National Repository of Grey Literature 474 records found  beginprevious468 - 474  jump to record: Search took 0.02 seconds. 
Degradace nonylfenolu impulsním elektrickým výbojem ve vodě
Tothová, I. ; Janda, V. ; Lukeš, Petr ; Člupek, Martin ; Babický, Václav
Degradation of technical mixture of nonylphenol by the pulsed corona discharge in water has been investigated. It was shown that non-thermal plasma generated by the discharge can effectively remove nonylphenol from water. Degradation of nonylphenol followed first order kinetics. The removal efficiency was dependent on the solution conductivity, while a higher degradation was obtained with higher conductivity. Oxidation of nonylphenol by OH radical attack was proposed as possible mechanism of degradation by the discharge in water.
Extraction and determination of flavonoids in Stevia rebaudiana leaves by pressurized solvent and HPLC
Hohnová, Barbora ; Omelková, J. ; Vespalcová, M. ; Karásek, Pavel
Determination of selected flavonoids in Stevia rebaudiana leaves by HPLC. Comparison of extraction techniques, PFE, soxhlet extraction and ultrasound assisted extraction.
Analytical issues of traditional and new cyanotoxins
Bláhová, Lucie ; Oravec, M. ; Šimek, Z. ; Maršálek, Blahoslav ; Bláha, Luděk
Summary of information about MC and CYN analytics (ELISA, HPLC etc.)
Příprava a charakterizace [Glu]n peptidů
Šolínová, Veronika ; Přibylová, Marie ; Kašička, Václav ; Vaněk, Tomáš ; Barthová, J. ; Barth, Tomislav ; Lepša, L.
Several oligomers of L-glutamic acid (n = 2-10) were synthesized by a solid phase method, analyzed and separated by capillary zone electrophoresis (CZE) as anions in alkaline background electrolytes of different composition at pH range 8.1-10.0.
Růstová inhibiční aktivita extraktů z rostlin rodu Reynoutria na larvách Spodoptera littoralis
Pavela, R. ; Vrchotová, Naděžda ; Šerá, Božena
Extracts from three Reynoutria species inhibited larval growth of all tested concentrations.
Stanovení stopového množství linkomycinu ve fermentační tekutině modifikovaných kmenů Streptomyces metodou HPLC a UPLC
Olšovská, Jana ; Jelínková, Markéta ; Man, Petr ; Flieger, Miroslav ; Koběrská, Markéta
UPLC and HPLC method development for lincomycin determination in fermentation broth (sample matrix) in concentration range 0.1-100 µg/ml. Method application for lincomycin determination after different types of genetic manipulations in lincomycin biosynthetic cluster
Fomes fomentarius fruit body - a model for decompositionof cellulose in vivo
Gabriel, Jiří ; Baldrian, Petr ; Merhautová, Věra ; Kofroňová, Olga ; Král, J. ; Proška, J.
Activities of both cellulolytic and ligninolytic enzymes and heavy metal content in fruit body of Fomes fomentarius were studied. The activities of ligninolytic enzymes were higher in the core.

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