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Related Concept Videos

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...
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.
Drug Delivery Systems: Different Types01:27

Drug Delivery Systems: Different Types

Conventional oral drug products, termed immediate-release (IR) formulations, are engineered to promptly release their active pharmaceutical ingredient (API) upon ingestion, typically in tablets or capsules. This rapid release often results in swift drug absorption and consequent pharmacodynamic effects, although the timing and intensity can vary depending on the drug's properties. Prodrugs within these formulations require metabolic conversion to activate their pharmacodynamic effects,...
Modified-Release Drug Delivery Systems: Overview01:19

Modified-Release Drug Delivery Systems: Overview

Modified-release dosage forms are designed to address the limitations of drugs with short biological half-lives. These forms maintain stable therapeutic drug concentrations over extended periods, reducing the need for frequent dosing. A consistent drug level helps minimize peak-trough fluctuations, which can reduce adverse effects, lower the risk of drug resistance, and improve overall treatment effectiveness.One common type of modified-release form is the extended-release (ER) formulation. ER...
Modified-Release Drug Delivery Systems: Classification01:23

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Modified-release drug delivery systems improve drug efficacy and minimize side effects by controlling the rate and location of drug release. These systems fall into three categories: rate-programmed, stimuli-activated, and site-targeted.Rate-programmed systems release drugs at a predetermined rate, maintaining consistent therapeutic levels and reducing fluctuations that could lead to toxicity or subtherapeutic effects. These systems use polymeric matrices, reservoir-based designs, or osmotic...
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Parenteral drug delivery systems play a crucial role in modern therapeutics by enabling the direct administration of drugs into the systemic circulation, bypassing the gastrointestinal tract. These systems are particularly valuable for poorly absorbed oral medications that are unstable in the digestive environment or require rapid onset or sustained therapeutic levels. Delivery is achieved through intravenous, intramuscular, or subcutaneous routes, each selected based on the drug's properties...

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Related Experiment Video

Updated: Jun 15, 2026

A "Plug-And-Display" Nanoparticle Vaccine Platform Based on Outer Membrane Vesicles Displaying SARS-CoV-2 Receptor-Binding Domain
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Nanoparticle-Based Delivery Systems for Vaccines.

Rajashri Bezbaruah1, Vivek P Chavda2, Lawandashisha Nongrang1

  • 1Department of Pharmaceutical Sciences, Faculty of Science and Engineering, Dibrugarh University, Dibrugarh 786004, Assam, India.

Vaccines
|November 24, 2022
PubMed
Summary
This summary is machine-generated.

Nanoparticle-based vaccines offer a promising solution to overcome the limitations of traditional vaccines, enhancing immunogenicity and protection against infectious diseases. This review explores the current landscape of nanovaccine development and characterization.

Keywords:
exosomenanocarriersnanoparticlesnanovaccine

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Area of Science:

  • Nanotechnology
  • Immunology
  • Biomedical Engineering

Background:

  • Conventional vaccines face challenges with low immunogenicity and incomplete protection against infectious diseases.
  • Recent advances in chemical and biological engineering enable precise control over nanoparticle characteristics.

Purpose of the Study:

  • To provide an overview of the current status of nanoparticle-based vaccines (nanovaccines).
  • To highlight the advantages of nanovaccines over traditional and subunit vaccines.

Main Methods:

  • Characterization of nanovaccines involves a combination of physicochemical, immunological, and toxicological assessments.
  • Engineering breakthroughs allow for tailored nanoparticle size, shape, functionality, and surface properties.

Main Results:

  • Nanoparticle-based vaccines demonstrate improved antigen presentation.
  • Enhanced immunogenicity and potentially broader protection are key outcomes.

Conclusions:

  • Nanovaccines represent a significant advancement in vaccine technology.
  • Further research and characterization are crucial for their clinical application.