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Deoxyribonucleic acid, or DNA, is the genetic material responsible for passing traits from generation to generation in all organisms and most viruses. DNA is composed of two strands of nucleotides that wind around each other to form a spring-like structure called a double helix. However, the double helix is not perfectly symmetrical. Instead, there are regularly occurring grooves in the structure. The major groove occurs where the sugar-phosphate backbones are relatively far apart. This space...

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Related Experiment Video

Updated: Jun 10, 2025

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

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Published on: September 27, 2019

Subtraction-based DNA Origami Cryptography by using Structural Defects for Information Encryption.

Chu Jiang¹, Ruihao Tan¹, Weiying Li²

¹School of Chemical Science and Engineering, Shanghai Research Institute for Intelligent Autonomous Systems, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai, 200092, China.

Small (Weinheim an Der Bergstrasse, Germany)

|October 13, 2024

Summary

This summary is machine-generated.

This study introduces DNA origami for robust cryptography by creating structural defects to encrypt information. This novel DNA cryptography method ensures data safety and recovery through defect manipulation and protein-binding steganography.

Keywords:

DNA origami DNA storage information encryption molecular cryptography

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Last Updated: Jun 10, 2025

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

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Published on: September 27, 2019

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Folding and Characterization of a Bio-responsive Robot from DNA Origami

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Published on: December 3, 2015

Area of Science:

Biotechnology
Cryptography
Nanotechnology

Background:

Conventional cryptography faces threats from increasing computing power.
DNA cryptography offers enhanced security through complex DNA recognition.
DNA origami enables programmable folding for information encryption.

Purpose of the Study:

To present a subtraction-based cryptographic strategy using DNA origami structural defects.
To demonstrate information encryption and steganography via defect manipulation.
To explore the potential for scalable information storage using defective DNA origami.

Main Methods:

Creating structural defects in DNA origami by removing staple strands.
Encrypting information by filling defects with biotinylated staple strands.
Utilizing protein-binding steganography for data visualization and recovery.

Main Results:

Achieved high yields (over 91%) for individual protein pixels.
Implemented self-correction codes to improve information recovery.
Investigated the encrypted organization of defective DNA origami for scalability.

Conclusions:

DNA origami with structural defects provides a robust method for DNA cryptography.
Subtraction-based defect creation offers a secure approach to information encryption.
This technique shows promise for secure and scalable DNA-based information storage.