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Related Concept Videos

Micelles01:30

Micelles

Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...
Modified-Release Drug Delivery Systems: Rate-Programmed II01:19

Modified-Release Drug Delivery Systems: Rate-Programmed II

Rate-programmed drug delivery systems release drugs in a controlled manner to maintain therapeutic levels. Three main designs include reservoir, matrix, and hybrid systems.Reservoir systems consist of a drug core enclosed within a membrane that controls drug release. In non-swelling reservoir systems, polymers like ethyl cellulose or polymethacrylates are used. These do not hydrate in aqueous media and control release through membrane thickness, porosity, or insolubility. This type includes...
Modified-Release Drug Delivery Systems: Site-Targeted01:24

Modified-Release Drug Delivery Systems: Site-Targeted

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.
Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

Site-Targeted Drug Delivery Systems: Polymeric Carriers

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: Jun 24, 2026

Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
07:32

Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles

Published on: August 28, 2015

11.4K

Polymeric-Micelle-Based Delivery Systems for Nucleic Acids.

Genada Sinani1, Meltem Ezgi Durgun2, Erdal Cevher2

  • 1Department of Pharmaceutical Technology, Faculty of Pharmacy, Altinbas University, 34147 Istanbul, Türkiye.

Pharmaceutics
|August 26, 2023
PubMed
Summary

Polymeric micelles offer a promising solution for delivering nucleic acids, overcoming challenges like poor stability and cellular uptake to enhance therapeutic efficacy for various diseases.

Keywords:
DNARNAcationic polymergene deliverymicelleplexnucleic acidpolyion complex micellepolymeric micellepolyplex

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Related Experiment Videos

Last Updated: Jun 24, 2026

Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
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Assembly and Characterization of Polyelectrolyte Complex Micelles
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Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform

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Area of Science:

  • Biotechnology and Nanomedicine
  • Gene Therapy Delivery Systems

Background:

  • Nucleic acids hold significant therapeutic potential for diseases but face delivery challenges including rapid clearance, instability, and poor cellular uptake.
  • Effective delivery systems are crucial for overcoming these barriers and achieving desired therapeutic outcomes.

Purpose of the Study:

  • To review the design, development, and application of polymeric micelles as delivery vehicles for nucleic acids.
  • To highlight strategies for enhancing nucleic acid delivery, targeting, and therapeutic efficacy.

Main Methods:

  • Exploration of polymeric micelle structures, composition, and preparation methods.
  • Discussion of strategies like stimuli-sensitive groups and ligand conjugation for improved delivery.
  • Analysis of simultaneous delivery of nucleic acids and chemotherapeutics for combination therapy.

Main Results:

  • Polymeric micelles demonstrate versatility in overcoming extracellular and intracellular barriers for nucleic acid delivery.
  • Tailored micelle designs can protect nucleic acids from degradation and promote cellular uptake.
  • Simultaneous delivery via micelles enables synergistic combination treatments.

Conclusions:

  • Polymeric micelles are effective carriers for nucleic acid therapeutics, improving safety and efficacy.
  • Advanced micelle strategies address key challenges in nucleic acid delivery for clinical translation.
  • This review provides insights into current developments and future directions for polymeric micelle-based nucleic acid delivery.