Výsledky vyhledávání - "Giancarlo Marrosu"

A new insight into the oxidative mechanism of caffeine and related methylxanthines in aprotic medium: May caffeine be really considered as an antioxidant?

Autor: Giancarlo Marrosu, Antonella Curulli, Giuseppe Zollo, Rita Petrucci

Publikováno v: Biochimica et biophysica acta. G, General subjects
1862 (2018): 1781–1789. doi:10.1016/j.bbagen.2018.05.011
info:cnr-pdr/source/autori:Petrucci R.; Zollo G.; Curulli A.; Marrosu G./titolo:A new insight into the oxidative mechanism of caffeine and related methylxanthines in aprotic medium: May caffeine be really considered as an antioxidant?/doi:10.1016%2Fj.bbagen.2018.05.011/rivista:Biochimica et biophysica acta. G, General subjects (Print)/anno:2018/pagina_da:1781/pagina_a:1789/intervallo_pagine:1781–1789/volume:1862

Background Antioxidant properties have been recently suggested for caffeine that seems showing protective effects against damages caused by oxidative stress. In particular, a HO scavenging activity has been ascribed to caffeine. Even if the oxidation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95242c6ba91447aafa56fd06c6f6d113
https://doi.org/10.1016/j.bbagen.2018.05.011

Zobrazit plný text záznamu

Selective electrochemical determination of caffeine at a gold-chitosan nanocomposite sensor: May little change on nanocomposites synthesis affect selectivity?

Autor: Rita Petrucci, Giancarlo Marrosu, Alessandro Trani, Antonella Curulli, Daniela Zane

Publikováno v: Journal of electroanalytical chemistry (1992) 788 (2017): 99–106. doi:10.1016/j.jelechem.2017.01.049
info:cnr-pdr/source/autori:Trani A.; Petrucci R.; Marrosu G.; Zane D.; Curulli A./titolo:Selective electrochemical determination of caffeine at a gold-chitosan nanocomposite sensor: May little change on nanocomposites synthesis affect selectivity?/doi:10.1016%2Fj.jelechem.2017.01.049/rivista:Journal of electroanalytical chemistry (1992)/anno:2017/pagina_da:99/pagina_a:106/intervallo_pagine:99–106/volume:788

A simple and selective method for the determination of caffeine also in complex matrix has been developed at a gold electrode modified with gold nanoparticles (AuNPs) synthetized in a chitosan matrix in the presence of oxalic acid. The electrochemica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34db97cb268d134edf4caa3ce91ad4bd
https://doi.org/10.1016/j.jelechem.2017.01.049

Zobrazit plný text záznamu

Cyclic voltammetry, spectroelectrochemistry and electron spin resonance as combined tools to study thymoquinone in aprotic medium

Autor: Lucedio Greci, Giancarlo Marrosu, Rita Petrucci, Giulio Lupidi, Paola Astolfi

Publikováno v: Electrochimica Acta. 60:230-238

Nigella sativa has been used for centuries as a natural remedy for a number of chronic and age-related diseases. Thymoquinone (TQ), the main constituent of its extracts, has recently received particular attention and has been tested for its antioxida

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5fbc5042c5c36680d61c5035d755a549
https://doi.org/10.1016/j.electacta.2011.11.055

Zobrazit plný text záznamu

Determination of Caffeine @ Gold Nanoparticles Modified Gold (Au) Electrode: A Preliminary Study

Autor: Antonella Curulli, Alessandro Trani, Giancarlo Marrosu, Rita Petrucci

Publikováno v: Lecture Notes in Electrical Engineering ISBN: 9783319096162
Lecture notes in electrical engineering
319 (2015): 147–151. doi:10.1007/978-3-319-09617-9_26
info:cnr-pdr/source/autori:Trani A.; Petrucci R.; Marrosu G.; Curulli A./titolo:Determination of caffeine @ gold nanoparticles modified gold (Au) electrode: A preliminary study/doi:10.1007%2F978-3-319-09617-9_26/rivista:Lecture notes in electrical engineering (Print)/anno:2015/pagina_da:147/pagina_a:151/intervallo_pagine:147–151/volume:319

Caffeine is a natural alkaloid exerting many physiological effects, such as stimulation of the central nervous system, diuresis and gastric acid secretion. It is widely distributed in plant products and beverages and its quantification is mainly of p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a48e8594a291c15636cbe1e285bd9e77
https://doi.org/10.1007/978-3-319-09617-9_26

Zobrazit plný text záznamu

Evaluation of the antioxidant activity of flavonoids by 'ferric reducing antioxidant power' assay and cyclic voltammetry

Autor: Omidreza Firuzi, Rita Petrucci, Antonio Lacanna, Giancarlo Marrosu, Luciano Saso

Publikováno v: Biochimica et Biophysica Acta (BBA) - General Subjects. 1721:174-184

Flavonoids, naturally occurring phenolic compounds, have recently been studied extensively for their antioxidant properties. The structure–antioxidant activity relationships (SAR) of flavonoids have been evaluated against different free radicals, b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::205d37ebeeadde78f49e04c8200745dd
https://doi.org/10.1016/j.bbagen.2004.11.001

Zobrazit plný text záznamu

Hypochlorite scavenging activity of hydroxycinnamic acids evaluated by a rapid microplate method based on the measurement of chloramines

Autor: Luciano Saso, Giancarlo Marrosu, Rita Petrucci, Cathrin Seibert, Luisa Giansanti, Roberta Agostino, Roberta Vento, Omidreza Firuzi

Publikováno v: Journal of Pharmacy and Pharmacology. 55:1021-1027

Scavengers of hypochlorite (XOCI) could have beneficial effects in diseases in which this oxidant plays a pathogenic role. It has been reported that ferulic acid and chlorogenic acid, the quinic ester of caffeic acid, are good hypochlorite scavengers

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::149065af497b4e06530d8ac4bf4b4eb0
https://doi.org/10.1211/0022357021314

Zobrazit plný text záznamu

Development of a new assay for the screening of hypochlorous acid scavengers based on reversed-phase high-performance liquid chromatography

Autor: Maria Teresa Gatto, Roberta Agostino, Luciano Saso, Lucia Pavan, Giancarlo Marrosu, Eleonora Grippa, Francesca Romana Spinelli, Marzia Petrolati, Omidreza Firuzi, Angela Borsò, Rita Petrucci

Publikováno v: Biomedical Chromatography. 16:404-411

A new assay for the screening of hypochlorite/hypochlorous acid (XOCl) scavengers, based on the reversed-phase high performance liquid chromatographic analysis of human serum albumin (HSA, 0.2% in 100 mM sodium phosphate, pH 7), before and after oxid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83a3a56d43d61539752ae6093819a9e1
https://doi.org/10.1002/bmc.174

Zobrazit plný text záznamu

UHPLC-PDA-ESI-TOF/MS metabolic profiling of Arctostaphylos pungens and Arctostaphylos uva-ursi. A comparative study of phenolic compounds from leaf methanolic extracts

Autor: Francesca Romana Gallo, Rita Petrucci, Giuseppina Multari, Alessia Panusa, Giancarlo Marrosu

Publikováno v: Phytochemistry. 115

The aim of this study was to get a rapid metabolic fingerprinting and to gain insight into the metabolic profiling of Arctostaphylos pungens H. B. K., a plant morphologically similar to Arctostaphylos uva-ursi (L.) Spreng. (bearberry) but with a lowe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9587eec719f52c5a097d1e42a2b3a58
https://pubmed.ncbi.nlm.nih.gov/25702282

Zobrazit plný text záznamu

A study on the interactions between coenzyme Q 0 and superoxide anion. Could ubiquinones mimic superoxide dismutase (SOD)?

Autor: Gian Paolo Littarru, Rita Petrucci, Patricia Carloni, Elisabetta Damiani, Lucedio Greci, Giancarlo Marrosu, Elisabetta Giorgini, Antonio Trazza

Publikováno v: Scopus-Elsevier

An electrochemical study was carried out on 1,4-benzoquinone, duroquinone, coenzymes Q 0 and Q 10 in the absence and in the presence of molecular oxygen in aprotic (DMF) and protic (DMF/H2O 95:5 (v/v)) media. Water was added because the investigated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63dbe59585ed8c84e1fb29747fe2a1d3
https://doi.org/10.1163/156856700x00778

Zobrazit plný text záznamu

GASEOUS EQUILIBRIA: SOME OVERLOOKED ASPECTS

Autor: Claudio Giomini, Giancarlo Marrosu, Mario E. Cardinali, Angelica Paolucci

Publikováno v: Chem. Educ. Res. Pract.. 1:145-149

For some gaseous equilibria, with particular stoichiometric characteristics, the addition of some reactant or products, as large as it may be, when operated under constant temperature and pressure, cannot cause a (practically) complete shift of the e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf1c0d4d22f63c32bda8cdacff040a01
https://doi.org/10.1039/a9rp90015b

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání