Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Danuta Grabka"'
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 193:492-498
Two derivatives of pyrazoloquinoline with pyridyl moiety: 6-N,N-dimethyl-3-phenyl-1-(2-pyridyl)-1H-pyrazolo[3,4-b]quinoline (DMA-1PPhPQ) and 6-N,N-dimethyl-1,3-(di-2-pyridyl)-1H-pyrazolo[3,4-b]quinoline (DMA-1,3PPQ) were synthesized with commercial s
Publikováno v:
Dyes and Pigments. 195:109713
A new fluorescent 1H-pyrazolo[3,4-b]quinoline derivative (PQ4K) with a crown moiety was synthesized and investigated as a potential sensor for certain cations. Ultraviolet–visible spectroscopy was used to investigate the spectral properties of PQ4K
Publikováno v:
Optical Materials. 66:527-533
The new electron donor-acceptor dye, 6-N,N-dimethyl-3-pyridyl-1-phenyl-1H-pyrazolo[3,4-b]quinoline (DMA-3PPhPQ) was synthesized. Spectral properties of DMA-3PPhPQ were investigated in a great number of organic solvents with different polarity. The re
Publikováno v:
Journal of Fluorescence
The new derivative of coumarin (E)-3-[7-(diethyloamino)-2-oxo-chromen-3yl]-2-(tiophene-2-carbonyl)prop-2-enenitrile (NOSQ) was easy synthesized with commercial substrates as a result of the search of new Michael type addition sensors based on coumari
Publikováno v:
Applied Clay Science. 114:321-329
Adsorption behavior of prometryn (2,4-bis (isopropylamino)-6-methylthio-s-triazine) on halloysite minerals has been studied in order to consider the application of such adsorbents in water purification. Halloysite, activated in various ways, was char
Autor:
Stanisław Styrcz, Andrzej Danel, Wojciech Boszczyk, Yuriy Stepanenko, Danuta Grabka, Marta Kubik, Krystyna Rotkiewicz
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 180:80-87
Acid–base properties of 3,5-dimethyl-1,7-diphenyl-bis-pyrazolo-[3,4-b;4′,3′- e ]-pyridine (BPP) in the ground state and in the first excited singlet state were investigated in non-aqueous solutions. Absorption and stationary fluorescence spectr
Autor:
Knut Rurack, Danuta Grabka, Monika Spieles, Krystyna Rotkiewicz, Andrzej Danel, Wolfgang Rettig
Publikováno v:
Organic Letters. 4:4647-4650
[structure: see text] The 1,3-diphenyl-1H-pyrazolo[3,4-b]-quinoline chromophore is a versatile building block for the construction of brightly fluorescent molecular sensors. Facile synthetic procedures allow integration of the chromophore into fluoro
Publikováno v:
Journal of Fluorescence; Nov2019, Vol. 29 Issue 6, p1393-1399, 7p