This, in turn, can lead to infections, acne, and other skin problems. If you want an efficient routine, these step-by-step instructions will teach you how to clean makeup brushes in less than five minutes: 1. Turn on your faucet and let the water run until it is warm.
protein-bound iodine test (PBI). Blood test to measure the concentration of thyroxine (T4) circulating in the bloodstream. The iodine becomes bound to theprotein in the blood and can be measured. Useful in extablishing thyroid function.
The thyroid contains two hormones, L-thyroxine (tetraiodothyronine, T4) and L-triiodothyronine (T3) (Figure 2-1, below). Iodine is an indispensable component of the thyroid hormones, comprising 65% of T4âs weight, and 58% of T3âs.