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DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
DNA as a Genetic Template02:05

DNA as a Genetic Template

Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
DNA as a Genetic Template02:05

DNA as a Genetic Template

Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
DNA Packaging00:58

DNA Packaging

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Genomic DNA in Eukaryotes00:58

Genomic DNA in Eukaryotes

Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.
The DNA Helix01:16

The DNA Helix

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Related Experiment Video

Updated: May 14, 2026

Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

DNA nanoarchitectonics: assembled DNA at interfaces.

Stefan Howorka1

  • 1Department of Chemistry, Institute of Structural Molecular Biology, University College London, London, England, United Kingdom. s.howorka@ucl.ac.uk

Langmuir : the ACS Journal of Surfaces and Colloids
|February 5, 2013
PubMed
Summary

DNA nanostructures offer versatile applications in surface science, enabling advanced biosensing and nanotechnology. This perspective explores their use in creating functional interfacial layers for diverse scientific fields.

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Last Updated: May 14, 2026

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Biotechnology

Background:

  • DNA is a versatile biomaterial for constructing nanostructures.
  • Positioning DNA nanoarchitectures at interfaces offers unique surface property advantages.

Purpose of the Study:

  • To highlight the benefits and challenges of using assembled DNA as a nanoscale building block for interfacial layers.
  • To survey applications of DNA interfacial layers in surface coatings, nanopatterning, and nanoparticle lattices.
  • To discuss future research directions in DNA-based interfacial engineering.

Main Methods:

  • Review of existing literature and research on DNA nanoarchitectures at interfaces.
  • Analysis of applications in homogeneous dense surface coatings.
  • Examination of bottom-up nanopatterning strategies using DNA.
  • Investigation of 3D nanoparticle lattice formation with DNA scaffolds.

Main Results:

  • DNA nanoarchitectures provide a powerful platform for creating functional surfaces.
  • Applications demonstrated in homogeneous coatings, precise nanopatterning, and ordered 3D lattices.
  • Identified benefits include rational design and functional enhancement of nanostructures.

Conclusions:

  • Assembled DNA serves as a key nanoscale building block for interfacial layers.
  • DNA-based interfaces hold significant potential for advancements in biosensing, nanotechnology, materials science, and cell biology.
  • Future research should focus on further exploring and optimizing DNA interfacial engineering for novel applications.