beta-Cyclodextrins beta cyclodextrin derivative 20 article 14 Cyclodextrins 12 beta cyclodextrin 12 chemistry 10 Freeze Drying 8 controlled study 8 freeze drying 8 unclassified drug 8 Enzyme Stability 6 Enzyme activity 6 Silanes 6 Trehalose 6 enzyme stability 6 trehalose 6 1 ketose 4 1f fructofuramosylnystose 4 2 hydroxypropyl beta cyclodextrin 4 Acids 4 Animals 4 Article 4 Calcium 4 Calorimetry, Differential Scanning 4 Carbohydrates 4 Chelating agent 4 Chelation 4 Cholesterol 4 Cyclodextrin 4 Disodium salt 4