Nitrate enhanced electrochemiluminescence determination of tris(2,3-dibromopropyl) isocyanurate with a gold nanoparticles-modified gold electrode

Zhao, Peng; Cao, Guangming; Zhou, Lifen; Liu, Qian; Guo, Minzhe; Huang, Yan; Cai, Qingyun; Yao, Shouzhuo

doi:10.1039/c1an15035a

Cited by 14 publications

(11 citation statements)

References 37 publications

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“…Feng et al (2010) and Ruan et al (2009) electrospray ionisation (ESI) and atmospheric pressure chemical ionisation (APCI) (both negative), and the sensitivity of both techniques for TDBP-TAZTO detection was similar. Zhao et al (2011) developed an electrochemiluminescence method for TDBP-TAZTO with an LOD of around 5×10 -8 M (approx. 0.4 µg/L).…”

Section: Methods Of Analysismentioning

confidence: 99%

Scientific Opinion on Emerging and Novel Brominated Flame Retardants (BFRs) in Food

2012

EFS2

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EFSA was asked to deliver a scientific opinion on brominated flame retardants (BFRs) other than PBDEs, PBBs, HBCDDs, TBBPA and brominated phenols and their derivatives. The BFRs that are the subject of the current opinion, were classified in groups termed "emerging" and "novel" BFRs. Information on 17 emerging and 10 novel BFRs was collected. The information varied widely for these BFRs. There is a lack of experimental data on physico-chemical characteristics, stability/reactivity and current use and production volume of all the emerging and novel BFRs. Due to the very limited information on occurrence, exposure and toxicity, the CONTAM Panel could not perform a risk characterisation for any of the BFRs considered. Instead, an attempt was made to identify those BFRs that could be a potential health concern and should be considered first for future investigations. For this purpose the Panel first evaluated the available experimental data on occurrence in food, behaviour in the environment and toxicity. Secondly, a modelling exercise was performed focussing on the potential of the emerging and novel BFRs for persistence in the environment and for their possible bioaccumulation potential. There is convincing evidence that tris(2,3-dibromopropyl) phosphate (TDBPP) and dibromoneopentyl glycol (DBNPG) are genotoxic and carcinogenic, warranting further surveillance of their occurrence in the environment and in food. Based on the limited experimental data on environmental behaviour, 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE) and hexabromobenzene (HBB) were identified as compounds that could raise a concern for bioaccumulation. For the modelling exercise, the CONTAM Panel selected two environmental characteristics, overall persistence and potential for bioaccumulation, as being most relevant to provide insight into the possibility that emerging or novel BFRs The less well known and less studied BFRs, subject of the current opinion, were grouped into two classes, referred to herein as "emerging" and "novel" BFRs. Emerging BFRs are defined as chemicals which are applied as flame retardants and that have been identified in any environmental compartment, in wildlife, in food or in humans. It should be noted that the definition for the emerging BFRs, used in this opinion, does not imply that there is evidence for an increasing trend in the concentration of these BFRs in the environment, in food or in human samples. Novel BFRs are defined as chemicals applied as flame retardants, with confirmed presence in materials and/or goods in concentrations above 0.1 %, but not identified in environmental samples, wildlife, food or humans. In total, information on 27 BFRs, of which 17 were identified as "emerging" and 10 as "novel", was collected by the CONTAM Panel, and it was noted that the available information varied widely for the various individual BFRs.In general, there is a lack of experimental data on physico-chemical characteristics and stability/reactivity for all the emerging and novel BFRs. This sometimes hampered ...

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Section: Methods Of Analysismentioning

confidence: 99%

Scientific Opinion on Emerging and Novel Brominated Flame Retardants (BFRs) in Food

2012

EFS2

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“…So, they are not suitable for eld tests. Zhao et al of our research group proposed an electrochemiluminescence (ECL) technique for the determination of TBC with a limit of detection of 5.0 Â 10 À8 M (S/N ¼ 3) and a linear range of 1.0 Â 10 À7 to 5.0 Â 10 À5 M, 8 which is not suitable for the detection of ultratrace TBC in environmental samples because of its low solubility in water.…”

Section: Introductionmentioning

confidence: 99%

A photoelectrochemical immunosensor for tris(2,3-dibromopropyl) isocyanurate detection with a multiple hybrid CdTe/Au–TiO2 nanotube arrays

Feng

Zhou

et al. 2013

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In this paper, tris(2,3-dibromopropyl) isocyanurate (TBC) is for the first time as far as we know determined by ultrasensitive photoelectrochemical (PEC) immunoassay using an antibody-modified ternary hybrid CdTe/Au-TiO2 nanotube arrays (NTAs) photoelectrode, developed by the pulse electrodeposition technique. The as-prepared hybrid shows enhanced photon absorption and photocurrent response, which subsequently increased the photoelectrical conversion efficiency in the visible region. TBC-antibody (Ab) was developed in rabbits as a result of immunization with the BSA-TBC conjugate and covalently cross-linked onto the CdTe/Au-TiO2 NTAs. Since the photocurrent is highly dependent on the TiO2 surface properties, the specific interaction between TBC and the antibody results in a sensitive change in the photocurrent, which displayed a linear range of 5.0 × 10(-11) to 5.0 × 10(-5) M and a low detection limit of 5.0 × 10(-11) M for TBC determination. This proposed strategy highlights the application of TiO2 nanotube in visible-light-activated photoelectrochemical biosensing, which could largely reduce the destructive effect of UV light on biomolecules.

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“…Therefore, it is very important to detect POPs for both environmental evaluation and further treatment 9. Although many detection approaches have been developed, for example, immunosensor,9a electrochemiluminescence,9b surface‐enhanced Raman spectroscopy,9c fluorescence resonance energy transfer,9d and electrochemical methods,9e, f exploring and developing facile and rapid approaches for the sensitive detection of POPs is currently a major challenge.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Electrochemical Sensing for Persistent Organic Pollutants by Nanohybrids of Graphene Nanosheets that are Noncovalently Functionalized with Cyclodextrin

et al. 2012

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Using 3,4,9,10‐perylene tetracarboxylic acid as a bridge to connect mono(6‐ethanediamine‐6‐deoxy)‐β‐cyclodextrin (NH2‐β‐CD) to the surface of graphene, noncovalently functionalized graphene nanosheets (CD‐PTCA‐GNs) are synthesized for the first time. The as‐prepared CD‐PTCA‐GNs were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, atomic force microscopy, and electrochemical methods. The electrocatalytic activities toward several persistent organic pollutants (POPs) at the glassy carbon (GC) electrode modified with CD‐PTCA‐GNs were investigated, all of which show a remarkable increase in electrochemical performance relative to the bare GC and GNs/GC electrodes. 1‐aminonaphthalene (1‐NA) was used as the representative analyte to demonstrate the sensing performance of the CD‐PTCA‐GNs. The results show that the linear response range of 1‐NA is 10–550 nM with the detection limit of 1.0 nM (S/N=3), thus implying that the CD‐PTCA‐GNs organic–inorganic nanohybrids will have promising applications in POPs analysis and as sensors.

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Nitrate enhanced electrochemiluminescence determination of tris(2,3-dibromopropyl) isocyanurate with a gold nanoparticles-modified gold electrode

Cited by 14 publications

References 37 publications

Scientific Opinion on Emerging and Novel Brominated Flame Retardants (BFRs) in Food

Scientific Opinion on Emerging and Novel Brominated Flame Retardants (BFRs) in Food

A photoelectrochemical immunosensor for tris(2,3-dibromopropyl) isocyanurate detection with a multiple hybrid CdTe/Au–TiO2 nanotube arrays

Enhanced Electrochemical Sensing for Persistent Organic Pollutants by Nanohybrids of Graphene Nanosheets that are Noncovalently Functionalized with Cyclodextrin

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