Determination of triadimenol based on the quenching effect on resonance light scattering from the triadimenol–deoxyribonucleic acid–hydrochloric acid system

Du, Fengpei; Luo, Xiaolin; Jiang, Guibin; Hou, Shicong; Liu, Gang; Ren, Liping; Zhang, Li; Qin, Huang; Jie, Nianqin

doi:10.1007/s00216-007-1218-y

Cited by 2 publications

(2 citation statements)

References 16 publications

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“…[21] Moreover, light scattering was applied for the determination of TDF. [22] However, the vibrational spectrum of TDF has not been investigated. After it was discovered, [23] surface-enhanced Raman scattering (SERS) was explored [24][25][26][27][28] as a platform for the determination of trace substances [29,30] and even single-molecule detection.…”

Section: Introductionmentioning

confidence: 99%

“…The methods typically used to investigate this compound include gas chromatography (GC) and high‐performance liquid chromatography (HPLC) with different detectors such as mass spectrometry and ultraviolet (UV) . Moreover, light scattering was applied for the determination of TDF . However, the vibrational spectrum of TDF has not been investigated.…”

Section: Introductionmentioning

confidence: 99%

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Multiple weak interaction‐assisted SERS detection platform for triadimefon

Shen

et al. 2014

J Raman Spectroscopy

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In this paper, a surface enhanced Raman spectra (SERS) detection platform for the widely used pesticide of triadimefon (TDF) is described. TDF is difficult to connect to the gold/silver SERS substrate, but the optical properties of the probe molecule 4-mercaptobenzoic acid (4-MBA), including the peak intensity and the peak position, are easily altered by the multiple weak interaction-assisted SERS detection platform. The limit of detection (LOD) of this method is 1.0 × 10 -9 M, and the linear range is from 1.0 × 10 -6 M to 1.0 × 10 -9 M. The linear region is from 1.0 × 10 -6 M to 1.0 × 10 -9 M, described by the equation y = 884.01x + 2.24 with a correlation coefficient (R 2 ) of 0.9990. Interference of foreign metal ions with higher concentrations than common mineral water is too weak to the determination. Furthermore, physical insights into the phenomena and the detection mechanism were obtained and investigated theoretically. The preferential conformation of the complex and reduced density gradient (RDG) calculation results indicated that the interactions between TDF and 4-MBA consisted of multiple weak interactions through two hydrogen bonds and one van der Waals interaction. The intermolecular interaction was negative for the charge transfer from the SERS substrate to the probe molecule; thus, the peak intensity decreased. TDF interacts directly with the carboxyl of the probe molecule and consequently has an effect on the ring vibrations.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multiple weak interaction‐assisted SERS detection platform for triadimefon

Shen

et al. 2014

J Raman Spectroscopy

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Degradation of the Endocrine-Disrupting Compound Triadimenol Using Photo-Fenton Reaction System and Experimental Design

Gkorgkolia

Fytianos

2023

Water Air Soil Pollut

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In the present report, the oxidative degradation of an endocrine-disrupting compound triadimenol has been investigated using the photo-Fenton reaction. Different reaction conditions that affected the degradation kinetics were examined including the iron (Fe2+) ions and hydrogen peroxide (H2O2) concentrations, the initial concentration of triadimefon, and the type of iron salt. The degradation rates proved to be strongly influenced by the above parameters. The reaction conditions in terms of Fe2+ and H2O2 concentrations were systematically studied and optimized using an experimental design through central composite design. The kinetics of the process can be characterized as pseudo-first-order. As iron and hydrogen peroxide concentrations increase, the degradation rate of triadimenol accelerates and complete degradation can be achieved after a short time of illumination. The effectiveness of the five different iron salts on the degradation performance were also investigated. Experiments with longer time illumination can lead to complete mineralization and detoxification of triadimenol solutions. The properties of the proposed oxidative degradation scheme make it a promising candidate for wastewater treatment.

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Determination of triadimenol based on the quenching effect on resonance light scattering from the triadimenol–deoxyribonucleic acid–hydrochloric acid system

Cited by 2 publications

References 16 publications

Multiple weak interaction‐assisted SERS detection platform for triadimefon

Multiple weak interaction‐assisted SERS detection platform for triadimefon

Degradation of the Endocrine-Disrupting Compound Triadimenol Using Photo-Fenton Reaction System and Experimental Design

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