Semi-quantification of surface-enhanced Raman scattering using a handheld Raman spectrometer: a feasibility study

Area of Science:

• Analytical Chemistry
• Spectroscopy
• Environmental Science

Background:

• Surface-enhanced Raman scattering (SERS) offers high sensitivity for detecting trace analytes.
• Handheld spectrometers provide potential for portable, on-site chemical analysis.
• Pesticide detection is crucial for environmental and food safety.

Purpose of the Study:

• To evaluate the feasibility of using a handheld Raman spectrometer for SERS detection of the pesticide ferbam.
• To develop a simplified method for semi-quantifying ferbam risk levels.
• To demonstrate the utility of handheld Raman spectroscopy for on-site trace analyte analysis.

Main Methods:

• Utilized a handheld Raman spectrometer.
• Employed surface-enhanced Raman scattering (SERS) techniques.
• Developed a layman's "answer box" for risk level assessment.

Main Results:

• Demonstrated the feasibility of SERS detection of ferbam with a handheld Raman spectrometer.
• Successfully established a semi-quantitative risk assessment method for ferbam.
• Showcased the instrument's capability for on-site analysis of trace analytes.

Conclusions:

• Handheld Raman spectrometers are viable tools for SERS-based detection of pesticides like ferbam.
• The developed method enables practical, on-site risk assessment of ferbam.
• This advancement broadens the application of portable spectroscopic devices for environmental monitoring.