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. Author manuscript; available in PMC: 2022 Mar 23.
Published in final edited form as: ACS Nano. 2021 Feb 23;15(3):4321–4334. doi: 10.1021/acsnano.0c07478

Table 5.

Results of Ps Continuum Lifetime Fitting for Four Deproteinized Treatmentsa

deproteinized sample mean lifetime τmean (ns) X(τmean) (nm) Xmean (plate spacing) (nm)
deproteinized 1 101.9 ± 0.2 4.88 ± 0.03 5.38 ± 0.03
deproteinized 2 106.3 ± 0.2 5.52 ± 0.03 6.00 ± 0.03
deproteinized 3 100.6 ± 0.2 4.72 ± 0.03 5.14 ± 0.025
deproteinized 4 99.7 ± 0.2 4.61 ± 0.03 4.95 ± 0.02
deproteinized 4b 100.5 ± 0.2 4.70 ± 0.03 5.02 ± 0.03
a

The mean Ps lifetime of the distribution is shown along with the deduced value of X(τmean) using the infinite plate model. The correctly averaged spacing, Xmean, is shown in bold.

b

Repeated PALS experiment with the same sample.