Optimizing Deactivation and Drying Process for Pleurotus eryngii Chip Preparation of naringenin-loaded solid lipid nanoparticles lyophilized powder and its pharmacokinetics after pulmonary delivery to rats Preparation technology and quality assay of schizonepetolide polylactic-co-glycolic acid nanoparticles lyophilized powder Thetechnical study on freeze-drying of fresh Lentinus edodes A Chemical Drying Technique for Plant Materials Applied to the Scanning Electron Microscopy