IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Multifunctional ratiometric fluorescent sensing platform constructed by grafting various response groups on carbon dots with bromine active site for biosensing and bioimaging
Zou, Guang-Yue1; Guo, Lan1; Chen, Shuai1; Liu, Na-Zhen2; Yu, Yong-Liang1
2022-04-15
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
Volume357Pages:10
Corresponding AuthorChen, Shuai(chenshuai@mail.neu.edu.cn) ; Liu, Na-Zhen(liunazhen@qdio.ac.cn)
AbstractMultifunctional sensing platform with the advantages of simplicity, convenience and efficiency is critical to the improvement of application in biosensing and bioimaging. However, the lack of easily modified scaffold materials seriously hinders its various responsive sensing development. To solve this issue, a novel kind of carbon dots (namely rCDs) with easily modified bromine substitution site was developed by one-step solvothermal treatment of citric acid, ethylenediamine and 4-bromo-1,8-naphthalic anhydride. Benefiting from the maintained structure of naphthalimide structure with bromine substitution site to contribute responsive yellow-green fluorescence emission and the stable blue fluorescence emission from citric acid and ethylenediamine, dual emissive ratiometric sensors based on rCDs could be conveniently fabricated by avoiding the combination of two components with distinct emission wavelength together. As proof, three ratiometric fluorescent probes for sensing formaldehyde (rCDs-FA), HSO3- (rCDs-HSO3-) and pH (rCDs-pH) featuring high stability, selectivity and biocompatibility were simply prepared. Moreover, the as-obtained probes were successfully applied to monitor dynamic variations of formaldehyde, HSO3- and pH changes in living cells. Taken together, the established multifunctional ratiometric fluorescent sensing platform could be simply and effectively regulated through changing the grafted response groups. This work would provide a universal method to design more biosensing or bioimaging platforms by adjusting response groups in the future.
KeywordCarbon dots Ratiometric fluorescence sensing Cell imaging Formaldehyde HSO3- pH
DOI10.1016/j.snb.2022.131376
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[21922402] ; National Natural Science Foundation of China[21874017] ; National Natural Science Foundation of China[21727811] ; Fundamental Research Funds for the Central Universities[N2005027]
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000744545000006
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177724
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorChen, Shuai; Liu, Na-Zhen
Affiliation1.Northeastern Univ, Coll Sci, Res Ctr Analyt Sci, Dept Chem, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zou, Guang-Yue,Guo, Lan,Chen, Shuai,et al. Multifunctional ratiometric fluorescent sensing platform constructed by grafting various response groups on carbon dots with bromine active site for biosensing and bioimaging[J]. SENSORS AND ACTUATORS B-CHEMICAL,2022,357:10.
APA Zou, Guang-Yue,Guo, Lan,Chen, Shuai,Liu, Na-Zhen,&Yu, Yong-Liang.(2022).Multifunctional ratiometric fluorescent sensing platform constructed by grafting various response groups on carbon dots with bromine active site for biosensing and bioimaging.SENSORS AND ACTUATORS B-CHEMICAL,357,10.
MLA Zou, Guang-Yue,et al."Multifunctional ratiometric fluorescent sensing platform constructed by grafting various response groups on carbon dots with bromine active site for biosensing and bioimaging".SENSORS AND ACTUATORS B-CHEMICAL 357(2022):10.
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