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Research Article

Antireflection Surfaces for Biological Analysis Using Laser Desorption Ionization Mass Spectrometry

Figure 2

Comparison of the AR surface in different wetting states. Mass spectra recorded with LDI-MS for lactose (1 nmol) using the same AR surface under (a) hydrophobic and (b) hydrophilic state. The insets show a sample droplet on the AR surface and the corresponding static contact angles (CA).