Functionalized tungsten disulfide nanotubes for dopamine and catechol detection in a tyrosinase-based amperometric biosensor design

Palomar, Quentin; Gondran, Chantal; Lellouche, Jean‐Paul; Cosnier, Serge; Holzinger, Michael

doi:10.1039/c9tb01926j

Cited by 43 publications

(27 citation statements)

References 42 publications

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“…As such, tyrosinase electrode sensors were more widely used for the measurement of dopamine such as by immobilization on a nanotube (Figure 2D). 32,33,40‐42 …”

Section: Enzyme‐based Biosensorsmentioning

confidence: 99%

“…Moreover, the major interfering substance, AA, was negligible when monitoring 1 mM dopamine. Palomar et al immobilized tyrosinase on the WS 2 nanotubes functionalized with carboxyl groups to fabricate an electrochemical biosensor toward dopamine 42 . Through the accumulation of dopamine due to interactions between the amine in dopamine and the carboxyl groups of the nanotubes, the sensitivity was enhanced.…”

Section: Enzyme‐based Biosensorsmentioning

confidence: 99%

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Biosensors and sensors for dopamine detection

Liu

2020

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196

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Dopamine is a key catecholamine neurotransmitter and it has critical roles in the function of the human central nervous system. Abnormal release of dopamine is related to neurological diseases and depression. Therefore, it is necessary to monitor dopamine levels in vivo and in real time to understand its physiological roles. In this review, we discuss dopamine detection focusing on the molecular recognition methods including enzymes, antibodies, and aptamers, as well as new advances based on nanomaterials and molecularly imprinted polymers (MIPs). A large fraction of these sensors rely on electrochemical detection to fulfill the requirement of fast, in situ, and in vivo detection with a high spatial and temporal resolution. These methods need to overcome interferences from molecules with a similar redox potential. In addition, fluorescent and colorimetric sensors based on aptamers are also quite popular, and care needs to be taken to validate specific dopamine binding. Combining aptamers or MIPs with electrochemistry promises to achieve rapid detection and increased selectivity. In this article, we pay more attention to the molecular recognition mechanism and critically review the sensor designs. In the end, some future directions are discussed.

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“…As such, tyrosinase electrode sensors were more widely used for the measurement of dopamine such as by immobilization on a nanotube (Figure 2D). 32,33,40‐42 …”

Section: Enzyme‐based Biosensorsmentioning

confidence: 99%

Section: Enzyme‐based Biosensorsmentioning

confidence: 99%

Biosensors and sensors for dopamine detection

Liu

2020

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196

122

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“…Graphene and transition metal dichalcogenides which are called two-dimensional (2 D) materials have attracted tremendous attention in the fields of energy storage, electronics, catalysis, optical device, electrochemical and biosensor. 1–5 They have attracted interest for potential use in advanced applications such as photo voltaic and photo catalysis because of tunable optical band gaps depending on size. The bulk form of MoS 2 and WS 2 is semi-conducting materials which have indirect optical band gap with band gaps of 1.22 eV and 1.20 eV, respectively.…”

Section: Introductionmentioning

confidence: 99%

The WS₂ dependence on the elasticity and optical band gap energies of swollen PAAm composites

Evingür

Sağlam

Çimen

et al. 2020

Journal of Composite Materials

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New generation nano-filler polymer composites have many applications including biomedical, electronic and maritime related applications because of their mechanical, electronic and optical properties. The properties of composites were investigated as a function of nano-filler content. Among these, tungsten disulfide (WS2) has the potential to be used as a component in electronic devices owing to its high electron mobility and easily tunable optical band gap energy. Tungsten disulfide (WS2)- Polyacrylamide (PAAm) composite was prepared using free radical co-polymerization and wet laboratory methods with WS2 content. Composites were characterized for mechanical and optical properties using an Elasticity Instrument and UV-vis Spectrophotometer, respectively. Elastic modulus was modeled by a statistical thermodynamics model. Tauc’s and Urbach’s Tail model for direct transition were used to model for the optical band gap. In this study, the swelling and WS2 effect on the optical band gap and elasticity of WS2 - PAAm composites were investigated. It was observed that the elasticity presented a reversed behavior of optical band gap energies with respect to WS2 content. For the applications of nano-filler doped polymer composites in flexible electronic devices, WS2 content strongly influences the mechanical and optical properties.

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“…A very interesting and less encountered nanoparticle type was used and functionalized by Palomar et al [ 50 ]. The authors used tungsten disulfide nanotubes (WS 2 ) functionalized with carboxylic acid functions (WS 2 -COOH).…”

Section: Biosensors For the Assessment Of Phenol Classesmentioning

confidence: 99%

“…These modified bioelectrodes served in the detection of catechol (bottom left) and dopamine (bottom right) at −0.2 V vs. Ag + /Ag. (reproduced from [ 50 ] with permission of RSC Publishing).…”

Section: Figurementioning

confidence: 99%

Biosensors for Antioxidants Detection: Trends and Perspectives

2020

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Herein we review the recent advances in biosensors for antioxidants detection underlying principles particularly emphasizing advantages along with limitations regarding the ability to discriminate between the specific antioxidant or total content. Recent advances in both direct detection of antioxidants, but also on indirect detection, measuring the induced damage on DNA-based biosensors are critically analysed. Additionally, latest developments on (bio)electronic tongues are also presented.

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Functionalized tungsten disulfide nanotubes for dopamine and catechol detection in a tyrosinase-based amperometric biosensor design

Abstract: Functionalized tungsten disulfide nanotubes were evaluated as an enzyme support for electrochemical biosensors.

Cited by 43 publications

References 42 publications

Biosensors and sensors for dopamine detection

Biosensors and sensors for dopamine detection

The WS₂ dependence on the elasticity and optical band gap energies of swollen PAAm composites

Biosensors for Antioxidants Detection: Trends and Perspectives

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Functionalized tungsten disulfide nanotubes for dopamine and catechol detection in a tyrosinase-based amperometric biosensor design

Abstract: Functionalized tungsten disulfide nanotubes were evaluated as an enzyme support for electrochemical biosensors.

Cited by 43 publications

References 42 publications

Biosensors and sensors for dopamine detection

Biosensors and sensors for dopamine detection

The WS2 dependence on the elasticity and optical band gap energies of swollen PAAm composites

Biosensors for Antioxidants Detection: Trends and Perspectives

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Product

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The WS₂ dependence on the elasticity and optical band gap energies of swollen PAAm composites