LAUSR

Aptamer-Modified Homogeneous Catalysts, Heterogenous Nanoparticle Catalysts, and Photocatalysts: Functional "Nucleoapzymes", "Aptananozymes", and "Photoaptazymes".

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2 Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202210885

Abstract: Conjugation of aptamers to homogeneous catalysts ("nucleoapzymes"), heterogeneous nanoparticle catalysts ("aptananozymes"), and photocatalysts ("photoaptazymes") yields superior catalytic/photocatalytic hybrid nanostructures emulating functions of native enzymes and photosystems. The concentration of the substrate in proximity to the… read more here.

Keywords: catalytic photocatalytic; aptamer modified; nanoparticle catalysts; aptamers conjugated ... See more keywords

Aptamer-modified pencil graphite electrodes for the impedimetric determination of ochratoxin A

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0 Published in 2020 at "Food Control"

DOI: 10.1016/j.foodcont.2020.107271

Abstract: Abstract Ochratoxin A (OTA), a widespread food contaminant, is considered as one of the most hazardous mycotoxins commonly occurring in beer. Herein, we describe a novel impedimetric aptasensor based on Pencil Graphite Electrodes (PGE) for… read more here.

Keywords: pencil graphite; aptamer modified; ochratoxin; graphite electrodes ... See more keywords

Molecular detection using aptamer-modified gold nanoparticles with an immobilized DNA brush for the prevention of non-specific aggregation

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0 Published in 2021 at "RSC Advances"

DOI: 10.1039/d0ra05149g

Abstract: We demonstrated molecular detection using aptamer-modified gold nanoparticles with DNA-brush for the prevention of non-specific aggregation and smartphone darkfield microscopy. read more here.

Keywords: aptamer modified; molecular detection; modified gold; detection using ... See more keywords

Aptamer-modified Zr-MOFs to construct nanocatalysts with engineered specificity toward paraoxon.

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2 Published in 2023 at "Chemical communications"

DOI: 10.1039/d3cc00163f

Abstract: Aptamer-modified Zr-MOFs (UiO-66-APT) were constructed as nanocatalysts for achieving specific hydrolysis of paraoxon. The conjunction mode of the aptamer on the Zr-MOFs affected the binding of the substrates with the catalytic sites, thus leading to… read more here.

Keywords: aptamer modified; construct nanocatalysts; mofs construct; nanocatalysts engineered ... See more keywords

An ultrasensitive electrochemical biosensor for bisphenol A based on aptamer-modified MrGO@AuNPs and ssDNA-functionalized AuNP@MBs synergistic amplification.

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1 Published in 2022 at "Chemosphere"

DOI: 10.2139/ssrn.4168568

Abstract: Bisphenol A (BPA) is a harmful endocrine disruptor, sensitive and rapid quantification of BPA is highly desirable. In this work, a novel synergistic signal-amplifying electrochemical biosensor was developed for BPA detection by using a recognition… read more here.

Keywords: ssdna; electrochemical biosensor; mrgo aunps; bpa ... See more keywords