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they answer different research questions, and the choice is a design decision rather than a dosing one

In this two-tier screening approach, BBB-PAMPA was first employed to eliminate compounds with poor passive permeability, followed by MDR1-MDCK I to screen out P-gp efflux transporters' substrates

Enhancing cognitive function, skin health, and immune support Combined therapies may also support cognitive clarity, skin resilience, and immune responsiveness

These spectral signatures indicate the transition of assembly states from predominantly H-aggregate to J-aggregate packing 28 by photo-oxidation, which increases local polarity and reorganizes packing density (Supplementary Fig