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In order to remove the limitations in research of drug delivery system, Creative Biostructure has developed cyclodextrin-based liposomes technology. In order to broaden its application as a host carrier, we provide high quality cyclodextrins for customize its inclusion complexes formation.
What is cyclodextrins (CDs)?
Cyclodextrins (CDs) are chemically and physically stable cyclic oligosaccharides produced by enzymatic degradation of starch. Due to the chair conformation of glucopyranose, CDs maintain the shape of truncated cone or torus. (Figure 1). CDs are characterized by hydrophilic outer surface and lipophilic cavity, thus they form water-soluble inclusion complex with a wide variety of hydrophobic compounds and change physicochemical and biological properties of guest molecules. Therefore, cyclodextrins has huge potential to be exploited in a wide range of applications in food, pharmaceutical and chemical industries, agriculture and environmental engineering.
Cyclodextrins are classified as natural and cyclodextrins derivatives. Cavity size varies depends on how many glucopyranose units compose the rings. Natural cyclodextrins are 𝛼, 𝛽, and 𝛾 consisting of 6, 7, and 8 glucopyranose units have been commonly used, as well as their derivatives. The ability of a CD to form an inclusion complex is related to factors involving cavity size, solubility, binding affinity, and availability, etc. Various hydrophilic, hydrophobic, and ionic derivatives have been developed and utilized to modify its physicochemical and biopharmaceutical properties, and then meet the drug delivery need with improved inclusion capacity of natural cyclodextrins.
Figure 1: Structure and conformation of natural cyclodextrins. (BioMed Research International, 2015)
Creative Biostructure provides high-quality and diverse cyclodextrins to support its applications. Together with 3 major parent cyclodextrins, we also provide and a wide variety of cyclodextrin derivatives with special substituents or substitution patterns. We have medical grade (beyond 98% purity) and food grade (beyond 94% purity) products. Furthermore, we also provide custom cyclodextrin and other liposomes synthesis for specific target guest molecules by developing and optimizing purification and isolation methods.
Creative Biostructure closely follows the latest techniques in delivery system. Based on our diverse capacity of cyclodextrin and our liposome platform, we can offer an alternative method for this purpose. Please contact us for more details and find out how it helps to the new product development.