Vol. 58 No. 3 (2023): Volume 58, Issue 3

Articles

• Investigation of mechanical properties of a novel lotus fibre reinforced epoxy composites

  Narendiranath Babu Thamba, Rohith Bhupalam, Rama Prabha Duraiswamy, Sai Durga Prasad Kasthala, Anurag Samudrala, Sunitha Venugopal, Mangalaraja Ramalinga Viswanathan

  425-434

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• Application possibilities of biomass from fennel fruits

  Milena Nikolova, Martina Pencheva, Milen Dimov, Bozhidar Bozadzhiev, Lazar Lazarov, Stanka Damyanova, Veska Lasheva, Albena Stoyanova

  435-444

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• Estimation of biochemical methane potential of high protein Spirulina biomass

  Todor Ivanov, Ivo Lalov

  445-450

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• Study of model reaction of synthesis of n-butyl acetate using IR spectroscopy in solution

  Sirine Jaber, Milena Nedkova-Shtipska

  451-455

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• IR-spectroscopy, thermophysical and mechanical properties of glasses in the system Na₂O/BaO/TiO₂/B₂O₃/SiO₂/Al₂O₃

  Ruzha Harizanova, Valentin Gaydarov, Ivailo Gugov, Galina Zamfirova, Irena Mihailova, Martin Pernikov, Christian Rüssel

  456-466

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• Characterization of silica (SiO₂) based on beach sand from Sulawesi and Sumatra as silicon carbide (SiC) base material

  Meytij Jeanne Rampe, Johny Zeth Lombok, Vistarani Arini Tiwow, Soenandar Milian Tompunu Tengker, Jeniver Bua

  467-476

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• Synthesis of NdMnO₃, Nd_0.6Pb_0.4MnO₃ and (La_0,7Nd_0,3)_0.6Pb_0.4MnO₃ nanopowders by mechano-chemical activation

  Anna Staneva, Janna Mateeva

  477-484

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• Use of new solid carbon-containing reducing agent in the production of technical silicon

  Gulnara Ulyeva, Irina Volokitina

  485-492

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• Sintering of a fine fraction from “Grancharitsa” deposit in laboratory conditions

  Petar B. Petrov

  493-498

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• Composite materials from industrial waste by spark plasma sintering method

  Gulzhainat Akhmetova, Gulnara Ulyeva, Kurmet Tuyskhan, Irina Volokitina

  499-506

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• Electrochemical extraction and characterization of a recovery tin

  Dimka I. Fachikova, Ludmil B. Fachikov

  507-512

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• Municipal solid waste and non-hazardous waste processing for sustainable circular economy through blockchain

  Teodora Hristova, Nikolay Savov, Nikolay Yanev

  513-521

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• Simulation of pollutants dispersion by a stack: А case study

  Fatemeh Bahadori

  522-528

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• Assessment of the impact of some meteorological factors on the energy and environmental efficiency of tube rotary kilns

  Rayko Stanev, Iliyan Mitov, Ivan Shtaplev, Vasil Harizanov

  529-536

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• On the growth kinetics of lamellar ternary eutectics of the αβγ-kind

  Lubomir Andreev Anestiev

  537-549

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• Antimicrobial activities of amphiphilic derivatives of α-amino acids

  Vasilena K. Kondova, Daniela S. Tsekova, Borislav A. Anchev, Juan F. Miravet, Cesar Angulo-Pachón

  552-564

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• Peptides and peptidоmimetics in neuropharmacology (Review)

  Eleonora N. Encheva-Stoykova, Daniela S. Tsekova, Hristian Staykov, Reni Kalfin, Lyubka P. Tancheva

  565-571

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• Antimicrobial profile of extracts from the fungus species Lepista personata

  Veronica Nemska, Spaska Yaneva, Nelly Georgieva, Dancho Danalev

  572-576

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• Synthesis of fluorenated analogues of self-assembling peptide P_11-4 and study on P_11-4 therapeutic effect on artificial initial enamel lesions

  Irina Uzunova, Iliyan Dobrev, Dancho Danalev, Ralitsa Raycheva, Kostadin Georgiev, Svetla Petrova, Tanya Nihtianova, Ani Belcheva

  577-586

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• Synthesis of peptide analogs of VV-Hemorphin-7 – antinociceptive and antihyperalgesic effect

  Daniela M. Pechlivanova, Borislav V. Assenov, Polina I. Mateeva, Elena B. Dzhambazova, Petia N. Peneva, Petar T. Todorov

  587-592

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• Study of effects of newly synthesised nociceptin analogues on the endocannabinoid system and pain after chronic immobilization stress

  Ivelina Himcheva, Galya Stavreva, Emilia Naydenova, Adriana Bocheva

  593-601

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• Cytotoxicity of copper doped SiO₂-hydroxypropyl cellulose composites on cancer and non-cancerous cells

  Tsvetelina Foteva, Teodora Vukova, Nadezhda Rangelova, Nelly Georgieva, Rumiana Tzoneva

  602-607

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• Evidence for biological effects of the hexapeptide novokinin

  Paraskevas E. Pakataridis, Filippos S. Chelmis, Borislav V. Assenov, Elena B. Dzhambazova, Daniela M. Pechlivanova

  608-614

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• Modeling, synthesis and in vitro screening of unusual amino acids and peptides as protease inhibitors

  Armen Sargsyan, Heghine Hakobyan, Zorayr Mardiyan, Silva Jamharyan, Ani Dadayan, Tatevik Sargsyan, Nelli Hovhannisyan

  615-620

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• Computational predictions of site of metabolism of a pyrrolebased compound as a potential antitubercular agent

  Alexandrina Mateeva, Lily Peikova, Maya Georgieva

  621-626

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• Memory-improving effects of myrtenal-adamantane conjugates

  Stela Dragomanova, Velichka Andonova, Maria Lazarova, Aldar Munkuev, Evgeny Suslov, Konstantin Volcho, Neriman Salakhutdinov, Miroslava Stefanova, Petya Gavrilova, Diamara Uzunova, Reni Kalfin, Lyubka Tancheva

  627-634

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