Abstract
Iodine is a micronutrient of high importance for the health and good development of individuals. It is contained in many foods, but it is also part of the chemical component of oceans and soil. Its deficiency is still a problem of humanity, which has a serious repercussion on our health. It is therefore important to have specific, fast and cost effective methods of iodine detection from different samples. This work aims to identify optimal parameters for potassium iodide (KI) detection from different media, to be further applied to real samples: plant extracts, water, biological fluids. Results showed a significant difference in electrochemical results, depending on the pH values of the mixture and also on the time which influences the compounds stability. Differential pulse voltammetry and cyclic voltammetry using carbon printed sensors, as well as microsensors for redox status or direct iodide detection are important analytical tools which have a wide range of applications in the food, medicine, toxicology and other domains.
Highlights
Iodine is a micronutrient of high importance for the health and good development of individuals
Iodide from thyrostatic drugs, plays an important role in the protection of the thyroid gland against certain types of radiopharmaceuticals, because it modifies the kinetics of radioiodine in the thyroid and through this mechanism may have a radio protective effect
Differential pulse voltammetry, cyclic voltammetry and two techniques using electrochemical microsensors for selective iodide detection were used in these experiments
Summary
Iodine is a micronutrient of high importance for the health and good development of individuals. It is contained in many foods, but it is part of the chemical component of oceans and soil. Iodide from thyrostatic drugs, plays an important role in the protection of the thyroid gland against certain types of radiopharmaceuticals, because it modifies the kinetics of radioiodine in the thyroid and through this mechanism may have a radio protective effect. A pre-treatment with thyrostatic medication lowers the effective half-life and uptake of radioiodine [5] It can be used as food supplement for individuals with low iodine dietary intake and as treatment for hypothyroidism. Individuals need a controlled daily uptake of iodine to ensure an optimal level because there are many food products enriched with iodine, but their consumption should be balanced [6]
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