Two-step centrifugation method for subpicomolar surface-enhanced Raman scattering detection

Y Shi, W Liu, C Chen - Analytical chemistry, 2016 - ACS Publications
The potentiality of surface-enhanced Raman scattering (SERS) to detect ultralow
concentrations of analyte has attracted much attention in detection of trace components in …

Quantitative detection of nanomolar drug using surface-enhanced Raman scattering combined with internal standard method and two-step centrifugation method

P Guo, W Zeng, S Tian, H Chen, W Liu, C Chen - Microchemical Journal, 2020 - Elsevier
Quantitative detection for nanomolar analytes is a challenge for surface-enhanced Raman
scattering (SERS). In this report, a SERS method which combined with an internal standard …

Label-free therapeutic drug monitoring in human serum by the 3-step surface enhanced Raman spectroscopy and multivariate analysis

Y Wang, C Yu, H Ji, Z Liu, X Wang, Y Ji, X Sun… - Chemical Engineering …, 2023 - Elsevier
Surface enhanced Raman spectroscopy (SERS) is widely used in drug molecular detection.
However, SERS detections of drug molecules in serum with high sensitivity and …

Background-free quantitative surface enhanced Raman spectroscopy analysis using core–shell nanoparticles with an inherent internal standard

M Li, JY Wang, QQ Chen, LH Lin… - Analytical …, 2019 - ACS Publications
Surface enhanced Raman spectroscopy (SERS) is an ultrasensitive label-free analytical
technique that can provide unique chemical and structural fingerprint information. However …

Design considerations for SERS detection in colloidal solution: reduce spectral intensity fluctuation

Q Zhang, Y Yuan, C Wang, Z Zhou, L Li… - Journal of Raman …, 2016 - Wiley Online Library
The intensity fluctuation of surface‐enhanced Raman scattering (SERS) has seriously
hampered its practical applications. The previous studies that involved SERS intensity …

Influence of droplet drying configuration on surface-enhanced Raman scattering performance

E Avci, M Culha - RSC advances, 2013 - pubs.rsc.org
When colloidal noble metal nanoparticles are used as substrates for surface-enhanced
Raman scattering (SERS), they are simply mixed with an analyte and a small volume is …

Surface-enhanced Raman scattering induced by the coupling of the guided mode with localized surface plasmon resonances

S Wu, Y Shen, C Jin - Nanoscale, 2019 - pubs.rsc.org
Surface-enhanced Raman spectroscopy (SERS) is considered to be a powerful analysis tool
for the detection of molecules due to its ultra-high sensitivity and non-destructive nature …

A SERS method with attomolar sensitivity: a case study with the flavonoid catechin

CC Huang, W Chen - Microchimica Acta, 2018 - Springer
Making good use of interactions between analyte molecules and the metal nanoparticles is
key to impact the detection limit in a surface-enhanced Raman scattering (SERS) based …

Quantitative surface enhanced Raman scattering detection based on the “sandwich” structure substrate

J Zhang, S Qu, L Zhang, A Tang, Z Wang - Spectrochimica Acta Part A …, 2011 - Elsevier
A sandwich structured substrate was designed for quantitative molecular detection using
surface enhanced Raman scattering (SERS), in which the probe molecule was sandwiched …

Ultrasensitive and reproducible surface-enhanced Raman scattering detection via an optimized adsorption process and filter-based substrate

X Wang, R Zong, S Shi, Y Zhu - Analytical Methods, 2014 - pubs.rsc.org
Wih a view to improve the surface-enhanced Raman scattering (SERS) properties, including
the sensitivity and uniformity, a simple and practical pretreatment method via optimizing the …