Identification Of Fungicide Thiram Using SERS

Introduction

Fungicides are used for high productivity in farming
Retained fungicides in soil/water is harmful
Existing detection methods are time consuming and sophisticated
Surface-enhanced Raman spectroscopy (SERS) – high sensitivity, short detection time and nondestructive detection
In the current study, Thiram has been detected using SERS with 10³ enhancement

Experimental Condition

Raman Spectrometer:
Model: IndiRAM P785_Tracer
Laser excitation source

• Wavelength: 785 nm
• Power: 360 mW

Exposure time: 5 sec
No of Acquisition: 5
SERS: Liquid SERS

Results and Discussion

SERS shown enhanced Raman Signal
Detected minimum of 0.1 µM of Thiram on varying Concentration

Conclusion

The vibration modes of Thiram were quickly identiﬁed by using SERS Technique.

Reference

[1] T.C. Dao, T.Q.N. Luong, T.A. Cao, N.M. Kieu, Advances in Natural Sciences: Nanoscience and Nanotechnology, 10 (2019) 025012.

[2] H. Pu, Z. Huang, F. Xu, D.-W. Sun, Food Chemistry, 343 (2021) 128548.

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