Protein-mediated sponge-like copper sulfide as an ingenious and efficient peroxidase mimic for colorimetric glucose sensing

Liu, Yan; Jin, Haijia; Zou, Wenting; Guo, Rong

doi:10.1039/d0ra05496h

Cited by 14 publications

(5 citation statements)

References 37 publications

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“…The Fenton activity of the CuS and Gox@CuS NPs was examined by monitoring the oxidation of the chromogenic substrate 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS, λ = 420 nm) by ROS in the presence or absence of H 2 O 2 and Cl − (Figures 2A and S8). As previously observed by Liu et al, 43 ROS produced on the surface of CuS showed negligible activity toward the negatively charged ABTS compared to other substrates; however, the presence of Cl − in this study demonstrated the accelerated oxidation of this probe by ROS under mildly acidic conditions provided by the glucose oxidation reaction catalyzed by Gox, as described in eq 1 (Figure S9). Importantly, we observed that this catalytic activity was primarily from the reactions facilitated by the NP surface and not from the acid-led degradation of H 2 O 2 , surface adsorption of ABTS, or leached Cu 2+ (Figure S10).…”

Section: Resultssupporting

confidence: 77%

Synergistic Multimodal Cancer Therapy Using Glucose Oxidase@CuS Nanocomposites

Singh

Youden

Yang

et al. 2021

ACS Appl. Mater. Interfaces

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Multimodal nanotherapeutic cancer treatments are widely studied but are often limited by their costly and complex syntheses that are not easily scaled up. Herein, a simple formulation of glucose-oxidasecoated CuS nanoparticles was demonstrated to be highly effective for melanoma treatment, acting through a synergistic combination of glucose starvation, photothermal therapy, and synergistic advanced chemodynamic therapy enabled by near-infrared irradiation coupled with Fenton-like reactions that were enhanced by endogenous chloride.

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Section: Resultssupporting

confidence: 77%

Synergistic Multimodal Cancer Therapy Using Glucose Oxidase@CuS Nanocomposites

Singh

Youden

Yang

et al. 2021

ACS Appl. Mater. Interfaces

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“…In addition to the above-mentioned antibacterial applications, nanozymes with POD-like activity are often used for colorimetric detection. For example, Liu et al 26 made the important discovery that spongelike copper sulfide could function as a POD mimic, aiding in the oxidation of 3,3′,5,5′tetramethyl benzidine (TMB) and 1,2-diaminobenzene (OPD) for colorimetric glucose detection. The results demonstrated that OPD exhibited higher affinity toward the nanozyme mixture compared to TMB.…”

Section: ■ Classification Of Nanozymesmentioning

confidence: 99%

Nanomaterials with Enzyme-like Properties for Combatting Foodborne Pathogen Infections: Classifications, Mechanisms, and Applications in Food Preservation

Cui,

Li,

Wang

et al. 2024

J. Agric. Food Chem.

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During the transportation and storage of food, foodborne spoilage caused by bacterial and biofilm infection is prone to occur, leading to issues such as short shelf life, economic loss, and sensory quality instability. Therefore, the development of novel and efficient antibacterial agents capable of efficiently inhibiting bacteria throughout various stages of food processing, transportation, and storage is strongly recommended by researchers. The emergence of nanozymes is considered to be an effective candidate for inhibiting foodborne bacteria agents in the food industry. As potent antibacterial agents, nanozymes have the advantages of low cost, high stability, strong broad-spectrum antibacterial ability, and biocompatibility. Herein, we aim to summarize the classification status of various nanozymes. Furthermore, the general catalytic bacteriostatic mechanism of nanozymes against intracellular bacteria, planktonic bacteria, and biofilm activities are highlighted, mainly concerning the destruction of cell walls and/ or membranes, reactive oxygen species regulation, HOBr/Cl generation, damage of intracellular components, and so forth. In particular, the review focuses on the pivotal role of nanozymes as antibacterial agents and delivery vehicles in the fields of food preservation applications. We look forward to the future prospects, especially in the field of food preservation, to promote broader applications based on antimicrobial nanozymes.

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“…Notably, TMS, particularly two-dimensional (2D) materials, has demonstrated catalytic activities akin to peroxidase enzymes. For example, single-metal TMS-CuS, capable of mimicking peroxidase-like activity, has been used for the direct detection of hydrogen peroxide and glucose, facilitating the construction of sensitive glucose sensors . Binary TMS-CuInS 2 nanofibers have also been exploited for the ultrasensitive detection of dopamine, exploiting their peroxidase-like activity .…”

Section: Introductionmentioning

confidence: 99%

“…For example, single-metal TMS-CuS, capable of mimicking peroxidase-like activity, has been used for the direct detection of hydrogen peroxide and glucose, facilitating the construction of sensitive glucose sensors. 15 Binary TMS-CuInS 2 nanofibers have also been exploited for the ultrasensitive detection of dopamine, exploiting their peroxidaselike activity. 16 Another oxidase widely found in natural laccase is a polyphenol oxidase.…”

Section: ■ Introductionmentioning

confidence: 99%

Research on Surface-Enhanced Raman Spectroscopy and Simulated Laccase Activity of Two-Dimensional Metal Sulfide Nanosheets

Wen,

Jiang,

Yang

et al. 2024

J. Phys. Chem. C

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Transition metal sulfides (TMS) exhibit unique attributes such as high electron mobility, excellent charge transfer ability, narrow band gap, and large surface area, which makes them particularly attractive for use in surface-enhanced Raman spectroscopy (SERS) and as catalysts applications. In this study, we prepared NiCo 2 S 4 TMS nanosheets through a hydrothermal process. These nanosheets display outstanding SERS activity, which is attributed to their exceptional charge transfer interactions with crystal violet (CV). In addition, NiCo 2 S 4 nanosheets display excellent laccase-like activity. Density functional theory (DFT) calculations further reveal that NiCo 2 S 4 −O 2 exhibits a low adsorption energy and pronounced laccase-like catalytic performance. Furthermore, the NiCo 2 S 4 nanosheets show great potential for the oxidation and detection of various catechin molecules. Consequently, the NiCo 2 S 4 nanosheets exhibit immense potential in various applications, including SERS analysis and detection, laccase-like antibacterial properties, and the degradation of environmental pollutants.

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Protein-mediated sponge-like copper sulfide as an ingenious and efficient peroxidase mimic for colorimetric glucose sensing

Abstract: Strenuous efforts have been made to develop nanozymes for achieving the performance of natural enzymes, but the fabrication of high-performance and biocompatible nanozymes via facile and versatile approaches has always been a great challenge.

Cited by 14 publications

References 37 publications

Synergistic Multimodal Cancer Therapy Using Glucose Oxidase@CuS Nanocomposites

Synergistic Multimodal Cancer Therapy Using Glucose Oxidase@CuS Nanocomposites

Nanomaterials with Enzyme-like Properties for Combatting Foodborne Pathogen Infections: Classifications, Mechanisms, and Applications in Food Preservation

Research on Surface-Enhanced Raman Spectroscopy and Simulated Laccase Activity of Two-Dimensional Metal Sulfide Nanosheets

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