Exact(6)
Other Lives is far from flawless – the expository dialogue count this week is high to intolerable, and those Vince Vaughn and Kelly Reilly two-handers continue to have a distinct Lifetime TV movie quality to them – but the case itself is unfurling nicely, with new avenues of enquiry opening up everywhere you look.
Positron lifetime spectra for all the samples give best fit for three distinct lifetime components.
In analyzing the PALS spectra, it was found that four distinct lifetime components gave the best fit for all studied samples.
It is well known that in a majority of nanostructurized systems, the PAL spectra typically yield three distinct lifetime components τ 1, τ 2, and τ 3 with I 1, I 2, and I 3 relative intensities (I 1 + I 2 + I 3 = 1) reflecting competitive input from positron and Ps-trapping channels [1,2].
From this, we resolve distinct lifetime signatures corresponding to dye-labelled HCV and quantum-dot-labelled HCMV nucleic acid targets at concentrations as low as 10 nM.
This contrast is confirmed by the fluorescence lifetime histogram (Fig. 5(c)), which shows these two distinct lifetime populations and confirms that the correct lifetime of ~2.5ns has been determined for GFP.
Similar(54)
These distinct lifetimes enable real-time quantitative mapping of the relative concentrations of dye in each population to obtain precise and accurate temporal information on the release profile of particular carrier/payload combinations.
For instance, it has been shown that NADH and FAD in their free and protein-bound conditions present distinct lifetimes [ 15].
NADH fluorescence decays are typically modeled as the sum of multiple (2 – 4) decaying exponentials, representing different enzyme-bound formulations, (i.e. species [ 19]), with distinct lifetimes.
First, the explicit inclusion of components with distinct lifetimes in the model is needed for an accurate prediction of the availability of end-of-life resources for recovery.
However, dentin and enamel exhibit distinct AF lifetime distributions, as presented in Fig. 2(B).
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