Publication:
A quadruplet 3-D laser scribed graphene/MoS2 functionalised N2-doped graphene quantum dots and lignin-based Ag-nanoparticles for biosensing

cris.author.scopus-author-id 57215333526
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cris.author.scopus-author-id 7006558013
cris.author.scopus-author-id 36806475200
cris.author.scopus-author-id 15839433600
cris.author.scopus-author-id 58083652900
cris.author.scopus-author-id 8351597600
cris.author.scopus-author-id 36100384200
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department 3f983c2e-28f9-4f7e-9c19-b081a6c20fd8
dc.contributor.author Vasudevan Mugashini
dc.contributor.author Perumal Veeradasan
dc.contributor.author Raja Pandian Bothi
dc.contributor.author Mohamad Nasir Mohamad Ibrahim
dc.contributor.author Lee Hooi Ling
dc.contributor.author Subash Chandra Bose Gopinath
dc.contributor.author Ovinis Mark
dc.contributor.author Karuppanan Saravanan
dc.contributor.author Ang Phaik Ching
dc.contributor.author Arumugam Natarajan
dc.contributor.author Kumar Raju Suresh
dc.date.accessioned 2024-10-04T15:19:33Z
dc.date.available 2024-10-04T15:19:33Z
dc.date.issued 2023
dc.description.abstract Troponin I is a protein released into the human blood circulation and a commonly used biomarker due to its sensitivity and specificity in diagnosing myocardial injury. When heart injury occurs, elevated troponin Troponin I levels are released into the bloodstream. The biomarker is a strong and reliable indicator of myocardial injury in a person, with immediate treatment required. For electrochemical sensing of Troponin I, a quadruplet 3D laser-scribed graphene/molybdenum disulphide functionalised N2-doped graphene quantum dots hybrid with lignin-based Ag-nanoparticles (3D LSG/MoS2/N-GQDs/L-Ag NPs) was fabricated using a hydrothermal process as an enhanced quadruplet substrate. Hybrid MoS2 nanoflower (H3 NF) and nanosphere (H3 NS) were formed independently by varying MoS2 precursors and were grown on 3D LSG uniformly without severe stacking and restacking issues, and characterized by morphological, physical, and structural analyses with the N-GQDs and Ag NPs evenly distributed on 3D LSG/MoS2 surface by covalent bonding. The selective capture of and specific interaction with Troponin I by the biotinylated aptamer probe on the bio-electrode, resulted in an increment in the charge transfer resistance. The limit of detection, based on impedance spectroscopy, is 100 aM for both H3 NF and H3 NS hybrids, with the H3 NF hybrid biosensor having better analytical performance in terms of linearity, selectivity, repeatability, and stability.
dc.identifier.doi 10.1016/j.ijbiomac.2023.126620
dc.identifier.uri https://www.sciencedirect.com/science/article/pii/S014181302303516X?pes=vor&utm_source=scopus&getft_integrator=scopus
dc.identifier.uri https://www.sciencedirect.com/
dc.language.iso en
dc.relation.funding King Saud University
dc.relation.grantno FRGS/1/2022/TK09/UTP/02/3
dc.relation.ispartof International Journal of Biological Macromolecules
dc.relation.issn 01418130
dc.subject Biopolymer
dc.subject Molybdenum
dc.subject Nanoparticles
dc.subject Nanosensor
dc.subject Nitrogen-graphene
dc.title A quadruplet 3-D laser scribed graphene/MoS2 functionalised N2-doped graphene quantum dots and lignin-based Ag-nanoparticles for biosensing
dc.type Resource Types::text::journal::journal article
dspace.entity.type Publication
oaire.citation.endPage 13
oaire.citation.startPage 1
oaire.citation.volume 253
oairecerif.affiliation.orgunit Universiti Teknologi PETRONAS
oairecerif.affiliation.orgunit Universiti Teknologi PETRONAS
oairecerif.affiliation.orgunit Universiti Sains Malaysia
oairecerif.affiliation.orgunit Universiti Sains Malaysia
oairecerif.affiliation.orgunit Universiti Sains Malaysia
oairecerif.affiliation.orgunit Universiti Malaysia Perlis
oairecerif.affiliation.orgunit Birmingham City University
oairecerif.affiliation.orgunit Universiti Teknologi PETRONAS
oairecerif.affiliation.orgunit Universiti Sains Malaysia
oairecerif.affiliation.orgunit College of Sciences
oairecerif.affiliation.orgunit College of Sciences
oairecerif.author.affiliation Universiti Teknologi PETRONAS
oairecerif.author.affiliation Universiti Teknologi PETRONAS
oairecerif.author.affiliation Universiti Sains Malaysia
oairecerif.author.affiliation Universiti Sains Malaysia
oairecerif.author.affiliation Universiti Sains Malaysia
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Birmingham City University, Birmingham, United Kingdom
oairecerif.author.affiliation Universiti Teknologi PETRONAS
oairecerif.author.affiliation Universiti Sains Malaysia
oairecerif.author.affiliation College of Sciences, Riyadh, Saudi Arabia
oairecerif.author.affiliation King Saud University, Riyadh, Saudi Arabia
oairecerif.citation.number 126620
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person.identifier.scopus-author-id 56966716600
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person.identifier.scopus-author-id 55909512200
person.identifier.scopus-author-id 35272881900
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