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Related Concept Videos

Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
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DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
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Related Experiment Video

Updated: May 19, 2026

NanoDrop Microvolume Quantitation of Nucleic Acids
09:28

NanoDrop Microvolume Quantitation of Nucleic Acids

Published on: November 22, 2010

Advances in quantitative FRET-based methods for studying nucleic acids.

Søren Preus1, L Marcus Wilhelmsson

  • 1Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark.

Chembiochem : a European Journal of Chemical Biology
|September 1, 2012
PubMed
Summary
This summary is machine-generated.

Förster resonance energy transfer (FRET) offers insights into molecular interactions. Recent advances enhance FRET

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Combining QD-FRET and Microfluidics to Monitor DNA Nanocomplex Self-Assembly in Real-Time

Published on: August 26, 2009

Area of Science:

  • Biophysics
  • Molecular Biology
  • Nanotechnology

Background:

  • Förster resonance energy transfer (FRET) is a biophysical technique used to measure nanoscale distances and molecular interactions.
  • Its efficiency is highly sensitive to probe separation, making it suitable for "on/off" assays.
  • Quantifying distances and 3D structures using FRET presents significant challenges.

Purpose of the Study:

  • To review recent advancements in FRET technology.
  • To highlight FRET's application as a quantitative molecular ruler in nucleic acid systems.
  • To discuss improvements at both ensemble and single-molecule levels.

Main Methods:

  • Review of recent scientific literature on FRET.
  • Analysis of technological innovations enhancing FRET capabilities.
  • Focus on applications in nucleic acid research.

Main Results:

  • Recent studies demonstrate improved FRET accuracy for distance measurements.
  • Technological progress has enhanced FRET's utility as a quantitative tool.
  • FRET is increasingly effective for analyzing nucleic acid structures and dynamics.

Conclusions:

  • FRET has been significantly advanced as a quantitative molecular ruler.
  • These improvements are particularly impactful in nucleic acid systems.
  • Both ensemble and single-molecule FRET techniques show enhanced capabilities.