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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2021.1871661
|2 doi
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|a pubmed24n1066.xml
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|a (DE-627)NLM319920143
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|a (NLM)33428535
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Danyang
|e verfasserin
|4 aut
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|a A simple electrochemiluminesecence aptasenor using a GCE/NCQDs/aptamers for detection of Pb
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 02.06.2022
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|a Date Revised 02.06.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a An electrochemiluminescence (ECL) aptasensor was prepared to detect Pb2+ with nitrogen-doped carbon quantum dots (NCQDs) as ECL materials. To prepare the working electrode, NCQDs with carboxyl groups were loaded on a glassy carbon electrode (GCE) and then Pb2+ aptamers were covalently bound to the NCQDs to form a stable GCE/NCQDs/aptamers. On addition of Pb2+, the chain aptamers change to a pb2+ G-quadruplex conformation, which lead to a large decrease in the ECL intensity. The variation of intensity and the logarithm of the Pb2+ concentration had a good linear relationship (R2 = 0.998). The detection range was wide (50 pM to 387.9 nM) with a low detection limit (18.9 pM). In interference experiments, the ECL Pb2+ aptasensor did not suffer from interference and it had good stability. The NCQDs ECL aptasensor can detect Pb2+ quickly and accurately, and provides a fast and efficient method for detection of Pb2+. Compared with literatures, the Pb2+ aptasensor has simpler preparation process, lower cost; furthermore, it is more environmentally friendly
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|a Journal Article
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|a Nitrogen-doped carbon quantum dot
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|a Pb2+
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|a aptamer
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|a aptasensor
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|a electrochemiluminescence
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|a Aptamers, Nucleotide
|2 NLM
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| 650 |
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|a Lead
|2 NLM
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| 650 |
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|a 2P299V784P
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Chen, Chi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Xuefei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Changxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wensheng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 43(2022), 15 vom: 01. Juni, Seite 2270-2277
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:43
|g year:2022
|g number:15
|g day:01
|g month:06
|g pages:2270-2277
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|u http://dx.doi.org/10.1080/09593330.2021.1871661
|3 Volltext
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|d 43
|j 2022
|e 15
|b 01
|c 06
|h 2270-2277
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