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Search results for: witamina c
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Jacek Stefański prof. dr hab. inż.
PeopleJJacek Stefański received M.Sc., Ph.D. and D.Sc. degrees in telecommunications engineering from Gdansk University of Technology (GUT), Poland, in 1993, 2000 and 2012, respectively. Awarded title of Professor by the President of Poland in 2020. Currently, he works as a professor at the Department of Radio Communication Systems and Networks (DRCSN) in GUT. From 2005 to 2009, he worked as an assistant professor in the National Institute...
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst Du-145 cancer cells
Open Research DataThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Nutrients and Bioactive Components of Human Milk After one Year of Lactation. Implication for Human Milk Banks
PublicationObjective: Specifying the nutrient content and bioactive compounds in milk from long-term lactation for the purpose of finding additional sources of donors’ milk for HMBs. Method: Human milk samples were collected from 43 mothers of term infants (term infant human milk, TIHM) (3–6 weeks of lactation) and 50 mothers who have breastfed for over a year (long-nursing human milk, LNHM). The milk collection time was 24 hours. The analyses...
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Ustna opinia uzupełniająca dotycząca projektu budowlanego, wykonawczego i realizowanego procesu budowlanego obiektu Międzynarodowego Centrum Konferencyjnego w Katowicach (Sygn. akt II C 889/13/7)
PublicationNa zapytanie sądu oraz zainteresowanych stron będących w sporze udzielano odpowiedzi na wątpliwości i wyjaśniano warunki i skutki czasowe, organizacyjne oraz finansowe dotyczące całego procesu inwestycyjnego obejmującego projektowanie i realizację robót budowlanych prowadzonych na obiekcie MCK w Katowicach.
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Analiza strukturalna silanotiolanów : wpływ centrów kwasowych na zmiany w układzie wiązań SI-O-C oraz SI-S grupy sialkoksysilanotiolanowej w ciele stałym / J. Chojnacki.
PublicationW pracy przedstawiono wyniki badań strukturalnych silanotiolanów metali. Wyniki pochodzące z rentgenowskiej analizy strukturalnej zostały zinterpretowane w oparciu o rezultaty obliczeń kwantowo-mechanicznych. Wyznaczono 46 nowych struktur rentgenowskich silanotiolanów i przeanalizowano je łącznie z wynikami badań strukturalnych innych autorów. Zebrano i usystematyzowano wyniki rentgenowskiej analizy strukturalnej dla wszystkich...
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Significant Decrease in Glycated Hemoglobin, 2h-Post-Load Glucose and High-Sensitivity C-Reactive Protein Levels in Patients with Abnormal Body Mass Index after Therapy with Manual Lymphatic Drainage
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Erratum to “The kinetics of phenol decomposition under UV irradiation with and without H2O2 on TiO2, Fe–TiO2 and Fe–C–TiO2 photocatalysts” [Appl. Catal. B: Environ. 65 (2006) 86–92]
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Area specific resistance (at 800 °C - 500 °C) of the Sr0.86Ti0.65Fe0.35O3 porous oxygen electrodes sintered at different temperatures
Open Research DataIn this dataset are presented results of the polarization resistance of differently sintered Sr0.86Ti0.65Fe0.35O3 porous oxygen electrodes in symetrical cell. Applied sintering temperatures were 900 °C, 950 °C, 1000 °C and 1050 °C. The measurement temperature range was between 800 °C and 500 °C in stationary air. Results converted to electrode surfaces...
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Area specific resistance (at 800 °C - 500 °C) of the SrTi0.50Fe0.50O3 porous oxygen electrodes sintered at different temperatures
Open Research DataIn this dataset are presented results of the polarization resistance of differently sintered SrTi0.50Fe0.50O3 porous oxygen electrodes in symetrical cell. Applied sintering temperatures were 900 °C, 950 °C and 1000 °C. The measurement temperature range was between 800 °C and 500 °C with synthetic air flow (21% O2, 40 ml min-1). Results converted to...
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Area specific resistance (at 800 °C - 500 °C) of the SrTi0.30Fe0.70O3 porous oxygen electrodes sintered at different temperatures
Open Research DataIn this dataset are presented results of the polarization resistance of differently sintered SrTi0.30Fe0.70O3 porous oxygen electrodes in symetrical cell. Applied sintering temperatures were 900 °C, 950 °C and 1000 °C. The measurement temperature range was between 800 °C and 500 °C with synthetic air flow (21% O2, 40 ml min-1). Results converted to...
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Area specific resistance (at 800 °C - 500 °C) of the SrTi0.65Fe0.35O3 porous oxygen electrodes sintered at different temperatures
Open Research DataIn this dataset are presented results of the polarization resistance of differently sintered SrTi0.65Fe0.35O3 porous oxygen electrodes in symetrical cell. Applied sintering temperatures were 900 °C, 950 °C and 1000 °C. The measurement temperature range was between 800 °C and 500 °C with synthetic air flow (21% O2, 40 ml min-1). Results converted to...
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Paweł Filipkowski dr inż.
PeoplePaweł Filipkowski Ph.D. Biotechnology Department of Chemistry, Technology and Biotechnology of Food Faculty of Chemistry Gdansk University of Technology Narutowicza 11/12 80-233 Gdansk, Poland Tel: +48 58 3472456 e-mail: pawel.filipkowskiATpg.edu.pl Current position: Assistant Professor/Senior Lecturer*(from Jan.2019) of Biotechnology, Department of Chemistry, Technology and Biotechnology of Food, Gdansk University of Technology. Education: Eng....
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Effect of the Cooling Time in Annealing at 350°C on the Phase Transformation Temperatures of a Ni<sub>5</sub><sub>5</sub>Ti<sub>4</sub><sub>5</sub> wt. Alloy
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Area specific resistance (at 800 °C - 500 °C) of the SrTi0.30Fe0.70O3 porous oxygen electrodes at different oxygen partial pressures
Open Research DataIn this dataset are presented results of the polarization resistance of SrTi0.30Fe0.70O3 porous oxygen electrodes sintered at 800 °C. The measurement temperature range was between 800 °C and 500 °C. Applied different oxygen partial pressure flow was: 1%, 20% and 100% pO2. Results converted to electrode surfaces area and dived by two electrodes. All...
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Investigation of the C-1311 glucuronidation: an electrochemical approach
Open Research DataThis study was undertaken to investigate the glucuronidation of the compound C-1311 (5-diethylaminoethylamino-8-hydroxyimidazoacridinone – the model anticancer acridine derivative) using electrochemistry/mass spectrometry (EC/MS) as a complementary technique to in vitro (liver microsomes) and in silico approaches.
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Rapana venosa consumption improves the lipid profiles and antioxidant capacities in serum of rats fed an atherogenic diet
PublicationIn the recent years, the consumption of seafood has increased. There are no results on the studies of Rapana venosa (Rv) as a supplementation to the diets. We hypothesized that Rv would increase antioxidant capacity and reduce blood lipids, based on the composition of bioactive compounds and fatty acids. Therefore, the aim of this investigation was to evaluate in vitro and in vivo actions of Rv from contaminated (C) and non-C (NC)...
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Characterization of Bioactivity of Selective Molecules in Fruit Wines by FTIR and NMR Spectroscopies, Fluorescence and Docking Calculations
PublicationFourier transform infrared (FTIR) and proton nuclear magnetic resonance (1H NMR) spectroscopies were applied to characterize and compare the chemical shifts in the polyphenols’ regions of some fruit wines. The obtained results showed that FTIR spectra (1800–900 cm−1) and 1H NMR (δ 6.5–9.3 ppm) of different fruit wines can be used as main indices of the year of vintage and quality of fruit wines. In addition to the classical determination...
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Chemical, Aroma and Pro-Health Characteristics of Kaffir Lime Juice—The Approach Using Optimized HS-SPME-GC-TOFMS, MP-OES, 3D-FL and Physiochemical Analysis
PublicationThe study aimed to provide the chemical, aroma and prohealth characteristics of the kaffir lime juice. A procedure using solid-phase microextraction with gas chromatography (SPME-GC-TOFMS) was optimized and validated for the determination of terpenes of kaffir lime. Main physicochemical parameters: pH, vitamin C, citric acid and °Brix were evaluated. Micro- and macro elements were determined using microwave plasma optic emission...
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells
Open Research DataTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst H460 cancer cells
Open Research DataThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst H460 cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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In vitro enzyme kinetics and NMR-based product elucidation for glutathione S-conjugation of the anticancer unsymmetrical bisacridine C-2028 in liver microsomes and cytosol: major role of glutathione S-transferase M1-1 isoenzyme
PublicationThis work is the next step in studying the interplay between C-2028 (anticancer-active unsymmetrical bisacridine developed in our group) and the glutathione S-transferase/glutathione (GST/GSH) system. Here, we analyzed the concentration- and pH-dependent GSH conjugation of C-2028 in rat liver microsomes and cytosol. We also applied three recombinant human GST isoenzymes, which altered expression was found in various tumors. The...
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The new type of [Zr6(μ3-O)4 (μ3-OH)4] cluster core: Crystal structure and spectral characterization of [Zr6O4(OH)4(OOCR)12] (R = Bu^t^,C(CH3)2Et)
PublicationSześciojądrowe oxo karboksylowe kompleksy cyrkonu(IV) zostały otrzymane z Zr(OR')4 i odpowiednich kwasów organicznych HOOCR (R=t-Bu, CMe2Et) w stosunku molowym 1:2. Struktury krystaliczne dwóch związków o wzorze [Zr6O4(OH)4(OOCR)12] (1 dla R=t-Bu i 2 dla R=-CMe2Et) zostały rozwiązane w grupie przestrzennej R-3. Substancje zostały przebadane termograwimetrycznie (TGA/DTA) oraz przy użyciu spektroskopii w podczerwieni ze zmienną...
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Increased cytotoxicity of an unusual DNA topoisomerase II inhibitor compound C-1305 toward HeLa cells with downregulated PARP-1 activity results from re-activation of the p53 pathway and modulation of mitotic checkpoints
PublicationOur previous studies have shown that murine fibroblast cells, in which PARP-1 gene was inactivated by gene disruption, are extremely sensitive to triazoloacridone compound C-1305, an inhibitor of DNA topoisomerase II with unusual properties. Here, we show that pharmacological inhibition of PARP-1 activity by its inhibitor compound NU1025, sensitizes human cervical carcinoma HeLa cells to compound C-1305 compared to treatment with...
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JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst MRC-5 normal cells
Open Research DataTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst MRC-5 normal cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst Du-145 cancer cells
Open Research DataTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Paweł Burdziakowski dr inż.
PeoplePaweł Burdziakowski, PhD, is a professional in low-altitude aerial photogrammetry and remote sensing, marine and aerial navigation. He is also a licensed flight instructor and software developer. His main areas of interest are digital photogrammetry, navigation of unmanned platforms and unmanned systems, including aerial, surface, underwater. He conducts research in algorithms and methods to improve the quality of spatial measurements...
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The impact of QDgreen, QDgreen−β−CD−FA, β−CD, C−2028, β−CD(C−2028), QDgreen−C−2028, and QDgreen−β−CD(C−2028)−FA nanoconjugates on lysosomal content in the cancer (H460, Du-145, LNCaP) and normal (MRC-5, PNT1A) cells
Open Research DataThe impact of QDgreen, QDgreen−β−CD−FA, β−CD, C−2028, β−CD(C−2028), QDgreen−C−2028, and QDgreen−β−CD(C−2028)−FA nanoconjugates on lysosomal content in the cancer (H460, Du-145, LNCaP) and normal (MRC-5, PNT1A) cells was performed by Confocal Laser Scanning Microscopy (63× magnification; ZEISS LSM T-PMT, Magdeburg, Germany). To explore the influence...
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Anna Mietlarek-Kropidłowska dr inż.
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Agnieszka Potęga dr inż.
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Wyznaczenie charakterystyk eksploatacyjnych przy użyciu programu numerycznego dla siłowni turbinowej z przegrzewem międzystopniowym z klasycznym reaktorem w zmiennych warunkach pracy dla parametrów 28 MPa/550/580 °C.
PublicationOpisano badania obiegu w zmiennych warunkach pracy. Przebieg charakterystyk o mocy projektowej 600 MW i ciśnieniu w skraplaczu 4 kPa w warunkach pozaprojektowych otrzymano poprzez zmianę wartości ciśnienia w skraplaczu i strumienia masy pary świeżej. Zaobserwowano, że zostały uzyskane niewielkie zmiany względne jednostkowego zużycia ciepła oraz mocy. Wystąpienie tych zmian spowodowane zostało zmiennymi warunkami pracy skraplacza...
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Cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 2
Open Research DataThis study presents absorbance of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 2). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 3
Open Research DataThis study presents absorbance of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 3). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Calculations of the resistance values of 20 thermistors at 0°C
Open Research DataThe presented data set is part of the research aimed at determining the actual characteristics of each thermistor in a package of twenty NTC10k type sensors.
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Calibration of NTC 10k thermistors in temperature of 0 C
Open Research DataThe presented data set is part of the research aimed at determining the actual characteristics of each thermistor in a package of twenty NTC10k type sensors.
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Calibration of NTC 10k thermistors in temperature of 100 C
Open Research DataThe presented data set is part of the research aimed at determining the actual characteristics of each thermistor in a package of twenty NTC10k type sensors.
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Calculations of the resistance values of 20 thermistors at 100°C
Open Research DataThe presented data set is part of the research aimed at determining the actual characteristics of each thermistor in a package of twenty NTC10k type sensors.
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Calibration of NTC 10k thermistors in temperature of 50 C
Open Research DataThe presented data set is part of the research aimed at determining the actual characteristics of each thermistor in a package of twenty NTC10k type sensors.
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Calculations of the resistance values of 20 thermistors at 50°C
Open Research DataThe presented data set is part of the research aimed at determining the actual characteristics of each thermistor in a package of twenty NTC10k type sensors.
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BET of TiO2 heated at 400-600 C degrees
Open Research DataThese data refer to the results of BET surface area of TiO2, which was treated firstly in autoclave at 150 C degrees for 1h (sample marked as A150), then was further heat treated in Ar or H2 at 400-600 C degrees. As a raw material TiO2 was used, which was a semiproduct from the industrial production of titania white by sulphur method. The raw material...
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Chemia żywności 2023/2024 sem. letni
e-Learning CoursesCelem kursu jest przekazanie wiedzy o właściwościach głównych składników żywności, w tym białek, sacharydów i lipidów oraz wody, składników mineralnych i witamin.
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C Chan
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Effect of package type on selected parameters of nutritional quality of chill-stored white sauerkraut
PublicationBrassica vegetables, including white cabbage, both fresh and sour (Brassica oleracea L. var. capitata L.), contain a lot of valuable metabolites which are effective in chemoprevention of cancer as documented by numerous studies. This work investigates the effect of different packaging types; low density polyethylene (PE-LD) and metalized polyethylene terephthalate (PET met/PE) with polyethylene bags on selected quality parameters in...
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Rebuttal from L. E. K. Ratcliffe, W. Pijacka, F. D. McBryde, A. P. Abdala, D. J. Moraes, P. A. Sobotka, E. C. Hart, K. Narkiewicz, A. K. Nightingale and J. F. R. Paton
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Distribution of Relaxation Times analysis results of impedance of porous Sr0.86Ti0.65Fe0.35O3 oxygen electrode (sintered at 1000 °C) as a function of oxygen partial pressure at 800 °C
Open Research DataThis dataset contains results of Distribution of Relaxation Times analysis (DRT) of impedance of porous Sr0.86Ti0.65Fe0.35O3 oxygen electrode as a function of oxygen partial pressure at 800 °C. Electrode was sintered at 1000 °C and measured at different oxygen partial pressures (10% pO2, 1% pO2, 0.1% pO2).
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Glutathione conjugation of the antitumor-active 1-nitroacridine derivatives compounds C-857 and C-1748 – the major role of glutathione S-transferase M1-1
Open Research DataObjectives: C-857 and C-1748 are antitumor-active agents, monomers of unsymmetrical bisacridine derivatives. The aim of this study was to analyze their glutathione (GSH) conjugation in vitro in the presence of glutathione S-transferase (GST) M1-1.
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Detailed results of shaping personnel risk factors in enterprise C
Open Research DataThe data presents the shape of all the researched personnel risk factors in the C enterprise (which was tested by the author). Further considerations should be started with the presentation of the synthesis of the obtained results, which is presented in this research data.
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Carbon balance of SOFC fueled by biogas mixture at 750 C
Open Research DataThe dataset contains the calculated carbon balance for the SOFC fueled by synthetic biogas mixture (60:40 CH4:CO2). The outlet concentration of the gases from SOFC were measured using novel FTIR-based unit.
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The SEM images of LSCNT sintered at 1200 degrees C in air
Open Research DataThe dataset includes SEM images of La0.27Sr0.54Ce0.09Ni0.1Ti0.9O3-s sintered at 1200oC under air atmosphere for 12 h. Samples were produced using aqueous soft chemistry methods (Pechini). The grain structure can be seen on higher resolution image.
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Marek Blok dr hab. inż.
PeopleMarek Blok in 1994 graduated from the Faculty of Electronics at Gdansk University of Technology receiving his MSc in telecommunications. In 2003 received Ph.D. and in 2017 D.Sc. in telecommunications from the Faculty of Electronics, Telecommunications and Informatics of Gdańsk University of Technology. His research interests are focused on application of digital signal processing in telecommunications. He provides lectures, laboratory...