Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Marta J. Sawicka"'
Autor:
Alicja Dzienisz, Marta J. Sawicka, Maciej Jabłoński, Elwira K. Wróblewska, Mateusz Piz, Krzysztof Lubkowski, Joanna Sreńscek-Nazzal, Grażyna Dąbrowska
Publikováno v:
Polish Journal of Chemical Technology, Vol 21, Iss 4, Pp 58-65 (2019)
The enthalpy of isopropanol adsorption on ZSM-5 (Zeolite Socony Mobil Framework Type MFI) was determined by the static adsorption method at the temperature range from 20°C to 100°C. Langmuir and Huttig models of equilibrium adsorption have been use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd5ac4e6fefdfe250e6e3f51159f8ab1
https://doaj.org/article/61d3004d59c54b8e9d288663a06395c3
https://doaj.org/article/61d3004d59c54b8e9d288663a06395c3
Autor:
Elwira K. Wróblewska, Marta J. Sawicka, Jacek A. Soroka, Krzysztof Lubkowski, Alicja Dzienisz
Publikováno v:
Tetrahedron. 75:3822-3831
Oxidative photocyclization of 1-phenyl-2-(2-arylethenyl)-3,3-dimethyl-3H-indolium perchlorates leading to 7H-indolo[1,2-a]quinolinium salts was investigated. The synthesis was performed under Vis irradiation. Blue LEDs emitting at 454.5 nm were used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f52e40b52693e64280be9f3f54c237f
https://doi.org/10.1016/j.tet.2019.06.002
https://doi.org/10.1016/j.tet.2019.06.002
Autor:
Aleksandra Smorowska, Alicja Dzienisz, Marta J. Sawicka, Marcin Sadłowski, Krzysztof Lubkowski, Małgorzata Kowalska, Elwira K. Wróblewska
Publikováno v:
Polish Journal of Chemical Technology, Vol 21, Iss 1, Pp 52-58 (2019)
Ethylcellulose polymer was used as a coating material in the preparation of controlled release fertilizers. The materials have been prepared with the use of an immersion method. The mass ratio of polymer to fertilizer was in the range of 0.165–0.28
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b3f4170803f2cf887632331c42eba79
https://doaj.org/article/8fa816634a60485f81c283f4d122c231
https://doaj.org/article/8fa816634a60485f81c283f4d122c231
The application of 7H-indolo[1,2-a]quinolinium merocyanine as a new water sensor in organic solvents
Autor:
Elwira K. Wróblewska, Marta J. Sawicka
Publikováno v:
Chemicke Zvesti
The 7H-indolo[1,2-a]quinolinium merocyanine was applied as a new water sensor in organic solvents such as ethanol, propane-1-ol, propane-2-ol, DMSO, and DMF. The spectral changes of the dye caused by the addition of increasing amount of water into an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c022c53c5bfe42a6afb3b5a6cf3afb2e
https://doi.org/10.1007/s11696-017-0328-z
https://doi.org/10.1007/s11696-017-0328-z
Publikováno v:
Dyes and Pigments. 186:109033
Thermosolvatochromism of two dyes generated from hydroxyphenyl and hydroxynaphthyl derivatives of 7H-indolo[1,2-a]quinolinium salts was studied in 14 pure solvents with polarities ranging from 155.3 to 249.5 kJ mol−1 according to ET(30) polarity sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a5ceeac0b56493eceb4a8206d3a9460
https://doi.org/10.1016/j.dyepig.2020.109033
https://doi.org/10.1016/j.dyepig.2020.109033
Autor:
Marta J. Sawicka
Publikováno v:
Journal of Molecular Structure. 1098:26-33
The aggregation of some 7H-indolo[1,2-a]quinolinium dyes in aqueous solution was investigated based on UV–vis spectroscopy. The influence of pH, dye concentration, ionic strength and the addition of organic solvents on the process was studied. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::327faeadb24a98c10fa1434a640098d1
https://doi.org/10.1016/j.molstruc.2015.05.032
https://doi.org/10.1016/j.molstruc.2015.05.032
Autor:
Elwira K. Wróblewska, Niko Guskos, Grzegorz Żołnierkiewicz, Monika Gąsiorowska, Janusz Typek, Marta J. Sawicka, Jacek A. Soroka
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 124:300-307
A new solvatochromic complex of copper (II) and 3H-indolium (HQIndol) with the formula (HQIndol) 3 Cu has been synthesised and characterised by elemental analysis, UV–vis, IR spectroscopies, electron paramagnetic resonance (EPR), and static magneti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0b51a0e96a9a57cb744f05dc3d65b25
https://doi.org/10.1016/j.saa.2014.01.007
https://doi.org/10.1016/j.saa.2014.01.007
Autor:
Marta J. Sawicka, Jacek A. Soroka
Publikováno v:
Open Chemistry. 11:1239-1247
The simple and quick calibration surfaces method has been applied to the quantitative analysis of water — ethanol — methanol mixtures. The refractive index, viscosity, boiling point, density, and position of the absorption band of the solvatochro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56d9f94c20fa146af401f701e8452cd2
https://doi.org/10.2478/s11532-013-0252-1
https://doi.org/10.2478/s11532-013-0252-1
Publikováno v:
Journal of Solution Chemistry. 41:25-35
Solvatochromic studies on two new merocyanines, prepared from 5-(5-bromo-6-hydroxynaphthyl-2)-7,7-dimethyl-7H-indolo[1,2-a]quinolinium perchlorate and 5-(5-nitro-6-hydroxynaphthyl-2)-7,7-dimethyl-7H-indolo[1,2-a]quinolinium perchlorate, were performe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59635894d8b95659fb53d0f695eef4aa
https://doi.org/10.1007/s10953-011-9778-z
https://doi.org/10.1007/s10953-011-9778-z
Publikováno v:
PJCT. 12:17-22
A new method for the preparation of solvatochromic 5-(5-X-6-hydroxynaphthyl-2)-7H-indolo[1,2-a]quinolinium merocyanines A new method for the preparation of 7H-indolo[1,2-a]quinolinium solvatochromic dye precursors has been investigated. 5-(6-Hydroxyn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7938c553c6f156ae27b7931e580617bb
https://doi.org/10.2478/v10026-010-0004-3
https://doi.org/10.2478/v10026-010-0004-3