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Electrochemical Determination of Metallothioneins by the Modified Brdička Procedure as an Analytical Tool in Biomonitoring Studies


Mijošek, Tatjana; Erk, Marijana; Filipović Marijić, Vlatka; Krasnići, Nesrete; Dragun, Zrinka; Ivanković, Dušica
Electrochemical Determination of Metallothioneins by the Modified Brdička Procedure as an Analytical Tool in Biomonitoring Studies // Croatica chemica acta, 91 (2018), 475-480 doi:10.5562/cca3444 (međunarodna recenzija, članak, znanstveni)


Naslov
Electrochemical Determination of Metallothioneins by the Modified Brdička Procedure as an Analytical Tool in Biomonitoring Studies

Autori
Mijošek, Tatjana ; Erk, Marijana ; Filipović Marijić, Vlatka ; Krasnići, Nesrete ; Dragun, Zrinka ; Ivanković, Dušica

Izvornik
Croatica chemica acta (0011-1643) 91 (2018); 475-480

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Metallothioneins, differential pulse voltammetry, modified scan rate, fish tissues, biomarkers, biomonitoring.

Sažetak
Present study aims to improve the modified Brdička procedure of metallothionein (MT) quantification in a way to reduce the analysis duration. Therefore, scan rate of the voltammetric sweep was increased from 0.0052 V s–1 to 0.013 V s–1 by lowering the duration of one step potential from 0.5 s to 0.2 s, which resulted in 2.5 times faster voltammetric sweep. Research confirmed high accuracy and reliability of MT measurements, in both standard sample and samples of heat-treated cytosols of liver, gills and the intestine of European chub and liver of brown trout. The method was confirmed as fast and reliable electrochemical technique for quantification of MTs and this time- saving improvement is especially useful and applicable in different biomonitoring studies which require the analyses of numerous biological samples and high sample throughput.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Biologija, Interdisciplinarne prirodne znanosti



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2014-09-4255 - Akumulacija, unutarstanično mapiranje i učinci metala u tragovima u akvatičkih orbganizama (Marijana Erk, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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