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Updated: Jul 19, 2025

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Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles
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Naked-eye visualization of nucleic acid amplicons using hierarchical nanoassembly
Vinni Thekkudan Novi1, Abdennour Abbas1
1Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN 55108, USA. aabbas@umn.edu.
Analytical Methods : Advancing Methods and Applications
|August 17, 2023
Abstract:
This study reports the development of a rapid visualization method for DNA amplicons. Oligonucleotide-coated gold nanoparticles hierarchically assemble on DNA networks to form globular nanostructures, which precipitate into a distinct visible red pellet. This aims to overcome challenges associated with nanoparticle aggregation and dye-based colorimetric detection in LAMP assays.

