Patent ID: 11860118
Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 14:
15. A biosensing system configured to detect a target DNA, the biosensing system comprising:
a biosensor comprising a suspension of a hybridization buffer containing dispersed gold nanoparticles, sodium chloride, and single-stranded DNA probes configured to undergo DNA hybridization with the target DNA; and
a laser configured to direct a beam of near-infrared radiation into the biosensor, wherein the beam of near-infrared radiation is configured to induce a photothermal effect in any aggregated gold nanoparticles present in the biosensor,
wherein the biosensor comprises 40 milliMolar concentration of sodium chloride.