. 2020 Feb 29;20(5):1330. doi: 10.3390/s20051330

Table 1.

Emission maxima of fluorescence spectra of aromatic amino acids [21,37,42,43].

Analyte	Laser Excitation Wavelength (nm, ±1 nm)	Maximum Fluorescence Emission Wavelength (λ_max, nm, ±5 nm)	Reference
Tryptophan	280	350	[21,22,37,42,43]
Tryptophan	266	350
Tyrosine	275	300	[21,37,42]
Tyrosine	266	300
Phenylalanine	260	280	[42]
	266	280	[40]
	255	280	[21]