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Related Concept Videos

Nucleic acids02:43

Nucleic acids

Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes, the...
Nucleic Acid Structure01:25

Nucleic Acid Structure

The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
DNA Structure
DNA has a double-helix structure. The...
RNA Structure01:23

RNA Structure

Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...

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Related Experiment Video

Updated: May 15, 2026

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications
08:59

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

Published on: September 27, 2019

Nucleic acid nanostructures for biomedical applications.

David Smith1, Verena Schüller, Christian Engst

  • 1Physics & Center for NanoScience, Ludwig-Maximilians-Universität, Geschwister-Scholl-Platz 1, 80539 Munich, Germany.

Nanomedicine (London, England)
|December 22, 2012
PubMed
Summary
This summary is machine-generated.

DNA nanostructures offer precise control for advanced applications like drug delivery and diagnostics. Recent in vivo successes signal a new era for these versatile nanoscale tools in biomedicine.

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Last Updated: May 15, 2026

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Published on: September 27, 2019

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Area of Science:

  • Biotechnology and Nanomedicine
  • Molecular Engineering

Background:

  • DNA's predictable base pairing enables precise construction of nanoscale materials.
  • DNA nanostructures offer unparalleled control over size, shape, and dispersity.
  • These structures serve as versatile platforms for biomedical applications.

Purpose of the Study:

  • To review current advancements in DNA nanostructures for various biomedical fields.
  • To highlight the potential of DNA nanotechnology in drug delivery, immunotherapy, and diagnostics.
  • To discuss the implications of recent in vivo applications.

Main Methods:

  • Review of existing literature on DNA nanostructures.
  • Analysis of structural properties and modification capabilities.
  • Evaluation of in vitro and in vivo application data.

Main Results:

  • DNA nanostructures provide exceptional control over nanoscale architecture.
  • Site-specific modifications allow for tailored biomolecule presentation and targeted delivery.
  • Successful in vivo applications have been recently demonstrated.

Conclusions:

  • DNA nanostructures are powerful tools for drug delivery, immunotherapy, diagnostics, and molecular biology.
  • The precise control and versatility of DNA nanostructures are driving innovation in nanomedicine.
  • The field is poised for significant growth with increasing in vivo validation.