Direct genetic analysis of ten cancer cells: Tuning sensor structure and molecular probe design for efficient mRNA capture

Elizaveta Vasilyeva, Brian Lam, Zhichao Fang, Mark D. Minden, Edward H. Sargent, Shana O. Kelley

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

A chip-based platform is reported that is able to detect as few as 10 cancer cells. By developing sub-milliscale sensors that are able to capture slow moving biological targets with high efficiency (see picture; scale bar 50 μm), cancer-specific sequences were detected in crude lysates of leukemia cells. This achievement relied on the development of a new type of molecular probe that improves the solubility and performance of neutral nucleic acids.

Original languageEnglish (US)
Pages (from-to)4137-4141
Number of pages5
JournalAngewandte Chemie - International Edition
Volume50
Issue number18
DOIs
StatePublished - Apr 26 2011

Keywords

  • biosensor
  • microchips
  • microelectrodes
  • nucleic acids

ASJC Scopus subject areas

  • General Chemistry
  • Catalysis

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