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1

Magnetic-nanoparticles-based fluorescent immunoassay for individual and simultaneous determination of dichlorvos and paraoxon in milk

Yaneva, Marina, Ivanov, Yavor, Todorov, Nikola, Godjevargova, Tzonka

Journal:

Food and Agricultural Immunology

Year:

2017

Language:

english

File:

PDF, 1.69 MB

english, 2017

2

Development of a double immunochromatographic test system for simultaneous determination of lincomycin and tylosin antibiotics in foodstuffs

Hendrickson, Olga D., Zvereva, Elena A., Zherdev, Anatoly V., Godjevargova, Tzonka, Xu, Chuanlai, Dzantiev, Boris B.

Journal:

Year:

2020

Language:

english

File:

PDF, 1.16 MB

english, 2020

3

Radiation grafting of AMPSA and DMAEM onto membranes of acrylonitrile copolymer and polyamide for immobilization of glucose oxidase

T. Godjevargova

Journal:

Journal of Applied Polymer Science

Year:

1996

Language:

english

File:

PDF, 448 KB

english, 1996

4

Immobilization of glucose oxidase and acetylcholinesterase onto modified polyamide sorbent

T. Godjevargova, A. Dimov, D. Ivanova

Journal:

Journal of Applied Polymer Science

Year:

1998

Language:

english

File:

PDF, 177 KB

english, 1998

5

Adsorption of lead and copper on modified polyacrylonitrile bead

T. Godjevargova, A. Simeonova, A. Dimov

Journal:

Journal of Applied Polymer Science

Year:

2001

Language:

english

File:

PDF, 143 KB

english, 2001

6

Adsorption of copper on specifically modified polyamide sorbent

T. Godjevargova, S. Mihova

Journal:

Journal of Applied Polymer Science

Year:

2003

Language:

english

File:

PDF, 104 KB

english, 2003

7

Study of the thermal stability of glucose oxidase in the presence of water-soluble polymers

T. Godjevargova, N. Vasileva, Zl. Letskovska

Journal:

Journal of Applied Polymer Science

Year:

2003

Language:

english

File:

PDF, 86 KB

english, 2003

8

Simultaneous covalent immobilization of glucose oxidase and catalase onto chemically modified acrylonitrile copolymer membranes

T. Godjevargova, Rajeshwar Dayal, Ivaylo Marinov

Journal:

Journal of Applied Polymer Science

Year:

2004

Language:

english

File:

PDF, 114 KB

english, 2004

9

Chemical modification of dialysis membrane based on poly(acrylonitrile–methylmethacrylate–sodium vinylsulphonate)

Z. Godjevargova, A. Dimov, St. Petrov

Journal:

Journal of Applied Polymer Science

Year:

1992

Language:

english

File:

PDF, 333 KB

english, 1992

10

Concentration of biological liquids by dialysis with modified acrylonitrile copolymer membranes

Ts. Godjevargova, A. Dimov

Journal:

Journal of Applied Polymer Science

Year:

1994

Language:

english

File:

PDF, 331 KB

english, 1994

11

Immobilization of glucose oxidase onto membranes of modified acrylonitrile copolymer

T. S. Godjevargova, A. R. Dimov, N. Vasileva

Journal:

Journal of Applied Polymer Science

Year:

1994

Language:

english

File:

PDF, 445 KB

english, 1994

12

Grafting of acrylonitrile copolymer membranes with hydrophilic monomers for immobilization of glucose oxidase

T. Godjevargova, A. Dimov

Journal:

Journal of Applied Polymer Science

Year:

1995

Language:

english

File:

PDF, 416 KB

english, 1995

13

Adsorption of heavy metal ions from aqueous solutions by porous polyacrylonitrile beads

T. Godjevargova, A. Simeonova, A. Dimov

Journal:

Journal of Applied Polymer Science

Year:

2002

Language:

english

File:

PDF, 1.02 MB

english, 2002

14

Behavior of immobilized glucose oxidase on membranes from polyacrylonitrile and copolymer of methylmethacrylate-dichlorophenylmaleimide

N. Vasileva, Tz. Godjevargova, V. Konsulov, A. Simeonova, S. Turmanova

Journal:

Journal of Applied Polymer Science

Year:

2006

Language:

english

File:

PDF, 99 KB

english, 2006

15

Gluconic Acid Production in Bioreactor with Immobilized Glucose Oxidase Plus Catalase on Polymer Membrane Adjacent to Anion-Exchange Membrane

Tzonka Godjevargova, Rajeshwar Dayal, Sevdalina Turmanova

Journal:

Macromolecular Bioscience

Year:

2004

Language:

english

File:

PDF, 159 KB

english, 2004

16

Polyacrylonitrile Enzyme Ultrafiltration and Polyamide Enzyme Microfiltration Membranes Prepared by Diffusion and Convection

Rajeshwar Dayal, Tzonka Godjevargova

Journal:

Macromolecular Bioscience

Year:

2005

Language:

english

File:

PDF, 147 KB

english, 2005

17

Kinetic Parameters of Urease Immobilized on Modified Acrylonitrile Copolymer Membranes in the Presence and Absence of Cu(II) Ions

Tzonka Godjevargova, Katya Gabrovska

Journal:

Macromolecular Bioscience

Year:

2005

Language:

english

File:

PDF, 125 KB

english, 2005

18

Covalent Immobilization of Glucose Oxidase onto New Modified Acrylonitrile Copolymer/Silica Gel Hybrid Supports

Tzonka Godjevargova, Ruska Nenkova, Nedyalka Dimova

Journal:

Macromolecular Bioscience

Year:

2005

Language:

english

File:

PDF, 129 KB

english, 2005

19

Permeability and protein adsorption of modified charged acrylonitrile copolymer membranes

Tsonka Godjevargova, Aristotel Dimov

Journal:

Journal of Membrane Science

Year:

1992

Language:

english

File:

PDF, 431 KB

english, 1992

20

Immobilization of glucose oxidase using acrylonitrile copolymer membranes

Tsonka Godjevargova, Aristotel Dimov, Nastia Vasileva

Journal:

Journal of Membrane Science

Year:

1994

Language:

english

File:

PDF, 399 KB

english, 1994

21

Effects of chemical modifications and immobilization of glucose oxidase onto acrylonitrile copolymer membranes on membrane potential and membrane charge density

Ts. Godjevargova, A. Dimov, N. Vassileva

Journal:

Journal of Membrane Science

Year:

1996

Language:

english

File:

PDF, 387 KB

english, 1996

22

Functionalized electrospun mats from styrene–maleic anhydride copolymers for immobilization of acetylcholinesterase

O. Stoilova, M. Ignatova, N. Manolova, T. Godjevargova, D.G. Mita, I. Rashkov

Journal:

European Polymer Journal

Year:

2010

Language:

english

File:

PDF, 657 KB

english, 2010

23

Influence of matrix on external mass transfer resistance in immobilized urease membranes

T. Godjevargova, K. Gabrovska

Journal:

Enzyme and Microbial Technology

Year:

2006

Language:

english

File:

PDF, 97 KB

english, 2006

24

Pore diffusion studies with immobilized glucose oxidase plus catalase membranes

Rajeshwar Dayal, Tzonka Godjevargova

Journal:

Enzyme and Microbial Technology

Year:

2006

Language:

english

File:

PDF, 132 KB

english, 2006

25

Study on the behaviour of glucose oxidase immobilized on microfiltration polyamide membrane

N Vasileva, Ts Godjevargova

Journal:

Journal of Membrane Science

Year:

2004

Language:

english

File:

PDF, 155 KB

english, 2004

26

Study of the effect of some organic solvents on the activity and stability of glucose oxidase

N. Vasileva, Ts. Godjevargova

Journal:

Materials Science and Engineering: C

Year:

2005

Language:

english

File:

PDF, 150 KB

english, 2005

27

Degradation of some phenol derivatives by Trichosporon cutaneum R57

Z Aleksieva, D Ivanova, T Godjevargova, B Atanasov

Journal:

Process Biochemistry

Year:

2002

Language:

english

File:

PDF, 149 KB

english, 2002

28

Biodegradation of toxic organic components from industrial phenol production waste waters by free and immobilized Trichosporon cutaneum R57

T Godjevargova, D Ivanova, Z Alexieva, N Dimova

Journal:

Process Biochemistry

Year:

2003

Language:

english

File:

PDF, 229 KB

english, 2003

29

Cell immobilization of Trichosporon cutaneum strain with phenol degradation ability on new modified polymer carriers

T Godjevargova, Z Aleksieva, D Ivanova

Journal:

Process Biochemistry

Year:

2000

Language:

english

File:

PDF, 165 KB

english, 2000

30

Behavior of glucose oxidase immobilized on ultrafiltration membranes obtained by copolymerizing acrylonitrile and N-vinylimidazol

T Godjevargova, V Konsulov, A Dimov, N Vasileva

Journal:

Journal of Membrane Science

Year:

2000

Language:

english

File:

PDF, 192 KB

english, 2000

31

Immobilization of urease onto membranes of modified acrylonitrile copolymer

Ts. Godjevargova, A. Dimov

Journal:

Journal of Membrane Science

Year:

1997

Language:

english

File:

PDF, 460 KB

english, 1997

32

Preparation of an ultrafiltration membrane from the copolymer of acrylonitrile–glycidylmethacrylate utilized for immobilization of glucose oxidase

T Godjevargova, V Konsulov, A Dimov

Journal:

Journal of Membrane Science

Year:

1999

Language:

english

File:

PDF, 379 KB

english, 1999

33

Immobilization of urease on cation-exchange membranes prepared by radiation-initiated graft copolymerization of acrylic acid on polyethene thin films

Sevdalina Turmanova, Tzonka Godjevargova, Nastia Vasileva

Journal:

Polymer Bulletin

Year:

2005

Language:

english

File:

PDF, 228 KB

english, 2005

34

Copper Sorption from Aqueous Solutions by Plasma Modified Polyacrylonitrile Beads

A. Simeonova, T. Godjevargova, D. Vladkova

Journal:

Polymer Bulletin

Year:

2006

Language:

english

File:

PDF, 250 KB

english, 2006

35

Biodegradation of phenol by immobilizedAspergillus awamoriNRRL 3112 on modified polyacrylonitrile membrane

G. Yordanova, D. Ivanova, T. Godjevargova, A. Krastanov

Journal:

Year:

2009

Language:

english

File:

PDF, 393 KB

english, 2009

36

Biodegradation of bisphenols with immobilized laccase or tyrosinase on polyacrylonitrile beads

Carla Nicolucci, Sergio Rossi, Ciro Menale, Tzonka Godjevargova, Yavor Ivanov, Mariangela Bianco, Luigi Mita, Umberto Bencivenga, Damiano G. Mita, Nadia Diano

Journal:

Year:

2011

Language:

english

File:

PDF, 359 KB

english, 2011

37

Metallochelate immobilization of urease on to amorphous SiO2

Ts. Godjevargova, M. Velikova, N. Vasileva, N. Dimova, D. Damyanov

Journal:

Process Biochemistry

Year:

2005

Language:

english

File:

PDF, 183 KB

english, 2005

38

Biodegradation of phenol by immobilized Trichosporon cutaneum R57 on modified polymer membranes

T. Godjevargova, D. Ivanova, Z. Aleksieva, G. Burdelova

Journal:

Process Biochemistry

Year:

2006

Language:

english

File:

PDF, 350 KB

english, 2006

39

New amperometric glucose biosensor based on cross-linking of glucose oxidase on silica gel/multiwalled carbon nanotubes/polyacrylonitrile nanocomposite film

Ruska Nenkova, Danka Ivanova, Janina Vladimirova, Tzonka Godjevargova

Journal:

Sensors and Actuators B: Chemical

Year:

2010

Language:

english

File:

PDF, 626 KB

english, 2010

40

Fixed-bed biosorption of Cu2+by polyacrylonitrile-immobilized dead cells ofSaccharomyces cerevisiae

T. Godjevargova, S. Mihova, K. Gabrovska

Journal:

World Journal of Microbiology and Biotechnology

Year:

2004

Language:

english

File:

PDF, 220 KB

english, 2004

41

Immobilization of glucose oxidase by acrylonitrile copolymer coated silica supports

Tzonka Godjevargova, Ruska Nenkova, Vitan Konsulov

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2006

Language:

english

File:

PDF, 257 KB

english, 2006

42

Advantages in using non-isothermal bioreactors in bioremediation of water polluted by phenol by means of immobilized laccase from Rhus vernicifera

S. Georgieva, T. Godjevargova, M. Portaccio, M. Lepore, D.G. Mita

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2008

Language:

english

File:

PDF, 621 KB

english, 2008

43

Immobilization of acetylcholinesterase on new modified acrylonitrile copolymer membranes

Katya Gabrovska, Teodora Nedelcheva, Tzonka Godjevargova, Olya Stoilova, Nevena Manolova, Iliya Rashkov

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2008

Language:

english

File:

PDF, 849 KB

english, 2008

44

Optimum immobilization of urease on modified acrylonitrile copolymer membranes: Inactivation by heavy metal ions

Katya Gabrovska, Tzonka Godjevargova

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2009

Language:

english

File:

PDF, 914 KB

english, 2009

45

Amperometric acetylthiocholine sensor based on acetylcholinesterase immobilized on nanostructured polymer membrane containing gold nanoparticles

Ivaylo Marinov, Yavor Ivanov, Katya Gabrovska, Tzonka Godjevargova

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2010

Language:

english

File:

PDF, 1.32 MB

english, 2010

46

Amperometric biosensor based on a site-specific immobilization of acetylcholinesterase via affinity bonds on a nanostructured polymer membrane with integrated multiwall carbon nanotubes

Yavor Ivanov, Ivaylo Marinov, Katya Gabrovska, Nina Dimcheva, Tzonka Godjevargova

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2010

Language:

english

File:

PDF, 790 KB

english, 2010

47

Non-isothermal bioremediation of waters polluted by phenol and some of its derivatives by laccase covalently immobilized on polypropylene membranes

S. Georgieva, T. Godjevargova, D.G. Mita, N. Diano, C. Menale, C. Nicolucci, C. Romano Carratelli, L. Mita, E. Golovinsky

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2010

Language:

english

File:

PDF, 316 KB

english, 2010

48

Amperometric electrode for determination of urea using electrodeposited rhodium and immobilized urease

Yana Velichkova, Yavor Ivanov, Ivaylo Marinov, Rajendran Ramesh, Numbi Ramudu Kamini, Nina Dimcheva, Elena Horozova, Tzonka Godjevargova

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2011

Language:

english

File:

PDF, 1.34 MB

english, 2011

49

Amperometric inhibition-based detection of organophosphorus pesticides in unary and binary mixtures employing flow-injection analysis

Ivaylo Marinov, Yavor Ivanov, Nastya Vassileva, Tzonka Godjevargova

Journal:

Sensors and Actuators B: Chemical

Year:

2011

Language:

english

File:

PDF, 732 KB

english, 2011

50

Biodegradation of phenol by Trichosporon cutaneum cells covalently bound to polyamide granules

T. Godjevargova, Z. Aleksieva, D. Ivanova, N. Shivarova

Journal:

Process Biochemistry

Year:

1998

Language:

english

File:

PDF, 389 KB

english, 1998