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Open AccessMicrofluidic Device Directly Fabricated on Screen-Printed Electrodes for Ultrasensitive Electrochemical Sensing of PSA
How to fabricate scale low-cost microfluidic device for detection of biomarkers owns a great requirement. Herein, it is for the first time reported that a new microfluidic device based on bonding polydimethyls...
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Article
Carbon-covered Fe3O4 hollow cubic hierarchical porous composite as the anode material for lithium-ion batteries
In this work, Prussian blue nanocrystals, a kind of cubic metal-organic frameworks, was firstly covered by a uniform layer of resorcinol-formaldehyde (RF) resin, and then followed with heat treatment at differ...
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Article
Direct electrochemistry of GOD on nitrogen-doped porous carbon and its biosensing
Nitrogen-doped porous carbon (N-DPC) was prepared via a simple and effective method and was characterized by X-ray photoelectron spectroscopy, energy dispersive X-ray spectroscopy, N2 adsorption–desorption isothe...
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Article
Open AccessCapillary-driven surface-enhanced Raman scattering (SERS)-based microfluidic chip for abrin detection
Herein, we firstly demonstrate the design and the proof-of-concept use of a capillary-driven surface-enhanced Raman scattering (SERS)-based microfluidic chip for abrin detection. The micropillar array substrat...
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Article
Lanthanide-functionalized silver nanoparticles for detection of an anthrax biomarker and test paper fabrication
It is highly desirable to develop a simple and sensitive analytical method for detection of anthrax biomarker (dipicolinic acid, DPA) because of its dangerous nature. In this work, we developed a fluorescent s...
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Article
Open AccessSelf-assembly of gold nanoparticles to silver microspheres as highly efficient 3D SERS substrates
Herein we report a simple, one-pot, surfactant-free synthesis of 3D Ag microspheres (AgMSs) in aqueous phase at room temperature. The 3D AgMSs act as supports to fix the gold nanoparticles (GNPs) in 3D space v...