Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications

Tehrani, Zari; Whelan, S P; Mostert, Bernard; Paulin, J V; Ali, Muhammad; Ahmadi, Ehsaneh Daghigh; O, C F; Guy, Owen; Gethin, David

doi:10.1088/2053-1583/ab72d5

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Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications

Zari Tehrani

, S P Whelan, Bernard Mostert

, J V Paulin, Muhammad Ali, Ehsaneh Daghigh Ahmadi, C F O Graeff, Owen Guy

, David Gethin

2D Materials, Volume: 7, Issue: 2, Start page: 024008

Swansea University Authors: Zari Tehrani , Bernard Mostert , Muhammad Ali, Ehsaneh Daghigh Ahmadi, Owen Guy , David Gethin

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DOI (Published version): 10.1088/2053-1583/ab72d5

Abstract

The application of highly sensitive pH sensors manufactured in volume at low cost has great commercial interest due to an extensive array of potential applications. Such areas include industrial processing, biotechnology and medical diagnostics particularly in the development of point of care (POC)...

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Published in:	2D Materials
ISSN:	2053-1583
Published:	IOP Publishing 2020
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa53387
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first_indexed	2020-01-29T19:32:28Z
last_indexed	2021-09-25T03:14:13Z
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spelling	2021-09-24T15:34:46.6196018 v2 53387 2020-01-29 Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications fd8e614b01086804c80fbafa6fa6aaf5 0000-0002-5069-7921 Zari Tehrani Zari Tehrani true false a353503c976a7338c7708a32e82f451f 0000-0002-9590-2124 Bernard Mostert Bernard Mostert true false 103ad6374ddc3a36f8d0609a8f471535 Muhammad Ali Muhammad Ali true false 974f6a7393c1f088d58aeeea07d80363 Ehsaneh Daghigh Ahmadi Ehsaneh Daghigh Ahmadi true false c7fa5949b8528e048c5b978005f66794 0000-0002-6449-4033 Owen Guy Owen Guy true false 20b93675a5457203ae87ebc32bd6d155 0000-0002-7142-8253 David Gethin David Gethin true false 2020-01-29 CHEG The application of highly sensitive pH sensors manufactured in volume at low cost has great commercial interest due to an extensive array of potential applications. Such areas include industrial processing, biotechnology and medical diagnostics particularly in the development of point of care (POC) devices. A novel printable electrochemical pH sensor based on graphene and pigment melanin (PGM), was designed and produced by using a screen printing process that enables up scaling for potential commercial application. We demonstrate a highly sensitive pH sensor (62 mV pH−1 ± 7) over a pH range from 5 to 8, with high stability and superior performance when compared with a number of existing devices and making it suitable for physiological applications. Journal Article 2D Materials 7 2 024008 IOP Publishing 2053-1583 graphene, pH Sensor, melanin, screen print, blood plasma, low cost manufacturing 28 2 2020 2020-02-28 10.1088/2053-1583/ab72d5 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2021-09-24T15:34:46.6196018 2020-01-29T14:14:56.3097326 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Zari Tehrani 0000-0002-5069-7921 1 S P Whelan 2 Bernard Mostert 0000-0002-9590-2124 3 J V Paulin 4 Muhammad Ali 5 Ehsaneh Daghigh Ahmadi 6 C F O Graeff 7 Owen Guy 0000-0002-6449-4033 8 David Gethin 0000-0002-7142-8253 9 53387__16840__fdc13357c7b24e73998811318631855c.pdf 53387.pdf 2020-03-12T12:54:30.1104382 Output 2522110 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution 4.0 licence (CC-BY). true eng http://creativecommons.org/licenses/by/4.0
title	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications
spellingShingle	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications Zari Tehrani Bernard Mostert Muhammad Ali Ehsaneh Daghigh Ahmadi Owen Guy David Gethin
title_short	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications
title_full	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications
title_fullStr	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications
title_full_unstemmed	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications
title_sort	Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications
author_id_str_mv	fd8e614b01086804c80fbafa6fa6aaf5 a353503c976a7338c7708a32e82f451f 103ad6374ddc3a36f8d0609a8f471535 974f6a7393c1f088d58aeeea07d80363 c7fa5949b8528e048c5b978005f66794 20b93675a5457203ae87ebc32bd6d155
author_id_fullname_str_mv	fd8e614b01086804c80fbafa6fa6aaf5_*_Zari Tehrani a353503c976a7338c7708a32e82f451f__Bernard Mostert 103ad6374ddc3a36f8d0609a8f471535__Muhammad Ali 974f6a7393c1f088d58aeeea07d80363__Ehsaneh Daghigh Ahmadi c7fa5949b8528e048c5b978005f66794__Owen Guy 20b93675a5457203ae87ebc32bd6d155_*_David Gethin
author	Zari Tehrani Bernard Mostert Muhammad Ali Ehsaneh Daghigh Ahmadi Owen Guy David Gethin
author2	Zari Tehrani S P Whelan Bernard Mostert J V Paulin Muhammad Ali Ehsaneh Daghigh Ahmadi C F O Graeff Owen Guy David Gethin
format	Journal article
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publishDate	2020
institution	Swansea University
issn	2053-1583
doi_str_mv	10.1088/2053-1583/ab72d5
publisher	IOP Publishing
college_str	Faculty of Science and Engineering
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department_str	School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
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description	The application of highly sensitive pH sensors manufactured in volume at low cost has great commercial interest due to an extensive array of potential applications. Such areas include industrial processing, biotechnology and medical diagnostics particularly in the development of point of care (POC) devices. A novel printable electrochemical pH sensor based on graphene and pigment melanin (PGM), was designed and produced by using a screen printing process that enables up scaling for potential commercial application. We demonstrate a highly sensitive pH sensor (62 mV pH−1 ± 7) over a pH range from 5 to 8, with high stability and superior performance when compared with a number of existing devices and making it suitable for physiological applications.
published_date	2020-02-28T04:06:19Z
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score	11.037275

Printable and flexible graphene pH sensors utilising thin film melanin for physiological applications

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