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Application of the highly basic nano-sized anionite for the capillary electrophoresis separation and on-line concentration of inorganic anions. / Dzema, D. V.; Kartsova, L. A.; Polikarpova, D. A.

в: Analitika i Kontrol, Том 21, № 1, 01.01.2017, стр. 41-48.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{69c8baa859444b13958a0f00e637fdb6,
title = "Application of the highly basic nano-sized anionite for the capillary electrophoresis separation and on-line concentration of inorganic anions",
abstract = "In this study, the possibilities of using the highly basic nano-sized anionite based on the anionite AB- 17 as a modifier of the background electrolyte (BGE) in the capillary electrophoresis (CE) for the separation of inorganic anions was investigated. The influence of the concentration of nano-sized anionite in BGE on the velocity and direction of EOF as well as on the efficiency (N, t.p.) and peaks resolution (R) of inorganic anions was determined. It was established that the addition of the highly basic nano-sized anionite to the BGE (with the concentration of functional groups of nano-sized anionite more than 0.01 mM) leads to the reversal of the EOF. This indicates the dynamic modification of the silica capillary walls by the particles of nano-sized anionites and leads to the better efficiency (up to 600-103 t.p.) and increased resolution of inorganic anions compared to BGE containing conventional cationic surfactant - CTAB. Various on-line concentration technics were applied to decrease the LOD of analytes. The LOD of inorganic anions with UV detection and nano-sized anionite as a modifier of BGE were 8-30 ng/ml in case of field amplified sample stacking and 1pg/ml - 7μg/ml for the electro stacking respectively. Thus, the new method of simultaneous electrophoretic determination of 8 inorganic anions was developed and realized for the quantitative analysis of inorganic anions in urine.",
keywords = "Capillary electrophoresis, Inorganic anions, On-line concentration, Strong basic nano-sized anionite",
author = "Dzema, {D. V.} and Kartsova, {L. A.} and Polikarpova, {D. A.}",
year = "2017",
month = jan,
day = "1",
doi = "10.15826/analitika.2017.21.1.004",
language = "English",
volume = "21",
pages = "41--48",
journal = "АНАЛИТИКА И КОНТРОЛЬ",
issn = "2073-1442",
publisher = "Издательство Уральского Федерального Университета",
number = "1",

}

RIS

TY - JOUR

T1 - Application of the highly basic nano-sized anionite for the capillary electrophoresis separation and on-line concentration of inorganic anions

AU - Dzema, D. V.

AU - Kartsova, L. A.

AU - Polikarpova, D. A.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - In this study, the possibilities of using the highly basic nano-sized anionite based on the anionite AB- 17 as a modifier of the background electrolyte (BGE) in the capillary electrophoresis (CE) for the separation of inorganic anions was investigated. The influence of the concentration of nano-sized anionite in BGE on the velocity and direction of EOF as well as on the efficiency (N, t.p.) and peaks resolution (R) of inorganic anions was determined. It was established that the addition of the highly basic nano-sized anionite to the BGE (with the concentration of functional groups of nano-sized anionite more than 0.01 mM) leads to the reversal of the EOF. This indicates the dynamic modification of the silica capillary walls by the particles of nano-sized anionites and leads to the better efficiency (up to 600-103 t.p.) and increased resolution of inorganic anions compared to BGE containing conventional cationic surfactant - CTAB. Various on-line concentration technics were applied to decrease the LOD of analytes. The LOD of inorganic anions with UV detection and nano-sized anionite as a modifier of BGE were 8-30 ng/ml in case of field amplified sample stacking and 1pg/ml - 7μg/ml for the electro stacking respectively. Thus, the new method of simultaneous electrophoretic determination of 8 inorganic anions was developed and realized for the quantitative analysis of inorganic anions in urine.

AB - In this study, the possibilities of using the highly basic nano-sized anionite based on the anionite AB- 17 as a modifier of the background electrolyte (BGE) in the capillary electrophoresis (CE) for the separation of inorganic anions was investigated. The influence of the concentration of nano-sized anionite in BGE on the velocity and direction of EOF as well as on the efficiency (N, t.p.) and peaks resolution (R) of inorganic anions was determined. It was established that the addition of the highly basic nano-sized anionite to the BGE (with the concentration of functional groups of nano-sized anionite more than 0.01 mM) leads to the reversal of the EOF. This indicates the dynamic modification of the silica capillary walls by the particles of nano-sized anionites and leads to the better efficiency (up to 600-103 t.p.) and increased resolution of inorganic anions compared to BGE containing conventional cationic surfactant - CTAB. Various on-line concentration technics were applied to decrease the LOD of analytes. The LOD of inorganic anions with UV detection and nano-sized anionite as a modifier of BGE were 8-30 ng/ml in case of field amplified sample stacking and 1pg/ml - 7μg/ml for the electro stacking respectively. Thus, the new method of simultaneous electrophoretic determination of 8 inorganic anions was developed and realized for the quantitative analysis of inorganic anions in urine.

KW - Capillary electrophoresis

KW - Inorganic anions

KW - On-line concentration

KW - Strong basic nano-sized anionite

UR - http://www.scopus.com/inward/record.url?scp=85018254085&partnerID=8YFLogxK

U2 - 10.15826/analitika.2017.21.1.004

DO - 10.15826/analitika.2017.21.1.004

M3 - Article

AN - SCOPUS:85018254085

VL - 21

SP - 41

EP - 48

JO - АНАЛИТИКА И КОНТРОЛЬ

JF - АНАЛИТИКА И КОНТРОЛЬ

SN - 2073-1442

IS - 1

ER -

ID: 40041938