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. Author manuscript; available in PMC: 2020 Jun 15.
Published in final edited form as: Bioenergy Res. 2019 Mar 8;12:409–418. doi: 10.1007/s12155-019-09966-9

Fig. 2.

Fig. 2

Impact of gold nanoparticles (AuNPs) on (a) chlorophyll a (chla), (b) phycocyanin (PC), (c) allophycocyanin (AP), (d) phycoerythrin (PE), and (e) carotenoid accumulation in Fremyella diplosiphon wild type (Fd33) and halotolerant strain (HSF33–2). Treatments are as follows: wild type (W) Fd33 in the absence of AuNPs (WC) and in solution with 200 nm AuNP (W200); halotolerant (H) HSF33–2 in the absence of AuNPs (HC) and in solution with 200 nm AuNP (H200). Bars indicate average pigment accumulation (± standard error) for three biological replicates of each treatment. Different letters above bars denote significance among treatment means within each strain (p < 0.05).