000 03527nlm1a2200421 4500
001 665405
005 20231030042002.0
035 _a(RuTPU)RU\TPU\network\36604
035 _aRU\TPU\network\28947
090 _a665405
100 _a20210922a2018 k y0engy50 ba
101 0 _aeng
102 _aUS
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aThe Simultaneous Voltammetric Determination of Aflatoxins В1 and М1 on a Glassy-Carbon Electrode
_fG. B. Slepchenko, T. M. Gindullina, M. A. Gavrilova, A. Zh. Auelbekova
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 24 tit.]
330 _aFor the first time, the possibility of using stripping voltammetry for the simultaneous determination of aflatoxins C1 and N1 on a glassy-carbon electrode has been shown. +e influence of various factors (F[upsilon], [tau][upsilon], w, and the nature of the background electrolyte) on the potential and magnitude of the oxidation current of mycotoxins has been estimated. Working conditions for voltammetric determination and reproducibility of analytical signals for two mycotoxins have been selected. +e mutual influence of aflatoxins C1 and N1 on the value of analytical signals in their simultaneous presence has been studied. It has been found that, in the range of their detectable contents, the presence of aflatoxin C1 reduces the analytical signal of aflatoxin N1 by 45-50%, but the linearity of the calibration dependence is preserved. +e content of aflatoxin N1 in determination of aflatoxin B1 does not exert a significant effect in the range of 10-15%. Based on the results obtained, a procedure has been proposed for determining the content of aflatoxins C1 and N1 in their joint presence in milk by voltammetry in the concentration ranges 2•10-3-:2•101 mg/dm3 and 2•10-4-:2•102 mg/dm3 , respectively (Sr not more than 18%).
461 _tJournal of Analytical Methods in Chemistry
463 _tVol. 2018
_v[6285623, 6 p.]
_d2018
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _aвольтамперометрическое определение
610 1 _aафлатоксины
610 1 _aстеклоуглеродные электроды
610 1 _aвольтамперометрия
701 1 _aSlepchenko
_bG. B.
_cChemist
_cProfessor of Tomsk Polytechnic University, Doctor of chemical sciences
_f1956-
_gGalina Borisovna
_2stltpush
_3(RuTPU)RU\TPU\pers\33018
701 1 _aGindullina
_bT. M.
_cChemist
_cAssociate Professor of Tomsk Polytechnic University, Candidate of chemical sciences
_f1951-
_gTatiana Mikhailovna
_2stltpush
_3(RuTPU)RU\TPU\pers\33021
701 1 _aGavrilova
_bM. A.
_gMariya
701 1 _aAuelbekova
_bA. Zh.
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИсследовательская школа химических и биомедицинских технологий
_c(2017- )
_h8120
_2stltpush
_3(RuTPU)RU\TPU\col\23537
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа природных ресурсов
_bОтделение химической инженерии
_h8085
_2stltpush
_3(RuTPU)RU\TPU\col\23513
801 2 _aRU
_b63413507
_c20210922
_gRCR
856 4 _uhttps://doi.org/10.1155/2018/6285623
942 _cCF