10.1038/s41392-023-01503-7 230 WangX.YangJ.LiH.MuH.ZengL.CaiS.et al (2023a)
Testosterone declines gradually starting in the late 20s and continues through menopause
A critical problem faced by the researchers during using this technique is that some amino acids, i.e., histidine, cysteine, and tryptophan, may be gradually leached from the stationary phase due to the weakness of interaction with IDA
This is known as iron-deficiency anemia, the most common type of anemia
This brings us to the concept of bioavailability
References Jackson DA, Symons RH, Berg P: Biochemical method for inserting new genetic information into DNA of simian virus 40: circular SV40 DNA molecules containing lambda phage genes and the galactose operon of Escherichia coli