Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ramona Georgescu State"'
Publikováno v:
Electrochemical Science Advances, Vol 2, Iss 1, Pp n/a-n/a (2022)
Abstract This review is presenting the design and performance of some electrochemical sensors used for the determination of L‐dopa in real samples as reported in a series of relevant scientific papers published in the past 5 years. L‐dopa was int
Externí odkaz:
https://doaj.org/article/9670aab5a53a4ebb897b6022c764d47f
Autor:
Andreea-Roxana Niculae, Raluca-Ioana Stefan-van Staden, Jacobus Frederick van Staden, Ramona Georgescu State
Publikováno v:
Sensors, Vol 22, Iss 15, p 5851 (2022)
Two sensors based on sulfur-doped graphene, a gold nanoparticle paste modified with 5,10,15,20-tetraphenyl-21H,23H-porphine and 5,10,15,20-tetrakis (pentafluorophenyl chloride)-21H,23H-iron (III) porphyrin, were proposed for the determination of R-li
Externí odkaz:
https://doaj.org/article/1de71990950e4099b5fca9dfbc64d0ca
Autor:
Gianina Dobrescu, Ramona Georgescu-State, Florica Papa, Jacobus (Koos) Frederick van Staden, Razvan Nicolae State
Publikováno v:
Fractal and Fractional, Vol 8, Iss 4, p 205 (2024)
The fractal properties of carbon paste electrodes (CPEs) and carbon paste electrodes modified with ionic liquid (IL), AuTiO2/graphene oxide, and IL/AuTiO2/graphene oxide were investigated using scanning electron microscopy (SEM), and cyclic voltammet
Externí odkaz:
https://doaj.org/article/4caae223fd674056808b2007216df15e
Autor:
Ramona Georgescu-State, Jacobus Frederick van Staden, Raluca-Ioana Stefan-van Staden, Razvan Nicolae State
Publikováno v:
Microchimica Acta. 190
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a95362c1d50a2823c2f3e8be437cb514
https://doi.org/10.1007/s00604-023-05811-1
https://doi.org/10.1007/s00604-023-05811-1
Autor:
Cristina Stefanov, Raluca-Ioana Stefan-van Staden, Ramona Georgescu State, Jacobus F. van Staden
Publikováno v:
Electroanalysis. 33:1778-1788
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afbf72f9379e892b1aac986cc737c71c
https://doi.org/10.1002/elan.202100132
https://doi.org/10.1002/elan.202100132
Nanographene-based electrochemical sensors for ultrasensitive determination of sorbic acid from food
Autor:
Raluca-Ioana Stefan-van Staden, Andreea-Roxana Niculae, Jacobus Frederick van Staden, Ramona Georgescu State, Paula Sfirloaga
Publikováno v:
Analytical and bioanalytical chemistry. 414(23)
Ultrasensitive determination of sorbic acid in food is essential for the assessment of the food quality. Therefore, two sensors based on nanographene decorated with gold nanoparticle paste modified with metal porphyrins (Zn protoporphyrin IX, and 2,3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31df2401b5bafc0cfa027dcb5659602f
https://pubmed.ncbi.nlm.nih.gov/35879426
https://pubmed.ncbi.nlm.nih.gov/35879426
Publikováno v:
Electrochemical Science Advances, Vol 2, Iss 1, Pp n/a-n/a (2022)
This review is presenting the design and performance of some electrochemical sensors used for the determination of L‐dopa in real samples as reported in a series of relevant scientific papers published in the past 5 years. L‐dopa was intensively
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf0a74d315d7adee856817d2ea9826e1
https://doaj.org/article/9670aab5a53a4ebb897b6022c764d47f
https://doaj.org/article/9670aab5a53a4ebb897b6022c764d47f
Autor:
Ramona Georgescu, State, Jacobus Koos Frederick, van Staden, Razvan Nicolae, State, Florica, Papa
Publikováno v:
Food chemistry. 385
A novel electrochemical sensor based on the modification of carbon paste electrode with an ionic liquid (1-butyl-2,3-dimethylimidazolium tetrafluoroborate) and AuTiO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9b380ebbefe4a5e3de1b8161c8644f58
https://pubmed.ncbi.nlm.nih.gov/35259619
https://pubmed.ncbi.nlm.nih.gov/35259619
Publikováno v:
Revue Roumaine de Chimie. 64:879-886
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3d12d97ea381611dd56d704d74f51ac
https://doi.org/10.33224/rrch/2019.64.10.06
https://doi.org/10.33224/rrch/2019.64.10.06
Publikováno v:
Microchemical Journal. 137:418-421
A simple, sensitive and selective fluorimetric method for the determination of trace amounts of nitrite in different water samples (e.g., underground water, geothermal waste water, domestic waste water and drinking water) was proposed. The fluorimetr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04919dd6318d5d5da616abeabcca7f1f
https://doi.org/10.1016/j.microc.2017.11.021
https://doi.org/10.1016/j.microc.2017.11.021