Zobrazeno 1 - 10
of 26
pro vyhledávání: '"R. P. Nikolova"'
Autor:
R. Repkina-Nikolova
Publikováno v:
Trakia Journal of Sciences, Vol 21, Iss 4, Pp 335-342 (2023)
The oxidative stress constitutes accumulation of free radicals (FR) in the mammalian cells and tissue. Elevated accumulation of reactive oxygen species (subset of free radicals that contain oxygen) lead to a number of pathological abnormalities in
Externí odkaz:
https://doaj.org/article/3f8b063d792449b895759ca918f8758f
Autor:
Boris Shivachev, R. P. Nikolova, Stanislav Ferdov, N. Petrova, Armandina M. L. Lopes, Rositsa Titorenkova, João P. Araújo
Publikováno v:
Inorganic Chemistry. 60:4563-4568
Small-pore iron silicate MS-1 (Minho-Sofia, solid number 1) with a 3D porous system, an analogue of the rare mineral imandrite, has been synthesized and characterized. This material is the lowest framework density iron silicate, one of the most silic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7da31accba13585b042a4c8753085bb
https://doi.org/10.1021/acs.inorgchem.0c03487
https://doi.org/10.1021/acs.inorgchem.0c03487
Autor:
Irena Zagranyarska, Liudmila N. Ognichenko, Martin Ravutsov, Victor E. Kuz'min, Petar Grozdanov, Georgi M. Dobrikov, Ivanka Nikolova, Adelina Stoyanova, R. P. Nikolova, Yana Nikolova, Angel S. Galabov, Ivaylo Slavchev, Boris Shivachev, N. Nikolova, Miroslav Dangalov, Lucia Mukova
Publikováno v:
Bioorganic Chemistry. 85:487-497
A series of 60 nitrobenzonitrile analogues of the anti-viral agent MDL-860 were synthesized (50 of which are new) and evaluated for their activity against three types of enteroviruses (coxsackievirus B1, coxsackievirus B3 and poliovirus 1). Among the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c0d6118aedac8c051801cc971b8f53b
https://doi.org/10.1016/j.bioorg.2019.02.020
https://doi.org/10.1016/j.bioorg.2019.02.020
Autor:
R. P. Nikolova, Vladimir Dimitrov, Evdokia Pasheva, Mariana Kamenova-Nacheva, Maria Schröder, George Momekov, Boris Shivachev, Ivaylo Slavchev, Georgi M. Dobrikov, Iva Ugrinova
Publikováno v:
New Journal of Chemistry. 41:9103-9112
Herein is described the synthesis of (+)-camphor derivatives containing sulfonamide groups, ferrocenylmethylidene or arylidene moieties. The obtained derivatives were tested against seven human cancer cells lines, namely BV-173, K-256a, NB-4, A549, H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fe06fc3e33b19f21c81ad0c69545209
https://doi.org/10.1039/c7nj00619e
https://doi.org/10.1039/c7nj00619e
Autor:
R. P. Nikolova, Emiliya Cherneva, Andrija Smelcerovic, Guido Jürgenliemk, Boris Shivachev, D. Yancheva, Monika Untergehrer, Aleksandra Djordjevic, Birgit Kraus, Bozhanka Mikhova, Markus Quick
Publikováno v:
Acta Chimica Slovenica, Vol 62, Iss 3, Pp 689-699 (2015)
Three novel N-(α-bromoacyl)-α-amino esters, methyl 2-(2-bromo-3-methylbutanamido)pentanoate (1), methyl 2-(2-bromo-3-methylbutanamido)-2-phenylacetate (2) and methyl 2-(2-bromo-3-methylbutanamido)-3-phenylpropanoate (3) were synthesized. Single cry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54d0f1a7cb5230a04f1d68c3f1b4d2ac
https://journals.matheo.si/index.php/ACSi/article/view/1418
https://journals.matheo.si/index.php/ACSi/article/view/1418
Autor:
N. Nikolova, Ivaylo Slavchev, Boris Shivachev, Georgi M. Dobrikov, Angel S. Galabov, Lucia Mukova, Ivanka Nikolova, Adelina Stoyanova, R. P. Nikolova
Publikováno v:
Bioorganicmedicinal chemistry letters. 27(19)
A series of twelve novel compounds, analogues of antiviral agent MDL-860 were synthesized and their antiviral activity was evaluated in vitro against enteroviruses poliovirus 1 (PV1), Coxsackieviruses B1 (CVB1) and Coxsackieviruses B3 (CVB3). Compoun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae3feda51261f1523b633ca2fd1839de
https://pubmed.ncbi.nlm.nih.gov/28870395
https://pubmed.ncbi.nlm.nih.gov/28870395
Autor:
M. Topashka-Ancheva, I. Kraicheva, Ivelina Tsacheva, Boris Shivachev, R. P. Nikolova, Ivanka Stoineva
A novel anthracene-derived α-aminophosphonate has been synthesized through a classical addition reaction of dimethyl phosphite to a Schiff base and via a microwave assisted Kabachnik–Fields reaction. The compound has been characterized by elementa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::275870348f957a3a5c7b5a25d96818af
Publikováno v:
Tetrahedron: Asymmetry. 24:1426-1434
Methylidene substituted camphor was easily epoxidized to give bridgehead oxirane-substituted camphor in the form of two diastereoisomers, isolated in pure form. These were used in aminolysis reactions with different secondary amines leading to series
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd163f54f016701a4dd3a108f004508c
https://doi.org/10.1016/j.tetasy.2013.08.015
https://doi.org/10.1016/j.tetasy.2013.08.015
Autor:
I. Kraicheva, Ts. Gerasimova, R. P. Nikolova, Tania Tosheva, M. Topashka-Ancheva, Elitsa Vodenicharova, A. Georgieva, Koljo Troev, Ivan Iliev, Ivelina Tsacheva, Boris Shivachev, Anton Kril, E. Tashev
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 188:1535-1547
The X-ray crystal structures of the anthracene-derived bis-aminophosphonates 4.4′-bis[N-methyl(diethoxyphosphonyl)-1-(9-anthryl)]diaminodiphenylmethane (1) and 1,3-bis [N-methyl(diethoxyphosphonyl)-1-(9-anthryl)]diaminobenzene (3) are reported. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::649ad20bca5774f0a099cfff71e9f943
https://doi.org/10.1080/10426507.2012.761986
https://doi.org/10.1080/10426507.2012.761986
Temperature-induced phase transformations of the 'glaserite' type zirconosilicate Na3HZrSi2O8·0.4H2O
Publikováno v:
Materials Research Bulletin. 48:2029-2033
DTA-TG and powder XRD analyses are used to study the occurring upon heating structural transformations of the “glaserite” type zirconosilicate Na 3 HZrSi 2 O 8 ·0.4H 2 O. The title compound undergoes energetically favored irreversible topotactic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5c67ca560906ac369318440e2d5b947
https://doi.org/10.1016/j.materresbull.2013.02.039
https://doi.org/10.1016/j.materresbull.2013.02.039