Physicochemical characteristics of GT-Zn NPs and PBCA@GT-Zn NPs among various different formulations
| Sample . | Size SEM (nm) . | Size LDS (nm) . | PDI . | Zeta potential (mV) . | EEd (%) . |
|---|---|---|---|---|---|
| GT-Zn NPs | 39.91 ± 6.28 a | 119.87 ± 9.91 a | 0.382 ± 0.205 a | −5.09 ± 2.66 a | – |
| A | 42.67 ± 2.61 a | 64.27 ± 1.64 d | 0.071 ± 0.023 b | −25.49 ± 1.35 c | – |
| B | 47.19 ± 2.12 a | 82.59 ± 4.78 c | 0.134 ± 0.037 b | −22.12 ± 5.56 bc | 90.89 ± 2.03 a |
| C | 46.38 ± 3.46 a | 86.91 ± 3.66 c | 0.159 ± 0.042 ab | −20.56 ± 2.53 bc | 89.31 ± 1.09 a |
| D | 46.82 ± 2.92 a | 85.25 ± 3.86 c | 0.177 ± 0.040 ab | −18.52 ± 1.72 bc | 73.06 ± 2.48 c |
| E | 44.29 ± 3.15 a | 79.11 ± 2.67 c | 0.193 ± 0.034 ab | −15.74 ± 4.51 b | 81.32 ± 2.36 b |
| F | 50.18 ± 4.02 a | 103.51 ± 2.19 b | 0.152 ± 0.030 ab | −24.21 ± 2.49 bc | 90.81 ± 0.95 a |
| Sample . | Size SEM (nm) . | Size LDS (nm) . | PDI . | Zeta potential (mV) . | EEd (%) . |
|---|---|---|---|---|---|
| GT-Zn NPs | 39.91 ± 6.28 a | 119.87 ± 9.91 a | 0.382 ± 0.205 a | −5.09 ± 2.66 a | – |
| A | 42.67 ± 2.61 a | 64.27 ± 1.64 d | 0.071 ± 0.023 b | −25.49 ± 1.35 c | – |
| B | 47.19 ± 2.12 a | 82.59 ± 4.78 c | 0.134 ± 0.037 b | −22.12 ± 5.56 bc | 90.89 ± 2.03 a |
| C | 46.38 ± 3.46 a | 86.91 ± 3.66 c | 0.159 ± 0.042 ab | −20.56 ± 2.53 bc | 89.31 ± 1.09 a |
| D | 46.82 ± 2.92 a | 85.25 ± 3.86 c | 0.177 ± 0.040 ab | −18.52 ± 1.72 bc | 73.06 ± 2.48 c |
| E | 44.29 ± 3.15 a | 79.11 ± 2.67 c | 0.193 ± 0.034 ab | −15.74 ± 4.51 b | 81.32 ± 2.36 b |
| F | 50.18 ± 4.02 a | 103.51 ± 2.19 b | 0.152 ± 0.030 ab | −24.21 ± 2.49 bc | 90.81 ± 0.95 a |
–, without data; EE, encapsulation efficacy; GT, green tea extract; NPs, nanoparticles; PBCA, Poly(butyl-2-cyanoacrylate); PDI, polydispersity index; Size LDS, size measured by DLS; Size SEM, size measured by SEM images.
Samples A, B, C, D (with 0.25% n-BCA (v/v)), the addition content of GT-Zn NPs (w/v) in preparing PBCA@GT-Zn NPs is 0.00% (A), 0.03% (B), 0.06% (C), 0.09% (D), Samples E and F (0.06% GT-Zn NPs (w/v)) with n-BCA(v/v) 0.15% (E), and 0.40% (F) (v/v). All NP samples were dissolved in ultrapure water for test. And data are presented as mean ± SD, n = 3. One-way ANOVA with Tukey tests was applied to determine significant differences. Different letters (a–d) show significant differences (P < 0.05).
Physicochemical characteristics of GT-Zn NPs and PBCA@GT-Zn NPs among various different formulations
| Sample . | Size SEM (nm) . | Size LDS (nm) . | PDI . | Zeta potential (mV) . | EEd (%) . |
|---|---|---|---|---|---|
| GT-Zn NPs | 39.91 ± 6.28 a | 119.87 ± 9.91 a | 0.382 ± 0.205 a | −5.09 ± 2.66 a | – |
| A | 42.67 ± 2.61 a | 64.27 ± 1.64 d | 0.071 ± 0.023 b | −25.49 ± 1.35 c | – |
| B | 47.19 ± 2.12 a | 82.59 ± 4.78 c | 0.134 ± 0.037 b | −22.12 ± 5.56 bc | 90.89 ± 2.03 a |
| C | 46.38 ± 3.46 a | 86.91 ± 3.66 c | 0.159 ± 0.042 ab | −20.56 ± 2.53 bc | 89.31 ± 1.09 a |
| D | 46.82 ± 2.92 a | 85.25 ± 3.86 c | 0.177 ± 0.040 ab | −18.52 ± 1.72 bc | 73.06 ± 2.48 c |
| E | 44.29 ± 3.15 a | 79.11 ± 2.67 c | 0.193 ± 0.034 ab | −15.74 ± 4.51 b | 81.32 ± 2.36 b |
| F | 50.18 ± 4.02 a | 103.51 ± 2.19 b | 0.152 ± 0.030 ab | −24.21 ± 2.49 bc | 90.81 ± 0.95 a |
| Sample . | Size SEM (nm) . | Size LDS (nm) . | PDI . | Zeta potential (mV) . | EEd (%) . |
|---|---|---|---|---|---|
| GT-Zn NPs | 39.91 ± 6.28 a | 119.87 ± 9.91 a | 0.382 ± 0.205 a | −5.09 ± 2.66 a | – |
| A | 42.67 ± 2.61 a | 64.27 ± 1.64 d | 0.071 ± 0.023 b | −25.49 ± 1.35 c | – |
| B | 47.19 ± 2.12 a | 82.59 ± 4.78 c | 0.134 ± 0.037 b | −22.12 ± 5.56 bc | 90.89 ± 2.03 a |
| C | 46.38 ± 3.46 a | 86.91 ± 3.66 c | 0.159 ± 0.042 ab | −20.56 ± 2.53 bc | 89.31 ± 1.09 a |
| D | 46.82 ± 2.92 a | 85.25 ± 3.86 c | 0.177 ± 0.040 ab | −18.52 ± 1.72 bc | 73.06 ± 2.48 c |
| E | 44.29 ± 3.15 a | 79.11 ± 2.67 c | 0.193 ± 0.034 ab | −15.74 ± 4.51 b | 81.32 ± 2.36 b |
| F | 50.18 ± 4.02 a | 103.51 ± 2.19 b | 0.152 ± 0.030 ab | −24.21 ± 2.49 bc | 90.81 ± 0.95 a |
–, without data; EE, encapsulation efficacy; GT, green tea extract; NPs, nanoparticles; PBCA, Poly(butyl-2-cyanoacrylate); PDI, polydispersity index; Size LDS, size measured by DLS; Size SEM, size measured by SEM images.
Samples A, B, C, D (with 0.25% n-BCA (v/v)), the addition content of GT-Zn NPs (w/v) in preparing PBCA@GT-Zn NPs is 0.00% (A), 0.03% (B), 0.06% (C), 0.09% (D), Samples E and F (0.06% GT-Zn NPs (w/v)) with n-BCA(v/v) 0.15% (E), and 0.40% (F) (v/v). All NP samples were dissolved in ultrapure water for test. And data are presented as mean ± SD, n = 3. One-way ANOVA with Tukey tests was applied to determine significant differences. Different letters (a–d) show significant differences (P < 0.05).
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