Nanomaterial Labels in Lateral Flow Immunoassays for Point-of-Care-Testing

Jiuchuan Guo^a, Shuqin Chen^b^,^c, Jinhong Guo^a^,^*(

), Xing Ma^b^,^c^,^*(

)

Fig. 3.. SPALS-based LFIA system schematic: (a) The smartphone-based optical reader; (b) The working principle of the SPALS-based LFIA system. (c) In the case that the transmitted light intensity was low; (d) In the case that the transmitted light intensity was high. (Reprinted with permission from [37] Copyright 2018 Elsevier B.V.).