Fig. 4From: A novel immunoglobulin G monolayer silver bio-nanocompositeATR-FT-IR spectra for: a CF; b IgG; c AgNP–IgG–CF; d AgNP; e IgG–CF samples in the region 4000–450 cm−1; and f comparison between the samples in the 2500–1000 cm−1 regionBack to article page