TABLE 1. Summary of Preparation Condition and Fluorescence Enhancement Data for the Single Fluorophore-Labeled Silver Particles with Different Metal Core Sizes.
sample 1 | sample 2 | sample 3 | sample 4 | sample 5 | sample 6 | |
---|---|---|---|---|---|---|
amount of NaOH (μL) | 10 | 20 | 100 | 500 | 1000 | |
particle size (nm) | 100 | 70 | 50 | 20 | 5 | |
enhancement efficiency | 5.8 | 15 | 17 | 8.2 | 1.5 | |
lifetime (ns) | 2.4 | 0.97 | 0.38 | 0.40 | 0.32 | 1.3 |