Biosensors and Bioelectronics, volume 104, pages 113-119

Low-picomolar, label-free procalcitonin analytical detection with an electrolyte-gated organic field-effect transistor based electronic immunosensor.

Preethi Seshadri ¹

Kyriaki Manoli ¹

Nicole Schneiderhan-Marra ²

Uwe Anthes ³

Piotr Wierzchowiec ³

Klaus Bonrad ³

Cinzia Di Franco ⁴

L. Torsi ^{1, 5}

Hide authors affiliations Show authors affiliations: 5 affiliations

Dipartimento di Chimica - Università degli Studi di Bari “A. Moro”, via Orabona, 4, 70125 Bari, Italy |

Natural and Medical Sciences Institute (NMI) at the University of Tuebingen, Markwiesenstr 55, 72770 Reutlingen, Germany. |

Merck KGaA, Frankfurter Str. 250, 64271 Darmstadt, Germany |

⁴

CNR - Istituto di Fotonica e Nanotecnologie, Sede di Bari, Italy. |

⁵

The Faculty of Science and Engineering, Åbo Akademi University Biskopsgatan 8 Åbo 20500 Turku Finland |

Publication type: Journal Article

Publication date: 2018-05-01

Elsevier

Journal: Biosensors and Bioelectronics

Quartile SCImago

Quartile WOS

Impact factor: 12.6

ISSN: 09565663, 18734235

DOI: 10.1016/j.bios.2017.12.041

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General Medicine

Biophysics

Electrochemistry

Biotechnology

Biomedical Engineering

Abstract

Herein a label-free immunosensor based on electrolyte-gated organic field-effect transistor (EGOFET) was developed for the detection of procalcitonin (PCT), a sepsis marker. Antibodies specific to PCT were immobilized on the poly-3-hexylthiophene (P3HT) organic semiconductor surface through direct physical adsorption followed by a post-treatment with bovine serum albumin (BSA) which served as the blocking agent to prevent non-specific adsorption. Antibodies together with BSA (forming the whole biorecognition layer) served to selectively capture the procalcitonin target analyte. The entire immunosensor fabrication process was fast, requiring overall 45min to be completed before analyte sensing. The EGOFET immunosensor showed excellent electrical properties, comparable to those of bare P3HT based EGOFET confirming reliable biosensing with bio-functional EGOFET immunosensor. The detection limit of the immunosensor was as low as 2.2pM and within a range of clinical relevance. The relative standard deviation of the individual calibration data points, measured on immunosensors fabricated on different chips (reproducibility error) was below 7%. The developed immunosensor showed high selectivity to the PCT analyte which was evident through control experiments. This report of PCT detection is first of its kind among the electronic sensors based on EGOFETs. The developed sensor is versatile and compatible with low-cost fabrication techniques.

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Citations by publishers

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Wiley	Wiley, 20, 20.2% Wiley 20 publications, 20.2%
American Chemical Society (ACS)	American Chemical Society (ACS), 14, 14.14% American Chemical Society (ACS) 14 publications, 14.14%
Elsevier	Elsevier, 13, 13.13% Elsevier 13 publications, 13.13%
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Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 9, 9.09% Royal Society of Chemistry (RSC) 9 publications, 9.09%
Springer Nature	Springer Nature, 5, 5.05% Springer Nature 5 publications, 5.05%
IEEE	IEEE, 5, 5.05% IEEE 5 publications, 5.05%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 2, 2.02% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 2 publications, 2.02%
IOP Publishing	IOP Publishing, 2, 2.02% IOP Publishing 2 publications, 2.02%
Pleiades Publishing	Pleiades Publishing, 1, 1.01% Pleiades Publishing 1 publication, 1.01%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 1, 1.01% American Institute of Physics (AIP) 1 publication, 1.01%
Spandidos Publications	Spandidos Publications, 1, 1.01% Spandidos Publications 1 publication, 1.01%
Tianjin Daxue/Tianjin University	Tianjin Daxue/Tianjin University, 1, 1.01% Tianjin Daxue/Tianjin University 1 publication, 1.01%
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Seshadri P. et al. Low-picomolar, label-free procalcitonin analytical detection with an electrolyte-gated organic field-effect transistor based electronic immunosensor. // Biosensors and Bioelectronics. 2018. Vol. 104. pp. 113-119.

GOST all authors (up to 50) Copy

Seshadri P., Manoli K., Schneiderhan-Marra N., Anthes U., Wierzchowiec P., Bonrad K., Di Franco C., Torsi L. Low-picomolar, label-free procalcitonin analytical detection with an electrolyte-gated organic field-effect transistor based electronic immunosensor. // Biosensors and Bioelectronics. 2018. Vol. 104. pp. 113-119.

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RIS Copy

TY - JOUR

DO - 10.1016/j.bios.2017.12.041

UR - https://doi.org/10.1016/j.bios.2017.12.041

TI - Low-picomolar, label-free procalcitonin analytical detection with an electrolyte-gated organic field-effect transistor based electronic immunosensor.

T2 - Biosensors and Bioelectronics

AU - Seshadri, Preethi

AU - Manoli, Kyriaki

AU - Schneiderhan-Marra, Nicole

AU - Anthes, Uwe

AU - Wierzchowiec, Piotr

AU - Bonrad, Klaus

AU - Di Franco, Cinzia

AU - Torsi, L.

PY - 2018

DA - 2018/05/01 00:00:00

PB - Elsevier

SP - 113-119

VL - 104

SN - 0956-5663

SN - 1873-4235

ER -

BibTex

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BibTex Copy

@article{2018_Seshadri,

author = {Preethi Seshadri and Kyriaki Manoli and Nicole Schneiderhan-Marra and Uwe Anthes and Piotr Wierzchowiec and Klaus Bonrad and Cinzia Di Franco and L. Torsi},

title = {Low-picomolar, label-free procalcitonin analytical detection with an electrolyte-gated organic field-effect transistor based electronic immunosensor.},

journal = {Biosensors and Bioelectronics},

year = {2018},

volume = {104},

publisher = {Elsevier},

month = {may},

url = {https://doi.org/10.1016/j.bios.2017.12.041},

pages = {113--119},

doi = {10.1016/j.bios.2017.12.041}

}

Found error?

Publisher

Elsevier

Journal

Biosensors and Bioelectronics

Quartile SCImago

Quartile WOS

Impact factor

12.6

ISSN

09565663 (Print)
18734235 (Electronic)