Zobrazeno 1 - 10 of 34 pro vyhledávání: '"V. S. Pavlovich"'
1
Photophysical Properties of Nanodiamonds Covalently Bonded to N-Substituted 1,8-Naphthalimide
Autor: V. S. Pavlovich, A. P. Stupak, A. P. Lugousky
Publikováno v: Journal of Applied Spectroscopy. 82:266-271
With the aim of obtaining new fluorescent biomarkers, we have synthesized nanodiamond–dye dyads which form a stable aqueous suspension. In the dyads, by means of nucleophilic substitution of the nitro group, the N-substituted 4-nitro-1,8-naphthalim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35b478d186cd7a85e60049f7aae22800
https://doi.org/10.1007/s10812-015-0096-x
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2
Nonradiative Transitions in Media of Different Polarities and Their Modeling for 12′-Apo-β-Caroten-12′-Al and 8′-Apo-β-Caroten-8′-Al
Autor: V. S. Pavlovich
Publikováno v: Journal of Applied Spectroscopy. 81:583-591
The theory of nonradiative transitions, based on the model of orientational broadening of electronic levels, is used to interpret known data on the effect of the polarity of the medium and temperature on the lifetime of the S 1(A − ) state for 12
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c987e03c2f9ee2c1b4946160e891bb5
https://doi.org/10.1007/s10812-014-9973-y
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3
Photophysical properties of powder and solutions of N-(p-methoxyphenyl)-4-octylamino-1,8-naphthalimide
Autor: V. S. Pavlovich, A. P. Lugousky, A. P. Stupak, D. I. Sagaydak
Publikováno v: Journal of Applied Spectroscopy. 80:524-529
The photophysical properties of N-(p-methoxyphenyl)-4-octylamino-1,8-naphthalimide (OANI) were investigated. The molar extinction coefficient, quantum yield, fluorescence lifetime, and other data were presented for OANI in EtOH. Intramolecular electr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::740f84198772c5a1da0800240010664f
https://doi.org/10.1007/s10812-013-9799-z
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5
Absorption and fluorescence spectra of C60 fullerene concentrated solutions in hexane and polystyrene at 77–300 K
Autor: V. S. Pavlovich, E. M. Shpilevsky
Publikováno v: Journal of Applied Spectroscopy. 77:335-342
The locations of the $$ 0_0^0 $$ -bands for S1← S0 and S1 → S0 transitions have been found for C60 solutions in hexane. It is shown that the profile of the S1 ← S0 band is mainly shaped by hu(4), t1u(4)- and hg(1), ag(2)- modes that are active
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc76240973f7a3608c54534dbd84aaa0
https://doi.org/10.1007/s10812-010-9336-2
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6
Absorptivity and fluorescence properties of 9,10-diiodoanthracene in solutions
Autor: L. G. Pikulik, A. P. Stupak, D. T. Kozhich, T. A. Pavich, V. S. Pavlovich
Publikováno v: Journal of Applied Spectroscopy. 75:319-324
The molar extinction coefficient, oscillator strength, natural fluorescence lifetime, and fluorescence quantum yield have been determined for 9,10-diiodoanthracene in ethanol at 20°C. The temperature effect on the quantum yield was studied in the ra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63011acd94888e1faa5b633d3db43bd5
https://doi.org/10.1007/s10812-008-9048-z
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7
Solvatochromic shift of the 0-0 phosphorescence band and change of polarizability in the a 1δg → X 3Σ g − -transition in the oxygen molecule
Autor: V. S. Pavlovich
Publikováno v: Journal of Applied Spectroscopy. 74:501-507
We used known experimental data to analyze the influence of intermolecular interactions on the position of the 0-0-band a1Δg → X3Σ g − phosphorescence of molecular oxygen in solutions. A bathochromic (red) shift caused by dispersion interaction
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9417119180cb5332fbba0bc1d5e23eef
https://doi.org/10.1007/s10812-007-0080-1
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8
Dispersion interactions, electronic absorption spectra of anthracenes in polar glassy media at 77–300 K, and the change in polarizability upon excitation
Autor: V. S. Pavlovich
Publikováno v: Journal of Applied Spectroscopy. 74:180-187
The effect of dispersion interactions on the electronic spectra of organic compounds is analyzed within second-order perturbation theory. A formula is obtained which makes is possible to determine the change in the polarizability of the molecules upo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b5527ac8d7dd93f28fdee80524686e0
https://doi.org/10.1007/s10812-007-0028-5
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9
Model for primary electron transfer and coupling of electronic states at reaction centers of purple bacteria
Autor: V. S. Pavlovich
Publikováno v: Journal of Applied Spectroscopy. 73:328-339
A detailed derivation is presented for relations making it possible to describe the effect of temperature on the halfwidth of the P960 and P870 absorption bands and also on the electron transfer (ET) rate at reaction centers (RCs) of the purple bacte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df11b0286549de2b12bcd4504deb9cfc
https://doi.org/10.1007/s10812-006-0079-z
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10
Determination of the Dipole Moments of Excited Complexes of Polar Compounds in Proton-Donor Solvents by the Quenching of their Fluorescence
Autor: V. S. Pavlovich
Publikováno v: Journal of Applied Spectroscopy. 72:196-201
A method of determining the permanent dipole moment of polar compounds in the excited S1 state by the dependence of the rate of radiationless conversion of the energy of this state on the polarity of the solvent (medium) is proposed. The method was u
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ecc7467b4eb834cb3bc6d3b855d3b230
https://doi.org/10.1007/s10812-005-0054-0
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