NDLI: Chemiluminescence of carbon dots induced by diperiodato-nicklate (IV) in alkaline solution and its application to a quenchometric flow-injection assays of paracetamol, L-cysteine and glutathione

Content Provider	Springer Nature Link
Author	Dong, Yajuan Su, Ming Chen, Peiyun Sun, Hanwen
Copyright Year	2014
Abstract	Aqueous solutions of carbon dots (C-dots) were prepared by microwave-assisted thermal carbonization of poly(ethylene glycol). They were investigated by transmission electron microscopy, absorption and fluorescence spectra. It is shown that diperiodato-nicklate(IV), a strong oxidant, induces the chemiluminescence (CL) of C-dots in strongly alkaline solution without use of an additional reagent. A mechanism for this reaction is suggested. It is also found that the CL of the system is quenched by paracetamol, L-cysteine and glutathione. Under the optimized conditions, the calibration plot is linear with a correlation coefficient (r) of >0.995. The limits of detection are 90, 8, and 60 µg L-1 for paracetamol, L-cysteine, and glutathione, respectively. Spiked urine and serum samples were analyzed and gave recoveries in the range from 84.38 to 116.0 %, with an RSD of 1.2–2.7 %. Graphical Abstract Use of diperiodato-nickelate(IV) induces the chemiluminescence of carbon dots in alkaline solution without use of an additional reagent. And using inhibitory effect of the target analyte on the CL achieved the determination of paracetamol, L-cysteine and glutathione.
Starting Page	1071
Ending Page	1077
Page Count	7
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	182
Issue Number	5-6
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2014-12-03
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon dots Diperiodato-nicklate(IV) Chemiluminescence mechanism Paracetamol L-cysteine Glutathione Biological liquid Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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