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Updated: Jun 3, 2025

Dry Powder and Nebulized Aerosol Inhalation of Pharmaceuticals Delivered to Mice Using a Nose-only Exposure System

Dry Powder and Nebulized Aerosol Inhalation of Pharmaceuticals Delivered to Mice Using a Nose-only Exposure System

Published on: April 6, 2017

Inhalable Mucociliary-On-Chip System Revealing Pulmonary Clearance Dynamics in Nanodrug Delivery.

Ko-Chih Lin^1,2, Hsuan-Yu Lin², Chuan-Yi Yang^1,2

¹Department of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.

|January 8, 2025

Summary

A new breathing mucociliary-on-a-chip platform accurately models lung airflow and clearance for inhaled nanodrug delivery. This tool enhances nanocarrier design and drug release strategies for chronic lung diseases.

Keywords:

breathing patterns horizontal shear stress in vitro drug release inhaled nanodrug delivery microphysiological systems mucosal barrier nanoparticle penetration

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Area of Science:

Biomedical Engineering
Drug Delivery Systems
Pulmonary Medicine

Background:

Current in vitro models inadequately simulate human respiratory dynamics and mucosal barriers.
Accurate assessment of inhaled nanodrug delivery is vital for treating chronic lung diseases.

Purpose of the Study:

To develop and validate a novel in vitro platform for assessing inhaled nanodrug delivery.
To investigate the impact of airflow dynamics on nanocarrier deposition, penetration, and drug release.

Main Methods:

Development of the breathing mucociliary-on-a-chip (BMC) platform.
Replication of in vitro mucociliary clearance and respiratory airflow patterns.
Analysis of liposome deposition and penetration under varying airflow conditions.

Main Results:

The BMC platform accurately replicates lung airflow and mucociliary clearance.
Liposome penetration depth increased under high shear stress.
Static and dynamic airflows significantly influenced nanodrug release rates.

Conclusions:

The BMC platform offers a more accurate method for evaluating inhaled nanodrug delivery systems.
Airflow dynamics are critical for optimizing nanocarrier design and drug release.
This platform advances the development of personalized inhaled therapies for pulmonary diseases.