申请人:UNIV CITY
公开号:WO2012098242A1
公开(公告)日:2012-07-26
An optical sensor (1) for pH monitoring in highly alkaline mediums, the sensor (1) comprising: a sensor body (3) that fluoresces when illuminated by light, the sensor body (3) being configured to exhibit a change in fluorescence in response to changing pH in highly alkaline mediums, the sensor further comprising means (5) for coupling the sensor body to a source of illumination. A system (11) is also disclosed, along with methods of synthesising pH sensitive polymerisable fluorescent coumarin dyes, and pH sensitive polymerisable fluorescent coumarin dyes.