Fig. 3From: Immune-enrichment of insulin in bio-fluids on gold-nanoparticle decorated target plate and in situ detection by MALDI MSMALDI MS spectra of standard insulin samples (8 nM). a MS Spectrum achieved on BSA modified GNP-ITO without anti-insulin antibody. b MS Spectrum achieved on anti-insulin antibody-modified GNP-ITO. 5 Replicates for each data were tested at the same conditionsBack to article page