APPARATUSES AND METHODS FOR DETERMINING ANALYTE CHARGE

The present disclosure provides a sensor including a pore and an applied electric field that is capable of detecting analytes such as nucleic acids. In accordance with various embodiments, the sensor comprises a fluidic chamber having electrically opposing portions with a membrane between, the membr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAU Billy Tsz Cheong, JI Hanlee P, PERSSON Henrik H.J, LIU Yang, DAVIS Ronald W, DUTTON Robert W, PAIK Kee-Hyun
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present disclosure provides a sensor including a pore and an applied electric field that is capable of detecting analytes such as nucleic acids. In accordance with various embodiments, the sensor comprises a fluidic chamber having electrically opposing portions with a membrane between, the membrane providing a pore suitable for the passage of an electrolyte between the electrically opposing portions of the fluidic chamber, and having at least one charged analyte tethered in proximity to the pore, a first circuit configured to apply an electric field capable of passing the electrolyte through the pore and pulling the at least one charged analyte into the pore, and a second circuit configured to measure a signal indicative of the charge of the at least one charged analyte. Also provided are methods for using the sensor, for example, to sequence a nucleic acid molecule.