An Expedient SERS Strip Tactic for Rapid On-Site Detection with Long-Time Sensitivity and Repeatability

Figure 1

(a) The photo of the microheater, (b) the dip-coating of a test strip into colloidal AgNPs, (c) the prepared test strips with different cycles of dip-coating and heating, and (d) the target sampling of Rh6G solution with a prepared test strip.

(a)

(b)

(c)

(d)