Search Results - "Stoyanova, A."

Kitaev interactions between j = 1 2 moments in honeycomb Na2IrO3 are large and ferromagnetic: insights from ab initio quantum chemistry calculations by Katukuri, Vamshi M, Nishimoto, S, Yushankhai, V, Stoyanova, A, Kandpal, H, Choi, Sungkyun, Coldea, R, Rousochatzakis, I, Hozoi, L, Brink, Jeroen van den

“…Na2IrO3, a honeycomb 5d5 oxide, has been recently identified as a potential realization of the Kitaev spin lattice. The basic feature of this spin model is…”
Get full text

On the cycling stability of biomass-derived carbons as electrodes in supercapacitors by Karamanova, B., Stoyanova, A., Shipochka, M., Girginov, Ch, Stoyanova, R.

“…The present work provides new insight into the long-term cycling stability of biomass-derived activated carbons as electrodes in symmetric supercapacitors on…”
Get full text

Antioxidant activity of a ginger extract ( Zingiber officinale) by Stoilova, I., Krastanov, A., Stoyanova, A., Denev, P., Gargova, S.

“…The antioxidant effect and the total phenols of ginger extract were studied. The total phenols of the alcohol extract were found to be 870.1 mg/g dry extract…”
Get full text

The relationship between overweight and education revisited: a test of the selection hypothesis based on adolescents’ educational aspirations by Diaz-Serrano, L., Stoyanova, A.P.

“…OBJECTIVESThis paper examines the selection mechanism underlying the association between overweight/obesity and educational aspirations of adolescents.STUDY…”
Get full text

Au nanoparticle–polyaniline nanocomposite layers obtained through layer-by-layer adsorption for the simultaneous determination of dopamine and uric acid by Stoyanova, A., Ivanov, S., Tsakova, V., Bund, A.

“…The layer-by-layer adsorption technique was used to prepare polyaniline (PANI)–gold nanoparticles (AuNP) multilayered structures with different AuNP/PANI…”
Get full text

Comparative study of electrochemical performance of symmetric supercapacitors between aqueous electrolyte and polymer exchange membrane by Soserov, L., Mladenova, B., Karamanova, B., Lefterova, E., Arenillas, A., Stoyanova, A.

“…The symmetric supercapacitors (SC) are electrochemical capacitors with higher energy density than conventional ones. Both their positive and negative…”
Get full text

Nickel-manganese structured and multiphase composites as electrodes for hybrid supercapacitors by Soserov, L., Stoyanova, A., Boyadzhieva, T., Koleva, V., Kalapsazova, M., Stoyanova, R.

“…Hybrid supercapacitors with the composite electrode materials display high energy density at the expense of the reduced cycle stability. Herein, we provide new…”
Get full text

Tungsten particles fabrication by a microjet discharge by Marascu, V, Lazea-Stoyanova, A, Bonciu, A, Satulu, V, Dinescu, G

“…As a consequence of interaction of a microjet discharge with the tungsten electrodes, tungsten material is released to plasma, and tungsten particles, of…”
Get full text

Lipid composition of different parts of Cape gooseberry (Physalis peruviana L.) fruit and valorization of seed and peel waste by Popova, V., Petkova, Z., Ivanova, T., Stoyanova, M., Mazova, N., Stoyanova, A.

“…The consumption of Cape gooseberry (Physalis peruviana L.) fruit (CG), fresh or processed, is gaining popularity worldwide, due to its nutritional and…”
Get full text

Differences in essential oil yield, composition, and bioactivity of three juniper species from Eastern Europe by Radoukova, T., Zheljazkov, V.D., Semerdjieva, I., Dincheva, I., Stoyanova, A., Kačániová, M., Marković, T., Radanović, D., Astatkie, T., Salamon, I.

“…•There are current efforts on develop some junipers as agricultural crops.•J. communis, J. sibirica, and J. pygmaea are taxonomically controversial.•The…”
Get full text

Application of Physicochemical Methods for Extraction of Nonferrous Metal Ions (Cu2+, Zn2+) and Carbon Nanomaterials by Stoyanova, A. D., Kon’kova, T. V., Checherina, A. Yu

“…The textural characteristics of carbon nanomaterials and their adsorption capacity with respect to nonferrous metal ions have been studied. A comparative study…”
Get full text

Oxygen evolution on Ebonex-supported Pt-based binary compounds in PEM water electrolysis by Stoyanova, A., Borisov, G., Lefterova, E., Slavcheva, E.

“…Ebonex-supported Pt-based binary electrocatalysts (Pt–Fe, Pt–Co) in different metal ratios were prepared by wet sol–gel method using acetilacetonate precursors…”
Get full text

Essential oil yield, composition, bioactivity and leaf morphology of Juniperus oxycedrus L. from Bulgaria and Serbia by Semerdjieva, I., Zheljazkov, V.D., Radoukova, T., Radanović, D., Marković, T., Dincheva, I., Stoyanova, A., Astatkie, T., Kačániová, M.

“…Juniperus oxycedrus L. (Cupressaceae Bartlett) is widely distributed in countries with a Mediterranean climate. All plant parts contain highly aromatic…”
Get full text

Catalytic Activity of Highly Dispersed Systems PdО/Mn0.20Ce0.80O2–δ and PdО/M0.05Mn0.15Ce0.80O2–δ, where M = Cu, Bi, in Complete Oxidation of Methane by Liberman, E. Yu, Kleusov, B. S., Simakina, E. A., Kon’kova, T. V., Grunskii, V. N., Stoyanova, A. D., Denisenko, A. V.

“…Highly dispersed solid solutions Mn 0.20 Ce 0.80 O 2–δ and M 0.05 Mn 0.15 Ce 0.80 О 2–δ , where M = Cu, Bi, were prepared by coprecipitation followed by heat…”
Get full text

DEPENDENCIES BETWEEN MORPHOLOGICAL INDICATORS AND EARLY RIPENESS OF GREENHOUSE TOMATOES AT DIFFERENT LEVELS OF FERTILIZATION AND DILFERENT WATER SUPPLY by Stoyanova, A., Kuneva, V., Georgiev, M., Valchev, N.

“…The purpose of this study is to determine the impact of controlled permanent water deficiency and three levels of fertilization on earliness and total yield of…”
Get full text

Aseptic meningitis outbreak caused by echovirus 30 in two regions in Bulgaria, May–August 2012 by MLADENOVA, Z., BUTTINELLI, G., DIKOVA, A., STOYANOVA, A., TROYANCHEVA, M., KOMITOVA, R., STOYCHEVA, M., PEKOVA, L., PARMAKOVA, K., FIORE, L.

“…An aseptic meningitis outbreak emerged in two regions in Bulgaria in 2012 and echovirus 30 (E30) was established as the aetiological agent by cell culture…”
Get full text

Antimicrobial activity of Lactobacillus plantarum against pathogenic and food spoilage microorganisms: A review by Dinev, T., Beev, G., Tzanova, M., Denev, S., Dermendzhieva, D., Stoyanova, A.

“…One of the most important properties of probiotic bacteria is their antimicrobial activity against many species of microorganisms which could be useful to…”
Get full text

Influence of foliar feeding of common wheat varieties on the nutritional value of the grain by Stoyanova, A., Ganchev, G., Kuneva, V.

“…Two years of polls from the field trials of the Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria were used for the purpose of the survey. In…”
Get full text

Three-dimensional analysis of combination effect of ellagitannins and acyclovir on herpes simplex virus types 1 and 2 by Vilhelmova, N., Jacquet, R., Quideau, S., Stoyanova, A., Galabov, A.S.

“…The effects of combinations of three nonahydroxyterphenoyl-bearing C-glucosidic ellagitannins (castalagin, vescalagin and grandinin) with acyclovir (ACV) on…”
Get full text

Evaluation of rye specimens in maturity stage on the basis of mathematical – statistical analysis by Kuneva, V., Valchinova, E., Stoyanova, A.

“…The aim of the study is to evaluate comprehensively the rye collection and the possibilities for the specimen usage in selection on the basis of mathematical…”
Get full text