Autor: Tyszczuk-Rotko, Katarzyna - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of screen-printed sensors for the determination of painkillers
Autorzy:: Sasal, Agnieszka
Tyszczuk-Rotko, Katarzyna
Powiązania:: https://bibliotekanauki.pl/articles/2079966.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:: screen-printed
pharmaceutical formulations
environment pollution
Opis:: This paper addresses the problem of the intensive development of the pharmaceutical industry and its consequences for the natural environment. The characteristics of the most commonly consumed pharmaceutical preparations and the ways of these substances penetrating into water ecosystems are presented. Attention was paid to the need to monitor environmental contamination and to search for new methods that would enable routine quality control of natural water samples. The application of modern, miniature screen-printed sensors for the determination of trace concentrations of selected active substances of pharmaceutical preparations are presented.
Źródło:: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia; 2018, 73, 1; 111-123
2083-358X
Pojawia się w:: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Voltammetric screen-printed carbon sensor modified with multiwalled carbon nanotubes and bismuth film for trace analysis of thallium(I)
Autorzy:: Kozak, Jędrzej
Tyszczuk-Rotko, Katarzyna
Rotko, Marek
Powiązania:: https://bibliotekanauki.pl/articles/110686.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: screen-printed sensor
anodic stripping voltammetry
bismuth film
multiwalled carbon nanotubes
thallium(I)
Opis:: The paper investigates the possibility of using commercially available screen-printed sensors with carbon nanomaterials modified working electrodes to anodic stripping voltammetric determination of trace concentrations of Tl(I). Each working electrode was additionally plated in-situ with a bismuth film (BiF). The highest analytical signal of Tl(I) at potential of -0.65 V (vs. pseudo- reference silver electrode) was achieved at the screen-printed carbon sensor with multiwalled carbon nanotubes and bismuth film modified working electrode (SPCE/MWCNTs/BiF). The calibration curve was linear in the range of Tl(I) concentrations from 1·10^-8 to 1·10^-6 mol·dm^-3 (-0.9 V, 180 s). The developed procedure of Tl(I) determination at this sensor allowed to achieve the low limits of detection and quantification of Tl(I), 2.8·10^-9 and 9.3·10^-9 mol·dm^-3 respectively. The method was used to determine thallium in the spiked water samples from the Vistula river.
Źródło:: Physicochemical Problems of Mineral Processing; 2019, 55, 6; 1422-1428
1643-1049
2084-4735
Pojawia się w:: Physicochemical Problems of Mineral Processing
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The simultaneous voltammetry determination of cadmium(II) and lead(II) at bismuth film glassy carbon electode prepared with the use of mediator
Autorzy:: Domańska, Katarzyna
Tyszczuk-Rotko, Katarzyna
Dąbal, Sabina
Powiązania:: https://bibliotekanauki.pl/articles/764012.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:: cadmium and lead determination
bismuth film glassy carbon electrode
voltammetry
Opis:: This paper shows a novel, simple and rapid voltammetric procedure, which enables Cd and Pb determination at traces concentrations. All measurements were carried out by differential pulse anodic stripping voltammetry (DPASV) with total time of analysis of 210 s. The obtained detection limits were 8.46 · 10-10 mol L-1 and 2.57 · 10-10 mol L-1 for Cd(II) and Pb(II), respectively. This procedure was successfully applied for the quantification of mentioned metal ions in water samples collected from the Vistula River.
Źródło:: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia; 2017, 72, 1
2083-358X
Pojawia się w:: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: New applications of boron-doped diamond electrode for voltammetric determination of ascorbic acid
Autorzy:: Sadok, Ilona
Tyszczuk-Rotko, Katarzyna
Szwagierek, Agnieszka
Powiązania:: https://bibliotekanauki.pl/articles/764081.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Opis:: An unmodified boron-doped diamond electrode was used for the voltammetric determination of ascorbic acid (AA). The measurements were carried out in an acetate buffer solution of pH = 4.6 by differential pulse voltammetry (DPV). Under the optimized experimental conditions, AA gaves linear response in a broad concentration range from 5 · 10–7 to 2· 10–3 mol/dm3. The detection limit was 1.63 · 10–7 mol/dm3. The proposed procedure was applied for simple and fast voltammetric determination of ascorbic acid in human urine samples and commercially available dietary supplements.
Źródło:: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia; 2015, 70, 2
2083-358X
Pojawia się w:: Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
Dostawca treści:: Biblioteka Nauki

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