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. 2020 Jan 29;412(7):1709–1717. doi: 10.1007/s00216-020-02417-x

Fig. 1.

Fig. 1

Sensing antibody complex assembly. (a) The on-demand Micrux™ chip used for the tests. (b) Illustration of the assembly process. DSP linker (green wavy lines) was allowed to bind onto the gold surface (gold disc shape) for 30 min. Then, the antibody (brown ‘Y’ shape) was incubated on the electrode for 2 h. Finally, the electrode was washed with Tris-HCl to remove any excess of free N-Hydroxysuccinimide (NHS) groups