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Neurosci Lett 434:6670 Hori T, Fukao T, Kobayashi H, Teramoto T, Takayanagi M et al (2010) Carnitine palmitoyltransferase 2 deficiency: the time-course of blood and urinary acylcarnitine levels during initial L-carnitine supplementation
After incubation, the wells washed with pre-warmed RPMI 1640 (x3) and 200 l of RPMI 1640 medium added into each well, before a further 24 h incubation (20 rpm rocking, 37C)
But since your injection bypasses the gut, that particular interaction is not an issue for the injection itself
The studies documenting hair-relevant effects DPC proliferation, follicle elongation, stem cell recovery used direct tissue contact, which topical application most closely replicates