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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

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Published on: November 21, 2013

Heteromer Nanostars by Spontaneous Self-Assembly.

Caitlin Brocker¹, Hannah Kim², Daniel Smith³

¹Department of Chemical and Biochemical Engineering, Missouri University of Science and Technology, 110 Bertelsmeyer Hall, 1101 N. State Street, Rolla, MO 65409, USA. cebfk6@mst.edu.

Nanomaterials (Basel, Switzerland)

|June 1, 2017

Summary

Novel heteromer nanostars offer a promising platform for drug delivery. These star-shaped nanoparticles enhance therapeutic agent delivery and intracellular uptake in breast cancer cells with low cytotoxicity.

Keywords:

nanostar polylactide-co-glycolic acid (PLGA)star shape tetrakis (hydroxylmethyl) phosphonium chloride (THPC)

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Published on: July 9, 2015

Area of Science:

Nanotechnology
Materials Science
Biomedical Engineering

Background:

Heteromer star-shaped nanoparticles show potential for drug delivery applications.
Effective intracellular uptake and sustained drug release are critical for therapeutic efficacy.
Targeted delivery to diseased sites can minimize systemic side effects.

Purpose of the Study:

To synthesize and characterize novel heteromer nanostars for drug delivery.
To evaluate the potential of these nanostars for breast cancer treatment.
To assess the drug release profile and cellular interactions of the nanostars.

Main Methods:

A one-step seed mediation process using polylactide-co-glycolic acid (PLGA), polyvinyl alcohol (PVA), silver nitrate, and tetrakis(hydroxymethyl)phosphonium chloride (THPC).
UV irradiation was employed to induce the formation of heteromer nanostars.
In vitro studies were conducted to evaluate drug release, intracellular uptake, and cytotoxicity in breast cancer cells.

Main Results:

Heteromer nanostars were successfully synthesized with a unique star-shaped morphology and high yield.
The nanostars demonstrated significant intracellular uptake by breast cancer cells.
Low cytotoxicity was observed, indicating a favorable safety profile for drug delivery.

Conclusions:

The synthesized heteromer nanostars represent a promising drug delivery vehicle for breast cancer therapy.
Their unique structure facilitates efficient cellular uptake and controlled drug release.
Further research is warranted to explore their therapeutic potential in vivo.