Variable | Studied range | Optimum condition |
---|---|---|
FLC conc. (%, w/v) | 0.00025 – 0.0045 | 0.0025 |
pH | 6.5–9.5 | 7 ± 0.2 |
Reaction time (min) | 2–30 | 10 |
Solvent | Different a | Water |
Stability of LND-FLC (min) | 10–60 | 10–60 |
Excitation wavelength, λex (nm) | 220–460 | 381 |
Emission wavelength, λem (nm) | 420–620 | 494 |