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Title: Black Phosphorus Nanoparticle Labels for Immunoassays via Hydrogen Evolution Reaction Mediation
Authors: Mayorga-Martinez, Carmen Clotilde
Mohamad Latiff, Naziah
Eng, Alex Yong Sheng
Sofer, Zdeněk
Pumera, Martin
Keywords: Nanoparticles
Competitive immunoassay
Issue Date: 2016
Source: Mayorga-Martinez, C. C., Mohamad Latiff, N., Eng, A. Y. S., Sofer, Z., & Pumera, M. (2016). Black Phosphorus Nanoparticle Labels for Immunoassays via Hydrogen Evolution Reaction Mediation. Analytical Chemistry, 88(20), 10074-10079.
Series/Report no.: Analytical Chemistry
Abstract: Black phosphorus is an emerging layered material. Its nanoparticles show an increased bandgap when compared to bulk materials and they are typically fabricated by ultrasonication of macroscopic black phosphorus crystals. Here we fabricate black phosphorus nanoparticles (BP NPs) by solution based electrochemical exfoliation with bipolar electrodes, which induces opposite potentials on the opposite ends of black phosphorus macroparticles thereby leading to its decomposition into nanoparticles. BP NPs have enhanced catalytic effect on the hydrogen evolution reaction (HER) relative to black phosphorus macroparticles. We utilize black phosphorus nanoparticles as electrocatalytic tags in a competitive immunoassay for rabbit immunoglobulin G (IgG) detection. The detection signal is produced via nanoimpacts of the BP NPs followed by HER catalysis.
ISSN: 0003-2700
DOI: 10.1021/acs.analchem.6b02422
Schools: School of Physical and Mathematical Sciences 
Rights: © 2016 American Chemical Society
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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