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Published on: February 22, 2019
Pulmonary applications and toxicity of engineered nanoparticles
Jeffrey W Card1, Darryl C Zeldin, James C Bonner
1Cantox Health Sciences International, 2233 Argentia Rd., Suite 308, Mississauga, Ontario, Canada L5N 2X7. jcard@cantox.com
Summary
Engineered nanoparticles offer advanced respiratory research and drug delivery but may cause lung toxicity. Further study is needed to balance their benefits against potential pulmonary risks.
Area of Science:
- Nanotechnology
- Pulmonary Medicine
- Toxicology
Background:
- Engineered nanoparticles possess unique physicochemical properties with significant potential in respiratory research and medicine.
- Applications include enhanced imaging capabilities and targeted drug delivery to the lungs.
- However, these properties also raise safety concerns regarding potential adverse effects on pulmonary health.
Purpose of the Study:
- To provide an overview of the applications of nanoparticles and nanotechnology in respiratory research and medicine.
- To highlight key issues and recent data concerning nanoparticle-induced pulmonary toxicity.
- To assess the dual potential of nanoparticles in advancing respiratory medicine while addressing safety concerns.
Main Methods:
- Literature review of engineered nanoparticles in respiratory applications.
- Analysis of existing data on nanoparticle-lung interactions.
- Synthesis of information on potential benefits versus toxicological risks.
Main Results:
- Nanoparticles show promise for improved diagnostic imaging and therapeutic drug delivery in the respiratory system.
- Accumulating evidence suggests potential adverse effects of nanoparticles on lung structure and function.
- The respiratory system's susceptibility to inhaled substances and systemic delivery makes it a key target for nanoparticle toxicity.
Conclusions:
- Engineered nanoparticles present a significant opportunity for innovation in respiratory medicine.
- Careful evaluation of nanoparticle safety and pulmonary toxicity is crucial for responsible development and application.
- Balancing the therapeutic potential with the inherent risks is essential for harnessing nanotechnology in respiratory health.

