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Related Concept Videos

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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...
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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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Analyzing DNA-Protein Interactions with Streptavidin-Based Biolayer Interferometry
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Emerging quantitative techniques for characterizing nucleic acid-involved molecular interactions.

Ling Peng1, Yanxi Wang2, Mingguang Jin2

  • 1College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan, 610068, China.

Nanoscale Horizons
|December 24, 2025
PubMed
Summary
This summary is machine-generated.

Quantitative methods for studying nucleic acid interactions are crucial for biology and engineering. DNA nanotechnology offers advanced, sensitive platforms for thermodynamic profiling in native conditions.

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Area of Science:

  • Molecular biology
  • Biophysics
  • Biomedical engineering

Background:

  • Nucleic acid interactions are fundamental to biological processes like gene expression and signaling.
  • Accurate thermodynamic and kinetic data are vital for understanding molecular mechanisms and for rational design in various scientific fields.

Purpose of the Study:

  • To systematically review and compare six major categories of quantitative methods for studying nucleic acid interactions.
  • To evaluate the advantages and limitations of established techniques and emerging DNA nanotechnology-based strategies.

Main Methods:

  • Spectroscopic methods
  • Separation-based methods
  • Calorimetric methods
  • Surface-based binding assays
  • Single-molecule methods
  • DNA nanotechnology-based methods

Main Results:

  • Conventional methods (e.g., EMSA, ITC) provide foundational insights but have limitations in sensitivity, throughput, and physiological relevance.
  • Emerging DNA nanotechnology methods, including DNA origami, enable highly sensitive and adaptable quantitative analysis.
  • Novel platforms offer accurate thermodynamic profiling under physiologically relevant conditions.

Conclusions:

  • DNA nanotechnology presents powerful new tools for advancing the quantitative analysis of nucleic acid interactions.
  • These advanced methods enhance sensitivity and applicability, paving the way for deeper insights and novel applications.