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1. 郑州大学 药学院, 河南 郑州 450001
2. 河南工业大学 化学化工学院, 河南 郑州 450001
3. 郑州大学 化学系, 河南 郑州 450001
纸质出版日期:2013-1-10,
收稿日期:2012-10-22,
修回日期:2012-11-18,
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杨冉, 曾华金, 睢国慧, 郭城, 李建军, 屈凌波. 利用CdTe量子点增敏鲁米诺-过氧化氢化学发光体系测定水环境中的对苯二酚[J]. 发光学报, 2013,(1): 116-121
YANG Ran, ZENG Hua-jin, SUI Guo-hui, GUO Cheng, LI Jian-jun, QU Ling-bo. Determination of Hydroquinone in The Aquatic Environment by Chemiluminescence of Luminol-H<sub>2</sub>O<sub>2</sub> Sensitized by CdTe Quantum Dots[J]. Chinese Journal of Luminescence, 2013,(1): 116-121
杨冉, 曾华金, 睢国慧, 郭城, 李建军, 屈凌波. 利用CdTe量子点增敏鲁米诺-过氧化氢化学发光体系测定水环境中的对苯二酚[J]. 发光学报, 2013,(1): 116-121 DOI: 10.3788/fgxb20133401.0116.
YANG Ran, ZENG Hua-jin, SUI Guo-hui, GUO Cheng, LI Jian-jun, QU Ling-bo. Determination of Hydroquinone in The Aquatic Environment by Chemiluminescence of Luminol-H<sub>2</sub>O<sub>2</sub> Sensitized by CdTe Quantum Dots[J]. Chinese Journal of Luminescence, 2013,(1): 116-121 DOI: 10.3788/fgxb20133401.0116.
在碱性条件下
CdTe量子点对鲁米诺-过氧化氢化学发光体系具有显著的增敏作用
而对苯二酚对该体系的化学发光有强烈的抑制作用
以此建立了流动注射化学发光检测对苯二酚的新方法。在优化实验条件下
在1.0~25nmol·L
-1
范围内对苯二酚的浓度与化学发光强度的抑制值Δ
I
呈良好的线性关系(
R
2
=0.9932)
检出限为0.76nmol·L
-1
经实际应用证明
该方法可用于水环境中对苯二酚的测定。此外
对CdTe量子点增敏鲁米诺-过氧化氢化学发光体系的机理进行了探讨。
Based on the phenomenon that hydroquinone can obviously inhibit the CL signal of the luminol-H
2
O
2
system sensitized by CdTe QDs in basic medium
a novel flow-injection chemiluminescence method for the determination of hydroquinone has been developed. Under the optimum conditions
the linear range for the determination of hydroquinone was 1.0~25 nmol·L
-1
with a detection limit of 0.76 nmol·L
-1
calculated as proposed by IUPAC and a relative standard deviation of 2.56% for 11 solutions of 4.0 nmol·L
-1
hydroquinone. The proposed method can be used to determine hydroquinone content in water samples from the environment and satisfactory results were obtained without interferences from the sample matrix. Furthermore
the possible enhancement mechanism of CdTe QDs on luminol-H
2
O
2
CL was further investigated.
对苯二酚碲化镉量子点环境检测化学发光
HydroquinoneCdTequantum dotsenvironmental detectionchemiluminescence
Wang J, Liu G D, Merkoci A. Electrochemical coding technology for simultaneous detection of multiple DNA targets [J]. J. Am. Chem. Soc., 2003, 125(11):3214-3215.
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Wang S H, Du L Y, Wei X T, et al. FI-chemiluminescence determination of hydroquinone in river water [J]. Phys. Test. Chem. Anal. B (理化检验-化学分册), 2007, 43(3):193-195 (in Chinese).
Sirajuddin M, Iqbal B, Abdul N, et al. Ultra-trace level determination of hydroquinone in waste photographic solutions by UV-Vis spectrophotometry [J]. Talanta, 2007, 72(2):546-553.
Lin C H, Shen J Y, Wu H L, et al. Determination of hydroquinone in cosmetic emulsion using microdialysis sampling coupled with high-performance liquid chromatography [J]. J. Pharm. Biomed. Anal., 2005, 38(3):414-419.
Bielicka-Daszkiewicz K, Debicka M, Voelkel A. Comparison of three derivatization ways in the separation of phenol and hydroquinone from water samples [J]. J. Chromatogr. A, 2004, 1052(1/2):233-236.
Kong B, Yin T J, Liu X Y. Voltammetric determination of hydroquinone using beta-cyclodextrin/poly (N-acetylaniline)/carbon nanotube composite modified glassy carbon electrode [J]. Anal. Lett., 2007, 40(11):2141-2150.
Peng J, Gao Z N. Influence of micelles on the electrochemical behaviors of catechol and hydroquinone and their simultaneous determination [J]. Anal. Bioanal. Chem., 2006, 384(7/8):1525-1532.
Qi H L, Zhang C X. Simultaneous determination of hydroquinone and catechol at a glassy carbon electrode modified with multiwall carbon nanotubes [J]. Electroanalysis, 2005, 17(10):832-838.
Pisronesi M F, Dinezio M S, Centurion M, et al. Determination of phenol, resorcinol and hydroquinone in air samples by synchronous fluorescence using partial least-squares (PLS) [J]. Talanta, 2006, 69(5):1265-1268.
Gomez Taylor C B, Icardo M C, Zamora L L, et al. A tandem-flow assembly for the chemiluminometric determination of hydroquinone [J]. Talanta, 2004, 64(3):618-625.
Yan Y X, Mu Y, Feng G D, et al. Novel strategy for synthesis of high quality CdTe nanocrystals in aqueous solution [J]. Chem. Res. Chin. Univ.(高等学校化学学报), 2008, 24(1):8-14 (in Chinese).
Guo C, Gao G Y, Ding X J, et al. Determination of diethylstilbestrol in milk with the enhanced chemiluminescence system of luminal-K3Fe(CN)6 by using of ZnSe quantum-dots [J]. Chin. J. Lumin.(发光学报), 2012, 33(7):796-801 (in Chinese).
Gao G Y, Liu L, Fu X, et al. Flurescence resonance energy transfer between CdTe QDs and rhodamine B with its application in the determination of lysozyme [J]. Chin. J. Lumin.(发光学报), 2012, 33(8):911-915 (in Chinese).
Duan C F, Cui H, Zhang Z F, et al. Size-dependent inhibition and enhancement by gold nanoparticles of luminol-ferricyanide chemiluminescence [J]. J. Phys. Chem. C, 2007, 111(12):4561-4566.
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