From Nutrient to Nanocarrier: The Multifaceted Role of Vitamin B12 in Drug Delivery. - Kuldyushev, Nikita A.; Simonenko, Sergey Y.; Goreninskii, Semen I.; Pallaeva, Tatiana N.; Zamyatnin Jr., Andrey A.; Parodi, Alessandro (International Journal of Molecular Sciences, 2025)