Sökning: onr:"swepub:oai:DiVA.org:kth-200394" >
Acetylene-sourced C...
Acetylene-sourced CVD-synthesised catalytically active graphene for electrochemical biosensing
-
- Osikoya, Adeniyi (författare)
- Linköpings universitet,Biosensorer och bioelektronik,Tekniska fakulteten,Vanderbijlpark, South Africa
-
- Parlak, Onur (författare)
- Linköpings universitet,Biosensorer och bioelektronik,Tekniska fakulteten
-
- Murugan, Natarajan. Arul (författare)
- KTH,Teoretisk kemi och biologi,Virtual Laboratory for Molecular Probes,Stockholm, Sweden
-
visa fler...
-
- Dikio, Ezekiel Dixon (författare)
- Vanderbijlpark, South Africa
-
- Moloto, Harry (författare)
- Vanderbijlpark, South Africa
-
- Uzun, Lokman (författare)
- Linköpings universitet,Biosensorer och bioelektronik,Tekniska fakulteten,Department of Chemistry, Hacettepe University, Ankara, Turkey
-
- Turner, Anthony, 1950- (författare)
- Linköpings universitet,Biosensorer och bioelektronik,Tekniska fakulteten
-
- Tiwari, Ashutosh (författare)
- Linköpings universitet,Biosensorer och bioelektronik,Tekniska fakulteten,UCS, Tekidag AB, Linkoping,, Sweden; Vinoba Bhave Research Institute, Sirsa Road, Saidabad, Allahabad 221508, India
-
visa färre...
-
(creator_code:org_t)
- Elsevier, 2017
- 2017
- Engelska.
-
Ingår i: Biosensors and Bioelectronics. - : Elsevier. - 0956-5663 .- 1873-4235. ; 89, s. 496-504
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
https://urn.kb.se/re...
-
visa färre...
Abstract
Ämnesord
Stäng
- In this study, we have demonstrated the use of chemical vapour deposition (CVD) grown-graphene to develop a highly-ordered graphene-enzyme electrode for electrochemical biosensing. The graphene sheets were deposited on 1.00 mm thick copper sheet at 850 degrees C using acetylene (C2H2) as carbon source in an argon (Ar) and nitrogen (N-2) atmosphere. An anionic surfactant was used to increase wettability and hydrophilicity of graphene; thereby facilitating the assembly of biomolecules on the electrode surface. Meanwhile, the theoretical calculations confirmed the successful modification of hydrophobic nature of graphene through the anionic surface assembly, which allowed high-ordered immobilisation of glucose oxidase (GOx) on the graphene. The electrochemical sensing activities of the graphene-electrode was explored as a model for bioelectrocatalysis. The bioelectrode exhibited a linear response to glucose concentration ranging from 0.2 to 9.8 mM, with sensitivity of 0.087 A/M/cm(2) and a detection limit of 0.12 mu M (S/N=3). This work sets the stage for the use of acetylene-sourced CVD-grown graphene as a fundamental building block in the fabrication of electrochemical biosensors and other bioelectronic devices.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biofysik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biophysics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- CVD-grown graphene
- bioelectronics
- theoretical calculation
- surfactant modification
- 2d-materials
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas