Application of sodium sulfobutylether-β-cyclodextrin based on encapsulation.

Area of Science:

• Supramolecular Chemistry
• Materials Science

Background:

• Sodium Sulfobutylether-β-cyclodextrin (SBE-β-CD) is a modified cyclodextrin with a hydrophobic cavity.
• It enhances solubility of poorly soluble compounds by forming inclusion complexes.
• SBE-β-CD acts as a co-solvent and stabilizer, offering reversible and competitive encapsulation.

Purpose of the Study:

• To review the physicochemical properties of SBE-β-CD.
• To explain the principles of encapsulation and factors influencing complex formation.
• To detail the applications of SBE-β-CD in various scientific fields.

Main Methods:

• Literature review on SBE-β-CD properties and applications.
• Analysis of encapsulation principles and influencing factors.
• Compilation of SBE-β-CD uses in pharmaceutics, analysis, and biomedical engineering.

Main Results:

• SBE-β-CD exhibits unique stereo structure and enhances guest solubility.
• Inclusion complex formation is reversible, competitive, and can alter physicochemical properties.
• Concentration-dependent guest inclusion with SBE-β-CD is observed.

Conclusions:

• SBE-β-CD's properties facilitate its use as a protective agent and pKa regulator in pharmaceutics.
• It serves as a chiral separator in pharmaceutical analysis.
• Applications in biomedical engineering include dye encapsulation and sensor modification.