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. 2016 Jul 13;6:29746. doi: 10.1038/srep29746

Table 2. Luminescence lifetime values of as-synthesized NaYF4:Tm3+,Yb3+ NPs and loaded in nanocapsules with synthetic or natural polyelectrolyte shell prepared by LbL approach.

System Composition/PE bilayer type CNPs(mg/ml) LT 480 nm [μs] LT 800 nm [μs]
NPs   τ1 = 122.1 τ1 = 121.0
NaYF4:Tm3+,Yb3+ τ2 = 307.0 τ2 = 454.7
1a C12(DAPACl)2/Pol 403/SO/water (PSS/PDADMAC) 403/SO/water 0.4 τ1 = 157.4 τ1 = 140.7
1b 0.9 τ1 = 158.5 τ1 = 141.7
1c 1.5 τ1 = 157.5 τ1 = 145.3
2a C12(DAPACl)2/Pol 403/SO/water (DEX/CHIT) 403/SO/water 0.4 τ1 = 157.5 τ1 = 141.8
2b 0.9 τ1 = 159.0 τ1 = 144.3
2c 1.5 τ1 = 160.0 τ1 = 143.8