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Analysis, separation and physico-chemical characterization of peptide hormones by capillary electrophoresis
Šolínová, Veronika ; Jelínek, Ivan (advisor) ; Feltl, Ladislav (referee) ; Coufal, Pavel (referee) ; Samcová, Eva (referee)
I 11 CoNcr,usroNs The work bas demonstrated that capinary zone elechophoresis and micelrar electokinetic cbromatography are high-perfomrance and high-sensitive methods for qualitative and quantitative anďysis and for physico-chemicď characÚerization ofpeptide hormones. using the strategy for the rational selection of experimental conditions for cE analysis and separations ofpeptides, ionogenic peptides were separated as cations in the classical and isoelectric buffers in the acidic region, pH 2- 2'5, and as anions in amphoteric buffer in weakry arkaline conditions, pH = 8'1. Non-ionogenic peptides were analyzed by miceilar electrokinetic chromatography with micelrar phase consisting of anionic detergent sodium dodecylsulphate in alkaline conditions, pH 8.8. The experimental conditions were selected with the aim to avoid the adsorption of peptides on the capillary wall, which was particularly reached with suppression of dissociation of si'anol gÍoups on the imer capillary wall in the acidic pH region and with electrostatic repursion negatively charged peptides from negatively charged dissociation silanol groups on the inner capillary wall in the alkaline pH region. The pH values of background electrolýes were chosen in the region, where the biggest differences in calculated specific charges of analyzed...
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The application of electrophoretic and chromatographic methods in clinical research
Fauknerová Matějčková, Jana ; Samcová, Eva (advisor) ; Pacáková, Věra (referee) ; Křepela, Evžen (referee)
- The application of electrophoretic and chromatographic methods in clinical research RNDr. Jana Fauknerová Matějčková Malondialdehyde (MDA) is considered to be the main biomarker for oxidative damage to biomembranes and an elevated level of this compound can act as an indicator for a number of diseases. I determined MDA using a HPLC method based on derivatization of blood plasma samples with 2,4-dinitrophenylhydrazine. I used HPLC to separate the MDA derivatives from the other components of the blood plasma and detected them at 307 nm. The MDA analysis time did not exceed 4.5 min. The sensitivity (detection limit 0.27 mol l-1 ) and repeatability of the determination of MDA are sufficient for monitoring the MDA level in real blood plasma samples. My work also describes monitoring the level of the low-molecular secondary antioxidant of uric acid, whose concentration in the blood attains values of 140 to 350 µmol l-1 and the secondary enzymatic antioxidant of superoxide dismutase (SOD). The uric acid level was analysed by the capillary electrophoresis and spectrophotometric methods, where the two methods yielded comparable results. SOD was analysed using a spectrophotometric kit. The MDA levels were measured for vegans (who refuse to eat any food of animal origin, meat, eggs and also dairy...
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Problematika výživy masného typu ovcí plemene Charollais
SAMCOVÁ, Eva
The aim of the bachelor thesis was to elaborate the issue of feeding Charollais sheep type meat during the whole year and associated processing of nutrition system in individual season, feed and preserved feed, rams. The best feed element appears to be a pasture with plenty of fresh forage and the movement of sheep in the fresh air, which helps them to develop muscle and contributes to the good performance of the meat. Sheep are mainly reared in our country for meat, milk, skin and wool. I practiced at Kostelec Farm to get valuable information about feeding and feeding Charollais sheep. During this practice, I took 1 kg of feed (feed for sheep and goats) in the form of granules to test the dry, nitrogen, ash, coarse fiber and fat content of the test. Based on this, I compiled a table with the resulting values and compared it with the actual data.
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Analysis, separation and physico-chemical characterization of peptide hormones by capillary electrophoresis
Šolínová, Veronika ; Jelínek, Ivan (advisor) ; Feltl, Ladislav (referee) ; Coufal, Pavel (referee) ; Samcová, Eva (referee)
I 11 CoNcr,usroNs The work bas demonstrated that capinary zone elechophoresis and micelrar electokinetic cbromatography are high-perfomrance and high-sensitive methods for qualitative and quantitative anďysis and for physico-chemicď characÚerization ofpeptide hormones. using the strategy for the rational selection of experimental conditions for cE analysis and separations ofpeptides, ionogenic peptides were separated as cations in the classical and isoelectric buffers in the acidic region, pH 2- 2'5, and as anions in amphoteric buffer in weakry arkaline conditions, pH = 8'1. Non-ionogenic peptides were analyzed by miceilar electrokinetic chromatography with micelrar phase consisting of anionic detergent sodium dodecylsulphate in alkaline conditions, pH 8.8. The experimental conditions were selected with the aim to avoid the adsorption of peptides on the capillary wall, which was particularly reached with suppression of dissociation of si'anol gÍoups on the imer capillary wall in the acidic pH region and with electrostatic repursion negatively charged peptides from negatively charged dissociation silanol groups on the inner capillary wall in the alkaline pH region. The pH values of background electrolýes were chosen in the region, where the biggest differences in calculated specific charges of analyzed...
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The application of electrophoretic and chromatographic methods in clinical research
Fauknerová Matějčková, Jana ; Samcová, Eva (advisor) ; Pacáková, Věra (referee) ; Křepela, Evžen (referee)
- The application of electrophoretic and chromatographic methods in clinical research RNDr. Jana Fauknerová Matějčková Malondialdehyde (MDA) is considered to be the main biomarker for oxidative damage to biomembranes and an elevated level of this compound can act as an indicator for a number of diseases. I determined MDA using a HPLC method based on derivatization of blood plasma samples with 2,4-dinitrophenylhydrazine. I used HPLC to separate the MDA derivatives from the other components of the blood plasma and detected them at 307 nm. The MDA analysis time did not exceed 4.5 min. The sensitivity (detection limit 0.27 mol l-1 ) and repeatability of the determination of MDA are sufficient for monitoring the MDA level in real blood plasma samples. My work also describes monitoring the level of the low-molecular secondary antioxidant of uric acid, whose concentration in the blood attains values of 140 to 350 µmol l-1 and the secondary enzymatic antioxidant of superoxide dismutase (SOD). The uric acid level was analysed by the capillary electrophoresis and spectrophotometric methods, where the two methods yielded comparable results. SOD was analysed using a spectrophotometric kit. The MDA levels were measured for vegans (who refuse to eat any food of animal origin, meat, eggs and also dairy...
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Electrophoresis in short capillaries
Podhorná, Petra ; Opekar, František (advisor) ; Samcová, Eva (referee)
The laboratory-made apparatus for electrophoretic separations in short capillaries has been tested. The basic functions of the apparatus (separation efficiency, resolution, migration time) have been tested using mixture of K+ and Na+ ions. The model mixture of basic amino-acids (arginine, lysine, histidine and its derivatives, 3-methylhistidine and 1-methylhistidine) has also been separated and detected using contactless conductometric detector. Histidine in real sample of urine has also been determined. Keywords: capillary electrophoresis, short capillary, alkaline aminoacids
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Development and Application of High Performance Separation Methods in Connective Tissue Analysis
Braun, Martin ; Štulík, Karel (advisor) ; Pacáková, Věra (referee) ; Samcová, Eva (referee)
24 Annotation: This work is concerned with the development and application of high performance separation methods suitable for determination of clinically considerable fragments of collagen and elastin as the most important proteins of connective tissues. For their analyses, various chromatographic and electrophoretic methods have been used, including high performance liquid chromatography (HPLC), capillary zone electrophoresis (CZE) and micellar electrokinetic capillary chromatography (MEKC). This work has aimed at optimization of the developed and modified analytical separation procedures and methods and their utilization for determination of clinically important markers of connective tissue degradation. The key validation parameters of the analytical methods used in this work were evaluated too, which enabled their comparison with other approaches. One of the most important results of this work is thus high sensitivity, precision, repeatability and robustness of the methods which was found in a number of biological sample types. Successful was also very good HPLC separation of the analyzed cross-links in both collagen and elastin tissues. High performance methods are described which have been suggested and optimized for separation and quantitative determination of pentosidine, pyridinolines and...
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Overview of powered industrial truck utilization
Samcová, Eva ; Šařec, Petr (advisor) ; Altmann, Vlastimil (referee)
This thesis deals with the distribution of motor-handling equipment in the category and its common use. Ingestion of unusual conditions, special truck and evaluating appropriate tire choice. There are the types of additional equipment that can be placed instead of forks or directly to the fork and is incorporated herein by subsequent modification of the normal use of a motor truck after adding equipment. The thesis presents a comparison of the different categories of motor trucks ever since the two companies and firms Cesab and Linde.
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The case study of motivational structure of resiliency of kindergarten teachers
SAMCOVÁ, Eva
This case study deals with the theme of resiliency and motivational structure of kindergarten teachers. The first theoretical part focuses on a teacher?s personality, stress and burn-out syndrome connected with this profession, resilience and motivational structure. The practical part consists of four case studies, which are based on four life stories. The case studies are analysed with a help of resiliency thermometer and PCI (Personal Concern Inventory) questionnaire, which discovers a motivational structure.
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