<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "Facile synthesis of MoS2 nanoflower-Ag NPs grown on lignin-derived graphene for Troponin I aptasensing"^^ . "This article presents the development and application of a green lignin-derived graphene biosensor for Troponin I, a biomarker for Acute Myocardial Infarction (AMI). The graphene was synthesized from oil palm lignin through an optimized laser scribing process. While the three-dimensional nature of the laser-scribed lignin-derived graphene (3D LSG) is advantageous, it suffers from poor electrical conductivity due to the amorphous nature of lignin. Therefore, semi-conductive molybdenum disulphide (MoS2) precursor with conductive green silver nanoparticles (Ag NPs) was added to 0.5, 1.0, 1.5, and 2.0 g of 3D LSG to synthesize 3D LSGMoS2Ag NPs hybrids via an aqueous hydrothermal process. Morphological, physical, and structural analyses showed the presence of petal-like MoS2 nanoflower with Ag NPs on the 3D LSG surface. The strong interrelation between 3D LSG, MoS2, and Ag NPs was confirmed by X-ray spectroscopy, Raman spectroscopy and energy dispersive spectroscopy (EDS). Specifically, X-ray spectroscopy revealed the formation of O1s, Ag 3d, C1s, Mo 3d, and S2p in the 3D LSGMoS2Ag NPs-2.0 hybrid. Raman spectroscopy revealed an enhancement in the surface area of the 3D LSGMoS2Ag NPs-2.0 hybrid, which enhances the detection sensitivity. The 3D LSGMoS2Ag NPs hybrid was subsequently chemically modified and immobilised with an aptamer to interact with Troponin I on an impedimetric sensor. The 3D LSGMoS2Ag NPs hybrid showed high analytical performance, high specificity, and a � 4-fold increment in selectivity, with a detection limit of 100 attomolar. This biosensor has a sensitivity of 31.45 µA mM�1 cm�2, stability of 87, with a relative standard deviation for reproducibility of 3.8. © 2023"^^ . "2023" . . "468" . . "Chemical Engineering Journal"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "S.C.B."^^ . "Gopinath"^^ . "S.C.B. Gopinath"^^ . . "M.N.M."^^ . "Ibrahim"^^ . "M.N.M. Ibrahim"^^ . . "V."^^ . "Perumal"^^ . "V. Perumal"^^ . . "P.B."^^ . "Raja"^^ . "P.B. Raja"^^ . . "M."^^ . "Vasudevan"^^ . "M. Vasudevan"^^ . . "S."^^ . "Remesh"^^ . "S. Remesh"^^ . . "S."^^ . "Karuppanan"^^ . "S. Karuppanan"^^ . . "M."^^ . "Ovinis"^^ . "M. Ovinis"^^ . . . . . "HTML Summary of #18400 \n\nFacile synthesis of MoS2 nanoflower-Ag NPs grown on lignin-derived graphene for Troponin I aptasensing\n\n" . "text/html" . .