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Kowalczyk P, Kopeć K, Wojasiński M, Jaroszewicz J, Ciach T. Composite microgranular scaffolds with surface modifications for improved initial osteoblastic cell proliferation. BIOMATERIALS ADVANCES 2023; 151:213489. [PMID: 37267750 DOI: 10.1016/j.bioadv.2023.213489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/22/2023] [Accepted: 05/28/2023] [Indexed: 06/04/2023]
Abstract
Polyester-based granular scaffolds are a potent material for tissue engineering due to their porosity, controllable pore size, and potential to be molded into various shapes. Additionally, they can be produced as composite materials, e.g., mixed with osteoconductive β-tricalcium phosphate or hydroxyapatite. Such polymer-based composite materials often happen to be hydrophobic, which disrupts cell attachment and decreases cell growth on the scaffold, undermining its primary function. In this work, we propose the experimental comparison of three modification techniques for granular scaffolds to increase their hydrophilicity and cell attachment. Those techniques include atmospheric plasma treatment, polydopamine coating, and polynorepinephrine coating. Composite polymer/β-tricalcium phosphate granules have been produced in a solution-induced phase separation (SIPS) process using commercially available biomedical polymers: poly(lactic acid), poly(lactic-co-glycolic acid), and polycaprolactone. We used thermal assembly to prepare cylindrical scaffolds from composite microgranules. Atmospheric plasma treatment, polydopamine coating, and polynorepinephrine coating showed similar effects on polymer composites' hydrophilic and bioactive properties. All modifications significantly increased human osteosarcoma MG-63 cell adhesion and proliferation in vitro compared to cells cultured on unmodified materials. In the case of polycaprolactone/β-tricalcium phosphate scaffolds, modifications were the most necessary, as unmodified polycaprolactone-based material disrupted the cell attachment. Modified polylactide/β-tricalcium phosphate scaffold supported excellent cell growth and showed ultimate compressive strength exceeding this of human trabecular bone. This suggests that all investigated modification techniques can be used interchangeably for increasing wettability and cell attachment properties of various scaffolds for medical applications, especially those with high surface and volumetric porosity, like granular scaffolds.
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Affiliation(s)
- Piotr Kowalczyk
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland; Centre for Advanced Materials and Technology CEZAMAT, Poleczki 19, 02-822 Warsaw, Poland.
| | - Kamil Kopeć
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland
| | - Michał Wojasiński
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland
| | - Jakub Jaroszewicz
- Warsaw University of Technology, Faculty of Material Science and Engineering, Wołoska 141, 02-507 Warsaw, Poland
| | - Tomasz Ciach
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland; Centre for Advanced Materials and Technology CEZAMAT, Poleczki 19, 02-822 Warsaw, Poland
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Mukai Y, Liu S, Takayama Y, Hayashi Y, Mano K, Takahashi S, Wahyudiono, Kanda H, Goto M. Improvement in the Filtration Performance of an Ultraporous Nanofiber Membrane by Atmospheric Pressure Plasma-Induced Surface Modification. ACS OMEGA 2021; 6:28038-28048. [PMID: 34723004 PMCID: PMC8552324 DOI: 10.1021/acsomega.1c04044] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/05/2021] [Indexed: 04/04/2024]
Abstract
Nanofiber membranes have outstanding potential for filtration applications due to their great specific surface area, high porosity, and modifiable structure. Compared to conventional membranes, nanofiber membranes offer substantial high flux and high rejection ratios. This paper provides a comprehensive analysis on the filtration performance of plasma treatment on the polyacrylonitrile nanofiber membrane. The pores in the original membrane were utilized about a mere 10%, while those of the plasma-irradiated membrane were utilized nearly 60%. The membrane modification was performed using N2, O2, and Ar plasma. It was found that Ar plasma was most effective for etching the membrane structure. Fourier transform infrared spectroscopy was applied to detect the chemical changes on the membranes. The contact angle of the water droplets on the original membrane was 96.1°; however, after the Ar plasma treatment, it declined to 0°. Finally, the particle retention details in different cross sections of the filtered membranes were observed via a scanning electron microscope. The main innovation is to clarify the changes in the mechanism of the nanofiber membrane trapping particles before and after plasma treatment. In the filtration test after plasma treatment, the internal space of the membrane was fully and effectively utilized, and the flux was also improved. The obtained results suggest a potential application of the plasma-treated nanofiber membrane in water treatment.
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Affiliation(s)
- Yasuhito Mukai
- Department
of Chemical Systems Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Song Liu
- Department
of Chemical Systems Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Yoshihiro Takayama
- Department
of Chemical Systems Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Yui Hayashi
- Department
of Materials Process Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Kakeru Mano
- Department
of Materials Process Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Shigenori Takahashi
- Department
of Materials Process Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Wahyudiono
- Department
of Materials Process Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Hideki Kanda
- Department
of Materials Process Engineering, Nagoya
University, Nagoya 4648603, Japan
| | - Motonobu Goto
- Department
of Materials Process Engineering, Nagoya
University, Nagoya 4648603, Japan
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Marques IR, Silveira C, Leite MJL, Piacentini AM, Binder C, Dotto MER, Ambrosi A, Di Luccio M, Costa C. Simple approach for the plasma treatment of polymeric membranes and investigation of the aging effect. J Appl Polym Sci 2021. [DOI: 10.1002/app.50558] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Ingrid R. Marques
- Centro Tecnológico, Departamento de Engenharia Química e Engenharia de Alimentos Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Camila Silveira
- Centro Tecnológico, Departamento de Engenharia Química e Engenharia de Alimentos Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Monique J. L. Leite
- Centro Tecnológico, Departamento de Engenharia Química e Engenharia de Alimentos Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Artur M. Piacentini
- Centro Tecnológico, Departamento de Engenharia Elétrica Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Cristiano Binder
- Centro Tecnológico, Departamento de Engenharia Mecânica Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Marta E. R. Dotto
- Centro de Ciências Físicas e Matemáticas, Departamento de Física Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Alan Ambrosi
- Centro Tecnológico, Departamento de Engenharia Química e Engenharia de Alimentos Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Marco Di Luccio
- Centro Tecnológico, Departamento de Engenharia Química e Engenharia de Alimentos Universidade Federal de Santa Catarina Florianópolis Brazil
| | - Cristiane Costa
- Centro Tecnológico, Departamento de Engenharia Química e Engenharia de Alimentos Universidade Federal de Santa Catarina Florianópolis Brazil
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Study of High-Density Polyethylene (HDPE) Kinetics Modification Treated by Dielectric Barrier Discharge (DBD) Plasma. Polymers (Basel) 2020; 12:polym12102422. [PMID: 33096594 PMCID: PMC7590228 DOI: 10.3390/polym12102422] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/18/2020] [Accepted: 09/26/2020] [Indexed: 02/06/2023] Open
Abstract
In this work, the plasma was used in the dielectric barrier discharge (DBD) technique for modifying the high-density polyethylene (HDPE) surface. The treatments were performed via argon or oxygen, for 10 min, at a frequency of 820 Hz, voltage of 20 kV, 2 mm distance between electrodes, and atmospheric pressure. The efficiency of the plasma was determined through the triple Langmuir probe to check if it had enough energy to promote chemical changes on the material surface. Physicochemical changes were diagnosed through surface characterization techniques such as contact angle, attenuated total reflection to Fourier transform infrared spectroscopy (ATR-FTIR), X-ray excited photoelectron spectroscopy (XPS), and atomic force microscopy (AFM). Plasma electronics temperature showed that it has enough energy to break or form chemical bonds on the material surface, impacting its wettability directly. The wettability test was performed before and after treatment through the sessile drop, using distilled water, glycerin, and dimethylformamide, to the profile of surface tensions by the Fowkes method, analyzing the contact angle variation. ATR-FTIR and XPS analyses showed that groups and bonds were altered or generated on the surface when compared with the untreated sample. The AFM showed a change in roughness, and this directly affected the increase of wettability.
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Molnar K, Varga R, Jozsa B, Barczikai D, Krisch E, Nagy KS, Varga G, Jedlovszky-Hajdu A, Puskas JE. Investigation of the Cytotoxicity of Electrospun Polysuccinimide-Based Fiber Mats. Polymers (Basel) 2020; 12:E2324. [PMID: 33050638 PMCID: PMC7601339 DOI: 10.3390/polym12102324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 11/16/2022] Open
Abstract
This study investigated cell viability in the presence of allylamine-modified and plasma-treated electrospun polysuccinimide fiber mats (PSI-AAmp). Low pressure non-equilibrium plasma was used for crosslinking the PSI-AAm. Comparison of FTIR and XPS analyses demonstrated that crosslinking occurred on the surface of the samples. Cell viability was investigated using the MG-63 osteosarcoma cell line and WST-1 viability reagent. Since PSI hydrolyzes to poly(aspartic acid) (PASP), PASP was used in addition to the regular controls (cells only). Phase contrast showed normal morphology in all cases at 24 h; however, in the presence of PSI-AAmp at 72 h, some rounded, dead cells could also be seen, and proliferation was inhibited. Since proliferation in the presence of PASP alone was not inhibited, the cause of inhibition was not the final product of the hydrolysis. Further investigations will be carried out to pinpoint the cause.
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Affiliation(s)
- Kristof Molnar
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary; (K.M.); (R.V.); (B.J.); (D.B.); (K.S.N.)
- Department of Food, Agricultural and Biological Engineering, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, 222 FABE, 1680 Madison Avenue, Wooster, OH 44691, USA;
| | - Rita Varga
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary; (K.M.); (R.V.); (B.J.); (D.B.); (K.S.N.)
| | - Benjamin Jozsa
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary; (K.M.); (R.V.); (B.J.); (D.B.); (K.S.N.)
| | - Dora Barczikai
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary; (K.M.); (R.V.); (B.J.); (D.B.); (K.S.N.)
| | - Eniko Krisch
- Department of Food, Agricultural and Biological Engineering, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, 222 FABE, 1680 Madison Avenue, Wooster, OH 44691, USA;
| | - Krisztina S. Nagy
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary; (K.M.); (R.V.); (B.J.); (D.B.); (K.S.N.)
- Department of Oral Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary;
| | - Gabor Varga
- Department of Oral Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary;
| | - Angela Jedlovszky-Hajdu
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyvarad ter 4, H-1089 Budapest, Hungary; (K.M.); (R.V.); (B.J.); (D.B.); (K.S.N.)
| | - Judit E. Puskas
- Department of Food, Agricultural and Biological Engineering, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, 222 FABE, 1680 Madison Avenue, Wooster, OH 44691, USA;
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Roche R, Yalcinkaya F. Electrospun Polyacrylonitrile Nanofibrous Membranes for Point-of-Use Water and Air Cleaning. ChemistryOpen 2019; 8:97-103. [PMID: 30693173 PMCID: PMC6345220 DOI: 10.1002/open.201800267] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 12/28/2018] [Indexed: 11/26/2022] Open
Abstract
Novel electrospun polyacrylonitrile (PAN) nanofibrous membranes were prepared by using heat-press lamination under various conditions. The air permeability and the burst-pressure tests were run to select the membranes for point-of-use air and water cleaning. Membrane characterization was performed by using scanning electron microscopy, contact angle, and average pore size measurements. Selected membranes were used for both air dust filtration and cross-flow water filtration tests. Air dust filter results indicated that electrospun PAN nanofibrous membranes showed very high air-dust filtration efficiency of more than 99.99 % in between PM0.3 and PM2.5, whereas cross-flow filtration test showed very high water permeability over 600 L/(m2hbar) after 6 h of operation. Combining their excellent efficiency and water permeability, these membranes offer an ideal solution to filter both air and water pollutants.
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Affiliation(s)
- Remi Roche
- National Polytechnic Institute of Chemical Engineering and Technology (INP-ENSIACET)4, allée Emile Monso –CS 44362, 31030Toulouse Cedex 4France
| | - Fatma Yalcinkaya
- Department of Nanotechnology and Informatics Institute of Nanomaterials, Advanced Technologies and InnovationTechnical University of LiberecStudentska 1402/246117LiberecCzech Republic
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