Detection of gas-phase analytes using liquid crystals

摘要

Provided herein is technology relating to detecting gaseous analytes and particularly, but not exclusively, to devices and methods related to detecting gaseous analytes by monitoring changes in liquid crystals upon exposure to the gaseous analytes.

主权项

1. A method for detecting an analyte in a gaseous phase, the method comprising:
1) providing a liquid crystal assay device comprising:
a) a first surface contacting a composition comprising a liquid crystal so that the liquid crystal forms a liquid crystal film on the first surface;b) a second surface;c) a headspace between the liquid crystal film on the first surface and the second surface; 2) exposing the liquid crystal assay device to a sample suspected of comprising an analyte; and 3) detecting the presence of the analyte,
wherein a change in a property of the liquid crystal composition in the liquid crystal assay device caused by an interaction of the analyte with the liquid crystal assay device is indicative of the presence of the analyte.