Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Capture of carbonyl volatile organic compounds (VOCs) in exhaled breath using a silicon microreactor. (a) The microreactor connected to two fused silica tubes. A dime was placed near the microreactor to indicate the size of the microreactor. (b) Optical micrograph of the microreactor before bonded with a glass wafer. (c) SEM micrograph of the micropillar array in the microreactor.
