نتایج جستجو برای: thiocyanate level

تعداد نتایج: 1082827  

Journal: :The Journal of biological chemistry 1950
J L WOOD N KINGSLAND

In a previous paper (1) we reported data, based upon the use of radiosulfur, showing that in the rat the affinity of the whole thyroid for thiocyanate ion is slight but is significantly greater than in other tissues. Baumann and Metzger (2), using different analytical procedures, reported a similar observation. The uptake of thiocyanate ion by the thyroid is of especial interest because of the ...

Journal: :Thorax 1982
Y Saloojee C J Vesey P V Cole M A Russell

Carboxyhaemoglobin and plasma thiocyanate concentrations were measured in 79 non-smokers and 360 cigarette smokers. The mean levels were 0.73% and 7.09% carboxyhaemoglobin and 40 . 2 and 133 . 8 mumol thiocyanate/1 plasma respectively. With 1 . 6% carboxyhaemoglobin and 73 . 0 mumol thiocyanate/1 plasma as critical values the concentrations of carboxyhaemoglobin in 96.6% of subjects and of thio...

Journal: :Clinical endocrinology 2012
Elizabeth N Pearce Maria Alexiou Eftychia Koukkou Lewis E Braverman Xuemei He Ioannis Ilias Maria Alevizaki Kostas B Markou

OBJECTIVE Thyroid hormone, requiring adequate maternal iodine intake, is critical for neurodevelopment in utero. Perchlorate and, less so, thiocyanate decrease uptake of iodine into the thyroid gland by competitively inhibiting the sodium/iodide symporter (NIS). It remains unclear whether environmental perchlorate exposure adversely affects thyroid function in first-trimester pregnant women. ...

Journal: :Bioorganic & medicinal chemistry letters 2007
Guadalupe García Liñares Santiago Gismondi Nicolás Osa Codesido Silvia N J Moreno Roberto Docampo Juan B Rodriguez

As a part of our project aimed at developing new safe chemotherapeutic and chemoprophylactic agents against tropical diseases, fluorine-containing drugs structurally related to 4-phenoxyphenoxyethyl thiocyanate (1) were designed, synthesized, and evaluated as antiproliferative agents against Trypanosoma cruzi, the parasite responsible of American trypanosomiasis (Chagas' disease), and Toxoplasm...

Journal: :The Biochemical journal 1997
C J van Dalen M W Whitehouse C C Winterbourn A J Kettle

The neutrophil enzyme myeloperoxidase uses H2O2 to oxidize chloride, bromide, iodide and thiocyanate to their respective hypohalous acids. Chloride is considered to be the physiological substrate. However, a detailed kinetic study of its substrate preference has not been undertaken. Our aim was to establish whether myeloperoxidase oxidizes thiocyanate in the presence of chloride at physiologica...

Journal: :Journal of medicinal chemistry 2000
S H Szajnman W Yan B N Bailey R Docampo E Elhalem J B Rodriguez

As a part of our project directed at the search of new chemotherapeutic agents against American trypanosomiasis (Chagas' disease), several drugs possessing the 4-phenoxyphenoxy skeleton and other closely related structures employing the thiocyanate moiety as polar end group were designed, synthesized, and evaluated as antiproliferative agents against Trypanosoma cruzi, the parasite responsible ...

2003
NELSON KINGSLAND

l:lle or&n and fate of thiocyanate ion in the body have been of interest for more than a century. It has been generally accepted that the ion does not readily permeate normal cell membranes; t.hc distribution of thiocyanate ion in the body is the basis of a method for determination of extracellular fluid volume (1). Despite its assumed extracellular localization, thiocyanate ion is physiologica...

Ali Asghar Ensafi Javad Tajebakhsh-e-Ardakany

A kinetic spectrophotometric method for rapid measurement of thiocyanate in serum, urine and sewage water with no need for removed of interfering substances in described. The method is based on the inhibitory effect of thiocyanate on the oxidation of pyrogallol red by bromated and nitrite which is monitored at 467 nm. The variables affecting the rate of the reaction were investigated and th...

Journal: :Clinical chemistry 1979
P Lundquist J Mårtensson B Sörbo S Ohman

We describe a method for rapid and specific measurement of thiocyanate in serum or urine. We separate thiocyanate from interfering compounds by adsorbing it on an anion-exchange resin that has special affinity for thiocyanate, then eluting with sodium perchlorate. The eluted thiocyanate is quantified by a modified König reaction, sodium hypochlorite being used as the chlorinating reagent. Analy...

Journal: :Asia Pacific journal of clinical nutrition 2006
Amar K Chandra Smritiratan Tripathy Dishari Ghosh Arijit Debnath Sanjukta Mukhopadhyay

The main objective of this study was to assess the iodine nutritional status among school children (6-12 yrs) of Sundarban delta in North 24-Parganas district of West Bengal in eastern India. A total of 2050 children were clinically examined for goiter and 240 urine samples were analyzed for iodine and thiocyanate respectively; iodine content in 48 water samples and 210 salt samples were also m...

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