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Formulations and methods for stabilizing PCR reagents

  • US 9,725,703 B2
  • Filed: 12/20/2013
  • Issued: 08/08/2017
  • Est. Priority Date: 12/20/2012
  • Status: Active Grant
First Claim
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1. A liquid composition comprising a polymerase and a storage stabilizing agent, wherein the storage stabilizing agent comprises at least one cationic ester compound selected from the group consisting of:

  • [i] 1-(2-ethoxy-2-oxoethyl)-3-hydroxy-1-methylpiperidium bromide,[ii] N-(2-cyanoethyl)-2-ethoxy-N,N-dimethyl-2-oxoethanaminium bromide,[iii] 2-ethoxy-N,N-diethyl-N-methyl-2-oxoethanaminium bromide,[iv] N-(2-ethoxy-2-oxoethyl)-N,N-dimethylcyclohexanaminium bromide, and[v] 2-ethoxy-N-(2-(2-hydroxyethoxy)ethyl)-N,N-dimethyl-2-oxoethanaminium bromide.

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