Phenylalanine

The graph shows the SERS spectrum of 10^-3 M, pH = 11, Phenylalanine on Premium-Silver substrates.

Laser wavelength: 785 nm
Laser power: 30mW
Integration time: 9 seconds
Raman Spectrometer: B&WTEK
Lens magnification: 50x
Sampling method: immersion
Substrate used: Premium-Silver hydrophilic (interchangeably, you can use one of our substrates)