Biosorption of Cu (II) onto chemically modified waste mycelium of Aspergillus awamori: Equilibrium, kinetics and modeling studies

by ZDRAVKA VELKOVA, MARGARITA STOYTCHEVA, VELIZAR GOCHEV
Published 2012-01-01

Tetracycline removal from model aqueous solutions by pretreated waste Streptomyces fradiae biomass

by Gergana Kirova, Zdravka Velkova, Margarita Stoytcheva, Velizar Gochev
Published 2021-01-01

A nanotechnological approach to biosensors sensitivity improvement: application to organophosphorus pesticides determination

by Margarita Stoytcheva, Roumen Zlatev, Gisela Montero, Zdravka Velkova, Velizar Gochev
Published 2018-01-01

Rapid disposable lipase activity sensor for automatic industrial application

by Roumen Zlatev, Margarita Stoytcheva, Velizar Gochev, Zdravka Velkova, Benjamín Valdez, Gisela Montero
Published 2021-01-01

Novel composite biosorbent from Bacillus cereus for heavy metals removal from aqueous solutions

by Kostadinka Todorova, Zdravka Velkova, Margarita Stoytcheva, Gergana Kirova, Sonia Kostadinova, Velizar Gochev
Published 2019-01-01

Chemical Composition, In Vitro Antioxidant Potential, and Antimicrobial Activities of Essential Oils and Hydrosols from Native American Muscadine Grapes

by Vasil Georgiev, Anthony Ananga, Ivayla Dincheva, Ilian Badjakov, Velizar Gochev, Violeta Tsolova
Published 2019-09-01

Chemical composition and antifungal activity of essential oil of Salvia sclarea L. from Bulgaria against isolates of Candida species

by Yana Hristova, Velizar Gochev, Juergen Wanner, Leopold Jirovetz, Erich Schmidt, Tania Girova, Andrei Kuzmanov
Published 2013-01-01

Low temperature extraction of essential oil bearing plants by liquefied gases. 7. Seeds from cardamom (Elettaria cardamomum /L./ Maton)

by VELIZAR GOCHEV, TANYA GIROVA, IVANKA STOILOVA, TEODORA ATANASOVA, NENO NENOV, VESELIN STANCHEV, ALBENA STOYANOVA
Published 2012-01-01

Comparative study on the chemical composition of laurel (Laurus nobilis L.) leaves from Greece and Georgia and the antibacterial activity of their essential oil

by Galina Stefanova, Tanya Girova, Velizar Gochev, Magdalena Stoyanova, Zhana Petkova, Albena Stoyanova, Valtcho D. Zheljazkov
Published 2020-12-01

Acetylcholinesterase inhibitory, antioxidant, and antimicrobial activities of Salvia tomentosa Mill. essential oil

by ANDREY MARCHEV, IVAN IVANOV, PETKO DENEV, MILENA NIKOLOVA, VELIZAR GOCHEV, ALBENA STOYANOVA, ATANAS PAVLOV, VASIL GEORGIEV
Published 2015-08-01

Metagenomic analysis of the microbial community structure in protected wetlands in the Maritza River Basin

by Ivan Iliev, Mariana Marhova, Sonya Kostadinova, Velizar Gochev, Marinela Tsankova, Angelina Ivanova, Galina Yahubyan, Vesselin Baev
Published 2019-01-01