Fig. 3From: Doxycycline-encapsulated solid lipid nanoparticles for the enhanced antibacterial potential to treat the chronic brucellosis and preventing its relapse: in vivo studyEffect of DOX-SLN and free doxycycline on J774A.1 cells after 24 h; A positive control: no exposure to any drug (squamous live cells attached to plate floor), B exposed to 3 μL DMSO (suspended dead cells disjointed from plate floor), C exposed to 400 μg/mL DOX-SLN, D exposed to 400 μg/mL free doxycycline (orange background color is because of the inherent color of doxycycline antibiotic)Back to article page