Table 1. The results of PL emission and PLQY for five different N-additive combinations, including N-CNDs.
| λex = 340 nm | Pure EDTA | Pure Tris | EDTA + starch | Tris + starch | Starch in TAE 10X N-CND 1 | TAE 10X N-CND 2 | TAE 50X N-CND 2 |
|---|---|---|---|---|---|---|---|
| PL emission [nm] | 408 | 408 | 429 | 425 | 419 | 419 | 419 |
| PLQY [%] | 1 | 6 | 2 | 6 | 17 | 19 | 28 |
| EDTA content [mg/mL] | 2.93 | – | 2.93 | – | 2.93 | 2.93 | 2.93 |
| Tris content [mg/mL] | – | 48.5 | – | 48.5 | 48.5 | 48.5 | 242.5 |
| Starch content [mg/mL] | – | – | 48.5 | 48.5 | 0.14 | – | – |
TAE-buffer: Tris-acetate-EDTA buffer, EDTA: ethylenediamine-tetraacetic acid, Tris: tris(hydroxymethyl)aminomethane; TAE 10X contains: acetic acid (200 mM), EDTA (10 mM) and Tris (400 mM).