Search Results - "Tonkova, A"

Soft matrix is a natural stimulator for cellular invasiveness by Gu, Zhizhan, Liu, Fei, Tonkova, Elina A, Lee, Soo Young, Tschumperlin, Daniel J, Brenner, Michael B

“…Directional mesenchymal cell invasion in vivo is understood to be a stimulated event and to be regulated by cytokines, chemokines, and types of extracellular…”
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Thermostable exo-inulinase production by semicontinuous cultivation of membrane-immobilized Bacillus sp. 11 cells by Uzunova, K., Vassileva, A., Ivanova, V., Spasova, D., Tonkova, A.

“…Growing cells of thermophilic Bacillus sp. 11, producer of a thermostable exo-inulinase, were immobilized on formaldehyde-activated polysulphone membranes. The…”
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Bacterial cyclodextrin glucanotransferase by Tonkova, Alexandra

“…Cyclodextrin glucanotransferase (CGTase, EC 2.4.1.19) is an enzyme which catalyzes intramolecular (cyclizing) and intermolecular (coupling, disproportionation)…”
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Influence of the immobilization conditions on the efficiency of α-amylase production by Bacillus licheniformis by Dobreva, E., Ivanova, V., Tonkova, A., Radulova, E.

“…Bacillus licheniformis 44MB82-A cells were immobilized in alginate and agar gels. The optimal immobilization parameters (gel concentration, initial cell…”
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Immobilization of Bacillus licheniformis cells, producers of thermostable α-amylase, on polymer membranes by DOBREVA, E, TONKOVA, A, LVANOVA, V, STEFANOVA, M, KABAIVANOVA, L, SPASOVA, D

“…Cells of Bacillus licheniformis 44MB82-G immobilized on different polymer membranes were used for production of thermostable alpha -amylase. The alpha -amylase…”
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Thermostable α-amylase production by immobilized Bacillus licheniformis cells in agar gel and on acrylonitrile/acrylamide membranes by TONKOVA, A, IVANOVA, V, DOBREVA, E, STEFANOVA, M, SPASOVA, D

“…Immobilized cells of Bacillus licheniformis 44MB82-G were used for the production of thermostable alpha-amylase. The immobilization was carried out by…”
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Thermostable α-amylase production by Bacillus licheniformis cells immobilized on polyacrylates with cyclic carbonate groups in the side chain by DOBREVA, E, IVANOVA, V, STEFANOVA, M, TONKOVA, A, KABAIVANOVA, L, SPASSOVA, D

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Agar gel immobilization of Bacillus brevis cells for production of thermostable α-amylase by STEFANOVA, M. E, TONKOVA, A. I, DOBREVA, E. P, SPASOVA, D. I

“…Growing cells of a thermophilic strain of Bacillus brevis, producer of thermostable alpha -amylase, were immobilized by entrapment in agar gel. Optimum…”
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Screening of a growing cell immobilization procedure for the biosynthesis of thermostable alpha-amylases by Ivanova, V, Stefanova, M, Tonkova, A, Dobreva, E, Spassova, D

“…Studies were carried out on alpha-amylase production with immobilized cells of two Bacillus strains. High yields of thermostable alpha-amylases were obtained…”
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Agar gel immobilization ofBacillus brevis cells for production of thermostable α-amylase by Stefanova, M. E., Tonkova, A. I., Dobreva, E. P., Spasova, D. I.

“…Growing cells of a thermophilic strain ofBacillus brevis, producer of thermostable α-amylase, were immobilized by entrapment in agar gel. Optimum…”
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Isolation of Novel Alkaliphilic Bacillus Strains for Cyclodextrin Glucanotransferase Production by Atanasova, N, Petrova, P, Ivanova, V, Yankov, D, Vassileva, A, Tonkova, A

“…New alkaliphilic Bacillus producers of cyclodextrin glucanotransferase (CGTase, EC 2.4.1.19) were isolated from 17 Bulgarian alkaline and normal habitats…”
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Continuous cyclodextrin glucanotransferase production by free and immobilized cells of Bacillus circulans ATCC 21783 in bioreactors by Vassileva, Anna, Beschkov, Venko, Ivanova, Viara, Tonkova, Alexandra

“…Four systems for a continuous cyclodextrin glucanotransferase (CGTase) production by Bacillus circulans ATCC 21783 were studied: free cells in a stirred…”
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Cyclodextrin glucanotransferase production by free and agar gel immobilized cells of Bacillus circulans ATCC 21783 by Vassileva, Anna, Burhan, Nigar, Beschkov, Venko, Spasova, Dimitrina, Radoevska, Spasimira, Ivanova, Viara, Tonkova, Alexandra

“…Cyclodextrins (CDs) are produced industrially from starch using bacterial cyclodextrin glucanotransferases (CGTase, EC 2.4.1.19). Batch cultivation of…”
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Production and Properties of a Bacterial Thermostable Exo-inulinase by Uzunova, Kristina, Vassileva, Anna, Kambourova, Margarita, Ivanova, Viara, Spasova, Dimitrina, Mandeva, Rositza, Derekova, Anna, Tonkova, Alexandra

“…Enzyme production of newly isolated thermophilic inulin-degrading Bacillus sp. 11 strain was studied by batch cultivation in a fermentor. The achieved…”
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Immobilization of Bacillus licheniformis cells, producers of thermostable ?-amylase, on polymer membranes by Dobreva, E, Tonkova, A, Ivanova, V, Stefanova, M, Kabaivanova, L, Spasova, D

“…Cells of Bacillus licheniformis 44MB82-G immobilized on different polymer membranes were used for production of thermostable α-amylase. The α-amylase yields of…”
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Thermostable 1-amylase production by Bacillus licheniformis cells immobilized on polyacrylates with cyclic carbonate groups in the side chain by Dobreva, E., Ivanova, V., Stefanova, M., Tonkova, A., Kabaivanova, L., Spassova, D.

“…A considerable increase (up to 35%) of thermostable a-amylase yield was achieved by Bacillus licheniformis cells, immobilized on polymers containing cyclic…”
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Thermostable alpha -amylase production by Bacillus licheniformis cells immobilized on polycrylates with cyclic carbonate groups in the side chain by Dobreva, E, Ivanova, V, Stefanova, M, Tonkova, A, Kabaivanova, L, Spassova, D

“…A considerable increase (up to 35%) of thermostable alpha -amylase yield was achieved by Bacillus licheniformis cells, immobilized on polymers containing…”
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Functional half-life of the alpha-amylase mRNA of Bacillus licheniformis by Tonkova, A, Pazlarová, J, Emanuilova, E, Stoeva, N

“…Some aspects of the regulation of alpha-amylase synthesis in Bacillus licheniformis CCM 2205 were investigated. The effect of actinomycin D and chloramphenicol…”
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Characterization and cultural conditions of a novel cyclodextrin glucanotransferase-producing Bacillus stearothermophilus strain by Stefanova, Miglena E., Tonkova, Alexandra I., Miteva, Vanja I., Dobreva, Elena P.

“…A cyclodextrin glucanotransferase (CGTase)‐producing thermophilic bacterium (strain 2/2) was iso‐lated from Bulgarian hyperthermal springs with a temperature…”
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Agar gel immobilization ofBacillus brevis cells for production of thermostable a-amylase by Stefanova, ME, Tonkova, AI, Dobreva, E P, Spasova, DI

“…Growing cells of a thermophilic strain ofBacillus brevis, producer of thermostable a-amylase, were immobilized by entrapment in agar gel. Optimum…”
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