Synthesis and Degradation Properties of Sericin/PVA Hydrogels
Abstract
:1. Introduction
2. Results and Discussion
2.1. Isolation of Sericin
2.2. Preparation and Characterization of Hydrogels
2.3. Degradation Test
3. Conclusions
4. Materials and Methods
4.1. Materials
4.2. Isolation of Sericin
4.3. Preparation of Sericin/PVA Hydrogels
4.4. Characterizations
4.4.1. FTIR-ATR Spectroscopy
4.4.2. XRD Characterization
4.4.3. Morphological Characterization
4.5. Degradation Test
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Absorption Peak (cm−1) | Functional Groups | |
---|---|---|
Cocoon | Sericin | |
3269 | 3274 | N-H stretching overlapping with OH from serine (3500–3200 cm−1) |
1614 | 1618 | Amide I group mostly represents the C=O stretching of the amide group |
1508 | 1518 | Amide II group, contribution from N–H bending and C–N stretching |
1404 | 1398 | C–H and O–H bending |
1228 | 1240 | Amide III group, C–N and C=O stretching |
1063 | 1068 | C–OH stretching |
Secondary Structure | Percentage (%) |
---|---|
β-sheet intermolecular | 27.63 |
β-sheet | 24.18 |
Random coil | 4.18 |
β-turn | 44.01 |
Sample | Diameter (µm) | ||
---|---|---|---|
Minimum | Maximum | Mean | |
2S0P100 | 24 | 110 | 60 |
2S50P50 | 30 | 118 | 59 |
2S75P25 | 32 | 138 | 75 |
2S100P0 | - | - | - |
4S0P100 | 27 | 69 | 44 |
4S50P50 | 27 | 71 | 48 |
4S75P25 | 39 | 123 | 81 |
4S100P0 | 33 | 139 | 71 |
Sample | Diameter (µm) | ||
---|---|---|---|
Minimum | Maximum | Mean | |
2S0P100 | 34 | 123 | 67 |
2S50P50 | 37 | 85 | 56 |
2S75P25 | 33 | 99 | 65 |
2S100P0 | - | - | - |
4S0P100 | 43 | 140 | 72 |
4S50P50 | 38 | 67 | 51 |
4S75P25 | 52 | 112 | 69 |
4S100P0 | 35 | 191 | 97 |
Polymer Concentration | Sample | Sericin to PVA Ratio (v/v) |
---|---|---|
2% | 2S100P0 | 4:0 |
2S75P25 | 3:1 | |
2S50P50 | 2:2 | |
2S0P100 | 0:4 | |
4% | 4S100P0 | 4:0 |
4S75P25 | 3:1 | |
4S50P50 | 2:2 | |
4S0P100 | 0:4 |
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Ekasurya, W.; Sebastian, J.; Puspitasari, D.; Asri, P.P.P.; Asri, L.A.T.W. Synthesis and Degradation Properties of Sericin/PVA Hydrogels. Gels 2023, 9, 76. https://doi.org/10.3390/gels9020076
Ekasurya W, Sebastian J, Puspitasari D, Asri PPP, Asri LATW. Synthesis and Degradation Properties of Sericin/PVA Hydrogels. Gels. 2023; 9(2):76. https://doi.org/10.3390/gels9020076
Chicago/Turabian StyleEkasurya, William, Joses Sebastian, Dita Puspitasari, Putri P. P. Asri, and Lia A. T. W. Asri. 2023. "Synthesis and Degradation Properties of Sericin/PVA Hydrogels" Gels 9, no. 2: 76. https://doi.org/10.3390/gels9020076