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. 2017 Jun 15;12:4455–4466. doi: 10.2147/IJN.S135735

Figure 4.

Figure 4

The effect of GNP diameter on LFIA performance.

Notes: (A) The schematic diagram and results of the LFIA with 13±3 nm GNP (i) and 35±3 nm GNP (ii). (B) Optical density analysis of (A) (n=3, *P<0.05). (The arrows reference the detection limit of the results).

Abbreviations: GNP, gold nanoparticle; LFIA, lateral flow immunoassay; NS, no significance; PBS, phosphate-buffered saline; C, control line; T, test line.