Infekcija virusom Zapadnog Nila s neurološkim poremećajima: prikaz slučaja i kratak pregled stanja u Bugarskoj

A case of a 66-year-old man with West Nile neuroinvassive disease manifested with fever, weakness, fa-tigue, consciousness disorders and underlying diabetes mellitus type 2 and cardiovascular diseases is pre-sented. Laboratory data showed elevated erythrocyte sedimentation rate and fibrinogen. Serological tests revealed West Nile virus specific antibodies of class IgM and IgG in serum. West Nile virus RNA was de-tected in urine sample. Supportive therapy was applied.Prikazuje se slučaj 66-godišnjeg bolesnika s neuroinvazivnom bolešću Zapadnog Nila koja se manifestirala grozni-com, umorom, poremećajem svijesti uz osnovnu bolest dijabetesa tipa 2 i kardiovaskularnom bolešću. Laboratorij-ski podaci pokazali su povišenu sedimentaciju i fibrinogen. Serološki testovi utvrdili su protutijela specifična za virus Zapadnog Nila klase IgM i IgG u serumu. Virusna RNA otkrivena je u uzorku mokraće. Primijenjena je suportivna terapija

Stark broadening of B IV lines for astrophysical and laboratory plasma research

Stark broadening parameters for 36 multiplets of B IV have been calculated using the semi-classical perturbation formalism. Obtained results have been used to investigate the regularities within spectral series and temperature dependence.Comment: 8 pages, 6 figures, 1 table, in press in Advances in Space Researc

Stark broadening of B IV spectral lines

Stark broadening parameters for 157 multiplets of helium like boron (B IV) have been calculated using the impact semiclassical perturbation formalism. Obtained results have been used to investigate the regularities within spectral series. An example of the influence of Stark broadening on B IV lines in DO white dwarfs is given.Comment: 6 pages, 2 figure

Stark widths of Lu II spectral lines

International audienceStark widths for 19 lines in the spectrum of singly charged lutetium ion have been calculated using modified semiempirical method for an electron density of 1017cm-3 and temperatures from 5 000 K up to 80 000 K. The obtained results have been used for the investigation of the influence of Stark broadening on Lu II spectral lines in stellar atmospheres and for the investigations of Stark width regularities. In the case of Lu II lines considered in this work, Stark broadening is important for white dwarfs but can be neglected in A-type star atmospheres

Stark Broadening of Zn III Spectral Lines

Stark widths for spectral lines within 24 multiplets of Zn III singlets and triplets have been calculated using modified semiempirical method for an electron density of 1017 cm−3 and temperatures from 5000 K up to 100,000 K. The obtained results have been used for the investigation of the influence of Stark broadening on Zn III spectral lines in stellar atmospheres and for the considerations of Stark width similarites within supermultiplets and transition arrays

Stark broadening of Pd II spectral lines

International audienceAbstract Stark widths for 47 spectral lines of singly charged palladium ion (Pd II) have been calculated with the help of the modified semiempirical method. The calculations have been performed for an electron density of 10 17 cm −3 and for a temperature range from 5 000 K up to 80 000 K. Employing the obtained results, we investigated the influence of Stark broadening in Pd II spectra of DB and DO white dwarfs as well as A type stars. Moreover, similarities and regularities of Stark widths of Pd II spectral lines within a multiplet, a supermultiplet and a transition array have been discussed

Stark Broadening of Zn III Spectral Lines

Stark widths for spectral lines within 24 multiplets of Zn III singlets and triplets have been calculated using modified semiempirical method for an electron density of 1017 cm−3 and temperatures from 5000 K up to 100,000 K. The obtained results have been used for the investigation of the influence of Stark broadening on Zn III spectral lines in stellar atmospheres and for the considerations of Stark width similarites within supermultiplets and transition arrays

Stark broadening of visible Ar I spectral lines

International audienceStark broadening parameters (width and shift) of six Ar I spectral lines: 522.1, 549.6, 518.6, 560.7, 603.2 and 696.5 nm, corresponding to the transitions 3p5nd -->3p5 4p for n=7 5 and 4p'-->4s have been calculated on the basis of the impact theory within the semi-classical perturbation approach. The case of the quasistatic ions has also been examined. The conditions of use of the presented results have been discussed. The considered lines are in the optical part of the spectrum and are of interest for laboratory research, particularly surface wave sustained discharges, and astrophysical purposes. The obtained results are compared with published experimental results and values calculated by other authors. The influence of the used coupling (j{\text-}L or LS) and oscillator strengths (The Opacity Project (TOP) database or Coulomb approximation) has also been considered

Stark broadening of Zn II spectral lines

International audienceStark broadening parameters, full widths at half intensity maximum, and shifts for 34 multiplets of singly charged zinc ion have been calculated using the impact semiclassical perturbation formalism. Stark broadening parameters due to collisions with electrons, protons, and helium ions have been obtained for a grid of electron densities and temperatures. The obtained results have been used to demonstrate the influence of Stark broadening mechanism on spectral lines of Zn II in stellar atmospheres

Stark broadening of B I spectral lines

International audienceWe calculated widths and shifts due to collisions with electrons, protons, and He II ions for 66 multiplets of neutral boron, using the semiclassical perturbation theory. The range of temperatures is from 2500 to 50 000 K and electron density values are within the range 1011-1019 cm-3. The obtained Stark broadening parameters have been compared to other theoretical and experimental results