Research Article
Core Cross-linked Star Polymers for Temperature/pH Controlled Delivery of 5-Fluorouracil
Table 4
Hydrodynamic diameters and LCST values of star polymers, in PBS at pH 6 and in PBS at pH 7.4.
| Entries | Star polymer | PBS, pH 6 | LCST, pH 6 | PBS, pH 7.4 | LCST, pH 7.4 | (nm) | pdi | Temp. (°C) | (nm) | pdi | Temp. (°C) |
| 1 | [PolyNIPAAm-b-polyHA-EGDMA20 | — | — | — | 65.38 ± 4.4 | 0.397 ± 7e−3 | 32 | 2 | [PolyNIPAAm-b-polyHA-EGDMA10 | — | — | 30 | 108.8 ± 3.6 | 0.256 ± 0.02 | 30 | 3 | [Poly(NIPAAm-co-4MBA9%)-b-polyHA-EGDMA20 | 62.74 ± 0.62 | 0.257 ± 1e−3 | 36 | 94.68 ± 1.5 | 0.187 ± 8e−3 | 46 | 4 | [Poly(NIPAAm-co-4MBA5%)-b-polyHA-EGDMA10 | 112.4 ± 4.8 | 0.326 ± 0.03 | 36 | 171.03 ± 0.6 | 0.302 ± 0.02 | 40 |
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Macro-CTA of = 12,780 g/mol. Macro-CTA of = 32,070 g/mol. Macro-CTA of = 21,730 g/mol. Macro-CTA of = 28,570 g/mol.
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