MoS<sub>2</sub> quantum dots and titanium carbide co-modified carbon nanotube heterostructure as electrode for highly sensitive detection of zearalenone

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dc.contributor.authorHuang, Hao
dc.contributor.authorCamarada, Maria Belen
dc.contributor.authorWang, Dan
dc.contributor.authorLiao, Xiaoning
dc.contributor.authorXiong, Wanming
dc.contributor.authorDu, Juan
dc.contributor.authorXiong, Jianhua
dc.contributor.authorHong, Yanping
dc.date.accessioned2025-01-20T22:01:28Z
dc.date.available2025-01-20T22:01:28Z
dc.date.issued2022
dc.description.abstractA novel electrochemical sensor has been fabricated for sensitive determination of zearalenone (ZEA) in food samples based on molybdenum disulfide quantum dots (MoS2 QDs) and two-dimensional titanium carbide (2D-Ti3C2Tx MXene) co-modified multi-walled carbon nanotube (MWCNT) heterostructure. Physical and electrochemical characterizations reveal that 2D-Ti3C2Tx and MoS2 QDs co-modified MWCNTs yields synergistic signal amplification effect, together with large specific surface area and excellent conductivity for the heterostructure, endowing the developed sensor with high detection performance to ZEA. Under optimized conditions, the sensor shows a wide linear range from 3.00 to 300 ng mL(-1) and a low limit of detection (LOD) of 0.32 ng mL(,)(-1) which is far lower than the maximum residue limits (MRLs) settled by the European Commission. In addition, it exhibits excellent selectivity, high reproducibility with a relative standard deviation (RSD) of 1.1%, and good repeatability (RSD 1.1%). In real sample analysis recoveries ranged from 94.8 to 105% showing the proposed electrochemical sensor has high potential in practical applications. This work presents an effective and valuable pathway for the use of novel heterostructure in the biosensing field.
dc.fuente.origenWOS
dc.identifier.doi10.1007/s00604-021-05104-5
dc.identifier.eissn1436-5073
dc.identifier.issn0026-3672
dc.identifier.urihttps://doi.org/10.1007/s00604-021-05104-5
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/93834
dc.identifier.wosidWOS:000727354500004
dc.issue.numero1
dc.language.isoen
dc.revistaMicrochimica acta
dc.rightsacceso restringido
dc.subjectZearalenone
dc.subjectElectrochemical sensor
dc.subjectMWCNTs
dc.subjectMXene
dc.subjectMoS2 QDs
dc.subjectHeterostructure
dc.titleMoS<sub>2</sub> quantum dots and titanium carbide co-modified carbon nanotube heterostructure as electrode for highly sensitive detection of zearalenone
dc.typeartículo
dc.volumen189
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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