Introduction: Nanodiamonds isolated from primitive meteorites contain isotopically ‘normal’ Xe-P3 and components enriched in heavy and light isotopes Xe-HL, exotic Xe-P6. Excesses of Xe from I decay are also observed [1]. We discuss these in the light of data obtained from size-separated Efremovka nanodiamond samples produced at the Vernadsky Institute, Moscow [2]. Results: Excess Xe is present...

I AM very much honoured by your invitation that I should deliver an oration in this valuable and distinguished series that has been established in memory and honour of the life of Robert Campbell, and I wish to speak of the clinical value of radioactive isotopes. In the year in which the Robert Campbell memorial orations were founded, Rutherford had already detected faint scintillations on the ...

There is no doubt that when potassium iodide (KI) is administered in a timely fashion, much of the potential exposure to radioactive iodine isotopes from an atmospheric release can be safely averted (1–3). The United States of America Food andDrug Administration (FDA) and theWorld Health Organization (WHO), among others, have established guidelines for the use of KI in these settings (4,5). Leg...

iodine is an essential trace element in the human diet. the following work presents the latest information concerned with iodine determination in raw milk, in iran. iodine content of milk was determined by sandell-kolthoff method where the samples were taken from holstein dairy cows, in shahrkord, the central part of iran. thirty six samples were taken from transportation tanks in semi industri...

A patient presented with hyperthyroidism and end-stage renal disease requiring hemodialysis that was difficult to control despite increased dosages of anti-thyroid drugs. The condition could finally be controlled by 131I radioactive iodine therapy (RIT) and hemodialysis provided under a hospital-linkage system. During three hemodialysis sessions after the oral administration of 131I, we measure...

This study was undertaken to determine if increasing maternal iodine intake through single dose tablets will decrease breast milk concentrations of the iodine-uptake inhibitor, perchlorate, through competitive inhibition. We also sought to determine if the timing of supplementation influences the fraction of iodine excreted in milk versus urine and to compare the effectiveness of iodized salt a...

Radioactive isotopes of iodine (1311 and 1291) and cesium (137Cs) are important contaminants present in nuclear waste. These radioisotopes have been introduced into the environment through nuclear weapons tests as well as nuclear accidents such as Chernobyl. Although iodine is commonly found as iodide (F), which is generally considered to behave conservatively, it has been proposed that iodide ...

background: the aim of the study was to evaluate the third trimester urinary iodine excretion and to assess its relation with newborns thyroid function. materials and methods: a total  of  208 healthy third trimester pregnant women without previous history of thyroid disease were included in the study. urinary iodine levels of mothers were measured and neonatal tsh levels were screened on the 3...

background: goiter is thyroid enlargement, which is the most common visible symptom of iodine deficiency. some studies have shown iodine deficiency in water, soil, and food in many places worldwide. we aimed to determine the prevalence of goiter and the association between urine iodine levels in children with severity and prevalence of goiter in mountainous villages of kashan city (center of ir...