| 摘要 |
<p>Provided is a method for detecting analyte in a sample, which method comprises: (a) contacting the sample with a peptide nucleic acid (PNA) probe; (b) performing an electrochemical impedance spectrometry (EIS) measurement on the sample; (c) determining the presence, absence, quantity and/or identity of the analyte from the EIS measurement; wherein the analyte comprises nucleic acid; and wherein the quantity of analyte in the sample when the sample is taken is substantially the same as the quantity of analyte in the sample when the sample is subjected to the EIS measurement.</p> |
