Bovine Serum Albumin (BSA)

Bovine Serum Albumin (BSA or “Fraction V”) is a serum albumin protein derived from cows. It is often used as a protein concentration standard in lab experiments. (From Wikipedia, read more)

The graph shows the SERS spectrum of 1 mg/ml, BSA on S-AgAu substrates.

Laser wavelength: 785 nm
Laser power: 19 mW
Integration time: 4 seconds
Raman Spectrometer: B&WTEK
Lens magnification: 50x
Sampling method: immersion
The substrate used: Premium-Silver hydrophilic (interchangeably, you can use one of our substrates)