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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...

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Related Experiment Video

Updated: May 19, 2026

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release
08:39

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release

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Novel dipeptide nanoparticles for effective curcumin delivery.

Shadab Alam1, Jiban J Panda, Virander S Chauhan

  • 1International Centre for Genetic Engineering and Biotechnology, New Delhi, India.

International Journal of Nanomedicine
|August 24, 2012
PubMed
Summary

Novel dipeptide nanoparticles effectively encapsulate curcumin, significantly enhancing its solubility, bioavailability, and anticancer efficacy in vitro and in vivo. This approach offers a promising strategy for improving the delivery of hydrophobic drugs.

Keywords:
anticancercurcumindipeptidehydrophobicnanoparticleself-assembly

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Formulation of Diblock Polymeric Nanoparticles through Nanoprecipitation Technique
06:47

Formulation of Diblock Polymeric Nanoparticles through Nanoprecipitation Technique

Published on: September 20, 2011

Related Experiment Videos

Last Updated: May 19, 2026

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release
08:39

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

Formulation of Diblock Polymeric Nanoparticles through Nanoprecipitation Technique
06:47

Formulation of Diblock Polymeric Nanoparticles through Nanoprecipitation Technique

Published on: September 20, 2011

Area of Science:

  • Biomedical Engineering
  • Drug Delivery Systems
  • Nanotechnology

Background:

  • Curcumin, derived from turmeric, exhibits potent anticancer, antioxidant, and anti-inflammatory properties.
  • Poor aqueous solubility and low bioavailability limit curcumin's therapeutic applications.
  • Previous strategies to enhance curcumin delivery include encapsulation in liposomes, nanoparticles, and hydrogels.

Purpose of the Study:

  • To develop novel self-assembled dipeptide nanoparticles (NPs) for curcumin encapsulation.
  • To investigate the biological activity and therapeutic efficacy of curcumin-loaded dipeptide NPs in cancer models.
  • To assess the potential of dipeptide NPs for improving the delivery of hydrophobic drugs.

Main Methods:

  • Self-assembled dipeptide nanoparticles were synthesized using a nonprotein amino acid, α, β-dehydrophenylalanine.
  • Methionine-dehydrophenylalanine was identified as the optimal dipeptide for curcumin loading and release.
  • In vitro and in vivo cancer models were used to evaluate the efficacy of curcumin-dipeptide NPs.

Main Results:

  • Curcumin encapsulation in dipeptide NPs significantly increased its solubility and cellular availability.
  • Dipeptide-curcumin NPs demonstrated enhanced toxicity against various cancer cell lines.
  • In vivo studies showed improved inhibition of tumor growth in mice treated with curcumin-dipeptide NPs compared to curcumin alone.

Conclusions:

  • Novel dipeptide nanoparticles provide a biocompatible and efficient platform for sustained curcumin delivery.
  • Curcumin-dipeptide NPs exhibit superior in vitro and in vivo chemotherapeutic efficacy.
  • This nanoparticle system holds promise for enhancing the delivery and efficacy of other hydrophobic drug molecules.