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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F06%3A00003352%21RIV10-MSM-15310___
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Concentration of four trace elements (copper, zinc, iron, and selenium) was determined in colon tissue from twenty-three patients with colorectal cancer. The tissue samples were dried and dissolved using microwave-assisted digestion technique. The content of trace elements was determined using atomic absorption spectrometry. No significant differences between Zn levels in normal and cancerous tissues were observed. However, the levels of Cu, Fe, and Se were significantly higher in cancerous tissues than in the control samples. The results obtained using microwave-assisted technique were compared to those obtained via alkaline digestion with tetramethylammonium hydroxide. Both techniques were used for the digestion of certified reference material of pork liver. Very good agreement with the certified values of Cu, Fe, and Zn in the reference material was achieved using alkaline digestion procedure. This technique seems to be an efficient alternative to decomposition of biological samples. Concentration of four trace elements (copper, zinc, iron, and selenium) was determined in colon tissue from twenty-three patients with colorectal cancer. The tissue samples were dried and dissolved using microwave-assisted digestion technique. The content of trace elements was determined using atomic absorption spectrometry. No significant differences between Zn levels in normal and cancerous tissues were observed. However, the levels of Cu, Fe, and Se were significantly higher in cancerous tissues than in the control samples. The results obtained using microwave-assisted technique were compared to those obtained via alkaline digestion with tetramethylammonium hydroxide. Both techniques were used for the digestion of certified reference material of pork liver. Very good agreement with the certified values of Cu, Fe, and Zn in the reference material was achieved using alkaline digestion procedure. This technique seems to be an efficient alternative to decomposition of biological samples.
dcterms:title
Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients
skos:prefLabel
Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients
skos:notation
RIV/61989592:15310/06:00003352!RIV10-MSM-15310___
n3:aktivita
n12:Z
n3:aktivity
Z(MSM6198959216)
n3:cisloPeriodika
4
n3:dodaniDat
n15:2010
n3:domaciTvurceVysledku
n7:1817140 n7:4437640 n7:1639781 n7:5816327
n3:druhVysledku
n4:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
469074
n3:idVysledku
RIV/61989592:15310/06:00003352
n3:jazykVysledku
n16:eng
n3:klicovaSlova
trace elements; cancerous tissue; atomic absorption spectrometry; alkaline digestion; microwave-assisted digestion; tetramethylammonium hydroxide
n3:klicoveSlovo
n9:trace%20elements n9:cancerous%20tissue n9:tetramethylammonium%20hydroxide n9:microwave-assisted%20digestion n9:alkaline%20digestion n9:atomic%20absorption%20spectrometry
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[72C687FE4C9E]
n3:nazevZdroje
Chemical Papers
n3:obor
n5:CB
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n15:2006
n3:svazekPeriodika
60
n3:tvurceVysledku
Milde, David Vysloužil, Kamil Hornik, Petr Stužka, Václav Trenz, Zdeněk
n3:zamer
n8:MSM6198959216
s:issn
0366-6352
s:numberOfPages
5
n18:organizacniJednotka
15310