Determination of Trace Urea by Resonance Rayleigh Scattering-Energy Transfer Spectroscopy Coupled With Polystyrene Nanoprobe and Dimethylglyoxime Reaction

Dong-mei YAO; Shan-shan LU; Gui-qing WEN; Ai-hui LIANG; Zhi-liang JIANG

doi:10.3964/j.issn.1000-0593(2020)11-3590-04

Journals >Spectroscopy and Spectral Analysis >Volume 40 >Issue 11 >Page 3590 > Article

Spectroscopy and Spectral Analysis
Vol. 40, Issue 11, 3590 (2020)

Determination of Trace Urea by Resonance Rayleigh Scattering-Energy Transfer Spectroscopy Coupled With Polystyrene Nanoprobe and Dimethylglyoxime Reaction

Dong-mei YAO^1、1、*, Shan-shan LU^1、1, Gui-qing WEN^1、1, Ai-hui LIANG^1、1, and Zhi-liang JIANG^1、1

Author Affiliations

¹[in Chinese]

¹1. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Guilin 541004, China

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DOI: 10.3964/j.issn.1000-0593(2020)11-3590-04 Cite this Article

Dong-mei YAO, Shan-shan LU, Gui-qing WEN, Ai-hui LIANG, Zhi-liang JIANG. Determination of Trace Urea by Resonance Rayleigh Scattering-Energy Transfer Spectroscopy Coupled With Polystyrene Nanoprobe and Dimethylglyoxime Reaction[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3590 Copy Citation Text

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RRS spectra of UR-DMG-PS system(0, 2, 20, 100, 200, 400, 800, 1 200, 1 600, 2 000, 2 400, 2 800, 3 200 ng·mL-1) UR+0.75 mol·L-1 HCl+0.22 mmol·L-1 TSC+19.35 mmol·L-1 DMG +17.5 μg·mL-1 PS

Fig. 1. RRS spectra of UR-DMG-PS system
(0, 2, 20, 100, 200, 400, 800, 1 200, 1 600, 2 000, 2 400, 2 800, 3 200 ng·mL^-1) UR+0.75 mol·L^-1 HCl+0.22 mmol·L^-1 TSC+19.35 mmol·L^-1 DMG +17.5 μg·mL^-1 PS

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Fig. 2. Scanning electron microscope image of PS

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测定方法	线性范围	检出限	注释	参考文献
电化学法	0~40 mmol·L^-1	-	方法操作方便, 但灵敏度低	[11]
光度法	4~80 mmol·L^-1	-	方法操作方便, 但灵敏度低	[12]
SERS	8.25~825 nmol·L^-1	4.92 nmol·L^-1	简便, 灵敏	[13]
红外光谱法	-	0.1 mmol·L^-1	方法快速, 但准确度不高	[14]
生物传感器	-	-	方法简便, 但是定量分析难	[15]
荧光法	0~10 mmol·L^-1	0.072 mmol·L^-1	方法操作方便, 但灵敏度低	[16]
RRS-ET	2.0~3 200 ng·mL^-1	2.0 ng·mL^-1	方法操作简单快速、灵敏度高	本法

Table 1. Comparison of analytical methods for detecting UR

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