Fig. 2From: Local delivery of minocycline-loaded PLGA nanoparticles from gelatin-coated neural implants attenuates acute brain tissue responses in miceCoated implant with absorbed nanoparticles and intensity profile. a Brightfield and fluorescent image of a needle with F-NPs absorbed in the gelatin coating; b, c Two-channel confocal image (excitation wavelength for gelatin and F-NP was 488 nm and 543 nm, respectively) centered at the immersion border (box in a) and 50 μm depth; d fluorescent intensity profile of gelatin (green) and F-NPs (red) along the arrows in image (b) and (c)Back to article page