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Updated: Sep 21, 2025

Targeted Plasma Membrane Delivery of a Hydrophobic Cargo Encapsulated in a Liquid Crystal Nanoparticle Carrier

Targeted Plasma Membrane Delivery of a Hydrophobic Cargo Encapsulated in a Liquid Crystal Nanoparticle Carrier

Published on: February 8, 2017

DNA-Modified Liquid Crystal Droplets.

Xiuxiu Yang¹, Xiao Liang¹, Rajib Nandi¹

¹Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China.

|May 28, 2022

Summary

This summary is machine-generated.

This study introduces DNA-modified liquid crystal (LC) droplets for sensitive chemical and biomolecule detection. These droplets aggregate visibly upon binding targets, enabling a novel, naked-eye detection platform.

Keywords:

DNA aptamer DNA nanotechnology liquid crystal droplets microcontact printing sensors

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Last Updated: Sep 21, 2025

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Area of Science:

Nanotechnology
Materials Science
Biochemistry

Background:

Liquid crystals (LCs) exhibit optical birefringence.
DNA nanotechnology offers sequence programmability.
Combining these offers novel sensing capabilities.

Purpose of the Study:

To develop DNA-modified LC droplets for sensing.
To demonstrate LC droplet aggregation via DNA hybridization.
To create a visual detection platform for chemicals and biomolecules.

Main Methods:

Adsorbing DNA amphiphiles onto LC droplets.
Utilizing complementary DNA hybridization for aggregation.
Functionalizing droplets with specific DNA aptamers for target recognition.
Employing microcontact printing for patterned surfaces.

Main Results:

Demonstrated DNA-modified LC droplet aggregation.
Achieved visual detection of Hg²⁺, thrombin, and enzymes.
Showcased temperature-induced, reversible surface patterning.

Conclusions:

First report of DNA-modified LC droplets for sensing.
Established a general aptamer-based detection platform.
Inspired new avenues in surface information visualization and microcontact printing.