.png){kind=icon}
.png){kind=icon}
Return
Room-temperature phosphorescence sensor array for the detection and discrimination of neonicotinoid insecticides based on a host–guest doping strategy
.png){kind=icon}
PRE
AI
C
L
Y
F
施
X
王
DOI：10.1039/D5AN00521C.png)
.png){kind=icon}
Original request for help.png){kind=icon}
Share.png){kind=icon}
Save
Abstract
En 中文
Detection and discrimination of neonicotinoid insecticides (NNIs) are highly desired; but they are still challenging tasks owing to the minor differences in the molecular structures among the massive subtypes of NNIs. In this work; a room-temperature phosphorescence (RTP) sensor array for the detection and discrimination of NNIs was fabricated via a host–guest doping strategy. NNIs were doped into a boric acid host; which enhanced its RTP intensities by inhibiting the molecular motion; narrowing the energy gap between the singlet and triplet states; and providing rigid protection structures. A sensor array was fabricated by integrating the RTP intensities and emission lifetimes. Five types of NNIs were quantitatively detected and discriminated using statistical algorithms. Aided by the delayed collection model of the RTP signal; the sensor array showed excellent detection performance in real food samples. These results open a new door for designing various detection routes for applications in food analysis.
Keywords:
neonicotinoid insecticides
room-temperature phosphorescence
sensor array
host–guest doping
food analysis
Journal
A
IF:
3.3
Papers:
1.6W
Citations:
3.3W
Organization
Cited Papers