Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Dana VLASCICI"'
Autor:
Diana Anghel, Camelia Epuran, Ionela Fringu, Ion Fratilescu, Anca Lascu, Ana-Maria Macsim, Vlad Chiriac, Mihaela Gherban, Dana Vlascici, Eugenia Fagadar-Cosma
Publikováno v:
Sensors, Vol 24, Iss 17, p 5517 (2024)
A paramagnetic A3B-type Mn(III)-porphyrin was synthesized and characterized by physical–chemical methods (UV-Vis, FT-IR, 1H-NMR spectroscopy). The obtained compound was tested as a sensitive material for the spectrophotometric and potentiometric de
Externí odkaz:
https://doaj.org/article/2b0cdff9d36b444ab6c5c72d09eefcef
Autor:
Dana Vlascici, Anca Lascu, Ion Fratilescu, Diana Anghel, Camelia Epuran, Mihaela Birdeanu, Vlad Chiriac, Eugenia Fagadar-Cosma
Publikováno v:
Chemosensors, Vol 11, Iss 2, p 108 (2023)
A new sensing material, Pt(II)-5-(4-carboxyphenyl)-10,15,20-tris(4-phenoxyphenyl)-porphyrin (Pt(II)-COOH-TPOPP), was synthesized and characterized. Polymeric membranes containing the porphyrin and three different plasticizers were used as an electroa
Externí odkaz:
https://doaj.org/article/2db39c1541df42eeac9516996bbba895
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 7, Pp 1587-1594 (2019)
A novel fluorescent pH sensor based on 5-(4-carboxy-phenyl)-10,15,20-tris(phenyl)-porphyrin, as sensing agent, has been developed. The carboxyl functionalized asymmetric porphyrin has been synthesized and characterized by high performance liquid chro
Externí odkaz:
https://doaj.org/article/5d9592ad7d194c8c9d39d6eb6bcebb27
Autor:
Eugenia Fagadar-Cosma, Dana Vlascici, Gheorghe Fagadar-Cosma, Anca Palade, Anca Lascu, Ionela Creanga, Mihaela Birdeanu, Rodica Cristescu, Ileana Cernica
Publikováno v:
Molecules, Vol 19, Iss 12, Pp 21239-21252 (2014)
The present report deals with the tailoring, preparation and characterization of novel nanomaterials sensitive to CO2 for use in detection of this gas during space habitation missions. A new nanostructured material based on mixed substituted asymmetr
Externí odkaz:
https://doaj.org/article/f8e334ad1d5e47dbba51f8bfea34c06f
Autor:
Anca Lascu, Nicoleta Plesu, Diana Anghel, Mihaela Birdeanu, Dana Vlascici, Eugenia Fagadar-Cosma
Publikováno v:
Chemosensors, Vol 7, Iss 2, p 21 (2019)
Bromide ions are present in many environments, such as sedative drugs, methyl-bromide-treated vegetables and seawater. Excess bromide in humans interferes with iodide metabolism and is considered toxic. The need for fast and inexpensive methods for b
Externí odkaz:
https://doaj.org/article/3906c1eb0fbb4bb88b40928a36315835
Publikováno v:
Sensors, Vol 12, Iss 6, Pp 8193-8203 (2012)
Three A3B porphyrins with mixed carboxy-, phenoxy-, pyridyl- and dimethoxy-substituent functionalization on the meso-phenyl groups were obtained by multicomponent synthesis, fully characterized and used as ionophores for preparing PVC-based membrane
Externí odkaz:
https://doaj.org/article/6e1d154ca3bb4489ab9cb00f1238b981
Autor:
Eugenia Fagadar-Cosma, Vlad Chiriac, Elena Maria Pica, Luminita Nica, Liviu Calin Bolundut, Vasile Ostafe, Stela Pruneanu, Florina Pogacean, Liliana Olenic, Dana Vlascici
Publikováno v:
Sensors, Vol 10, Iss 10, Pp 8850-8864 (2010)
Two manganese(III) porphyrins: manganese(III) tetraphenylporphyrin chloride and manganese(III)-tetrakis(3-hydroxyphenyl)porphyrin chloride were tested as ionophores for the construction of new diclofenac−selective electrodes. The electroactive mate
Externí odkaz:
https://doaj.org/article/14a87ec081894918a253c285e79793c7
Autor:
Dana Vlascici, Nicoleta Plesu, Gheorghe Fagadar-Cosma, Anca Lascu, Mihaela Petric, Manuela Crisan, Anca Belean, Eugenia Fagadar-Cosma
Publikováno v:
Sensors, Vol 18, Iss 7, p 2297 (2018)
Pt(II) 5,10,15,20-tetra(4-methoxy-phenyl)-porphyrin (PtTMeOPP) was used in the construction of new ion-selective sensors. The potentiometric response characteristics (slope and selectivity) of iodide and bromide-selective electrodes based on (PtTMeOP
Externí odkaz:
https://doaj.org/article/ce8f13220aa341c2aefbff3be4686f42
Autor:
Liliana Olenic, Gheorghe Mihailescu, Otilia Bizerea, Viorica Cosma, Elena Maria Pica, Eugenia Fagadar Cosma, Dana Vlascici
Publikováno v:
Sensors, Vol 8, Iss 8, Pp 4995-5004 (2008)
Two functionalized porphyrins: 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin (A) and 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin (B) obtained and characterized by us were used as ionophores (I) for preparing PVC-based membrane sensors selectiv
Externí odkaz:
https://doaj.org/article/89edd24e05a54f16b5e5331852c51de0
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 10, Pp 1031-1038 (2006)
Dichloro-p-tolylphosphine, involved in a Mannich type reaction, together with o-aminophenol or 1,2- diaminopropane and acetone generated two phosphorin-2-oxide ring compounds, namely: hexahydro-3,3,5-trimethyl-2-p-tolyl-1,4,2-diazaphosphorine-2-oxide
Externí odkaz:
https://doaj.org/article/493c2150a2db42738330f68e49e0da28