Journal ArticleDOI
Gold nanoparticle-based signal amplification for biosensing.
Reads0
Chats0
TLDR
This article focuses on the signal amplification strategies of AuNPs in biosensing/biorecognition, more specifically, on the main optical and electrochemical detection methods that involve AuNP-based biosensing.About:
This article is published in Analytical Biochemistry.The article was published on 2011-10-01. It has received 335 citations till now.read more
Citations
More filters
Journal ArticleDOI
High-spatial and colourimetric imaging of histone modifications in single senescent cells using plasmonic nanoprobes.
TL;DR: In this article, a high-spatial and colourimetric imaging method using plasmonic nanoparticles as probes to visualize heterochromatin histone markers in a single nucleus was proposed.
Book ChapterDOI
Biosensors Based on Nanoparticles and Electrochemical Detection
TL;DR: This chapter describes recent advances in the field of AuNPs for sensing applications based on their unique physical properties and describes the influence of biomolecular recognition events occurring at the nanoparticle surface on the optical and/or electrical properties of the system allowing the development of more sensitive and flexible sensing systems.
Spectroelectrochemical Characterization Of Anti-Schistosoma-Gold Nanoparticle Conjugate For Use In Immunoassays
TL;DR: The optimization of the covalent binding of anti-schistosome antibody to AuNPs via a carbodiimide cross-linker demonstrated the potential for development of a point-of-care immunosensor for rapid diagnosis of Schistosomiasis.
Journal ArticleDOI
Point mutation in the TGFBI gene: surface-enhanced infrared absorption spectroscopy (SEIRAS) as an analytical method
D. Rosas-Vara,J. R. Molina-Contreras,F. J. Villalobos-Piña,Juan Carlos Zenteno,Beatriz Buentello-Volante,Oscar F. Chacon-Camacho,Raul Ayala-Ramirez,C. Frausto-Reyes,R. Hernández-Martínez,M. A. Ríos-Corripio +9 more
TL;DR: Genotyping results previously obtained by next-generation DNA sequencing technology were used to ensure that the analysed samples had the mutation and show highly reproducible signals, which could be used for analytical studies of mutations in the genome.
Dissertation
Sensor plasmônico baseado em nanopartículas de ouro para detecção de combustível adulterado
TL;DR: In this article, a sintese de nanoparticulas de ouro (AuNSs) was realizada utilizando o metodo descrito by Turkevich a qual consiste na uniao de um sal precursor of ouro com solucao de citrato de sodio, em um meio reacional em ebulicao sobrefluxo.
References
More filters
Book
Electrochemical Methods: Fundamentals and Applications
Allen J. Bard,Larry R. Faulkner +1 more
TL;DR: In this paper, the authors present a comprehensive overview of electrode processes and their application in the field of chemical simulation, including potential sweep and potential sweep methods, coupled homogeneous chemical reactions, double-layer structure and adsorption.
Journal ArticleDOI
Gold nanoparticles: assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology.
TL;DR: A review of gold nanoparticles can be found in this article, where the most stable metal nanoparticles, called gold colloids (AuNPs), have been used for catalysis and biology applications.
Journal ArticleDOI
A DNA-based Method for Rationally Assembling Nanoparticles Into Macroscopic Materials
TL;DR: A method for assembling colloidal gold nanoparticles rationally and reversibly into macroscopic aggregates by using the specificity of DNA interactions to direct the interactions between particles of different size and composition is described.
Journal ArticleDOI
Selective Colorimetric Detection of Polynucleotides Based on the Distance-Dependent Optical Properties of Gold Nanoparticles
TL;DR: A highly selective, colorimetric polynucleotide detection method based on mercaptoalkyloligonucleotide-modified gold nanoparticle probes is reported, which can detect about 10 femtomoles of an oligonucleotide.
Journal ArticleDOI
Nanostructures in Biodiagnostics
Nathaniel L. Rosi,Chad A. Mirkin +1 more
TL;DR: Nathaniel L. Rosi focuses on the rational assembly of DNA-modified nanostructures into larger-scale materials and their roles in biodiagnostic screening for nucleic acids.