Number of found documents: 509
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Methodology of determination of free cyanide (CN-) in industrial wastewaters
Kaplan, Ondřej; Chmátal, Martin; Veselá, Alicja Barbara; Rinágelová, Anna; Martínková, Ludmila
2015 - Czech
This work summarizes the current state in the methodology of CN- determination particularly in industrial wastewaters. It also describes in detail the determination of cyanide ions after their enzymatic conversion into formamide, which is determined by HPLC (including the method of preparation of the enzyme). Práce shrnuje aktuální metodiky stanovení CN- zejména v průmyslových odpadních vodách. Je zde dále podrobně popsán způsob stanovení kyanidových iontů po jejich enzymové konverzi na formamid, který se stanoví pomocí HPLC. Keywords: cyanide; HPLC; formamide Available at various institutes of the ASCR
Methodology of determination of free cyanide (CN-) in industrial wastewaters

This work summarizes the current state in the methodology of CN- determination particularly in industrial wastewaters. It also describes in detail the determination of cyanide ions after their ...

Kaplan, Ondřej; Chmátal, Martin; Veselá, Alicja Barbara; Rinágelová, Anna; Martínková, Ludmila
Mikrobiologický ústav, 2015

Preparation of biodegradative biomass endowed with a high enzymatic activity
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
2015 - Czech
Preparation of microbial biomass for biodegradations od polluted waters and soils endowed with a high enzymatic activity for specific substrates. Příprava mikrobiální biomasy pro biodegradace znečištěných vod a půd s vysokou enzymatickou aktivitou pro štěpení typických substrátů. Keywords: microbial production Available at various institutes of the ASCR
Preparation of biodegradative biomass endowed with a high enzymatic activity

Preparation of microbial biomass for biodegradations od polluted waters and soils endowed with a high enzymatic activity for specific substrates.

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
Mikrobiologický ústav, 2015

Microbial preparation of intracellular oxidoreductases for food purposes
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
2015 - English
Development and optimization of pilot cultivations and DSP of induced intracellular oxidoreductases microbial productions.\n\n Keywords: enzyme production Available at various institutes of the ASCR
Microbial preparation of intracellular oxidoreductases for food purposes

Development and optimization of pilot cultivations and DSP of induced intracellular oxidoreductases microbial productions.\n\n

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
Mikrobiologický ústav, 2015

Optimization and scale-up of production technology of bacterial polymers
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
2015 - Czech
Optimization and scale-up of technology of biopolymers' preparation by bacterial cultivation using waste material. Usage in preparation of biodegradable plastics. Optimalizace a scale up technologie přípravy biopolymerů bakteriální kultivací na odpadní surovině. Využití pro přípravu biodegradovatelných plastů. Keywords: microbial production; downstream processing; scale-up Available at various institutes of the ASCR
Optimization and scale-up of production technology of bacterial polymers

Optimization and scale-up of technology of biopolymers' preparation by bacterial cultivation using waste material. Usage in preparation of biodegradable plastics.

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
Mikrobiologický ústav, 2015

BIOGENIC AND SYNTHETIC AMORPHOUS SILICA - COMPARE AND INTERACTION WITH BACTERIAL SYSTEMS
Fijalkowski, M.; Adach, K.; Marešová, Helena; Kroisová, D.
2015 - English
The aim of the work is to compare the biogenic silica nanoparticles, which have been isolated from rice husks with synthetically produced silica brand Cab-O-Sil LM-150. The comparison is based on an evaluation of the two systems from the point of view of chemical composition, particle size and structure, ability to form clusters of particles and interactions with selected bacterial systems. Methods used for comparison were: SEM, EDX, TEM, FTIR, ICPOES and bacteriological tests. Husks are standardly contaminated by accompanying ions that are important for plant growth, but undesirable for obtaining a quality product. Rice husk used for the silica isolation were purified by boiling in 10% HCl for 2 hours. Rice husks were then washed with distilled water until pH 7. The dried and purified husks were burned in an oven at 650 degrees C of ramping temperature 10 degrees C/min during 2 hours. The obtained product has a chemical composition analogous to the synthetic product. Biogenic particles reach a size of about 20 nm, about 10 nm synthetic. Both materials have an amorphous structure. Interaction with bacterial systems was performed with Gram-negative bacteria Escherichia coli W3110 strain and Gram-positive bacteria Bacillus cereus. In both cases analogous behaviour was observed depending on the concentration of nanoparticles and reducing the growth rate of cultures of 8% for E. coli and 5% for B. cereus resulted nanoparticles at the concentration of 150 mg/litter of medium. Keywords: Biogenic silica; synthetic silica; chemical composition Available at various institutes of the ASCR
BIOGENIC AND SYNTHETIC AMORPHOUS SILICA - COMPARE AND INTERACTION WITH BACTERIAL SYSTEMS

The aim of the work is to compare the biogenic silica nanoparticles, which have been isolated from rice husks with synthetically produced silica brand Cab-O-Sil LM-150. The comparison is based on an ...

Fijalkowski, M.; Adach, K.; Marešová, Helena; Kroisová, D.
Mikrobiologický ústav, 2015

Production of sample of testing siderophore preparation
Palyzová, Andrea; Kyslík, Pavel
2015 - Czech
Description of batch culture process of fur mutant of wild strain Pseudomonas aeruginosa PAO1 for siderophores production in continuously stirred bioreactor and preparation of lyophilized mixed siderophores (pyoverdin and pyochelin) sample. Popis průběhu jednorázové kultivace fur mutanta kmene Pseudomonas aeruginosa PAO1 pro produkci sideroforů v míchaném bioreaktoru a příprava lyofilizovaného vzorku směsi sideroforů (pyoverdin a pyochelin). Keywords: batch culture; siderophores; Pseudomonas aeruginosa Available at various institutes of the ASCR
Production of sample of testing siderophore preparation

Description of batch culture process of fur mutant of wild strain Pseudomonas aeruginosa PAO1 for siderophores production in continuously stirred bioreactor and preparation of lyophilized mixed ...

Palyzová, Andrea; Kyslík, Pavel
Mikrobiologický ústav, 2015

Development of the cultivation technology of the recombinant yeast Pichia pastoris for enzymes' preparation.
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
2015 - Czech
Development and optimization of the cultivation technology of the methylotrophic yeast Pichia pastoris for the preparation of enzymes serving to the treatment of feed mixtures of piglets. Vývoj a optimalizace kultivační technologie metylotrofní kvasinky Pichia pastoris pro přípravu enzymů pro úpravu krmných směsí selat. Keywords: Pichia production Available at various institutes of the ASCR
Development of the cultivation technology of the recombinant yeast Pichia pastoris for enzymes' preparation.

Development and optimization of the cultivation technology of the methylotrophic yeast Pichia pastoris for the preparation of enzymes serving to the treatment of feed mixtures of piglets.

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
Mikrobiologický ústav, 2015

Development of pilot production of inactivated bacterial lysates
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Urban, M.
2015 - Czech
Development and optimization of the pilot production of inactivated bacterial lysates for the production of dietary supplements Vývoj a optimalizace pilotní přípravy inaktivovaných bakteriálních lyzátů pro přípravu potravinových doplňků. Keywords: bacterial production Available at various institutes of the ASCR
Development of pilot production of inactivated bacterial lysates

Development and optimization of the pilot production of inactivated bacterial lysates for the production of dietary supplements

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Urban, M.
Mikrobiologický ústav, 2015

Preparation of inactivated bacterial biomass.
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav
2015 - Czech
Development and optimization of the pilot production of inactivated bacterial biomass for the production of dietary supplements. Vývoj a optimalizace pilotní přípravy inaktivované bakteriální biomasy pro přípravu potravinových doplňků. Keywords: bacterial production Available at various institutes of the ASCR
Preparation of inactivated bacterial biomass.

Development and optimization of the pilot production of inactivated bacterial biomass for the production of dietary supplements.

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav
Mikrobiologický ústav, 2015

Vývoj technologie pilotní přípravy chitinázy
Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
2014 - English
Development and optimization of the production of extracellular chitinase by the natural producer and also by recombinant host. Cultivation technology and down-stream processing. Keywords: enzyme production; bacterial production; submergeed aerobic cultivation Available at various institutes of the ASCR
Vývoj technologie pilotní přípravy chitinázy

Development and optimization of the production of extracellular chitinase by the natural producer and also by recombinant host. Cultivation technology and down-stream processing.

Prell, Aleš; Kujan, Petr; Sobotka, Miroslav; Šafář, Hynek
Mikrobiologický ústav, 2014

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