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Updated: May 15, 2026

A Flow Cytometry-Based Cell Surface Protein Binding Assay for Assessing Selectivity and Specificity of an Anticancer Aptamer
Published on: September 13, 2022
Targeting cancer cells with controlled release nanocapsules based on a single aptamer
Frank J Hernandez1, Luiza I Hernandez, Alessandro Pinto
1Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine University of Iowa, Iowa City, IA 52242, USA.
This study introduces an engineered molecular gate using aptamers to precisely target cancer cells with nanoparticles. This novel nanovalve system enables controllable drug delivery, overcoming key challenges in nanomedicine.
Area of Science:
- Biotechnology
- Nanomedicine
- Molecular Engineering
Background:
- Molecular gates are explored for drug delivery, with aptamer-based systems showing promise for nanocapsule applications.
- Current challenges in drug delivery include precise targeting and controlled release of therapeutic payloads.
Purpose of the Study:
- To demonstrate an engineered single molecular gate for targeted nanoparticle delivery to cancer cells.
- To develop a controllable drug delivery system based on switchable aptamer nanovalves.
Main Methods:
- Utilizing a switchable aptamer nanovalve approach to engineer a molecular gate.
- Directing nanoparticles specifically to cancer cells for payload delivery.
Main Results:
- Successful demonstration of an engineered single molecular gate.
- Achieved controllable nanoparticle delivery to cancer cells.
Conclusions:
- The aptamer-based molecular gate offers a novel strategy for targeted cancer therapy.
- This nanovalve system provides a controllable platform for nanoparticle-based drug delivery.
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