Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Livia Alexandra Gugoasa"'
Publikováno v:
2021 International Semiconductor Conference (CAS).
In this study, two designs were proposed for a gold electrochemical device. Both were fabricated using a single mask photolithography process and electrochemically characterized. The best design (device) was further used to integrate the sulfur-doped
Autor:
Stela Pruneanu, Livia Alexandra Gugoasa, Raluca-Ioana Stefan-van Staden, Maria Coroș, Jacobus F. van Staden
Publikováno v:
Analytical Letters. 52:2583-2606
A novel synthesized gold (Au)-reduced graphene oxide composite (rGO) was used for the fabrication of an electroactive paste inserted in a three-dimensional (3D)-printed platform for the determinati...
Autor:
Raluca-Ioana Stefan-van Staden, Camelia Stanciu-Gavan, Ruxandra-Maria Ilie-Mihai, Livia Alexandra Gugoasa
Publikováno v:
Journal of The Electrochemical Society. 166:B183-B186
Publikováno v:
Current Medicinal Chemistry. 25:4037-4049
Testosterone is the principal endogenous androgenic–anabolic steroid in humans. The levels of testosterone in the human body are correlated with many hormonal disorders (hypogonadism, impotence, etc) mostly in men, and with many types of diseases s
This chapter describes the electrochemical applications of quantum dots doped with inorganic materials, especially doped carbon or graphene quantum dots-based biosensors. The ability to functionalize the carbon dots (CDs) structure is most important
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e36e4c6a0dbc626e50d286ca25fd5730
https://doi.org/10.1016/b978-0-12-821670-5.00002-6
https://doi.org/10.1016/b978-0-12-821670-5.00002-6
Publikováno v:
Mikrochimica acta. 187(11)
A gold nanoparticle/graphene quantum dots (AuNP/GQD) nanozyme–modified screen-printed carbon electrode (SPCE) was developed for fast and ultrasensitive determination of quercetin by square-wave voltammetry. The nanosensing device was inserted in mi
Autor:
Livia Alexandra Gugoasa, Jacobus F. van Staden, Maria Coros, Stela Pruneanu, Raluca-Ioana Stefan-van Staden
Publikováno v:
Analytical and bioanalytical chemistry. 412(21)
A silver reduced graphene oxide (Ag-rGO) nanocomposite paste was prepared for the assay of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) in children’s saliva. The paste was modified with a solution of myoglobin (Myb) to form the s
Autor:
Livia Alexandra Gugoasa, Crina Socaci, Raluca-Ioana Stefan-van Staden, Marcela-Corina Rosu, Ahmed Jassim Muklive Al-Ogaidi
Publikováno v:
Analytical Letters. 51:2822-2834
The determination of KRAS was performed using electrochemical sensing devices based on graphite and graphene pastes, modified with a phthalocyanine-boron dipyrromethene (BODIPY) and azulenes dyes. The limits of quantification for KRAS were 1.54 × 10
Autor:
Raluca-Ioana Stefan-van Staden, Jacobus F. van Staden, Livia Alexandra Gugoasa, Luisa-Roxana Popescu-Mandoc
Publikováno v:
Analytical Letters. 52:803-812
Graphite/diamond pastes modified with 1H-pyrrole-1-hexanoic acid were used for the design of stochastic sensors. The proposed stochastic sensors were used to determine four heavy metals, copper(II)...
Autor:
Livia Alexandra Gugoasa, Stela Pruneanu, Raluca-Ioana Stefan-van Staden, Jacobus F. van Staden, Maria Coros
Publikováno v:
2019 International Semiconductor Conference (CAS).
A silver-reduced graphene oxide composite paste microsensor was introduced for oxidation of bisphenol A with good stability and sensitivity and LOD of 1.5 nmol L-1. A wide linear level range (5.0 nmol L-1 – 8.0 mmol L-1) proved that the method can