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Related Concept Videos

Modified-Release Drug Delivery Systems: Site-Targeted01:24

Modified-Release Drug Delivery Systems: Site-Targeted

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Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.
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Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

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Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
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Related Experiment Video

Updated: May 5, 2026

Solid Lipid Nanoparticles SLNs for Intracellular Targeting Applications
08:19

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Published on: November 17, 2015

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Engineered multi-domain lipid nanoparticles for targeted delivery.

Zhaoyu Liu1,2, Jingxun Chen1,2, Mingkun Xu3

  • 1Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, 999077, China. aaron.ho@cuhk.edu.hk.

Chemical Society Reviews
|May 20, 2025
PubMed
Summary
This summary is machine-generated.

Engineered lipid nanoparticles (LNPs) offer precise drug delivery for diseases like cancer. A new framework analyzes LNP design across structure, surface, payload, and environment for optimized therapeutic performance.

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Drug Delivery Systems

Background:

  • Engineered lipid nanoparticles (LNPs) are crucial for targeted drug delivery in complex diseases.
  • Optimizing LNP design faces challenges due to diverse targeting strategies and biological barriers.

Purpose of the Study:

  • Introduce a multi-domain framework to dissect and analyze engineered lipid nanoparticles (LNPs).
  • Provide a comprehensive overview of LNP engineering, function, characterization, and in vivo fate.
  • Explore comparisons with exosomes and alternative delivery routes.

Main Methods:

  • A four-domain framework (structure, surface, payload, environment) for LNP analysis.
  • Review of current and emerging characterization techniques, including cryo-TEM, molecular dynamics, and AI applications.
  • Examination of active, passive, endogenous, and stimuli-responsive targeting mechanisms.

Main Results:

  • The framework facilitates analysis of LNP engineering challenges, mechanisms, and characterization.
  • Highlights the potential of AI in LNP structure screening and de novo design.
  • Demonstrates how integrated targeting mechanisms enhance programmable delivery.

Conclusions:

  • The multi-domain framework provides a systematic approach to understanding and optimizing engineered LNPs.
  • Engineered LNPs show promise for surpassing biological sophistication in therapeutic outcomes.
  • Future directions include leveraging AI for advanced LNP design and application.