Poly(Lactide) Nonwoven Fabric with Iron Coating and Its Biological Properties
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Methods
2.2.1. Method for Producing PLA Nonwoven Fabric
2.2.2. Modification of Magnetron Sputtering of Poly(lactide) Nonwoven Fabrics with Iron
2.2.3. Flame Atomic Absorption Spectroscopy (FAAS)
2.2.4. Microscopy Analysis
2.2.5. Biochemical and Hematological Assessments: Activated Partial Thromboplastin Time (aPTT) and Prothrombin Time (PT)
2.2.6. Determination of Biological Properties
Preparation of Fabrics Used to Assess Biological Properties
Cell Culture
Cell Viability Resazurin Assay
DNA Damage
3. Results and Discussion
3.1. Preparation of Nonwoven Fabrics from Poly(lactide) and Modification by Magnetron Sputtering
3.2. Determination of Iron Content
3.3. Microscopy of PLA-Fe Samples
3.4. Analysis of Surface Properties and Pore Volume
3.5. Effect of PLA-Fe Samples on Blood Plasma Coagulation: aPTT and PT Measurement
3.6. Effect of PLA-Fe Samples on the Viability of PBM Cells
3.7. Effect of PLA-Fe Samples on the DNA Damage in PBM Cells
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Extruder Temperature [°C] | Air Flow Rate [mln3/godz.] | Mass per Unit Area of Nonwoven Fabrics [g/m] | Yield [g/min] | ||||
---|---|---|---|---|---|---|---|
Zone 1 | Zone 2 | Zone 3 | Head | Air Heater | |||
190 | 240 | 260 | 260 | 260 | 8–9 | 200 | 6 |
Target | Power Discharge | Power Density | Working Pressure | Working Atmosphere | Distance between Sample and Target | Deposition Time | Sputtered Sample Size |
---|---|---|---|---|---|---|---|
Iron 99.99% | 0.4; 0.8 [kW] | 0.60 [W/cm2] | 2.1 × 10−3 [mbar] | Argon | 15 [cm] | 20; 40 [min] | 60 × 20 [cm × cm] |
Sample Name | Power Discharge [kW] | Sp.T. /a [min] | Iron Bulk Concentration | |
---|---|---|---|---|
[g/kg] /b,c | MBC /d [mol/kg] | |||
PLA | - | - | - | - |
PLA-Fe(0.4kW/20) | 0.4 | 20 | 2231 | 0.04 |
PLA-Fe(0.4kW/40) | 0.4 | 40 | 18,832 | 0.34 |
PLA-Fe(0.8kW/20) | 0.8 | 20 | 4422 | 0.08 |
PLA-Fe(0.8kW/40) | 0.8 | 40 | 28,341 | 0.51 |
Sample Name | Specific Surface Area (SSA) [m2/g] | Total Pore Volume (TPV) [cm3/g] | Average Pore Diameter (D) [nm] |
---|---|---|---|
PLA | 0.9470 | 2.868 × 10−3 | 14.92 |
PLA-Fe(0.4kW/20) | 0.9082 | 2.605 × 10−3 | 15.47 |
PLA-Fe(0.4kW/40) | 0.7659 | 2.128 × 10−3 | 18.03 |
PLA-Fe(0.8kW/20) | 0.8681 | 2.554 × 10−3 | 16.59 |
PLA-Fe(0.8kW/40) | 0.7028 | 2.008 × 10−3 | 18.45 |
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Mrozińska, Z.; Świerczyńska, M.; Juszczak, M.; Woźniak, K.; Kudzin, M.H. Poly(Lactide) Nonwoven Fabric with Iron Coating and Its Biological Properties. Coatings 2024, 14, 1050. https://doi.org/10.3390/coatings14081050
Mrozińska Z, Świerczyńska M, Juszczak M, Woźniak K, Kudzin MH. Poly(Lactide) Nonwoven Fabric with Iron Coating and Its Biological Properties. Coatings. 2024; 14(8):1050. https://doi.org/10.3390/coatings14081050
Chicago/Turabian StyleMrozińska, Zdzisława, Małgorzata Świerczyńska, Michał Juszczak, Katarzyna Woźniak, and Marcin H. Kudzin. 2024. "Poly(Lactide) Nonwoven Fabric with Iron Coating and Its Biological Properties" Coatings 14, no. 8: 1050. https://doi.org/10.3390/coatings14081050