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Related Experiment Video

Updated: Jul 31, 2025

Preparation of Multifunctional Silk-Based Microcapsules Loaded with DNA Plasmids Encoding RNA Aptamers and Riboswitches

Preparation of Multifunctional Silk-Based Microcapsules Loaded with DNA Plasmids Encoding RNA Aptamers and Riboswitches

Published on: October 8, 2021

DNA storage in thermoresponsive microcapsules for repeated random multiplexed data access.

Bas W A Bögels^1,2,3, Bichlien H Nguyen^4,5, David Ward⁵

¹Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.

Nature Nanotechnology

|May 4, 2023

Summary

This study introduces a new method for DNA data storage using thermoresponsive microcapsules. This technology enables efficient, repeated random access to DNA files, overcoming limitations of current DNA storage systems.

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Last Updated: Jul 31, 2025

Preparation of Multifunctional Silk-Based Microcapsules Loaded with DNA Plasmids Encoding RNA Aptamers and Riboswitches

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Area of Science:

Biotechnology
Molecular Biology
Data Storage

Background:

DNA offers high density and durability for archival data storage.
Scalable, random access remains a challenge for DNA-based storage systems.
Existing methods lack robust, repeated random access capabilities.

Purpose of the Study:

To develop a method for robust, multiplexed, and repeated random access to DNA data.
To enhance the efficiency and reduce bias in DNA data retrieval.
To establish a scalable and sequence-agnostic approach for DNA storage.

Main Methods:

Utilized thermoresponsive, semipermeable microcapsules containing biotin-functionalized oligonucleotides.
Implemented thermoconfined polymerase chain reaction (PCR) for compartmentalized amplification.
Employed fluorescent sorting and microcapsule barcoding for data retrieval.

Main Results:

Demonstrated superior performance in repeated random access compared to non-compartmentalized DNA storage.
Reduced amplification bias by tenfold during multiplex PCR.
Successfully achieved sample pooling and data retrieval using microcapsule barcoding.

Conclusions:

Thermoresponsive microcapsules provide a scalable solution for repeated random access to DNA data.
The developed platform enhances the practicality of DNA for archival storage.
This technology paves the way for more efficient and reliable DNA data storage solutions.