References for Poly-L-Ornithine:
Chen, Eric YT, et al. "Activated charcoal composite biomaterial promotes human embryonic stem cell differentiation toward neuronal lineage." Journal of Biomedical Materials Research Part A 100.8 (2012): 2006-2017.
Boularaoui, Selwa Mokhtar, et al. "Efficient transdifferentiation of human dermal fibroblasts into skeletal muscle." Journal of tissue engineering and regenerative medicine 12.2 (2018): e918-e936.
Ergin, Ekin, et al. "Time-resolved fluorescence resonance energy transfer [TR-FRET] assays for biochemical processes." Current pharmaceutical biotechnology 17.14 (2016): 1222-1230.