CPC G01N 1/04 (2013.01) [G01N 1/36 (2013.01); G01N 1/4077 (2013.01); G01N 21/658 (2013.01); G01N 33/227 (2013.01); G01N 2001/028 (2013.01); G01N 2001/4094 (2013.01)] | 18 Claims |
1. A method comprising:
applying a rapidly curable liquid gel to a sampling surface, the rapidly curable liquid gel comprising one or more metal particles;
co-aggregating the one or more metal particles in the rapidly curable liquid gel and an analyte from the sampling surface by applying ultrasonic waves to the rapidly curable liquid gel and the sampling surface using a piezoelectric transducer;
curing the rapidly curable liquid gel to yield a sampling matrix including the analyte; and
removing the sampling matrix including the analyte from the sampling surface.
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