Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Anna Szemik-Hojniak"'
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 329:203-212
We study the salt effect on the excited state proton transfer (ESPT) in the fluorescent probe of 2-hydroxynaphthalene (dodecylo)-6-sulphonamide (NSDA) anchored on the nonionic Brij35 micelles. The results of spectrofluorimetric, electrophoretic and e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a52ee21580049cb8ff6f83120238356d
https://doi.org/10.1016/j.jphotochem.2016.06.028
https://doi.org/10.1016/j.jphotochem.2016.06.028
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 239:118464
Zinc compounds in the form of inorganic/organic hybrids containing both zinc halides and heterocyclic ligands show various interesting optical and physicochemical properties. Due to these properties, there is a potential for development of various in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc36aec7e4c709f33cc6e3fa457d50b6
https://doi.org/10.1016/j.saa.2020.118464
https://doi.org/10.1016/j.saa.2020.118464
Autor:
Yakov P. Nizhnik, Krzysztof Oberda, Anna Szemik-Hojniak, Irena Deperasińska, Lucjan B. Jerzykiewicz
Publikováno v:
Polyhedron. 88:190-198
The crystal structure and photophysical behavior of the novel (1:1) ZnTPP–MSQNO complex composed of ZnTPP unit with axially bonded 2-(4-methoxy-trans-styryl)quinoline-1-oxide ligand (MSQNO) has been extensively investigated both in solution and in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::342e8ff8b8612bf06d4989dce1e84de0
https://doi.org/10.1016/j.poly.2014.12.025
https://doi.org/10.1016/j.poly.2014.12.025
Autor:
Giovanni Piani, Wybren Jan Buma, Grzegorz Balkowski, Irena Deperasińska, Jean Michel Mestdagh, Krzysztof Oberda, Anna Szemik-Hojniak, Hong Zhang, Lionell Poisson
Publikováno v:
The Journal of Physical Chemistry. A, 119(46), 11233-11240. American Chemical Society
The dynamics of a substituted proton sponge the 1,8-bis(dimethylamino)-4-cyanonaphthalene (DMAN-CN) molecule was investigated after excitation in the S-1 state. Experimental and theoretical information are reported. The former includes absorption, fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8169b784a913365d0f152adf0568fb9f
https://doi.org/10.1021/acs.jpca.5b06631
https://doi.org/10.1021/acs.jpca.5b06631
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 187
Styryl and/or quinoline structural fragments, present in a large number of bioactive substances, inspired the design of various new drug candidates. In this paper, we describe the photophysical behavior of trans-[2-(4-methoxystyryl)]quinoline-1-oxide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9cd745cd2ef4381fe6f5bc11021ae85
https://pubmed.ncbi.nlm.nih.gov/28689163
https://pubmed.ncbi.nlm.nih.gov/28689163
Publikováno v:
Polyhedron. 51:61-69
We have shown the X-ray crystal structure of a novel ZnTPP–(Dioxane)2 complex and the results of solution studies by means of steady state absorption and fluorescence as well as time-resolved fluorescence techniques complemented by theoretical DFT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d7c721edd0689a02edf26535bdaccf7
https://doi.org/10.1016/j.poly.2012.12.014
https://doi.org/10.1016/j.poly.2012.12.014
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 224:62-67
Photophysical behavior of 3-amino flavone (3AF) in different media has been studied using steady state and time-resolved fluorescence spectroscopy in combination with DFT and TD DFT B3LYP/6-31G (d,p) calculations involving the ground and the excited
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09b716ef5bd96dc6dc7f6c61085176a5
https://doi.org/10.1016/j.jphotochem.2011.09.007
https://doi.org/10.1016/j.jphotochem.2011.09.007
Autor:
Yakov P. Nizhnik, Irena Deperasińska, Krzysztof Oberda, Anna Szemik-Hojniak, Lucjan B. Jerzykiewicz
Publikováno v:
Polyhedron. 30:2391-2399
A novel, pentacoordinated complex of (1:1) zinc tetraphenylporphyrin and isoquinoline N-oxide (ZnTPP–IQNO) was synthesized and its crystal structure along with photophysical properties by experimental methods (absorption, steady state and time-reso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05a7fde5d79ea57334b37425894ad081
https://doi.org/10.1016/j.poly.2011.06.009
https://doi.org/10.1016/j.poly.2011.06.009
Autor:
Michał F. Rode, Karolina Osowska, Tadeusz Lis, A. Szczepanik, Sławomir Szafert, Łukasz Wiśniewski, Anna Szemik-Hojniak, Irena Deperasińska
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 217:299-307
The Cadiot–Chodkiewicz type C2-elongation of p-tolylacetylene followed by dimerization of the resulted diyne p-CH3C6H4(C C)2TMS (1) gave thermally stable octatetrayne p-CH3C6H4(C C)4-p-C6H4CH3 (2) as light yellow powder in 75% yield. Compound 2 was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95a0a7fec3c96afb251169fed6016451
https://doi.org/10.1016/j.jphotochem.2010.10.023
https://doi.org/10.1016/j.jphotochem.2010.10.023
Autor:
P. Stefanowicza, Slawomir Berski, Ł. Wiśniewski, Anna Szemik-Hojniak, A. Staszewska, Z. Szewczuka, Irena Deperasińska, Paweł Lipkowski
Publikováno v:
The Journal of Physical Chemistry A. 114:9405-9412
The photophysical properties of excited states of two hybrid dipeptides [N-(3-(2,3-diphenylquinoxaline-6-ylo)alanylo) glycine], Pe-DPhQ, and [N-(3-(2,3 (pirydine-2-ylo) quinoxaline-6-ylo)alanylo) glycine], Pe-DPiQ, have been investigated by a combine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f699e24d404e589c1cba230107adb59b
https://doi.org/10.1021/jp911285u
https://doi.org/10.1021/jp911285u