Table 1 Effect of gold concentration on nanogold formation and fluorescence intensity
From: Invertase-nanogold clusters decorated plant membranes for fluorescence-based sucrose sensor
HAuCl 4 (mM) | Size distribution range (nm) | SPR peak I (nm) | SPR peak II (nm) | Normalized fluorescent intensity (A.U.) (λ ex   = 320 nm, λ em   = 348 nm) |
|---|---|---|---|---|
0.25 | 2↔10.8 | 301.3 | 517 | 219291 |
0.50 | 13.4↔27.2 | 301.0 | 538 | 330387 |
0.75 | 15.8↔34.2 | 301.1 | 543 | 302343 |
1.00 | 31.1↔47.2 | 301.3 | 542 | 95327 |
1.25 | 50↔65.7 | 301.3 | 543 | 53299 |
1.50 | 70.4↔81.2 | 301.5 | 543 | 39397 |
2.00 | 91.4↔91.2 | 302.0 | 544 | 37159 |