Establishment of anti-oxidation platform based on few-layer molybdenum disulfide nanosheet-coated titanium dioxide nanobelt nanocomposite

Liu, Xiangyong; Li, Danxia; Liang, Ye; Lin, Yu Wen; Liu, Zengxu; Niu, Haitao; Xu, Yuanhong

doi:10.1016/j.jcis.2021.05.056

Cited by 12 publications

(11 citation statements)

References 54 publications

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“…A fluorescent assay based on EuTc was used to assess the ability to consume H 2 O 2 . 28 EuTc was not fluorescent by nature, but when H 2 O 2 was present, a compound of EuTc and hydrogen peroxide was formed, with a strong fluorescence emission at 620 nm. The decomposition of H 2 O 2 can break the balance between EuTc-hydrogen peroxide and EuTc.…”

Section: Synergistic Properties Of Cose 2 Nanoparticlesmentioning

confidence: 96%

“…Catalase activities of CoSe 2 were evaluated with a EuTc by fluorescence catalase assay. 28 Meanwhile, it is well known that catalase is a strong catalytic enzyme that can break down H 2 O 2 into water and oxygen. An oxygen probe was used to quantify the DO produced by the enzymatic reaction of CoSe 2 in H 2 O 2 solutions at a range of concentrations (0.6 to 10 mM) and pH ranges (2−10).…”

Section: Fluorescence Measurement and Electron Spin Resonance Of The Rosmentioning

confidence: 99%

“…Compared with natural enzymes, nanozymes have low cost, are easy to modify, have adjustable catalytic activity, and combine the advantages of natural enzymes and nanomaterials. In addition, artificial enzymes have higher stability under harsh conditions of existence; simultaneously, there are multiple enzyme activities, − synergies, and cascading reactions , that have been widely used in cancer treatment, , biosensing, , anti-inflammatory, , antibacterial treatment, , etc. By integrating photodynamic, photothermal, and peroxidase-mimicking activities, Yang’s team created a covalent organic framework (COF) with a conjugated donor–acceptor system for efficient photoinduced bacteriostasis.…”

Section: Introductionmentioning

confidence: 99%

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CoSe₂ Nanoparticles with Multienzymic Activities for Antibacterial Applications

Zuo

Zhong

Huang

et al. 2023

ACS Appl. Nano Mater.

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Increasing bacterial resistance has led to the aggravation of diseases caused by microbial infections, posing a significant threat to human health. The multicascade approach is more efficient than a single treatment for resistant bacteria. Here, we describe the simple method of fabricating CoSe 2 nanoparticles, which operate as a single-component, multienzyme-mimicking nanoplatform for multiple ROS production. The nanoplatform simultaneously exhibits multienzymatic activities that mimic intrinsic catalase, peroxidase, and oxidase. Furthermore, under the synergistic action of 808 nm NIR, the multienzyme cascade action and ROS produced by photodynamics play a stronger role against drug-resistant extended-spectrum β-lactamase-producing Escherichia coli. Therefore, this study reveals the potential of CoSe 2 nanoparticles as efficient antimicrobial reagents, providing a promising alternative nanozyme for biomedical use.

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Section: Synergistic Properties Of Cose 2 Nanoparticlesmentioning

confidence: 96%

Section: Fluorescence Measurement and Electron Spin Resonance Of The Rosmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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CoSe₂ Nanoparticles with Multienzymic Activities for Antibacterial Applications

Zuo

Zhong

Huang

et al. 2023

ACS Appl. Nano Mater.

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“…Both in vitro and in vivo experiments revealed the biocompatibility of the synthesized nanocomposite with superior intracellular ROS scavenging potency, indicating its potential use in inflammation therapies. In another study, a nanocomposite (MoS 2 @TiO 2 ) containing TiO 2 nano-belts and decorated with MoS 2 NPs was synthesized [120]. The prepared MoS 2 @TiO 2 nanocomposite had the highest CAT and SOD activities under physiologically relevant conditions.…”

Section: Nanocomposite-based Nanoantioxidantsmentioning

confidence: 99%

Nanoantioxidants: Pioneer Types, Advantages, Limitations, and Future Insights

Omran

Baek

2021

Molecules

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Free radicals are generated as byproducts of normal metabolic processes as well as due to exposure to several environmental pollutants. They are highly reactive species, causing cellular damage and are associated with a plethora of oxidative stress-related diseases and disorders. Antioxidants can control autoxidation by interfering with free radical propagation or inhibiting free radical formation, reducing oxidative stress, improving immune function, and increasing health longevity. Antioxidant functionalized metal nanoparticles, transition metal oxides, and nanocomposites have been identified as potent nanoantioxidants. They can be formulated in monometallic, bimetallic, and multi-metallic combinations via chemical and green synthesis techniques. The intrinsic antioxidant properties of nanomaterials are dependent on their tunable configuration, physico-chemical properties, crystallinity, surface charge, particle size, surface-to-volume ratio, and surface coating. Nanoantioxidants have several advantages over conventional antioxidants, involving increased bioavailability, controlled release, and targeted delivery to the site of action. This review emphasizes the most pioneering types of nanoantioxidants such as nanoceria, silica nanoparticles, polydopamine nanoparticles, and nanocomposite-, polysaccharide-, and protein-based nanoantioxidants. This review overviews the antioxidant potential of biologically synthesized nanomaterials, which have emerged as significant alternatives due to their biocompatibility and high stability. The promising nanoencapsulation nanosystems such as solid lipid nanoparticles, nanostructured lipid carriers, and liposome nanoparticles are highlighted. The advantages, limitations, and future insights of nanoantioxidant applications are discussed.

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“…Among them, 117 kinds of nanozymes have been utilized for disease treatments. So far, nanomaterials have been found to possess a variety of oxidoreductase activities, containing peroxidase (POD) ( Li L et al, 2021 ; Li X et al, 2021 ; Liu C et al, 2021 ; Su et al, 2021 ; Zhang J et al, 2021 ), catalase (CAT) ( Jia et al, 2019 ; Liu et al, 2021a ; Wu et al, 2021 ; Xu et al, 2021 ; Zhang Y et al, 2021 ), superoxide dismutase (SOD) ( Liu et al, 2021b ; Liang and Yan, 2019 ; Lv et al, 2021 ; Sang et al, 2020 ; Yuan et al, 2021 ), oxidase (OXD) ( Hu et al, 2021 ; Lin et al, 2021 ; Liu Y et al, 2021 ; Zhang J et al, 2021 ; Zhu et al, 2021 ) and glutathione peroxidase (GPx) etc. ( Gao and Yan, 2013 ).…”

Section: Introductionmentioning

confidence: 99%

Inorganic Nanozymes: Prospects for Disease Treatments and Detection Applications

et al. 2021

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In recent years, with the development of nanomaterials, a slice of nanomaterials has been demonstrated to possess high catalytic activity similar to natural enzymes and counter the dilemmas including easy inactivation and low yield natural of enzymes, which are labeled as nanozymes. The catalytic activity of nanozymes could be easily regulated by size, structure, surface modification and other factors. In comparison with natural enzymes, nanozymes featured with a more stable structure, economical preparation and preservation, diversity of functions and adjustable catalytic activity, thus becoming the potentially ideal substitute for natural enzymes. Generally, the are mainly three types containing metal oxide nanozymes, noble metal nanozymes and carbon-based nanozymes, owing various applications in biomedical, energy and environmental fields. In this review, to summarize the recent representative applications of nanozymes, and potentially explore the scientific problems in this field at the same time, we are going to discuss the catalytic mechanisms of diverse nanozymes, with the emphasis on their applications in the fields of tumor therapy, anti-inflammatory and biosensing, hoping to help and guide the future development of nanozymes.

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Establishment of anti-oxidation platform based on few-layer molybdenum disulfide nanosheet-coated titanium dioxide nanobelt nanocomposite

Cited by 12 publications

References 54 publications

CoSe₂ Nanoparticles with Multienzymic Activities for Antibacterial Applications

CoSe₂ Nanoparticles with Multienzymic Activities for Antibacterial Applications

Nanoantioxidants: Pioneer Types, Advantages, Limitations, and Future Insights

Inorganic Nanozymes: Prospects for Disease Treatments and Detection Applications

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Establishment of anti-oxidation platform based on few-layer molybdenum disulfide nanosheet-coated titanium dioxide nanobelt nanocomposite

Cited by 12 publications

References 54 publications

CoSe2 Nanoparticles with Multienzymic Activities for Antibacterial Applications

CoSe2 Nanoparticles with Multienzymic Activities for Antibacterial Applications

Nanoantioxidants: Pioneer Types, Advantages, Limitations, and Future Insights

Inorganic Nanozymes: Prospects for Disease Treatments and Detection Applications

Contact Info

Product

Resources

About

CoSe₂ Nanoparticles with Multienzymic Activities for Antibacterial Applications

CoSe₂ Nanoparticles with Multienzymic Activities for Antibacterial Applications