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1

Development of a biotechnological procedure for treatment of animal wastes to obtain inexpensive biofertilizer

Adriana Gousterova, Maya Nustorova, Plamen Christov, Peter Nedkov, Georgi Neshev, Evgenia Vasileva-Tonkova

Journal:

World Journal of Microbiology and Biotechnology

Year:

2008

Language:

english

File:

PDF, 316 KB

english, 2008

2

A cotton fabric modified with a hydrogel containing ZnO nanoparticles. Preparation and properties study

Staneva, Desislava, Atanasova, Daniela, Vasileva-Tonkova, Evgenia, Lukanova, Varbina, Grabchev, Ivo

Journal:

Applied Surface Science

Year:

2015

Language:

english

File:

PDF, 1.89 MB

english, 2015

3

Chemical, microbiological and plant analysis of soil fertilized with alkaline hydrolysate of sheep’s wool waste

Maya Nustorova, Diana Braikova, Adriana Gousterova, Evgenia Vasileva-Tonkova, Peter Nedkov

Journal:

World Journal of Microbiology and Biotechnology

Year:

2006

Language:

english

File:

PDF, 247 KB

english, 2006

4

Antimicrobial activity and resistance to heavy metals and antibiotics of heterotrophic bacteria isolated from sediment and soil samples collected from two Antarctic islands

Tomova, Iva, Stoilova-Disheva, Margarita, Lazarkevich, Irina, Vasileva-Tonkova, Evgenia

Journal:

Frontiers in Life Science

Year:

2015

Language:

english

File:

PDF, 479 KB

english, 2015

5

Synthesis and characterization of new water soluble 9,10-anthraquinonе and evaluation of its antimicrobial activity

Yordanova, Stanislava, Vasileva-Tonkova, Evgenia, Staneva, Desislava, Stoyanov, Stanimir, Grabchev, Ivo

Journal:

Journal of Molecular Structure

Year:

2018

Language:

english

File:

PDF, 1.68 MB

english, 2018

6

Potential for Biodegradation of Hydrocarbons by Microorganisms Isolated from Antarctic Soils

Vasileva-Tonkova, Evgenia, Gesheva, Victoria

Journal:

Zeitschrift für Naturforschung C

Year:

2004

Language:

english

File:

PDF, 143 KB

english, 2004

7

Isolation and some properties of extracellular ribonuclease from Trichoderma harzianum

Evgenija S. Vasileva-Tonkova

Journal:

Enzyme and Microbial Technology

Year:

1993

Language:

english

File:

PDF, 313 KB

english, 1993

8

Purification, physicochemical properties, and specificity of a ribonuclease produced by Trichoderma harzianum

Evgenia S. Vasileva-Tonkova, Svetlana I. Bezborodova

Journal:

Enzyme and Microbial Technology

Year:

1996

Language:

english

File:

PDF, 705 KB

english, 1996

9

Ecologically safe method for improved feather wastes biodegradation

Evgenia Vasileva-Tonkova, Adriana Gousterova, Georgi Neshev

Journal:

International Biodeterioration & Biodegradation

Year:

2009

Language:

english

File:

PDF, 338 KB

english, 2009

10

Development of an ecologically safe method for improved feather wastes biodegradation using Thermophilic actinomycetes

E. Vasileva-Tonkova, A. Gousterova, M. Nustorova, G. Neshev

Journal:

New Biotechnology

Year:

2009

Language:

english

File:

PDF, 84 KB

english, 2009

11

Characterization of the enzyme complexes produced by two newly isolated thermophylic actinomycete strains during growth on collagen-rich materials

I. Goshev, A. Gousterova, E. Vasileva-Tonkova, P. Nedkov

Journal:

Process Biochemistry

Year:

2005

Language:

english

File:

PDF, 145 KB

english, 2005

12

Glycolipids produced by Antarctic Nocardioides sp. during growth on n-paraffin

E. Vasileva-Tonkova, V. Gesheva

Journal:

Process Biochemistry

Year:

2005

Language:

english

File:

PDF, 146 KB

english, 2005

13

Biosurfactant–rhamnolipid effects on yeast cells

E. Vasileva-Tonkova, D. Galabova, E. Karpenko, A. Shulga

Journal:

Letters in Applied Microbiology

Year:

2001

Language:

english

File:

PDF, 112 KB

english, 2001

14

Comparison of the phosphate-repressible and-constitutive acid phosphatases ofYarrowia lipolytica

D.N. Galabova, E.S. Vasileva-Tonkova, M.A. Balasheva

Journal:

World Journal of Microbiology and Biotechnology

Year:

1994

Language:

english

File:

PDF, 213 KB

english, 1994

15

Production and preliminary characterization of RNA-depolymerase fromTrichoderma harzianum

E. S. Vasileva-Tonkova

Journal:

World Journal of Microbiology and Biotechnology

Year:

1993

Language:

english

File:

PDF, 229 KB

english, 1993

16

Biosurfactant Production by Antarctic Facultative AnaerobePantoeasp. During Growth on Hydrocarbons

Evgenia Vasileva-Tonkova, Victoria Gesheva

Journal:

Current Microbiology

Year:

2007

Language:

english

File:

PDF, 130 KB

english, 2007

17

New Protein Hydrolysates from Collagen Wastes Used as Peptone for Bacterial Growth

E. Vasileva-Tonkova, M. Nustorova, A. Gushterova

Journal:

Current Microbiology

Year:

2007

Language:

english

File:

PDF, 87 KB

english, 2007

18

Biosurfactant Production by HalotolerantRhodococcusfasciansfrom Casey Station, Wilkes Land, Antarctica

Victoria Gesheva, Erko Stackebrandt, Evgenia Vasileva-Tonkova

Journal:

Current Microbiology

Year:

2010

Language:

english

File:

PDF, 243 KB

english, 2010

19

The Effect of Rhamnolipid Biosurfactant Produced byPseudomonas fluorescenson Model Bacterial Strains and Isolates from Industrial Wastewater

Evgenia Vasileva-Tonkova, Anna Sotirova, Danka Galabova

Journal:

Current Microbiology

Year:

2011

Language:

english

File:

PDF, 478 KB

english, 2011

20

Keratinase Production by Newly Isolated Antarctic Actinomycete Strains

Adriana Gushterova, Evgenia Vasileva-Tonkova, Elitza Dimova, Peter Nedkov, Thomas Haertlé

Journal:

World Journal of Microbiology and Biotechnology

Year:

2005

Language:

english

File:

PDF, 202 KB

english, 2005

21

Effect of gamma-irradiation on guanyl specific ribonuclease from Trichoderma harzianum

E. Vasileva-Tonkova, T. Chomoneva

Journal:

Process Biochemistry

Year:

2004

Language:

english

File:

PDF, 123 KB

english, 2004

22

Degradation of keratin and collagen containing wastes by newly isolated thermoactinomycetes or by alkaline hydrolysis

A. Gousterova, D. Braikova, I. Goshev, P. Christov, K. Tishinov, E. Vasileva-Tonkova, T. Haertlé, P. Nedkov

Journal:

Letters in Applied Microbiology

Year:

2005

Language:

english

File:

PDF, 96 KB

english, 2005

23

Influence of growth temperature on the acid phosphatase activity in the yeast Yarrowia lipolytica

E. Vasileva-Tonkova, D.M. Balasheva, D. Galabova

Journal:

FEMS Microbiology Letters

Year:

1996

Language:

english

File:

PDF, 394 KB

english, 1996

24

A specific alkaline phosphatase from Saccharomyces cerevisiae with protein phosphatase activity

Boriyana Tuleva, Evgenia Vasileva-Tonkova, Danka Galabova

Journal:

FEMS Microbiology Letters

Year:

1998

Language:

english

File:

PDF, 235 KB

english, 1998

25

Production of enzymes and antimicrobial compounds by halophilic AntarcticNocardioidessp. grown on different carbon sources

Victoria Gesheva, Evgenia Vasileva-Tonkova

Journal:

World Journal of Microbiology and Biotechnology

Year:

2012

Language:

english

File:

PDF, 214 KB

english, 2012

26

Characterization of bacterial isolates from industrial wastewater according to probable modes of hexadecane uptake

Evgenia Vasileva-Tonkova, Danka Galabova, Emilia Stoimenova, Zdravko Lalchev

Journal:

Microbiological Research

Year:

2008

Language:

english

File:

PDF, 154 KB

english, 2008

27

Effects of rhamnolipid-biosurfactant on cell surface of Pseudomonas aeruginosa

A. Sotirova, D. Spasova, E. Vasileva-Tonkova, D. Galabova

Journal:

Microbiological Research

Year:

2009

Language:

english

File:

PDF, 260 KB

english, 2009

28

Influence of growth temperature on the acid phosphatase activity in the yeast Yarrowia lipolytica

E. Vasileva-Tonkova, D.M. Balasheva, D. Galabova

Journal:

FEMS Microbiology Letters

Year:

1996

Language:

english

File:

PDF, 416 KB

english, 1996

29

A specific alkaline phosphatase from Saccharomyces cerevisiae with protein phosphatase activity

Boriyana Tuleva, Evgenia Vasileva-Tonkova, Danka Galabova

Journal:

FEMS Microbiology Letters

Year:

1998

Language:

english

File:

PDF, 238 KB

english, 1998

30

Investigation of the Possibility for Enzymatic Utlization of Chicken Bones

Tishinov, K., Christov, P., Neshev, G., Nustorova, M., Paskaleva, D., Vasileva-Tonkova, E., Gousterova, A., Nedkov, P.

Journal:

Biotechnology & Biotechnological Equipment

Year:

2010

Language:

english

File:

PDF, 1.10 MB

english, 2010

31

Myroides guanonis sp. nov., isolated from prehistoric paintings

Tomova, A., Tomova, I., Vasileva-Tonkova, E., Lazarkevich, I., Stoilova-Disheva, M., Lyutskanova, D., Kambourova, M.

Journal:

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY

Year:

2013

Language:

english

File:

PDF, 186 KB

english, 2013

32

Ecophysiological properties of cultivable heterotrophic bacteria and yeasts dominating in phytocenoses of Galindez Island, maritime Antarctica

Vasileva-Tonkova, Evgenia, Romanovskaya, Victoria, Gladka, Galina, Gouliamova, Dilnora, Tomova, Iva, Stoilova-Disheva, Margarita, Tashyrev, Oleksandr

Journal:

World Journal of Microbiology and Biotechnology

Year:

2014

Language:

english

File:

PDF, 450 KB

english, 2014

33

Combination of sensor potential and antimicrobial activity of a new 4-(2-dimethylaminoethyloxy)-N-buthyl-1,8-naphthalimide

Staneva, Desislava, Vasileva-Tonkova, Evgenia, Makki, Mohamad S.I., Asiri, Abdullah M., Grabchev, Ivo

Journal:

Journal of Molecular Structure

Year:

2014

Language:

english

File:

PDF, 2.54 MB

english, 2014

34

Preliminary Characterization of Yeasts and Actinomycetes Isolated from Mammalian Feces

Gouliamova, D.E., Stoilova-Disheva, M.M., Dimitrov, R.A., Gushterova, A.G., Vasileva-Tonkova, E.S., Paskaleva, D.A., Stoyanova, P.E.

Journal:

Biotechnology & Biotechnological Equipment

Year:

2012

Language:

english

File:

PDF, 91 KB

english, 2012

35

Synthesis and spectral characterization of a new PPA dendrimer modified with 4-bromo-1,8-naphthalimide and in vitro antimicrobial activity of its Cu(II) and Zn(II) metal complexes

Staneva, Desislava, Vasileva-Tonkova, Evgenia, Makki, Mohammad S.I., Sobahi, Tariq R., Abdеl-Rahman, Reda M., Boyaci, Ismail H., Asiri, Abdullah M., Grabchev, Ivo

Journal:

Year:

2015

Language:

english

File:

PDF, 764 KB

english, 2015

36

Synthesis, photophysical and antimicrobial activity of new water soluble ammonium quaternary benzanthrone in solution and in polylactide film

Staneva, Desislava, Vasileva-Tonkova, Evgenia, Makki, Mohamad Saleh I., Sobahi, Tariq Rashad, Abdеl-Rahman, Reda Mohamed, Asiri, Abdullah M., Grabchev, Ivo

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2015

Language:

english

File:

PDF, 1.45 MB

english, 2015

37

Purification and Partial Characterization of Acid Phosphatase from Candida Lipolytica

Vasileva-Tonkova, E. S., Galabova, D. N., Balasheva, M. A., Sotirova, A. V.

Journal:

Journal of General Microbiology

Year:

1993

Language:

english

File:

PDF, 610 KB

english, 1993

38

Synthesis, characterization and in vitro antimicrobial activity of a new blue fluorescent Cu(II) metal complex of Bis-1,8-naphthalimide

Yordanova, Stanislava, Temiz, Havva Tümay, Boyaci, Ismail Hakki, Stoyanov, Stanimir, Vasileva-Tonkova, Evgenia, Asiri, Abdullah, Grabchev, Ivo

Journal:

Journal of Molecular Structure

Year:

2015

Language:

english

File:

PDF, 3.28 MB

english, 2015

39

Evaluation of Different Carbon Sources for Growth and Biosurfactant Production by Pseudomonas fluorescens Isolated from Wastewaters

Stoimenova, Emilia, Vasileva-Tonkova, Evgenia, Sotirova, Anna, Galabova, Danka, Lalchev, Zdravko

Journal:

Zeitschrift für Naturforschung C

Year:

2009

Language:

english

File:

PDF, 235 KB

english, 2009

40

Poly(propylenamine) dendrimers modified with 4-amino-1,8-naphthalimide: Synthesis, characterization and in vitro microbiological tests of their Cu(II) and Zn(II) complexes

Grabchev, Ivo, Yordanova, Stanislava, Vasileva-Tonkova, Evgenia, Bosch, Paula, Stoyanov, Stanimir

Journal:

Inorganica Chimica Acta

Year:

2015

Language:

english

File:

PDF, 2.11 MB

english, 2015

41

Spectral characterization and in vitro microbiological activity of new bis-1,8-naphthalimides and their Cu(II) complexes

Ottaviani, Maria Francesca, Yordanova, Stanislava, Cangiotti, Michela, Vasileva-Tonkova, Evgenia, Coppola, Concetta, Stoyanov, Stanimir, Grabchev, Ivo

Journal:

Journal of Molecular Structure

Year:

2016

Language:

english

File:

PDF, 1.86 MB

english, 2016

42

A novel benzofurazan-cyclam conjugate and its Cu(II) complex: Synthesis, characterization and in vitro cytotoxicity and antimicrobial activity

Grabchev, Ivo, Yordanova, Stanislava, Vasileva-Tonkova, Evgenia, Cangiotti, Michela, Fattori, Alberto, Alexandrova, Radostina, Stoyanov, Stanimir, Ottaviani, Maria Francesca

Journal:

Dyes and Pigments

Year:

2016

Language:

english

File:

PDF, 1.44 MB

english, 2016

43

Synthesis, characterization and in vitro antimicrobial activity of a new fluorescent tris-benzo[de]anthracen-7-one and its Cu(II) complex

Staneva, Desislava, Grabchev, Ivo, Vasileva-Tonkova, Evgenia, Kukeva, Rositsa, Stoyanova, Radostina

Journal:

Year:

2016

Language:

english

File:

PDF, 1.28 MB

english, 2016

44

Synthesis, structural characterization and antibacterial activity of cotton fabric modified with a hydrogel containing barium hexaferrite nanoparticles

Staneva, Desislava, Koutzarova, Tatyana, Vertruyen, Benedicte, Vasileva-Tonkova, Evgenia, Grabchev, Ivo

Journal:

Journal of Molecular Structure

Year:

2017

Language:

english

File:

PDF, 1.25 MB

english, 2017

45

Hydrolytic Enzymes and Surfactants of Bacterial Isolates from Lubricant- Contaminated Wastewater

Vasileva-Tonkova, Evgenia, Galabova, Danka

Journal:

Zeitschrift für Naturforschung C

Year:

2003

Language:

english

File:

PDF, 167 KB

english, 2003

46

Preparation, Characterization and Antibacterial Activity of Composite Material Cotton Fabric/Hydrogel/Silver Nanoparticles

Staneva, Desislava, Vasileva-Tonkova, Evgenia, Grabchev, Ivo

Journal:

International Journal of Polymer Analysis and Characterization

Year:

2016

Language:

english

File:

PDF, 678 KB

english, 2016

47

Structural characterization of 1,8-naphthalimides and in vitro microbiological activity of their Cu(II) and Zn(II) complexes

Grabchev, Ivo, Yordanova, Stanislava, Bosch, Paula, Vasileva-Tonkova, Evgenia, Kukeva, Rositsa, Stoyanov, Stanimir, Stoyanova, Radostina

Journal:

Journal of Molecular Structure

Year:

2016

Language:

english

File:

PDF, 1.93 MB

english, 2016

48

Production and Properties of Biosurfactants from a Newly Isolated Pseudomonas fluorescens HW-6 Growing on Hexadecane

Vasileva-Tonkova, Evgenia, Galabova, Danka, Stoimenova, Emilia, Lalchev, Zdravko

Journal:

Zeitschrift für Naturforschung C

Year:

2006

Language:

english

File:

PDF, 178 KB

english, 2006

49

A new green fluorescent tripod based on 1,8-naphthalimide. Detection ability for metal cations and protons and antimicrobial activity

Staneva, Desislava, Vasileva-Tonkova, Evgenia, Bosch, Paula, Grabchev, Ivo

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2017

Language:

english

File:

PDF, 720 KB

english, 2017

50

Phylogenetic analysis of the bacterial community in a crystallizer pond, Pomorie salterns, Bulgaria

Kambourova, Margarita, Tomova, Iva, Boyadzhieva, Ivanka, Radchenkova, Nadja, Vasileva-Tonkova, Evgenia

Journal:

Biotechnology & Biotechnological Equipment

Year:

2017

Language:

english

File:

PDF, 741 KB

english, 2017

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