Fig. 1.
Fig. 2.
Fig. 3.
Fig. 4.
Fig. 5.
Fig. 6.
Fig. 7.
Fig. 8.
Fig. 9.
Variation in crystalline size, lattice parameter, and cell volume of biosynthesized NPs
| ‘2θ’ of Intense peak | Plane (h, k, l) | Crystalline size (D) nm | Lattice constant (Å) | Cell volume (Å3) |
|---|---|---|---|---|
| 38.12 | 111 | 11.42 | 4.10 | 68.57 |
| 44.26 | 200 | 6.82 | 4.10 | 69.42 |
| 64.42 | 220 | 10.65 | 4.10 | 68.92 |
| 77.39 | 311 | 10.53 | 4.10 | 68.76 |
Antibacterial efficiency of treated samples
| S. No. | Sample Code | Samples | Bacterial reduction in % (E. coli) | Antibacterial efficiency after 10th laundry | Bacterial reduction in % (S. aureus) | Antibacterial efficiency after 10th laundry in % |
|---|---|---|---|---|---|---|
| 1. | S1 | Blank sample/untreated fabric | -Nil- | -Nil - | -Nil- | -Nil - |
| 2. | S2 | Sample treated only with AgNPs-100 ppm | 67.0% | 38.5% | 64.2 | 35.0 |
| 3. | S3 | Sample treated only with AgNPs-200 ppm | 76.2% | 42.3% | 72.4 | 38.2 |
| 4. | S4 | Sample treated only with AgNPs-300 ppm | 84.0% | 45.2% | 79.6 | 42.6 |
| 5. | S5 | Sample treated with-[chitosan 0.5% + AgNPs-100 ppm] | 82.5% | 71.2% | 78.0 | 70.8 |
| 6. | S6 | Sample treated with-[chitosan 0.5% + AgNPs-200 ppm] | 87.2% | 76.5% | 81.3 | 75.4 |
| 7. | S7 | Sample treated with-[chitosan 0.5% + AgNPs-300 ppm] | 93.2% | 82.4% | 87.0 | 81.3 |
| 8. | S8 | Sample treated with-[chitosan 1% + AgNPs-100 ppm] | 91.8% | 80.1% | 88.1 | 80.0 |
| 9. | S9 | Sample treated with-[chitosan 1%+ AgNPs-200 ppm] | 94.6% | 84.2% | 91.2 | 83.7 |
| 10. | S10 | Sample treated with-[chitosan 1% + AgNPs-300 ppm] | 97.8% | 90.6% | 94.8 | 89.5 |
Composition of the sample shown by EDX analysis
| eZAF Smart Quant Results | ||||||||
|---|---|---|---|---|---|---|---|---|
| Element | Weight % | Atomic % | Net Int. | Error % | K ratio | Z | A | F |
| AlK | 36.46 | 69.64 | 762.37 | 4.12 | 0.2184 | 0.7175 | 0.8302 | 1.0054 |
| AgL | 63.54 | 30.36 | 419.26 | 3.71 | 0.3753 | 0.5538 | 1.0672 | 0.9995 |