Development of a Whole Cells Microbial Biosensor Based on 
            <i>E.coli</i> and Its Application to Acute Biotoxicity Determination

Qian, Jun; Li, Jiuming; Zhi, Jin-Fang; Qin, Shidong

doi:10.3724/sp.j.1096.2013.20791

Cited by 2 publications

(2 citation statements)

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“…In contrast, electrochemical microbial biosensors for toxicity measurement have drawn considerable attention lately due to some advantages such as fast response, low cost, no limitations for colored/turbid samples, etc . For microbial electrochemical biosensor, the fast electron transfer between microbes and electrode is an essential prerequisite to achieve high sensitivity and rapid response .…”

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confidence: 69%

Fabrication of a Novel, Cost-Effective Double-Sided Indium Tin Oxide-Based Nanoribbon Electrode and Its Application of Acute Toxicity Detection in Water

Fang

Liu

et al. 2020

ACS Sens.

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Microelectrode plays a crucial role in developing a rapid biosensor for detecting toxicity in water. In this study, a nanoribbon electrode (NRE) with amplified microelectrode signal was successfully prepared by electrodepositing 2-allylphenol on a double-sided indium tin oxide glass. The NRE provided a simple mean for obtaining large steady-state current response. Its advantages were discussed by contrasting the toxicity detection of 3,5-dichlorophenol (DCP) with single microelectrode, microelectrode array, and millimeter electrode as working electrodes in which potassium ferricyanide (K3[Fe(CN)6]) was adopted as a mediator, and Escherichia coli was selected as bioreceptor. At a constant potential of 450 mV, the current reached a steady state within 10 s. The biosensor was constructed using the NRE as working electrode, and its feasibility was verified by determining the toxicity of DCP. A 50% inhibitory concentration (IC50) of 3.01 mg/L was obtained by analyzing the current responses of different concentrations of DCP within 1 h. These results exhibited that the proposed method based on the as-prepared NRE was a rapid, sensitive, and cost-effective way for toxicity detection in water.

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confidence: 69%

Fabrication of a Novel, Cost-Effective Double-Sided Indium Tin Oxide-Based Nanoribbon Electrode and Its Application of Acute Toxicity Detection in Water

Fang

Liu

et al. 2020

ACS Sens.

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“…Micro-nano structures are widely used in photocatalysis, [1,2] photonic crystals, [3,4] surface-enhanced Raman scattering, [5,6] and solar absorption. [7][8][9][10] In addition, optical refractive index sensors [11][12][13][14][15][16] based on micro-nano structures have garnered significant interest as they can dynamically detect the refractive index of a sample by identifying the formant drift in the spectral curve.…”

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confidence: 99%

Refractive index sensing of double Fano resonance excited by nano-cube array coupled with multilayer all-dielectric film

Wang¹,

Zhang²,

Zhu³

et al. 2022

Chinese Phys. B

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We propose a hybrid structure of a nano-cube array coupled with multilayer full-dielectric thin films for refractive index sensing. In this structure, discrete states generated by two-dimensional grating and continuous states generated by a photonic crystal were coupled at a specific wavelength to form two Fano resonances. The transmission spectra and electric field distributions of the structure were obtained via the finite-difference time-domain method. We obtained the optimal structural parameters after optimizing the geometrical parameters. Under the optimal parameters, the figure of merit (FOM) values of the two Fano resonances reached 1.7 × 104 and 3.9 × 103, respectively. These results indicate that the proposed structure can achieve high FOM refractive index sensing, thus offering extensive application prospects in the biological and chemical fields.

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Development of a Whole Cells Microbial Biosensor Based on E.coli and Its Application to Acute Biotoxicity Determination

Cited by 2 publications

References 0 publications

Fabrication of a Novel, Cost-Effective Double-Sided Indium Tin Oxide-Based Nanoribbon Electrode and Its Application of Acute Toxicity Detection in Water

Fabrication of a Novel, Cost-Effective Double-Sided Indium Tin Oxide-Based Nanoribbon Electrode and Its Application of Acute Toxicity Detection in Water

Refractive index sensing of double Fano resonance excited by nano-cube array coupled with multilayer all-dielectric film

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