Synthesis of highly fluorescent gold nanoclusters using egg white proteins

Joseph, Dickson; Geckeler, Kurt E.

doi:10.1016/j.colsurfb.2013.11.017

Cited by 58 publications

(34 citation statements)

References 31 publications

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“…This synthesis can effectively enhance the fluorescent effect of AuNCs with a fairly long reaction time. According to the first template-assisted techniques, a series of templates such as polymers [35,52], proteins [53,54], dendrimers [55], and DNA [56,57] have been investigated for the synthetic method of AuNCs. Compared with other synthetic techniques, template-protected techniques use mild reductant in the presence of strong stabilizer.…”

Section: "Atoms To Clusters" Routementioning

confidence: 99%

“…This striking work is not only a novel method for creating highly fluorescent AuNCs, but a promising protocol can be used for the other proteins and noble metals. Following to this report, many groups studied this "green" synthetic route with other bioactive proteins such as insulin [68][69][70], lysozyme [71], transferrin [72], and egg white proteins [53]. Chou et al have firstly selected insulin as the template for synthesizing the fluorescent AuNCs.…”

Section: "Atoms To Clusters" Routementioning

confidence: 99%

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Fluorescent Gold Nanoclusters: Synthesis and Recent Biological Application

et al. 2015

Journal of Nanomaterials

113

112

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Fluorescent gold nanoclusters (AuNCs) have been extensively studied due to their unique construction and distinctive properties, which place them between single metal atoms and larger nanoparticles. The dimension of AuNCs is comparable to the Fermi wavelength of electrons, which lead to size-dependent fluorescence and other molecule-like properties. In this review, we summarize various synthesis strategies of fluorescent AuNCs and recent advances of biological applications such as biosensing, biolabeling, and bioimaging. The synthetic methods are considered as two routes: "Atoms to Clusters" and "Nanoparticles to Clusters. " The surface functionalization of AuNCs is described as the precondition for making future bioapplications possible, which can eventually influence their stability, biocompatibility, and other properties. And then we focus on the recent advances of AuNCs-based applications in biological sensing, biolabeling, and bioimaging and finally discuss the current challenges of AuNCs in controllable synthesis and biological application.

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Section: "Atoms To Clusters" Routementioning

confidence: 99%

Section: "Atoms To Clusters" Routementioning

confidence: 99%

Fluorescent Gold Nanoclusters: Synthesis and Recent Biological Application

et al. 2015

Journal of Nanomaterials

113

112

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“…Due to their molecule-like behavior including discrete electronic states and size-dependent fluorescence, which have been extensively applications in various fields including analysis [19,20], sensing [21] and bio-imaging [22,23]. So far, extensive studies have concentrated on the synthesis of luminescent gold and silver nanoclusters, using various kinds of templates or stabilizing agents such as thiols [24,25], peptides [26], proteins [27,28], DNA [29] and polymers [30]. In contrast to Au and Ag, Cu is extremely cheap, common and widely used in daily life, but its use in preparation of CuNCs is rare [31].…”

Section: Introductionmentioning

confidence: 99%

Green synthesis of fluorescent copper nanoclusters for reversible pH-sensors

Qiao

Zhang

et al. 2015

Sensors and Actuators B: Chemical

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“…In the present work, a cheap and easily obtained chicken egg white (CEW) was selected as a template for the synthesis of fluorescent gold nanoclusters. 35,36 By studying the interaction between the as-prepared chicken egg white stabilized gold nanoclusters (CEW-Au NCs) and environmental metal ions, we found that mercury and copper could effectively quench the fluorescence of CEW-Au NCs. Considering that mercury is a widely presented environmental metal pollution, we introduced an ethylenediaminetetraacetate (EDTA) masking method to exclude the interference of copper ion in mercury ion detection.…”

Section: Introductionmentioning

confidence: 99%

Chicken Egg White-stabilized Au Nanoclusters for Selective and Sensitive Detection of Hg(II)

Ling

Han

et al. 2017

ANAL. SCI.

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In this paper, chicken egg white purchased from a local market without further purification was directly used to prepare fluorescent gold nanoclusters through a one-step, simple, fast and green synthesis approach for analytical purposes. The as-prepared chicken egg white stabilized gold nanocluster probe has strong red fluorescence emission, which can be quenched by mercury ions and copper ions sensitively. By using an ethylenediaminetetraacetate (EDTA) masking method, mercury ions in the range from 0.60 to 10 μM can be linearly detected with the limit of detection (LOD, 3σ) of 0.510 μM in the presence of equivalent copper ions. Since the preparation of a chicken egg white stabilized gold nanocluster probe is fast, easy and cheap, this selective analytical method for mercury pollution monitoring in environmental waters may be widely used in daily life by ordinary people.

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Synthesis of highly fluorescent gold nanoclusters using egg white proteins

Cited by 58 publications

References 31 publications

Fluorescent Gold Nanoclusters: Synthesis and Recent Biological Application

Fluorescent Gold Nanoclusters: Synthesis and Recent Biological Application

Green synthesis of fluorescent copper nanoclusters for reversible pH-sensors

Chicken Egg White-stabilized Au Nanoclusters for Selective and Sensitive Detection of Hg(II)

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