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Drug Delivery: Miscellaneous Routes

Drug Delivery: Miscellaneous Routes

Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection, and rectal administration provide localized effects with reduced toxicity.
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Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

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Magnetically Active Bicontinuous Polymer Structures for Multiple Controlled Drug Delivery.

Elisa Lacroce¹, Fabio Pizzetti¹, Nicolás M Barbosa Urrego¹

¹Department of Chemistry, Materials and Chemical Engineering 'Giulio Natta', Politecnico di Milano, Piazza Leonardo da Vinci 32, Milan, 20133, Italy.

Macromolecular Bioscience

|May 11, 2024

Summary

This summary is machine-generated.

Researchers developed a magnetic bijel structure for controlled drug delivery. This innovative system overcomes limitations of current magnetic robots, enabling co-delivery of both hydrophilic and hydrophobic drugs.

Keywords:

bijels colloids drug delivery iron nanoparticles polymers

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Area of Science:

Biomaterials Science
Nanotechnology
Drug Delivery Systems

Background:

Wireless navigable magnetic robots offer precise spatiotemporal control for drug delivery, enhancing therapeutic outcomes.
Current limitations include low drug loading capacity and inability to co-deliver hydrophilic and hydrophobic drugs, hindering development of advanced co-delivery systems.

Purpose of the Study:

To develop a magnetic, bijel-like structure capable of loading and releasing diverse molecules, including both hydrophilic and hydrophobic drugs.
To explore the use of ε-caprolactone polymerization for creating a magnetic biphasic porous structure suitable for co-delivery applications.

Main Methods:

Utilized ε-caprolactone polymerization to form hydrophobic domains within a water dispersion.
Incorporated iron oxide nanoparticles (NPs) to impart magnetic properties.
Created a stable, magnetic, biphasic porous structure without phase separation.

Main Results:

Successfully developed a magnetic bijel-like structure capable of accommodating both hydrophilic and hydrophobic molecules.
The structure demonstrated effective magnetic actuation for controlled manipulation.
The system showed promise as a versatile drug delivery vehicle for co-delivery applications.

Conclusions:

The developed magnetic bijel structure effectively addresses limitations in current magnetic drug delivery systems.
This platform enables simultaneous delivery of multiple drug types, paving the way for advanced co-delivery therapies.
The system exhibits significant potential for improving treatment efficacy across various pathologies.