 10.1002/jbm.b.34503] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 08/19/2019] [Accepted: 09/22/2019] [Indexed: 12/16/2022]
Abstract
Tissue engineering aims to regenerate and restore damaged human organs and tissues using scaffolds that can mimic the native tissues. The requirement for modern and efficient biomaterials that are capable of accelerating the healing process has been considerably increased. In this work, a novel electrospun poly(lactic acid) (PLA) nanoporous membrane incorporated with niobium pentoxide nanoparticles (Nb2 O5 ) for biomaterial applications was developed. Nb2 O5 nanoparticles were obtained by microwave-assisted hydrothermal synthesis, and different concentrations (0, 1, 3, and 5% wt/wt) were tested. Chemical, morphological, mechanical, and biological properties of membranes were evaluated. Cell viability results demonstrated that the membranes presented nontoxic effects. The incorporation of Nb2 O5 improved cell proliferation without impairing the wettability, porosity, and mechanical properties of membranes. Membranes containing Nb2 O5 nanoparticles presented biocompatible properties with suitable porosity, which facilitated cell attachment and proliferation while allowing diffusion of oxygen and nutrients. This study has demonstrated that Nb2 O5 nanoparticle-loaded electrospun PLA nanoporous membranes are potential candidates for drug delivery and wound dressing applications.
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Affiliation(s)
- Natália H Marins
- Graduate Program in Materials Science and Engineering, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil.,Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Gliwice, Poland
| | - Ricardo M Silva
- Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Gliwice, Poland.,Department of Materials Engineering, Federal University of São Carlos, São Carlos, Brazil
| | - Camila P Ferrua
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, Brazil
| | - Dariusz Łukowiec
- Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Gliwice, Poland
| | - Ananda M Barbosa
- Graduate Program in Materials Science and Engineering, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil
| | - Juliana S Ribeiro
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - Fernanda Nedel
- Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, Brazil
| | - Elessandra R Zavareze
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, Brazil
| | - Tomasz Tański
- Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Gliwice, Poland
| | - Neftalí L V Carreño
- Graduate Program in Materials Science and Engineering, Technology Development Center, Federal University of Pelotas, Pelotas, Brazil
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48
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Ye Z, Xu W, Shen R, Yan Y. Emulsion electrospun PLA/calcium alginate nanofibers for periodontal tissue engineering. J Biomater Appl 2019; 34:763-777. [PMID: 31506032 DOI: 10.1177/0885328219873561] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Zhanchao Ye
- Department of Stomatology, Medical College of Xiamen University, Zhongshan Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Weihong Xu
- Department of Stomatology, Medical College of Xiamen University, Zhongshan Hospital of Xiamen University, Xiamen University, Xiamen, China.,Department of Polymer Materials and Engineering, South China University of Technology, Guangzhou, China
| | - Renze Shen
- Department of Stomatology, Medical College of Xiamen University, Zhongshan Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Yurong Yan
- Department of Polymer Materials and Engineering, South China University of Technology, Guangzhou, China
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49
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Xia Q, Xu A, Huang C, Yan Y, Wu S. Porous Si@SiO
x
@N‐Rich Carbon Nanofibers as Anode in Lithium‐Ion Batteries under High Temperature. ChemElectroChem 2019. [DOI: 10.1002/celc.201901111] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qi Xia
- School of Chemistry and Chemical Engineering South China University of Technology Wushan Rd 381 Guangzhou 510641 PR China
| | - Anding Xu
- School of Chemistry and Chemical Engineering South China University of Technology Wushan Rd 381 Guangzhou 510641 PR China
| | - Chuyun Huang
- School of Materials Science and Engineering South China University of Technology Wushan Rd 381 Guangzhou 510641 PR China
| | - Yurong Yan
- School of Materials Science and Engineering South China University of Technology Wushan Rd 381 Guangzhou 510641 PR China
| | - Songping Wu
- School of Chemistry and Chemical Engineering South China University of Technology Wushan Rd 381 Guangzhou 510641 PR China
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50
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Liu X, Zhou L, Heng P, Xiao J, Lv J, Zhang Q, Hickey ME, Tu Q, Wang J. Lecithin doped electrospun poly(lactic acid)-thermoplastic polyurethane fibers for hepatocyte viability improvement. Colloids Surf B Biointerfaces 2019; 175:264-271. [DOI: 10.1016/j.colsurfb.2018.09.069] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/19/2018] [Accepted: 09/27/2018] [Indexed: 12/21/2022]
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