One-step hydrothermal approach to fabricate carbon dots from apple juice for imaging of mycobacterium and fungal cells

A facile green hydrothermal method was developed for the preparation of fluorescent carbon dots (CDs) using apple juice as a raw material. The synthesized fluorescent CDs were characterized by UV–vis, fluorescence, Fourier transform infrared (FT-IR), dynamic light scattering (DLS), high resolution transmission electron microscopic (HR-TEM), life-time measurement and laser scanning confocal microscopic techniques. The CDs showed bright blue...