Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Plamen Penchev"'
Publikováno v:
Molbank, Vol 2024, Iss 3, p M1864 (2024)
The structure verification of 5′-oxospiro-(fluorene-9,4′-imidazolidine)-2′-thione by NMR is reported. Toward this aim, 2D NMR techniques including 1H-1H COSY, HMQC, and HMBC experiments were used to assist with the assignment of the 1H and 13C
Externí odkaz:
https://doaj.org/article/c0ab65d5d15a492493135681f6a9e16a
Publikováno v:
Crystals, Vol 14, Iss 10, p 871 (2024)
A combination of 1D and 2D NMR techniques, including HMQC, HSQC, 1H-1H COSY and HMBC, was used to provide completely assigned 1H and 13C NMR data for the structures of three 3-[substituted methylidene]-1H,3H-naphtho[1,8-cd]-pyran-1-ones—3-[(4-metho
Externí odkaz:
https://doaj.org/article/b10b513ae16b430a8ae55b04be61dacf
Autor:
Petya Marinova, Dimitar Stoitsov, Nikola Burdzhiev, Slava Tsoneva, Denica Blazheva, Aleksandar Slavchev, Evelina Varbanova, Plamen Penchev
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6601 (2024)
The goal of this study is to synthesize, determine the structure, and examine the antimicrobial properties of novel Cu(II) and Au(III) complexes of 2,4-dithiouracil and its derivatives. These complexes were obtained by mixing aqueous solutions of the
Externí odkaz:
https://doaj.org/article/054a3ed8c82648e69e4835be5f7870c6
Publikováno v:
Heliyon, Vol 9, Iss 7, Pp e17485- (2023)
In the dynamic yet uncertain environment of Industry 4.0, industrial companies are utilizing the benefits of contemporary technologies in manufacturing by striving to implement optimization models in each stage of the decision-making process. Many or
Externí odkaz:
https://doaj.org/article/2131bb90fcff4356999867302626b1b8
Autor:
Petya Marinova, Mariyan Hristov, Slava Tsoneva, Nikola Burdzhiev, Denica Blazheva, Aleksandar Slavchev, Evelina Varbanova, Plamen Penchev
Publikováno v:
Applied Sciences, Vol 13, Iss 24, p 13150 (2023)
The aim of the present study is to synthesize new metal complexes of 6-methyl-2-thiouracil and 6-propyl-2-thiouracil, elucidate their structures, and investigate their biological properties. All metal complexes were obtained after mixing water soluti
Externí odkaz:
https://doaj.org/article/668f05137be94114aa9eba1699595a3b
Autor:
Ivan Lyutakov, Francesco Ursini, Plamen Penchev, Giacomo Caio, Antonio Carroccio, Umberto Volta, Roberto De Giorgio
Publikováno v:
BMC Gastroenterology, Vol 19, Iss 1, Pp 1-11 (2019)
Abstract Background Bile acid malabsorption (BAM) and bile acid-related diarrhea represent an under-recognized cause of chronic diarrhea mainly because of limited guidance on appropriate diagnostic and laboratory tests. We aimed to perform a systemat
Externí odkaz:
https://doaj.org/article/8bf70f5399994bbfb3168573b70d632e
Autor:
Petja Emilova Marinova, Marin Marinov, Maria Kazakova, Yana Feodorova, Alexander Slavchev, Denica Blazheva, Danail Georgiev, Plamen Penchev, Victoria Sarafian, Neyko Stoyanov
Publikováno v:
Acta Chimica Slovenica, Vol 63, Iss 1, Pp 26-32 (2016)
This work describes a method for synthesis, as well as in vitro antiproliferative and antibacterial investigation of 3-methyl-9′-fluorenespiro-5-hydantoin. The structure of the substituted fluorenylspirohydantoin derivative was verified by UV-Vis,
Externí odkaz:
https://doaj.org/article/3121bc4a68c545b0afd1969d85aa0726
Autor:
Stefan Schreiber, Peter M. Irving, Ala I. Sharara, María Dolores Martín‐Arranz, Xavier Hébuterne, Plamen Penchev, Silvio Danese, Prodromos Anthopoulos, Gamar Akhundova‐Unadkat, Filip Baert
Publikováno v:
Alimentary Pharmacology & Therapeutics. 55:658-669
Recruitment rates for Crohn's disease and ulcerative colitis clinical trials continue to decrease annually. The inability to reach recruitment targets and complete trials has serious implications for stakeholders in the inflammatory bowel disease (IB
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80467fc8a3fc3c29e37b9bc07d4cd8a9
https://doi.org/10.1111/apt.16781
https://doi.org/10.1111/apt.16781
Autor:
Hristo Valkov, Plamen Penchev, Plamen Getsov, Mila Kovacheva-Slavova, Borislav Vladimirov, Todor Asenov Angelov, Ivan Lyutakov
Publikováno v:
Acta Medica Bulgarica, Vol 48, Iss 3, Pp 30-33 (2021)
Diffuse idiopathic skeletal hyperostosis (DISH) is a common but underdiagnosed systemic skeletal disease. It is characterized by calcifications affecting mainly the spinal anterior longitudinal ligament. In the majority of cases, the patients are asy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::300d6971d25f3d387d133e11a57bbb7f
https://doi.org/10.2478/amb-2021-0032
https://doi.org/10.2478/amb-2021-0032
Autor:
Pavel Vitliemov, Plamen Penchev
Publikováno v:
2022 International Conference on Communications, Information, Electronic and Energy Systems (CIEES).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54d2fdb79b30c13328051c7923a28081
https://doi.org/10.1109/ciees55704.2022.9990675
https://doi.org/10.1109/ciees55704.2022.9990675