plasma bound iodine

例句：

1. 1. Theresearchers found that the plasma-bound iodine levels in the patient's blood were significantly lower than normal.
   研究人员发现，患者血液中的等离子体结合碘水平显著低于正常。
2. 2. The plasma-bound iodine concentration is an important factor in determining the effectiveness of iodine treatment.
   血浆结合碘浓度是决定碘治疗有效性的重要因素。
3. 3. The study also found that plasma-bound iodine levels can be affected by factors such as diet and stress.
   该研究还发现，血浆结合碘水平可以受到饮食和压力等因素的影响。