Facile and rapid one-step mass production of flexible 3D porous graphene nanozyme electrode via direct laser-writing for intelligent evaluation of fish freshness

Zhu, Yifu; Liu, Peng; Xue, Ting; Xu, Jingkun; Qiu, Daoyang; Sheng, Yingying; Li, Weiqiang; Lu, Xinyu; Yu, Ge; Wen, Yangping

doi:10.1016/j.microc.2020.105855

Cited by 29 publications

(16 citation statements)

References 46 publications

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“…148 The 3D graphene and CNTs-based carbon nanozymes have been reported by many groups and utilized further for detection, sensing, environmental application, and others. 89,149,150 The electrochemical sensing and detection of dopamine was carried out by Lu et al under real sample conditions without the use of hydrogen peroxide for oxidase activity. They fabricated a Co, N co-doped hierarchical hybrid (Co@NCNTs/NC) composite from ZIF, which showed intrinsic oxidase activity without the use of H 2 O 2 .…”

Section: Designs and Advancement In Nano-carbon Based Nanozymesmentioning

confidence: 99%

Prospects of nano-carbons as emerging catalysts for enzyme-mimetic applications

et al. 2022

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Section: Designs and Advancement In Nano-carbon Based Nanozymesmentioning

confidence: 99%

Prospects of nano-carbons as emerging catalysts for enzyme-mimetic applications

et al. 2022

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“…EIS measurements employing [Ru(NH 3 ) 6 ] 3 + /2 + as the redox probe have been reported for other LIG materials. [26,[36][37][38] Figure S1 shows the EIS data obtained for 1 mmol L À 1 [Ru-(NH 3 ) 6 ] 3 + /2 + using the produced LIG electrodes and a R ct value of 395 Ω was achieved. These results are similar to the values obtained in previous works.…”

Section: Lig Electrode Characterizationmentioning

confidence: 99%

Infrared Laser‐Induced Graphene Sensor for Tyrosine Detection

et al. 2022

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In this work, we demonstrate that laser‐induced graphene (LIG) electrodes produced by a single‐step infrared irradiation on a commercially available polyimide sheet work as portable platforms for the electrochemical detection of tyrosine (Tyr). The LIG surface was characterized by Raman and scanning electron microscopy, which confirmed the formation of graphene with a highly porous structure. The sensor associated with differential‐pulse voltammetry provided the determination of Tyr with a linear range between 5 and 30 μmol L−1, a limit of detection (LOD) of 1.5 μmol L−1, precision of 6.2 % (n=10), and a satisfying selectivity towards interfering species found in biological media (e. g., dopamine, urea, and both ascorbic and uric acids). Artificial urine samples spiked with different amounts were analyzed by the proposed sensor and recovery values between 107 and 114 % were obtained. Opposite to many works reported in the literature, this platform did not require costly and time‐consuming surface modification processes, being an alternative feasible for other applications of clinical/medical interest. One LIG electrode sensor is produced in 140 s without chemical waste generation.

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“…With the rapid technological advances associated with nanozymes, the broad application of nanozymes extended apace to different fields, including environmental protection [ 35 ], anti-bacterial treatment [ 121 ], cancer therapy [ 122 ], cytoprotection [ 123 ], biosensing [ 101 ], and more [ 124 ]. Advances were achieved using different methodological approaches, including optical (fluorescent [ 125 ] and photoluminescent [ 126 ]) and electrochemical (voltametric [ 127 ] and amperometric [ 128 ]) detection strategies. Among these applications, the usage of nanozymes in biosensing has drawn notable attention because of the increased need for stable, cost-effective catalytic tools for use in clinical and basic research.…”

Section: Nanozymes and Their Potential Applications In Biosensingmentioning

confidence: 99%

Nanozymes—Hitting the Biosensing “Target”

Darland

Zhao

2021

Sensors

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Nanozymes are a class of artificial enzymes that have dimensions in the nanometer range and can be composed of simple metal and metal oxide nanoparticles, metal nanoclusters, dots (both quantum and carbon), nanotubes, nanowires, or multiple metal-organic frameworks (MOFs). They exhibit excellent catalytic activities with low cost, high operational robustness, and a stable shelf-life. More importantly, they are amenable to modifications that can change their surface structures and increase the range of their applications. There are three main classes of nanozymes including the peroxidase-like, the oxidase-like, and the antioxidant nanozymes. Each of these classes catalyzes a specific group of reactions. With the development of nanoscience and nanotechnology, the variety of applications for nanozymes in diverse fields has expanded dramatically, with the most popular applications in biosensing. Nanozyme-based novel biosensors have been designed to detect ions, small molecules, nucleic acids, proteins, and cancer cells. The current review focuses on the catalytic mechanism of nanozymes, their application in biosensing, and the identification of future directions for the field.

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Facile and rapid one-step mass production of flexible 3D porous graphene nanozyme electrode via direct laser-writing for intelligent evaluation of fish freshness

Cited by 29 publications

References 46 publications

Prospects of nano-carbons as emerging catalysts for enzyme-mimetic applications

Prospects of nano-carbons as emerging catalysts for enzyme-mimetic applications

Infrared Laser‐Induced Graphene Sensor for Tyrosine Detection

Nanozymes—Hitting the Biosensing “Target”

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