Topic
Iodine
About: Iodine is a research topic. Over the lifetime, 8936 publications have been published within this topic receiving 139981 citations. The topic is also known as: I & element 53.
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TL;DR: The single drop microextraction of the haloanilines resulted in a sensitive method for bromate and iodate and the latter method of extraction has been found more robust, sensitive and to give better extraction in shorter period than SDME.
76 citations
TL;DR: Improved procedures of the Swoboda and Lea method for the determination of peroxide values (POV) of fats and lipids are presented in this article, which permits the rapid determination of POV with a small amount of sample at a moderate cost using usual glasswares.
Abstract: Improved procedures of the Swoboda and Lea method for the determination of peroxide values (POV) of fats and lipids are presented. After oxidation of iodide to iodine with the sample for 5 min under an inert atmosphere, an excess of the iodide ion is immediately converted to cadmium complex for protection from atmospheric oxygen. The iodine is measured colorimetrically at 358 or 410 nm, and POV is calculated from the absorbance. This method permits the rapid determination of POV with a small amount of sample at a moderate cost using usual glasswares. For the analysis of lipids in biological materials or food products, the chloroform solution obtained by the Bligh and Dyer method is directly subjected to this procedure without evaporation of the solvent. Conversions between POV obtained by the different methods are discussed.
76 citations
TL;DR: Iodimetric titrations and pH profiles suggest that the oxidation and oxidative cleavage of tryptophan peptides during iodination proceeds via the mechanism proposed for brominating agents.
76 citations
TL;DR: The appearance of permanent hypothyroidism several years after treatment of thyrotoxicosis with radioactive iodine (131I) was pointed out in the review of Chapman and Maloof in 1955 and has steadily increasing occurrence during the passage of time.
Abstract: THE appearance of permanent hypothyroidism several years after treatment of thyrotoxicosis with radioactive iodine (131I) was pointed out in the review of Chapman and Maloof1 in 1955. Its steadily increasing occurrence during the passage of time was reported in 1961 by Beling and Einhorn.2 The data of Dunn and Chapman3 show that radioactive iodine hypothyroidism occurs in 25 per cent of patients two years after 131I, the rate steadily increasing to 40 per cent after ten years.3 More recently, Nofal, Beierwaltes and Patno4 reported permanent hypothyroidism in 45 per cent after two years, the figure reaching about 70 per . . .
76 citations