Vol. 78 No. 3 (2025)

Published: 28-03-2025

Full Issue

Table of Contents

Mathematics

Moment Generating Function of the Averaged Log-returns in the Heston's Stochastic Volatility Model

Tsvetelin S. Zaevski, Dragomir C. Nedeltchev

321–330
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Biology

Seasonal Variability of Ambient Bioaerosol Concentrations over Densely Populated Central Area in Sofia, Bulgaria: Focus on Spring and Summer

Mihail Iliev, Ralitsa Ilieva, Ivan Nedkov, Anton Pelkin, Viktoria Terziyska

331–339
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Antiproliferative and Cytotoxic Effects of Exopolisaccharides from Arthronema africanum on Panel of Human Cell Lines

Inna Sulikovska, Tanya Toshkova-Yotova, Rossitsa Hristova, Vera Djeliova, Reneta Toshkova, Ani Georgieva

340–347
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In Silico Analysis of the Interaction of Human Interferon γ C-terminal Peptide and Heparan Sulphate Derived Octasaccharides

Peicho Petkov, Elena Lilkova, Cvetina Nedeva, Leandar Litov, Nevena Ilieva

348–355
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On the Occurrence of Ladybirds on Broadleaved Trees in the Urban Habitats of Bulgaria

Terézia Jauschová, Daniela Pilarska, Marek Barta, Danail Takov, Ján Kulfan

356–363
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Improved Procedures for Human Granulosa Cell Isolation and Long-term in Vitro Expansion

Milena Kostadinova, Tsvetelina Oreshkova, Ivaylo Vangelov, Maria Yunakova, Tanya Timeva, Ivan Bochev

364–372
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Geology

Meionite ($$Me > 60$$) from Mishevsko, Central Rhodopes – First Find of Yellow LW UV Fluorescent Scapolite for Bulgaria

Vladislav Kostov-Kytin, Iskra Piroeva, Stela Atanasova, Petko Petrov

373–382
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Geophysics

A New Empirical Relation Converting Magnitude Applied in Bulgarian Seismological Practice $$(\rm M_P)$$ to Moment Magnitude $$(\rm M_W)$$

Plamena Raykova, Dimcho Solakov, Stela Simeonova

383–392
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Implementation of Coupled Regional-to-local Scale Modelling System in Bulgaria – Air Quality Study for the City of Sofia

Reneta Dimitrova, Margret Velizarova, Georgi Gadzhev, Angel Burov, Danail Brezov

393–401
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Space Sciences

Ionospheric Disturbances during Strong Geomagnetic Storm St. Patrick on 17 March 2015

Rumiana Bojilova, Plamen Mukhtarov, Petra Koucká Knižová, Katya Georgieva, Boian Kirov

402–409
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Engineering Sciences

Impact Loading on RC Cantilever Beam

R. Tuğrul Erdem, Engin Gücüyen

410–418
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Corrosion Resistance and Antifouling Performance of Selective Plated Nickel-based Coatings with Silver Particles

Radostina Yankova, Ivan Rusev

419–427
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Path Following Control of Bi-steerable Cars: a Lyapunov-based Approach

Plamen Petrov, Ivan Kralov

428–440
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Medicine

Comparison of Anti-receptor Binding Domain of SARS-CoV-2 Spike Protein Humoral Response between Infected, Vaccinated and Vaccinated after Natural Exposure Subjects over 12-months Follow-up Period

Viktoria Pencheva, Aleksandar Kolevski, Snezhina M. Kandilarova

441–449
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Association of Vitamin D and Certain Lifestyle Habits with Sperm Quality

Todorka Sokrateva, Galina Nenkova, Milka Nashar, Ayshe Salim, Silviya Nikolova, Diana Ivanova, Bogdan Roussev

450–460
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COVID-19-induced Kidney Injury – Analysis and Prognosis

Aneliya Gotseva, Liliya Grahlyova

461–468
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Diagnostic Challenge of Adult-onset Vitelliform Macular Dystrophy

Elena Mermeklieva

469–477
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Combined Foot and Eye Dominance Scale in Female Patients with Schizophrenia and Female Healthy Subjects – Compact and Easily Applicable Instrument for Assessment of Laterality

Katerina Akabalieva, Asen Beshkov, Vasil Kotetarov

478–488
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