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Rapid melting curve analysis on monolayered beads for high-throughput genotyping of single-nucleotide polymorphisms

Russom, Aman (author)
KTH,Mikrosystemteknik
Haasl, Sjoerd (author)
KTH,Mikrosystemteknik
Brookes, Anthony J. (author)
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Andersson, Helene (author)
KTH,Mikrosystemteknik
Stemme, Göran (author)
KTH,Mikrosystemteknik
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 (creator_code:org_t)
2006-03-07
2006
English.
In: Analytical Chemistry. - : American Chemical Society (ACS). - 0003-2700 .- 1520-6882. ; 78:7, s. 2220-2225
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • This report describes a rapid solid-phase melting curve analysis method for single-nucleotide polymorphism (SNP) genotyping. The melting curve analysis is based on dynamic allele-specific hybridization (DASH). The DNA duplexes are conjugated on beads that are immobilized on the surface of a microheater chip with integrated heaters and temperature sensors. SNP on PCR products were scored, illustrating the sensitivity and robustness of the system. The method is based on random bead immobilization by microcontact printing. Single-bead detection and multiplexing were performed with a heating rate more than 20 times faster than conventional DASH. Analyses that took more than 15 min could be performed in less that 1 min, enabling ultrarapid SNP analysis. In addition, an array version of the chip was implemented enabling the preparation of an array of bead arrays for high-throughput and rapid SNP genotyping.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Medical Genetics (hsv//eng)

Keyword

allele-specific hybridization
real-time
dna
system
arrays
Clinical genetics
Klinisk genetik

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ref (subject category)
art (subject category)

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Russom, Aman
Haasl, Sjoerd
Brookes, Anthony ...
Andersson, Helen ...
Stemme, Göran
About the subject
MEDICAL AND HEALTH SCIENCES
MEDICAL AND HEAL ...
and Basic Medicine
and Medical Genetics
Articles in the publication
Analytical Chemi ...
By the university
Royal Institute of Technology

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