ACS Nano, volume 7, issue 5, pages 3970-3980

Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors.

Publication typeJournal Article
Publication date2013-04-25
Journal: ACS Nano
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor17.1
ISSN19360851, 1936086X
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
Biodetection using organic field-effect transistors (OFETs) is gaining increasing interest for applications as diverse as food security, environmental monitoring, and medical diagnostics. However, there still lacks a comprehensive, empirical study on the fundamental limits of OFET sensors. In this paper, we present a thorough study of the various parameters affecting biosensing using an OFET decorated with gold nanoparticle (AuNP) binding sites. These parameters include the spacing between receptors, pH of the buffer, and ionic strength of the buffer. To this end, we employed the thrombin protein and its corresponding DNA binding aptamer to form our model detection system. We demonstrate a detection limit of 100 pM for this protein with high selectivity over other proteases in situ. We describe herein a feasible approach for protein detection with OFETs and a thorough investigation of parameters governing biodetection events using OFETs. Our obtained results should provide important guidelines to tailor the sensor's dynamic range to suit other desired OFET-based biodetection applications.

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GOST |
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GOST Copy
Hammock M. L. et al. Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors. // ACS Nano. 2013. Vol. 7. No. 5. pp. 3970-3980.
GOST all authors (up to 50) Copy
Hammock M. L., Knopfmacher O., Naab B. D., Tok J. B., Bao Z. Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors. // ACS Nano. 2013. Vol. 7. No. 5. pp. 3970-3980.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/nn305903q
UR - https://doi.org/10.1021/nn305903q
TI - Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors.
T2 - ACS Nano
AU - Hammock, Mallory L
AU - Knopfmacher, Oren
AU - Naab, Benjamin D
AU - Tok, Jeffrey B.-H.
AU - Bao, Zhenan
PY - 2013
DA - 2013/04/25 00:00:00
PB - American Chemical Society (ACS)
SP - 3970-3980
IS - 5
VL - 7
SN - 1936-0851
SN - 1936-086X
ER -
BibTex |
Cite this
BibTex Copy
@article{2013_Hammock,
author = {Mallory L Hammock and Oren Knopfmacher and Benjamin D Naab and Jeffrey B.-H. Tok and Zhenan Bao},
title = {Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors.},
journal = {ACS Nano},
year = {2013},
volume = {7},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/nn305903q},
number = {5},
pages = {3970--3980},
doi = {10.1021/nn305903q}
}
MLA
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MLA Copy
Hammock, Mallory L., et al. “Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors..” ACS Nano, vol. 7, no. 5, Apr. 2013, pp. 3970-3980. https://doi.org/10.1021/nn305903q.
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