Layered Silicates as a Possible Drug Carrier.

Area of Science:

• Materials Science
• Nanotechnology
• Pharmaceutical Sciences

Background:

• Layered silicates possess unique structural properties, including large surface areas and expandable interlayer spacing.
• These properties make them suitable for accommodating and carrying various molecules, including pharmaceuticals.
• Traditional drug delivery systems face limitations that novel carriers aim to overcome.

Purpose of the Study:

• To provide an overview of the potential of layered silicates as drug carriers.
• To explore methods for enhancing drug loading capacity and versatility.
• To discuss future directions in stimuli-responsive layered silicate drug delivery systems.

Main Methods:

• Review of literature on layered silicate properties and drug interactions.
• Analysis of organic modification techniques for surface functionalization.
• Examination of in vitro drug release studies, particularly under acidic conditions.
• Introduction to stimuli-responsive hybrids based on layered silicates.

Main Results:

• Layered silicates can effectively accommodate drug molecules through electrostatic interactions and surface modification.
• Organic modification allows for the loading of a wider range of drug molecules beyond cationic ones.
• In vitro release experiments demonstrate drug release capabilities, especially in acidic environments.
• Stimuli-responsive hybrids show potential for targeted and controlled drug delivery.

Conclusions:

• Layered silicates represent a promising platform for drug delivery applications.
• Surface modification and the development of stimuli-responsive systems are key for advancing their use.
• Further research into material variations and hybrid systems will expand their therapeutic potential.