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Methods and compositions relating to electrical detection of nucleic acid reactions

CA 2393733 A1 · Owner: Gaskin, Mike · Inventors: Maracas, George; Choong, Vi-En; Shi, Song

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Abstract From the Canadian patent

This invention relates to the detection of molecular interactions between biological molecules. Specifically, the invention relates to electrical detection of interactions such as hybridization between nucleic acids or peptide antigen-antibody interactions using arrays of peptides or oligonucleotides. In particular, the invention relates to an apparatus and methods for detecting nucleic acid hybridization or peptide binding using electronic methods including AC impedance. In some embodiments no , electrochemical or other label moieties are used. In others electrochemically , active labels are used to detect reactions on hydrogel arrays including , genotyping reactions such as the …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 11, 2000
GrantedNo grant recorded
Term endedDecember 11, 2020
Patent numberCA 2393733 A1
Classification (IPC)C12Q1/68 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedDec 11, 2000Term endedDec 11, 2020

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.