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. 2021 Jan 15;11(1):21. doi: 10.3390/bios11010021

Figure 3.

Figure 3

Morphology of bare gold surfaces and l-Phe imprinted SPR sensor surfaces (Ellipsometry images (A1: l-Phe imprinted SPR chip, A2: non-imprinted SPR chip); contact angles (B1: bare gold SPR surface, B2: l-Phe imprinted SPR chip, B3: non-imprinted SPR surface)).