National Repository of Grey Literature 9 records found  Search took 0.01 seconds. 
Supercritical water in etching and morphing of siliceous surfaces for analytical separations
Karásek, Pavel ; Horká, Marie ; Planeta, Josef ; Roth, Michal
Applications of supercritical water in etching and morphing of siliceous surfaces for analytical separations are briefly reviewed.
Marketing in virtual environment
Karásek, Pavel ; Smutný, Zdeněk (advisor) ; Řezníček, Václav (referee)
The bachelor thesis focuses on online marketing and its connection with 4Ps of traditional marketing and SEO optimization. Thesis consists of two parts. Theoretical part defines and explains basic facts about online marketing. The 4Ps of marketing are analyzed and compared in virtual and physical environment. There are pros and cons mentioned for each environment. Practical part is dealing with the optimization of the internet website owned by hotel S.E.N. The optimization reflects the marketing needs of the hotels marketing concept. The optimization uses techniques of the online marketing which were explained in the theoretical part. The obtained results are summarized and evaluated at the end of the thesis.
Subcritical extraction as sample treatment method for antioxidant screening of various plant extracts
Hohnová, Barbora ; Šťavíková, Lenka ; Karásek, Pavel ; Roth, Michal
Pressurized Hot Water Extraction performed in both static and dynamic modes followed by HPLC with UV-ViS detection was employed for fast and efficient determination of rutin and quercetin from various berries. Moreover, the antioxidant power of subcritical extracts applying •DPPH was evaluated.
Sub-, near- and supercritical water in analytical separations and instrumentation development
Karásek, Pavel ; Šťavíková, Lenka ; Hohnová, Barbora ; Planeta, Josef ; Moravcová, Dana ; Horká, Marie ; Šlais, Karel ; Roth, Michal
Applications and prospects of subcritical and supercritical water in analytical separations and separation technologies are discussed and illustrated with several examples.
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.

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5 Karásek, Petr
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