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Title: Nanomaterial-Based Biosensors for Detection of Pesticides and Explosives

Abstract

In this chapter, we describe nanomaterial-based biosensors for detecting OP pesticides and explosives. CNTs and functionalized silica nanoparticles have been chosen for this study. The biosensors were combined with the flow-injection system, providing great advantages for onsite, real-time, and continuous detection of environmental pollutants such as OPs and TNT. The sensors take advantage of the electrocatalytic properties of CNTs, which makes it feasible to achieve a sensitive electrochemical detection of the products from enzymatic reactions at low potential. This approach uses a large aspect ratio of silica nanoparticles, which can be used as a carrier for loading a large amount of electroactive species, such as poly(guanine), for amplified detection of explosives. These methods offer a new environmental monitoring tool for rapid, inexpensive, and highly sensitive detection of OPs or TNT compounds.

Authors:
;
Publication Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
Sponsoring Org.:
USDOE
OSTI Identifier:
951856
Report Number(s):
PNNL-SA-59139
24822; 400412000; TRN: US200913%%83
DOE Contract Number:
AC05-76RL01830
Resource Type:
Book
Resource Relation:
Related Information: Nanotechnology Applications for Clean Water, 377-390
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 77 NANOSCIENCE AND NANOTECHNOLOGY; SENSORS; DETECTION; CHEMICAL EXPLOSIVES; PESTICIDES; POLLUTANTS; TNT; NANOSTRUCTURES; SILICA; MONITORING; REAL TIME SYSTEMS; CARBON; NANOTUBES; biosensors; pesticides; Explosives; Environmental Molecular Sciences Laboratory

Citation Formats

Wang, Jun, and Lin, Yuehe. Nanomaterial-Based Biosensors for Detection of Pesticides and Explosives. United States: N. p., 2009. Web.
Wang, Jun, & Lin, Yuehe. Nanomaterial-Based Biosensors for Detection of Pesticides and Explosives. United States.
Wang, Jun, and Lin, Yuehe. 2009. "Nanomaterial-Based Biosensors for Detection of Pesticides and Explosives". United States. doi:.
@article{osti_951856,
title = {Nanomaterial-Based Biosensors for Detection of Pesticides and Explosives},
author = {Wang, Jun and Lin, Yuehe},
abstractNote = {In this chapter, we describe nanomaterial-based biosensors for detecting OP pesticides and explosives. CNTs and functionalized silica nanoparticles have been chosen for this study. The biosensors were combined with the flow-injection system, providing great advantages for onsite, real-time, and continuous detection of environmental pollutants such as OPs and TNT. The sensors take advantage of the electrocatalytic properties of CNTs, which makes it feasible to achieve a sensitive electrochemical detection of the products from enzymatic reactions at low potential. This approach uses a large aspect ratio of silica nanoparticles, which can be used as a carrier for loading a large amount of electroactive species, such as poly(guanine), for amplified detection of explosives. These methods offer a new environmental monitoring tool for rapid, inexpensive, and highly sensitive detection of OPs or TNT compounds.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = 2009,
month = 1
}

Book:
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