SBA-15- and SBA-16-Functionalized Silicas as New Carriers of Niacinamide
Abstract
:1. Introduction
2. Results and Discussion
2.1. XRD
2.2. FT-IR
2.3. Low-Temperature Nitrogen Sorption Measurements
2.4. TEM Analysis
2.5. Elemental Analysis
2.6. Thermogravimetric Analysis
2.7. Niacinamide Loading and Release Profiles
3. Materials and Methods
3.1. Synthesis of Porous Materials of SBA-15 Type
3.1.1. Functionalization of SBA-15 Surface through Grafting
3.1.2. Functionalization of SBA-15 Surface through the Co-Condensation Method
3.2. Synthesis of Porous Materials of SBA-16 Type
3.2.1. Functionalization of SBA-16 Surface through Grafting
3.2.2. Functionalization of SBA-16 Surface through the Co-Condensation Method
3.3. Physicochemical Characteristics of the Materials Obtained
3.3.1. XRD Analysis
3.3.2. FT-IR
3.3.3. Transmission Electron Microscopy (TEM)
3.3.4. Low-Temperature N2 Sorption Measurements
3.3.5. Elemental Analysis
3.3.6. Thermogravimetric Analysis
3.4. Active Substance Loading
3.5. Release Profiles of Niacinamide
3.6. Samples Labelling
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Sample | Surface Area (BET) (m2/g) | Average Pore Size (BJH, ads. Branch) (nm) | Average Pore Size (BJH, des. Branch) (nm) | Total Pore Volume (cm3/g) | Average Pore Size (nm) |
---|---|---|---|---|---|
P15 | 717 | 6.4 | 4.9 | 0.89 | 5.0 |
P15/PG32 | 408 | 6.3 | 4.3 | 0.58 | 5.7 |
P15/K32 | 469 | 6.3 | 4.3 | 0.63 | 5.4 |
P16 | 806 | 6.3 | 3.8 | 0.63 | 3.1 |
P16/PG32 | 416 | 6.4 | 3.8 | 0.38 | 3.7 |
P16/K32 | 421 | 6.4 | 3.4 | 0.33 | 3.1 |
Sample | N, % | C, % | H, % | NA Loading, % | R | |||
---|---|---|---|---|---|---|---|---|
3.5 | 3.5 + EtOH | 7.4 | 7.4 + EtOH | |||||
Niacinamide (NA) | 22.46 | 58.43 | 5.00 | - | - | - | - | - |
P15 | - | 1.51 | 1.01 | - | - | - | - | - |
P15 + NA | 2.50 | 8.01 | 1.57 | 16.30 | 0.33 | 0.31 | 0.59 | 0.49 |
P15/PG32 | 0.66 | 10.50 | 2.07 | - | - | - | - | - |
P15/PG32 + NA | 1.62 | 13.00 | 2.28 | 6.30 | 0.82 | 0.83 | 1.65 | 1.66 |
P15/K32 | 0.26 | 11.33 | 2.45 | - | - | - | - | - |
P15/K32 + NA | 0.72 | 13.20 | 2.61 | 3.00 | 16.33 | 9.44 | 20.13 | 11.62 |
P16 | - | 1.42 | 1.60 | - | - | - | - | - |
P16 + NA | 1.42 | 4.93 | 1.09 | 9.30 | 0.34 | 2.03 | 0.38 | 0.39 |
P16/PG32 | 0.67 | 10.17 | 1.91 | - | - | - | - | - |
P16/PG32 + NA | 1.82 | 11.56 | 1.95 | 7.50 | 0.76 | 1.25 | 1.33 | 0.77 |
P16/K32 | 0.14 | 10.12 | 2.41 | - | - | - | - | - |
P16/K32 + NA | 1.07 | 12.63 | 2.63 | 6.30 | 0.23 | 1.06 | 0.36 | 0.91 |
Sample | Kinetic Model | Dissolution Medium | |||
---|---|---|---|---|---|
3.5 | 3.5 + EOH | 7.4 | 7.4 + EtOH | ||
P15 + NA | zero-order | 0.2935 | 0.8474 | 0.9953 | 0.9827 |
first-order | 0.2951 | 0.8479 | 0.9956 | 0.9833 | |
Higuchi | 0.4287 | 0.9260 | 0.9621 | 0.9573 | |
Korsmeyer–Peppas | 0.6246 | 0.9006 | 0.8286 | 0.8552 | |
P15/PG32 + NA | zero-order | 0.5836 | 0.6151 | 0.9422 | 0.9747 |
first-order | 0.5845 | 0.6167 | 0.9455 | 0.9762 | |
Higuchi | 0.7311 | 0.7535 | 0.9837 | 0.9781 | |
Korsmeyer–Peppas | 0.8656 | 0.8893 | 0.9596 | 0.9128 | |
P15/K32 + NA | zero-order | 0.3301 | 0.8974 | 0.6900 | 0.8463 |
first-order | 0.3539 | 0.9122 | 0.7918 | 0.8615 | |
Higuchi | 0.4826 | 0.9733 | 0.8177 | 0.9277 | |
Korsmeyer–Peppas | 0.6984 | 0.9787 | 0.8604 | 0.9219 | |
P16 + NA | zero-order | 0.7230 | 0.8265 | 0.7079 | 0.7140 |
first-order | 0.7234 | 0.8308 | 0.7089 | 0.7155 | |
Higuchi | 0.8517 | 0.9201 | 0.8470 | 0.8491 | |
Korsmeyer–Peppas | 0.9301 | 0.9612 | 0.9592 | 0.9468 | |
P16/PG32 + NA | zero-order | 0.6923 | 0.8677 | 0.7489 | 0.8252 |
first-order | 0.6931 | 0.8699 | 0.7505 | 0.8264 | |
Higuchi | 0.8376 | 0.9467 | 0.8786 | 0.9219 | |
Korsmeyer–Peppas | 0.9488 | 0.9645 | 0.9498 | 0.9379 | |
P16/K32 + NA | zero-order | 0.8973 | 0.7983 | 0.7320 | 0.7170 |
first-order | 0.8974 | 0.8016 | 0.7324 | 0.7202 | |
Higuchi | 0.9172 | 0.8882 | 0.8369 | 0.8426 | |
Korsmeyer–Peppas | 0.8459 | 0.9108 | 0.8569 | 0.8942 |
Material | Labelling |
---|---|
P15 | SBA-15 |
P16 | SBA-16 |
P15/PG32 | SBA-15 modified with Z-6032 aminoorganosilane through grafting |
P16/PG32 | SBA-16 modified with Z-6032 aminoorganosilane through grafting |
P15/K32 | SBA-15 modified with Z-6032 aminoorganosilane through co-condensation |
P16/K32 | SBA-16 modified with Z-6032 aminoorganosilane through co-condensation |
PE | prior-extraction |
PK | prior-calcination |
P15/PG32 + NA | SBA-15 modified with Z-6032 aminoorganosilane through grafting loaded with niacinamide |
P16/PG32 + NA | SBA-16 modified with Z-6032 aminoorganosilane through grafting loaded with niacinamide |
P15/K32 + NA | SBA-15 modified with Z-6032 aminoorganosilane through co-condensation loaded with niacinamide |
P16/K32 + NA | SBA-16 modified with Z-6032 aminoorganosilane through co-condensation loaded with niacinamide |
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Wawrzyńczak, A.; Nowak, I.; Feliczak-Guzik, A. SBA-15- and SBA-16-Functionalized Silicas as New Carriers of Niacinamide. Int. J. Mol. Sci. 2023, 24, 17567. https://doi.org/10.3390/ijms242417567
Wawrzyńczak A, Nowak I, Feliczak-Guzik A. SBA-15- and SBA-16-Functionalized Silicas as New Carriers of Niacinamide. International Journal of Molecular Sciences. 2023; 24(24):17567. https://doi.org/10.3390/ijms242417567
Chicago/Turabian StyleWawrzyńczak, Agata, Izabela Nowak, and Agnieszka Feliczak-Guzik. 2023. "SBA-15- and SBA-16-Functionalized Silicas as New Carriers of Niacinamide" International Journal of Molecular Sciences 24, no. 24: 17567. https://doi.org/10.3390/ijms242417567