A novel composite of graphene quantum dots and molecularly imprinted polymer for fluorescent detection of paranitrophenol

Zhou, Ying; Qu, Zhi‐bei; Zeng, Yanbo; Zhou, Tianshu; Shi, Guoyue

doi:10.1016/j.bios.2013.09.022

Cited by 238 publications

(89 citation statements)

References 34 publications

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“…The other method is embedding fluorescent signal into MIPs and detecting analytes by fluorescence spectroscopy (Liu et al, 2011). Among the optical materials investigated, QDs Tan et al, 2013;Zhou et al, 2014;Zhang et al, 2015) and organic fluorescent compounds (Descalzo et al, 2013) are the most widely used fluorescent signal sources. Similarly, the process is rather laborious and time-consuming.…”

Section: Introductionmentioning

confidence: 99%

Molecular imprinting ratiometric fluorescence sensor for highly selective and sensitive detection of phycocyanin

Wang

Kang

et al. 2016

Biosensors and Bioelectronics

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a b s t r a c tA facile strategy was developed to prepare molecular imprinting ratiometric fluorescence sensor for highly selective and sensitive detection of phycocyanin (PC) based on fluorescence resonance energy transfer (FRET), via a sol-gel polymerization process using nitrobenzoxadiazole (NBD) as fluorescent signal source. The ratio of two fluorescence peak emission intensities of NBD and PC was utilized to determine the concentration of PC, which could effectively reduce the background interference and fluctuation of diverse conditions. As a result, this sensor obtained high sensitivity with a low detection limit of 0.14 nM within 6 min, and excellent recognition specificity for PC over its analogues with a high imprinting factor of 9.1. Furthermore, the sensor attained high recoveries in the range of 93.8-110.2% at three spiking levels of PC, with precisions below 4.7% in seawater and lake water samples. The developed sensor strategy demonstrated simplicity, reliability, rapidity, high selectivity and high sensitivity, proving to be a feasible way to develop high efficient fluorescence sensors and thus potentially applicable for ultratrace analysis of complicated matrices.

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Section: Introductionmentioning

confidence: 99%

Molecular imprinting ratiometric fluorescence sensor for highly selective and sensitive detection of phycocyanin

Wang

Kang

et al. 2016

Biosensors and Bioelectronics

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“…The most appropriate areas of application of such hybrid systems are the development of sensors systems [24][25][26] , highly luminiscent diodes, including white light-emitting ones 11,27,28 , light converter devices 12 , and display systems 29 .…”

Section: Discussionmentioning

confidence: 99%

Microstructure and Optical Properties of Composites Consisting of Nanoporous Stretched Polypropylene Doped with Liquid Crystals and Quantum Dots at a High Concentration

Mochalov¹,

Bobrovsky²,

Solovyeva³

et al. 2016

Orient. J. Chem

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Unique properties of nanohybrid composites based on different types of porous polymer matrices doped with fluorescent nanoparticles (quantum dots, QDs) are determined by the combination of the mechanical properties of the host matrix (flexibility, chemical stability, etc.) and a high luminescence intensity and extreme stability of QDs. Here, we report on the preparation, optical and microstructural characterization of a nanoporous stretched polypropylene matrix embedded with CdSe/ZnS QDs as fluorescent dopants at a high concentration. The microstructure and optical properties of two types films based on QD-polymer composites and liquid crystals are described. The distribution of QDs in the composite films and their morphology was determined. The annealing of the nanoporous composite films leads to shrinking of the pores and encapsulation of QDs, which results in a domain-like structure. The resulting flexible, stable and highly luminescent materials may be applied to obtain the highly luminescent diodes, the light converter devices and the display systems.

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“…170,[199][200][201][202][203][204] Liu et al prepared an optosensing platform based on a molecularly imprinted polymer incorporating quantum dots (QDs) and graphene oxide for highly selective and sensitive specic recognition of vitamin E (VE).…”

Section: 192mentioning

confidence: 99%

Chemical sensors based on polymer composites with carbon nanotubes and graphene: the role of the polymer

et al. 2014

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A novel composite of graphene quantum dots and molecularly imprinted polymer for fluorescent detection of paranitrophenol

Cited by 238 publications

References 34 publications

Molecular imprinting ratiometric fluorescence sensor for highly selective and sensitive detection of phycocyanin

Molecular imprinting ratiometric fluorescence sensor for highly selective and sensitive detection of phycocyanin

Microstructure and Optical Properties of Composites Consisting of Nanoporous Stretched Polypropylene Doped with Liquid Crystals and Quantum Dots at a High Concentration

Chemical sensors based on polymer composites with carbon nanotubes and graphene: the role of the polymer

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