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. 2019 Feb 25;7:e6518. doi: 10.7717/peerj.6518

Figure 2. Effect of filtration and sonication on the spectra of aggregated Phe.

Figure 2

Excitation/emission spectra of the Phe aggregate sample: control (A), after filtration through a 0.22 µm pore size filter (B) or a 3 kDa concentrator (C) and after sonication (D). Ten nm excitation and five nm emission slits were used.