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Cyclodextrin based nanocapsules have been widely used due to their unique structure and excellent properties. In fact, in addition to the common functions of polysaccharides (such as the existence of adjustable functional groups and their ability to interact with biological tissues), what makes cdnss unique is its three-dimensional network of crosslinked cyclodextrin units. Due to its nanoporous spongy structure, the term "nanospone" first appeared in the 1990s, and it is in response to the need to overcome the limitations of natural cyclodextrins (CDS), especially its water solubility and the efficiency of macromolecular molecules that cannot be encapsulated with electric charges. The following is an overview of the origin and historical development of water-soluble and swelling nanocapsules in the past 50 years:
From 1960s to 1980s: origin of insoluble crosslinked cyclodextrin polymers
From 1980s to 1990s: polymer properties and Applications
1999: "Tao in the beginning"
From 2000 to 2009: new applications in the new millennium
From 2010 to 2015: focus on nanocapsules as delivery systems
From 2016 to the present: the latest development and future prospects of nanocapsules.
