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Understanding Drug Absorption Challenges The Bioavailability Problem Bioavailability is the proportion of a drug or nutrient that enters systemic circulation and becomes available at the site of action

Before measurement, each sample was preheated to 310 K corresponding to the temperature during acquisition

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The percentage of total apoptotic cells was calculated

We also assessed TFR1 expression as an important iron import mechanism to determine whether it may potentially be involved in disrupted cell iron homeostasis as part of ferroptosis, but we found no difference in the expression of TFR1 upon FAC and erastin treatment in either C38 or IB3-1 cells (Additional file 1: Fig

Possible side effects include injection-site irritation, headaches, fluid shifts, and hormonal changes