Determination of cadmium, cobalt, copper, iron, manganese, and zinc in thyroid glands of patients with diagnosed nodular goitre using ion chromatography

Błażewicz, Anna; Dolliver, W.R.; Sivsammye, Suceil; Deol, Apeksha; Randhawa, Rajinder; Orlicz-Szczęsna, Grażyna; Błażewicz, Remigiusz

doi:10.1016/j.jchromb.2009.11.014

Cited by 68 publications

(25 citation statements)

References 25 publications

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“…According to Table 1, the limit of detection of some of these methods is reported in comparison with proposed method not to be good (Babaei et al, 2007;Blazewicz et al, 2010;Citak, Tuzen, & Soylak, 2009 (Beltagi & Ghoneim, 2009;Bezerra, Dos Santos, Lemos, Koru, & Ferreira, 2007;Jurado, Martin, Pablos, Moreda-Pineiro, & BermejoBarrera, 2007) and some of them have a lot of interferences (Chen & Teo, 2001;Ensafi et al, 2006;Iliadou et al, 1997). In this work, a new sensitive and rapid adsorptive voltammetric method for the determination of ultra trace levels of copper and cadmium was developed based on adsorptive stripping voltammetry of copper and cadmium complexes with luminol.…”

Section: Resultsmentioning

confidence: 99%

A highly sensitive method for simultaneous determination of ultra trace levels of copper and cadmium in food and water samples with luminol as a chelating agent by adsorptive stripping voltammetry

2011

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Section: Resultsmentioning

confidence: 99%

A highly sensitive method for simultaneous determination of ultra trace levels of copper and cadmium in food and water samples with luminol as a chelating agent by adsorptive stripping voltammetry

2011

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“…Chromatographic analyses were performed on a Dionex DX-500 ion chromatograph (Dionex, Sunnyvale, CA, USA). The detailed procedure of the standard solutions preparation, operating HPIC conditions, and validation of the applied method have been already described in the previous papers [9, 10]. The limits of detection (LOD) values (in microgram per milliliter) were as follows: 0.022 (Cd), 0.026 (Co), 0.048 (Cu), 0.009 (Fe), 0.006 (Mn), 0.056 (Zn), and 0.006 (Ni) [20].…”

Section: Methodsmentioning

confidence: 99%

Differences in Trace Metal Concentrations (Co, Cu, Fe, Mn, Zn, Cd, and Ni) in Whole Blood, Plasma, and Urine of Obese and Nonobese Children

Błażewicz

Klatka

Astel

et al. 2013

Biol Trace Elem Res

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High-performance ion chromatography and inductively coupled plasma–mass spectrometry methods have been applied to estimate the content of Cd, Co, Cu, Fe, Mn, Zn, and Ni in whole blood, plasma, and urine of obese and nonobese children. The study was conducted on a group of 81 Polish children of age 6–17 years (37 males, 44 females). Obese children were defined as those with body mass index (BMI) >95th percentile in each age–gender-specific group. Statistical testing was done by the use of nonparametric tests (Kruskal–Wallis's and Mann–Whitney's U) and Spearman's correlation coefficient. Significant correlations appeared for control group in plasma (Mn–Cd, Ni–Co), urine (Cu–Co), and blood (Fe–Cu), while for obese patients in plasma (Cd–Mn, Ni–Cu, Ni–Zn) and urine (Fe–Cd, Co–Mn). Sex criteria did not influence correlations between metals' content in plasma and urine of obese patients. Metals' abundance was correlated in non-corresponding combinations of body fluids. Rare significant differences between content of metals according to sex and the type of body fluids were discovered: Zn in plasma from obese patients of both sexes, and Zn, Co, and Mn in blood, Mn in plasma from healthy subjects. Negative correlations between BMI and Zn in blood, Cu in plasma, and Fe in urine were discovered for girls (control group). Positive correlation between Co content in plasma and BMI was discovered for obese boys. The changes in metals' content in body fluids may be indicators of obesity. Content of zinc, copper, and cobalt should be monitored in children with elevated BMI to avoid deficiency problems.

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“…The washing and drying procedures of the thyroid tissues have already been described [32]. The samples (each time 0.5 g of dry tissue) were then mineralized using a microwave-assisted high pressure digestion system (UniClever BM-1, Plazmotronika, Poznań, Poland).…”

Section: Sample Preparation Before Ic Analysismentioning

confidence: 99%

A comparative analytical assessment of iodides in healthy and pathological human thyroids based on IC-PAD method preceded by microwave digestion

Błażewicz¹,

Orlicz-Szczęsna²,

Szczęsny³

et al. 2011

Journal of Chromatography B

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Determination of cadmium, cobalt, copper, iron, manganese, and zinc in thyroid glands of patients with diagnosed nodular goitre using ion chromatography

Cited by 68 publications

References 25 publications

A highly sensitive method for simultaneous determination of ultra trace levels of copper and cadmium in food and water samples with luminol as a chelating agent by adsorptive stripping voltammetry

A highly sensitive method for simultaneous determination of ultra trace levels of copper and cadmium in food and water samples with luminol as a chelating agent by adsorptive stripping voltammetry

Differences in Trace Metal Concentrations (Co, Cu, Fe, Mn, Zn, Cd, and Ni) in Whole Blood, Plasma, and Urine of Obese and Nonobese Children

A comparative analytical assessment of iodides in healthy and pathological human thyroids based on IC-PAD method preceded by microwave digestion

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