Fig. 1From: Surface Functionalized Nanofibrillar Cellulose (NFC) Film as a Platform for Immunoassays and DiagnosticsConfocal laser scanning microscopy (CLSM) image of unmodified NFC film (a). The reflection mode with topological imaging mode was used. Digital photograph (4.5 × 2.5 cm2) of an unmodified NFC film (b)Back to article page