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Related Concept Videos

RNA-seq03:21

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
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...

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Updated: May 18, 2026

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis
14:53

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis

Published on: September 10, 2014

Novel biochip platform for nucleic acid analysis.

Salvatore Pernagallo1, Giorgio Ventimiglia, Claudia Cavalluzzo

  • 1DestiNA Genomics Ltd., West Mains Road, Edinburgh, UK. salvatore.pernagallo@destinagenomics.com

Sensors (Basel, Switzerland)
|September 13, 2012
PubMed
Summary
This summary is machine-generated.

A new biochip platform enables rapid and highly specific identification of nucleic acids like DNA and microRNAs. This technology advances clinical diagnostics for genetic diseases, cancers, and toxicology.

Keywords:
Lab-on-Chip (LoC)dynamic chemistrymengo virus (MGV)microRNA-122 (miRNA122)microarraymicrofluidicnucleic acidnucleic acid test (NAT)peptide nucleic acid (PNA)point-of-care (POC)polymerase chain reaction (PCR)single nucleotide polymorphism (SNP)

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Area of Science:

  • Biotechnology
  • Molecular Diagnostics
  • Genomics

Background:

  • Nucleic acid analysis is crucial for diagnosing genetic diseases, cancers, and other conditions.
  • Current diagnostic methods can be time-consuming and require specialized equipment.
  • There is a need for rapid, specific, and accessible nucleic acid testing platforms.

Purpose of the Study:

  • To describe a novel biochip platform for rapid and specific nucleic acid analysis.
  • To evaluate the integration of DestiNA Genomics' dynamic chemistry with STMicroelectronics' In-Check platform.
  • To highlight the potential of this biochip system for clinical diagnostics.

Main Methods:

  • Development of a biochip integrating dynamic chemistry for nucleic acid testing.
  • Utilizing STMicroelectronics' In-Check platform with microfluidic PCR chambers.
  • Employing a sequential microarray for fluorescence-based nucleic acid capture and identification.

Main Results:

  • The biochip platform achieves rapid analysis and identification of nucleic acids (DNA, microRNAs).
  • High specificity in nucleic acid detection was demonstrated.
  • The system is compact, requires minimal personnel, and is user-friendly.

Conclusions:

  • The novel biochip platform offers a promising solution for advanced clinical diagnostics.
  • It has the potential to expand routine testing for genetic diseases, cancers, and toxicology.
  • The technology is well-suited for the companion diagnostics market.