CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Size-Dependent Programming of the Dynamic Range of Graphene Oxide-DNA Interaction-Based Ion Sensors
Zhang, H; Jia, SS; Lv, M; Shi, JY; Zuo, XL; Su, S; Wang, LH; Huang, W; Fan, CH; Huang, Q; huangqing@sinap.ac.cn
2014
Source PublicationANALYTICAL CHEMISTRY
ISSN0003-2700
Volume86Issue:8Pages:4047—4051
AbstractGraphene oxide (GO) is widely used in biosensors and bioimaging because of its high quenching efficiency, facile chemical conjugation, unique amphiphile property, and low cost for preparation. However, the nanometer size effect of GO on GO-DNA interaction has long been ignored and remains unknown. Here we examined the nanometer size effect of GO on GO-DNA interactions. We concluded that GO of similar to 200 nm (lateral nanometer size) possessed the highest fluorescence quenching efficiency whereas GO of similar to 40 nm demonstrated much weaker ability to quench the fluorescence. We employed the nanometer size effect of GO to program the dynamic ranges and sensitivity of mercury sensors. Three dynamic ranges (1 to 40 nM, 1 to 15 nM, and 0.1 to 5 nM) were obtained with this size modulation. The sensitivity (slope of titration curve) was programmed from 15.3 +/- 1.27 nM(-1) to 106.2 +/- 3.96 nM(-1).
KeywordCatalytic-activity Kinase-activity Quantum Dots Nanocrystals Surface Nanoparticles Transition Inhibition Biosensors Platform
Indexed BySCI
Language英语
WOS IDWOS:000334658000053
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14401
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorhuangqing@sinap.ac.cn
Recommended Citation
GB/T 7714
Zhang, H,Jia, SS,Lv, M,et al. Size-Dependent Programming of the Dynamic Range of Graphene Oxide-DNA Interaction-Based Ion Sensors[J]. ANALYTICAL CHEMISTRY,2014,86(8):4047—4051.
APA Zhang, H.,Jia, SS.,Lv, M.,Shi, JY.,Zuo, XL.,...&huangqing@sinap.ac.cn.(2014).Size-Dependent Programming of the Dynamic Range of Graphene Oxide-DNA Interaction-Based Ion Sensors.ANALYTICAL CHEMISTRY,86(8),4047—4051.
MLA Zhang, H,et al."Size-Dependent Programming of the Dynamic Range of Graphene Oxide-DNA Interaction-Based Ion Sensors".ANALYTICAL CHEMISTRY 86.8(2014):4047—4051.
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