Zobrazeno 1 - 10
of 70
pro vyhledávání: '"N. Gadjev"'
Autor:
Uliana Tarabara, Olga Ryzhova, Kateryna Vus, Atanas Kurutos, Valeriya Trusova, Galyna Gorbenko, N. Gadjev, Todor Deligeorgiev
Publikováno v:
East European Journal of Physics, Vol 5, Iss 4, Pp 22-29 (2019)
The applicability of the novel cyanine dye AK 3-1 to the detection and characterization of pathogenic protein aggregates, amyloid fibrils, was tested using the absorption spectroscopy technique. In an organic solvent dimethyl sulfoxide (DMSO), absorp
Externí odkaz:
https://doaj.org/article/07f11ebbafac44d5b916d336cd84d2c5
Autor:
U. Tarabara, K. Vus, A. Kurutos, O. Ryzhova, V. Trusova, G. Gorbenko, N. Gadjev, T. Deligeorgiev
Publikováno v:
East European Journal of Physics, Vol 5, Iss 1, Pp 41-46 (2018)
The applicability of the novel heptamethine cyanine dyes AK7-5 and AK7-6 to the detection and characterization of one-dimensional protein aggregates (amyloid fibrils) associated with numerous pathologies has been evaluated using the method of fluores
Externí odkaz:
https://doaj.org/article/f8ba494cabcb410fb8c0cd4ecb0c21bf
Publikováno v:
East European Journal of Physics, Vol 3, Iss 3, Pp 25-34 (2016)
Squaraines represent a class of organic dyes operating in red and near-infrared regions. Due to their unique optical characteristics, such as high extinction coefficients, reduced background fluorescence and light scattering, photostability, these fl
Externí odkaz:
https://doaj.org/article/a4159316674a45ce94d1d2eb60ed0666
Autor:
Stela Minkovska, Alexander S. Peregudov, Atanas Kurutos, Sergey V. Tkachenko, N. Gadjev, Ekaterina Y. Chernikova, Nikolay E. Shepel, Yuri V. Fedorov, Olga A. Fedorova, Ivan A. Godovikov, Todor Deligeorgiev
Publikováno v:
Dyes and Pigments. 131:206-214
The host–guest interaction between bis(styryl)pyridinium dye ( BSP ) and cucurbit[7]uril (CB[7]) was studied by means of optical spectroscopy, 1 H and 2D (COSY, ROESY, DOSY) NMR spectroscopy and electrospray ionization mass spectrometry in differen
Autor:
Todor Deligeorgiev, N. Gadjev, Olga Ryzhova, Valeriya Trusova, Uliana Tarabara, Galyna Gorbenko, Atanas Kurutos, Kateryna Vus
Publikováno v:
East European Journal of Physics, Vol 5, Iss 4, Pp 22-29 (2019)
The applicability of the novel cyanine dye AK 3-1 to the detection and characterization of pathogenic protein aggregates, amyloid fibrils, was tested using the absorption spectroscopy technique. In an organic solvent dimethyl sulfoxide (DMSO), absorp
Autor:
Atanas Kurutos, Galyna Gorbenko, Valeriya Trusova, Olga Ryzhova, N. Gadjev, Todor Deligeorgiev
Publikováno v:
Journal of Fluorescence. 26:177-187
A series of symmetric pentamethine cyanine dyes derived from various N-substituted benzothiazolium/benzoselenazolium salts, and a conjugated bis-aniline derivative containing a chlorine atom at meso-position with respect to the polymethine chain, wer
Autor:
Nedyalko Lesev, Todor Deligeorgiev, Alexi Alexiev, Stefka Kaloyanova, Aleksey Vasilev, N. Gadjev
Publikováno v:
Coloration Technology. 128:417-424
Three novel general experimental procedures for preparation of cationic, neutral dimethinehemicyanine and dimethine dyes (eight of which are unpublished) by uncatalysed Knoevenagel condensation have been developed. The proposed methods are versatile
Autor:
M. Yu. Losytskyy, Aleksey Vassilev, Vladyslava B. Kovalska, N. Gadjev, Sergiy M. Yarmoluk, V.P. Tokar, K.H. Drexhage, Todor Deligeorgiev
Publikováno v:
Journal of Biochemical and Biophysical Methods. 68:155-165
The series of recently synthesized monomeric and homodimeric cyanine dyes based on monomethine cyanine chromophore with oxazolo[4,5-b]pyridinium and quinoline end groups [Vassilev A, Deligeorgiev T, Gadjev N, Drexhage K-H. Synthesis of novel monomeri
Publikováno v:
Molbank, Vol 2016, Iss 4, p M920 (2016)
A novel method for the preparation of 3-(2-hydroxyethyl)-2-methylbenzothiazolium bromide was developed. It consists of heating of 2-methylbenzothiazole, 2-bromoethanol and ethoxyethanol for 2 h. On the next day the precipitate was filtered and air dr
Autor:
N. Gadjev, Todor Deligeorgiev
Publikováno v:
ChemInform. 22
The synthesis of some novel asymmetrical trimethinecyanine dyes containing pyrylium and heterocyclic rings as end groups is described. The absorption maxima of the dyes is within the range 687–793 nm.