Journal ArticleDOI
Visual observation of the mercury-stimulated peroxidase mimetic activity of gold nanoparticles
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TLDR
Mercury-stimulated peroxidase mimetic activity of gold nanoparticles was presented, with which a sensitive label-free colorimetric method for Hg(2+) was developed.About:
This article is published in Chemical Communications.The article was published on 2011-10-25. It has received 278 citations till now. The article focuses on the topics: Mercury (element) & Colloidal gold.read more
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Nanomaterials with enzyme-like characteristics (nanozymes): next-generation artificial enzymes
Hui Wei,Erkang Wang +1 more
TL;DR: This review discusses various nanomaterials that have been explored to mimic different kinds of enzymes and covers their kinetics, mechanisms and applications in numerous fields, from biosensing and immunoassays, to stem cell growth and pollutant removal.
Journal ArticleDOI
Nanozymes: Classification, Catalytic Mechanisms, Activity Regulation, and Applications
TL;DR: This review systematically introduces the classification, catalytic mechanism, activity regulation as well as recent research progress of nanozymes in the field of biosensing, environmental protection, and disease treatments, etc. in the past years.
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Surface-Enhanced Raman Scattering Active Gold Nanoparticles with Enzyme-Mimicking Activities for Measuring Glucose and Lactate in Living Tissues
Yihui Hu,Hanjun Cheng,Xiaozhi Zhao,Jiangjiexing Wu,Faheem Muhammad,Shichao Lin,Jian He,Liqi Zhou,Chengping Zhang,Yu Deng,Peng Wang,Zhengyang Zhou,Shuming Nie,Shuming Nie,Hui Wei +14 more
TL;DR: The integrative nanozymes of AuNPs were used to evaluate the therapeutic efficacy of potential drugs and determine glucose and lactate metabolism in tumors and provided an interesting approach to designing nanoZymes for biomedical and catalytic applications.
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Surface modification of nanozymes
Biwu Liu,Juewen Liu +1 more
TL;DR: Nanoparticles and proteins are similar in a number of aspects, and using nanoparticles to mimic the catalytic function of enzymes is an interesting yet challenging task as mentioned in this paper, and many different types of nanozymes have been reported to catalyze a broad range of reactions for chemical, analytical, and biomedical applications.
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Nano-gold as artificial enzymes: hidden talents.
TL;DR: The focus is on recently discovered “hidden talents” of gold nanomaterials in artificial enzymes, including mimicking of nuclease, esterase, silicatein, glucose oxidase, peroxidase, catalase, and superoxide dismutase.
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Intrinsic peroxidase-like activity of ferromagnetic nanoparticles
Lizeng Gao,Jie Zhuang,Leng Nie,Jinbin Zhang,Yu Zhang,Ning Gu,Taihong Wang,Jing Feng,Dongling Yang,Sarah Perrett,Xiyun Yan +10 more
TL;DR: It is reported that magnetite nanoparticles in fact possess an intrinsic enzyme mimetic activity similar to that found in natural peroxidases, which are widely used to oxidize organic substrates in the treatment of wastewater or as detection tools.
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Prospects of Colloidal Nanocrystals for Electronic and Optoelectronic Applications
TL;DR: Nanocrystals (NCs) discussed in this Review are tiny crystals of metals, semiconductors, and magnetic material consisting of hundreds to a few thousand atoms each that are among the hottest research topics of the last decades.
Journal ArticleDOI
Preparation and Characterization of Au Colloid Monolayers
TL;DR: In this article, the design and initial characterization of two-dimensional arrays of colloidal Au particles are reported, which are prepared by self-assembly of 12 nm diameter colloidal particles onto immobilized polymers having pendant functional groups with high affinity for Au (i.e., CN, SH, and NH 2 ).
Journal ArticleDOI
Graphene oxide: intrinsic peroxidase catalytic activity and its application to glucose detection.
TL;DR: A simple, cheap, and highly sensitive and selective colorimetric method for glucose detection has been developed and will facilitate the utilization of GO-COOH intrinsic peroxidase activity in medical diagnostics and biotechnology.
Journal ArticleDOI
Physicochemical properties of small metal particles in solution: "microelectrode" reactions, chemisorption, composite metal particles, and the atom-to-metal transition
TL;DR: In this paper, the effects of surface modification on colloidal metal particles in aqueous solution were investigated. And the resulting changes in the chemical, photochemical, and optical properties were discussed.
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