New Raman SERS Analysis Package
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The SERS technique works to intensify the sensitivity level of the Raman
method, facilitating the analysis of extremely small, low concentration
samples. This technique results in improved sensitivity, accuracy and
efficiency in a range of biological and diagnostic analyses. The SERS
effect functions when an analyte closely interacts with a prepared metal
surface. When this occurs the Raman excitation laser generates surface
plasmons along the surface of the metal. As a consequence of the surface
plasmons interacting with the analyte, the Raman emission is
significantly increased.
SERS is an increasingly relevant
technique in the fields of biochemistry, forensics, food safety, threat
detection and clinical research. Samples that have been examined using
SERS include bacteria on food, trace evidence from crime scenes,
research on cellular materials and blood glucose.
The DXR/SERS
Analysis Package is a complete kit for SERS analysis, integrating the
full range of Thermo Scientific DXR Raman instrumentation, software,
sampling accessories, SERS substrates and instructions. The package
features a range of proven SERS substrates, avoiding the problem of
time-consuming and expensive substrate development. Additionally, the
package offers precision laser power control to help users avoid sample
damage or detector saturation. Interchangeable lasers can also be used
for substrates that demand different wavelengths alongside a
verification solution which allows the user to easily check the validity
and performance of substrates.
“Since revolutionizing the Raman
spectroscopy market with the introduction of the Thermo Scientific DXR
Raman platform in 2008, we have continued in our efforts to make the
Raman technique accessible for non-specialist users,” said Mike Jost,
vice president and general manager of molecular spectroscopy and
microanalysis for Thermo Fisher Scientific. “The addition of the SERS
solution to our range of complete analysis packages helps increase the
reach of this powerful technique.”
