期刊
SENSORS
卷 10, 期 7, 页码 7018-7043出版社
MDPI
DOI: 10.3390/s100707018
关键词
organophosphorus compounds; fluorescent chemosensors; pollutants; dual modes of signal transduction
资金
- National Science Foundation [CHE-1005456, DMR-0963678, CHE 0316532]
- U.S. Army [W911QY-07-1-0003]
- American Chemical Society [40092-B4]
- ACS Kalamazoo Section
- Western Michigan University
- Kodak Eastman Foundation
- U.S. Department of Education [P200A090217]
Many organophosphorus (OP) based compounds are highly toxic and powerful inhibitors of cholinesterases that generate serious environmental and human health concerns. Organothiophosphates with a thiophosphoryl (P=S) functional group constitute a broad class of these widely used pesticides. They are related to the more reactive phosphoryl (P=O) organophosphates, which include very lethal nerve agents and chemical warfare agents, such as, VX, Soman and Sarin. Unfortunately, widespread and frequent commercial use of OP-based compounds in agricultural lands has resulted in their presence as residues in crops, livestock, and poultry products and also led to their migration into aquifers. Thus, the design of new sensors with improved analyte selectivity and sensitivity is of paramount importance in this area. Herein, we review recent advances in the development of fluorescent chemosensors for toxic OP pesticides and related compounds. We also discuss challenges and progress towards the design of future chemosensors with dual modes for signal transduction.
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