Fig. 1: Preparation of nano-in-micro structured microspheres. | Nature Communications

Fig. 1: Preparation of nano-in-micro structured microspheres.

From: High drug-loaded microspheres enabled by controlled in-droplet precipitation promote functional recovery after spinal cord injury

Fig. 1

a The preparation of high drug-loaded microspheres by droplet microfluidics. b The structural evolution of the droplets during solidification. c Propeller-shaped TPE is non-emissive when dissolved but becomes highly emissive when its molecules are aggregated, due to the restriction of intramolecular rotation of its phenyl rotors against its ethylene stator in the aggregate state. d Droplets generated by flow-focusing microfluidic device pass through the spiral-shaped capillary tube under ultraviolet irradiation. e Scanning electron microscope images of whole and enlarged cross-section of TPE@AcDX microspheres. X-ray powder diffraction (f) and differential scanning calorimetry (g) of TPE@AcDX microspheres and TPE.

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