Magnetic nanoparticle mediated enhancement of localized surface plasmon resonance for ultrasensitive bioanalytical assay in human blood plasma

L Tang, J Casas, M Venkataramasubramani - Analytical chemistry, 2013 - ACS Publications
assay, showing an improved linear relationship between the cTnI concentrations and the
LSPR shift resulting from specific binding of … nanoparticle results in signal amplification of the …

Sensitive detection of transcription factors by isothermal exponential amplification-based colorimetric assay

Y Zhang, J Hu, C Zhang - Analytical chemistry, 2012 - ACS Publications
… of suitable approaches for signal amplification. Although the … a modest shift in the surface
plasmon band from 520 to 525 … to CTC in the sense strand of specific binding site of NF-κB p50 (…

Dual nanoparticle amplified surface plasmon resonance detection of thrombin at subattomolar concentrations

SH Baek, AW Wark, HJ Lee - Analytical chemistry, 2014 - ACS Publications
… is our approach requires a sandwich assay where at least one of … specific binding of an A
30 DNA functionalized nanoparticle. … In Figure 3a, the signal amplification associated with the …

Photoelectrochemical determination of Hg (II) via dual signal amplification involving SPR enhancement and a folding-based DNA probe

Y Shi, G Zhang, J Li, Y Zhang, Y Yu, Q Wei - Microchimica Acta, 2017 - Springer
… The first enhancement results from the surface plasmon … response originated from specific
binding, the photoelectric response … PEC assay for Hg(II) ions detection based on a dual signal

Ultrasensitive detection of bacterial protein toxins on patterned microarray via surface plasmon resonance imaging with signal amplification by conjugate nanoparticle …

A Lambert, Z Yang, W Cheng, Z Lu, Y Liu… - ACS sensors, 2018 - ACS Publications
… with substantial specific binding signal (1.48, Figure 3a). … We report here a novel SPR signal
amplification strategy for … This is followed by SPR signal amplification by two consecutive …

Nanotechnology‐Based Surface Plasmon Resonance Affinity Biosensors for In Vitro Diagnostics

R Antiochia, P Bollella, G Favero… - International journal of …, 2016 - Wiley Online Library
amplification reagent for SPR-based sandwich assays. The … and AuNPs plasmonic effect
results in a signal amplification … instead of antibodies for the specific binding of proteins. Even …

DNA-mediated homogeneous binding assays for nucleic acids and proteins

H Zhang, F Li, B Dever, XF Li, XC Le - Chemical reviews, 2013 - ACS Publications
assays incorporating signal amplification. In particular, this review focuses on homogeneous
binding assays, … developed to enhance the specific binding between microRNA and DNA …

Codeine-binding RNA aptamers and rapid determination of their binding constants using a direct coupling surface plasmon resonance assay

MN Win, JS Klein, CD Smolke - Nucleic acids research, 2006 - academic.oup.com
… The DNA pool from cycle 15 was amplified by PCR and cloned into a plasmid using the …
the aptamer by eliminating potential non-specific binding between the nucleic acid aptamer and …

Convenient construction of orthogonal dual aptamer-based plasmonic immunosandwich assay for probing protein disease markers in complex samples and living …

Y Ma, X Li, J Liu, W Li, Z Liu - ACS sensors, 2020 - ACS Publications
plasmonic immunosandwich assay (PISA). (8) The detection in BASA relied solely on the
SERS signal … on an additional signal enhancement because of the plasmonic coupling effect …

A nanoscale optical biosensor: sensitivity and selectivity of an approach based on the localized surface plasmon resonance spectroscopy of triangular silver …

AJ Haes, RP Van Duyne - Journal of the American Chemical …, 2002 - ACS Publications
… to demonstrate its response to the specific binding of another protein. … materials coupled to
the amplification of the LSPR … surface, three nonspecific binding tests were performed: (1) SA …