Zobrazeno 1 - 10
of 1 379
pro vyhledávání: '"Christova, P"'
Autor:
Zamanov, R., Stoyanov, K. A., Latev, G., Marti, J., Takey, A., Elhosseiny, E. G., Christova, M. D., Minev, M., Vujcic, V., Moyseev, M., Marchev, V.
We performed optical photometry and spectral observations of the symbiotic stars 4U1954+319 and ZZ CMi. For 4U1954+319 using high-resolution spectra we measure the equivalent widths of diffuse interstellar bands and estimate the interstellar reddenin
Externí odkaz:
http://arxiv.org/abs/2402.14378
Autor:
Zamanov R., Stoyanov K.A., Latev G., Marti J., Takey A., Elhosseiny E.G., Christova M.D., Minev M., Vujčić V., Moyseev M., Marchev V.
Publikováno v:
Serbian Astronomical Journal, Vol 2024, Iss 208, Pp 41-46 (2024)
We performed optical photometry and spectral observations of the symbiotic stars 4U1954+319 and ZZ CMi. For 4U1954+319, using high-resolution spectra, we, measure the equivalent widths of diffuse interstellar bands (DIBs) and estimate the interstella
Externí odkaz:
https://doaj.org/article/c05d390d79ed4d7f8aadeb1f1b977d9a
Publikováno v:
Int.J.Mod.Phys.A Vol. 38, No. 21, 2350109 (2023)
The goal of this study is to check which, if any, of the published versions of the pion and kaon fragmentation functions is compatible with the STAR data on semi-inclusive pion and kaon production in proton-proton collisions, and on the basis of this
Externí odkaz:
http://arxiv.org/abs/2205.02516
Autor:
Petya Argirova, Yordan Kalchev, Petar Vasilev, Iva Christova, Mariyana Stoycheva, Marianna Murdjeva
Publikováno v:
Biotechnology & Biotechnological Equipment, Vol 38, Iss 1 (2024)
West Nile virus (WNV) is transmitted via mosquito bites and causes ubiquitous zoonosis. Most infections in humans are asymptomatic, approximately 20% present as fever, and less than 1% as neuroinvasive disease. Central nervous system involvement is p
Externí odkaz:
https://doaj.org/article/ec08fc611f65497ebc8734d738122ae3
Autor:
I. Trifonova, N. Korsun, I. Madzharova, P. Velikov, I. Alexsiev, L. Grigorova, S. Voleva, R. Yordanova, I. Ivanov, T. Tcherveniakova, I. Christova
Publikováno v:
Heliyon, Vol 10, Iss 7, Pp e29258- (2024)
Introduction: Endemic human coronaviruses (eHCoVs) are found worldwide and usually result in mild to moderate upper respiratory tract infections. They can lead to more severe illnesses such as croup, bronchiolitis, and pneumonia in vulnerable populat
Externí odkaz:
https://doaj.org/article/1b75a336f3f445c2bb6ca635ab4c83ce
Autor:
Neli Korsun, Ivelina Trifonova, Iveta Madzharova, Ivaylo Alexiev, Iordanka Uzunova, Ivan Ivanov, Petar Velikov, Tatiana Tcherveniakova, Iva Christova
Publikováno v:
Frontiers in Microbiology, Vol 15 (2024)
BackgroundRespiratory syncytial virus (RSV) is a common cause of upper and lower respiratory tract infections. This study aimed to explore the prevalence of respiratory syncytial virus (RSV) and other respiratory viruses in Bulgaria, characterize the
Externí odkaz:
https://doaj.org/article/65e074232c084eee9d16b64caf9ba3bd
Autor:
Stefka Krumova, Radostina Stefanova, Petia Genova-Kalou, Daniel Ivanov, Maria Pishmisheva, Stanislav Kotsev, Iva Christova
Publikováno v:
Journal of Clinical Medicine, Vol 13, Iss 16, p 4856 (2024)
Background/Objectives: Monkeypox (mpox) is currently the most common orthopoxvirus (OPXV) zoonotic disease, and, since 2022, there has been atypical person-to-person transmission observed in non-endemic countries. The present study aimed to investiga
Externí odkaz:
https://doaj.org/article/e93ea10642c044b09e5a1f021502bba6
Publikováno v:
Problems of Infectious and Parasitic Diseases, Vol 51, Iss 2 (2024)
Background: Lymphocytic choriomeningitis virus (LHMV) infection is a neglected rodent-borne zoonotic infection but it is found all over the world because of the cosmopolitan distribution of its reservoirs. The diagnostic of this disease is not widely
Externí odkaz:
https://doaj.org/article/c03e6347eb9b400b8d826c52bcdc998b
Autor:
Petya K. Christova, Ana M. Dobreva, Anatoli G. Dzhurmanski, Ivayla N. Dincheva, Stela D. Dimkova, Nadejda G. Zapryanova
Publikováno v:
Life, Vol 14, Iss 7, p 817 (2024)
Essential oils (EOs) extracted from aromatic and medicinal plants have the potential to inhibit the growth of various pathogens and, thus, be useful in the control of dangerous diseases. The application of environmentally friendly approaches to prote
Externí odkaz:
https://doaj.org/article/310b4c4d2ca14bc08fc2d666320bc260
Autor:
Petya Koeva Christova
Publikováno v:
Life, Vol 14, Iss 6, p 720 (2024)
A number of Phytophthora species have been identified as destructive plant pathogens and invasive species. They have the potential to affect a wide range of host plants and cause diseases in agricultural and forest ecosystems. Two Phytophthora specie
Externí odkaz:
https://doaj.org/article/d40bdedd507c47359f505051497082a9