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Immunosensing of Atrazine with Antibody-Functionalized Cu-MOF Conducting Thin Films

Title
Immunosensing of Atrazine with Antibody-Functionalized Cu-MOF Conducting Thin Films
Author
Akash Deep
Keywords
MOF; conducting; thin films; sensor; polyaniline; atrazine
Issue Date
2015-11
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v. 7, NO 47, Page. 26124-26130
Abstract
This work reports the assembly of thin films of a silica (SiO2)-modified copper metal organic framework, Cu-3(BTC)(2) [Cu-3(BTC)(2)@SiO2, BTC = benzene-1,3,5-tricarboxylic acid] on a conducting substrate of NH2-BDC [NH2-BDC = 2-aminobenzene-1,4-dicarboxylic acid] doped polyaniline (PANI). Assembled Cu-3(BTC)(2)@SiO2/BDC-PANI thin films displayed electrical conductivity in the range of 35 mu A. These thin films were conjugated with antiatrazine antibodies to create a novel immunosensing platform. Various structural and spectral characteristics of the synthesized material and its bioconjugate were investigated. The developed immunosensor was used for the conductometric sensing of atrazine. The detection of atrazine was achieved with a high sensor sensitivity (limit of detection = 0.01 nM) and specificity in the presence of diverse pesticides (e.g., endosulfan, parathion, paraoxon, malathion, and monochrotophos).
URI
http://pubs.acs.org/doi/10.1021/acsami.5b07692http://hdl.handle.net/20.500.11754/29179
ISSN
1944-8244
DOI
10.1021/acsami.5b07692
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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