Filters
total: 1101
-
Catalog
displaying 1000 best results Help
Search results for: plazma niskotemperaturowa
-
In vitro anticariogenic effects of Rubus caesius extracts and their quality evaluation by HPLC-DAD-MS3 analysis
Publication -
The influence of extracts from Potentilla species on normal human colon cells
Publication -
Anticariogenic effects of extracts and fractions of Potentilla recta and their antioxidant activity
Publication -
Agrimoniin up-regulates collagen biosynthesis through increase in expression of β1-integrin receptor and prolidase activity in cultured human skin fibroblasts
Publication -
Method development and validation for optimized separation of the major polyphenolics in propolis extracts using GC-MS method
Publication -
Phytochemical analysis of aerial parts of Persicaria bistorta (L.) Samp. and the evaluation of the anti-inflammatory potential of rare malonylated flavonols
Publication -
Formulation and evaluation of hydrogel containing dry extract of Tormentillae rhizoma designed for periodontal disease
Publication -
Effect of polyphenols from Aronia melanocarpa on the total oxidative and antioxidative bone status of cadmium-exposed rats
Publication -
The Potential Mechanism of Tiliroside-Dependent Inhibition of t-Butylhydroperoxide-Induced Oxidative Stress in Endometrial Carcinoma Cells
Publication -
The efficiency comparison of ramentaceone isolation from Drosera aliciae plants using normal and reversed phase preparative liquid chromatography technique
PublicationW pracy zaprezentowano optymalne warunki otrzymywania ramentaceonu z chloroformowego ekstraktu z rośliny D. muscipula. Opracowano i przedstawiono dwie procedury otrzymywania ramantaceonu z wykorzystaniem NP-PLC i RP-PLC. Dla produktu o określonej czystości, porównano maksymalny stopień przeładowania kolumny, efektywność procesu wyrażoną jako ilość substancji otrzymanej w jednostce czasu oraz produktywność kolumny, wyrażoną jako...
-
Synergistic action of extracts from carnivorous plants and synthetic peptides against plant pathoghenic bacteria
Publicationw pracy przedstawiono rezultaty badań nad sprawdzeniem aktywności przeciwbakteryjnej ekstraktów z roślin Drosera capensis i Dionaea muscipula w połączeniu z dwoma syntetycznymi peptydami: CAMEL oraz pexiganan. Najwyższą aktywnością przeciwbakteryjną odznaczał się chloroformowy ekstrakt z D. muscipula z peptydem CAMEL.
-
The antioxidant properties of anthocyanins in different Aronia products
PublicationOgromne znaczenie w patologii wielu chorób, w tym chorób układu krążenia oraz nowotworów, ma stan przewlekłego stresu oksydacyjnego. Podwyższonej produkcji reaktywnych form tlenu mogą zapobiegać naturalne przeciwutleniacze pochodzenia roślinnego. Z tego powodu przedmiotem badań w wielu ośrodkach naukowych na świecie są rośliny, których składniki charakteryzują się wysokim potencjałem przeciwutleniającym. Do takich roślin zalicza...
-
Optimal conditions of ramentaceone and plumbagin separation and isolation from carnivorous plants extracts using reverse phase-high performance liquid chromatography (RP-HPLC)
PublicationPreparatywna chromatografia cieczowa jest szczególnie przydatną techniką do rozdzielania i izolacji użytecznych ilości substancji z różnych skomplikowanych mieszanin. Praca prezentuje optymalne warunki rozdzielania i izolacji ramentaceonu i plumbaginy uwzględniając maksymalną selektywność rozdzielania naftochinonów od substancji balastowych z chloroformowych ekstraktów roślinnych D. aliciae i D. capensis z zastosowaniem techniki...
-
Optimal conditions of ramentaceone and plumbagin separation and isolation from carnivorous plants extracts using normal phase-high performance liquid chromatography (NP-HPLC)
PublicationPraca prezentuje optymalne warunki rozdzielania i izolacji plumbaginy i ramentacenu z matrycy analitycznej, którą stanowią chloroformowe ekstrakty z roślin D.aliciae i D.capensis z wykorzystaiem techniki NP-HPLC. Skład eluentu dla żelu krzemionkowego jako fazy stacjonarnej był optymalizowany. Zostały przedstawione optymalne warunki powiększania skali procesu izolacji badanych metabolitów z ekstrakrów roślinnych. Określono również...
-
Characterization of white cabbages from different cultivations by isothiocynates content and antioxidant activities
PublicationBadania epidemiologiczne wskazują, że wraz z zwiększeniem spożywania kapusty maleje ryzyko zachorowania na niektóre nowotwory. Mechanizmy przeciwrakotwórczego działania nie są do końca wyjaśnione, jednak wiele badań przeprowadzonych z wykorzystaniem zwierząt i ludzi sugeruje, że substancje występujące w tych roślinach, szczególnie izotiocyjaniany (ITC) modulują aktywność enzymów I i II fazy. Aktywność przeciwutleniająca jest innym...
-
Antibacterial activity of the secondary metabolites from in vitro cultures of Drosera aliciae
PublicationRośliny owadożerne (D. aliciae) metabolity wtórne farmakologicznie czynne substancje. Na wzrost akumulacji tychże substancji w tkankach roślin owadożernych ma wpływ dodatek elicytora. Końcowego oznaczenia zawartości metabolitów w ekstraktach roślinnych dokonano techniką chromatografii cieczowej.
-
Unusual divergence of magnetoacoustic beams
PublicationTwo-dimensional magnetosonic beams directed along a line forming a constant angle h with the equilibrium straight magnetic field are considered. Perturbations in a plasma are described by the system of ideal magnetohydrodynamic equations. The dynamics of perturbations in a beam are different in the cases of fast and slow modes, and it is determined by h and equilibrium parameters of a plasma. In particular, a beam divergence may...
-
Optimal conditions of naphthoquinones separation from carnivorous plants extracts using thin-layer chromatography and high performance liquid chromatography
PublicationDroseraceae plants are owned by the family of carnivorous plants, which in an unusual way adapt to environments poor in nutrients. Droseraceae obtain essential nutrients catching insects and other small invertebrantes. Plumbagin, chloroplumbagin, ramentaceon and droseron are naphthoquinones, which could be found in leaves and shoots of plants from Droseraceae family. In the literature there are a lot of information about the pharmacological...
-
Liquid chromatography techniques for separation of flavonoids from Droseraceae
PublicationFlavonoids which are presented in insectivorous plants of the Droseraceae family have wide range of advantageous properties i.e. an antioxidant, anti-inflammatory and antimicrobial activities, antitumor activity was reported as well.The purpose of the research was to develop the most favourable conditions for liquid chromatographic separation and identification of myricetin and quercetin in extracts of insectivorous plants. In...
-
Induction of napthoquinone and flavonoid production in Dionaea muscipula and Drosera capensis
PublicationMetabolity (naftochinony: plumbagina i ramantaceon, flawonoidy: mirecytyna i kwercetyna) z roślin Droseraceae: Dionaea muscipula i Drosera capensis są używane jako leki przeciwnowotworowe i przeciwkurczowe. Przedstawiono zdolności indukowania produkcji tych metabolitów, przez odpowiednie warunki elicytacji w hodowli in vitro.
-
Reactive deposition of TiNx layers in a DC-magnetron discharge
PublicationTiNx layers have been deposited in 'balanced mode' and 'unbalanced mode' of a reactive DC-magnetron plasma (carrier gas argon, reactive gas nitrogen) under different conditions. Discharge power and reactive gas flow have been varied. The layers have been examined by X-ray photoelectron spectroscopy (XPS), X-ray reflectometry (XR), and spectroscopic ellipsometry (SE). The results of the layer analyses were combined with plasma investigations...
-
A novel hierarchically-porous diamondized polyacrylonitrile sponge-like electrodes for acetaminophen electrochemical detection
PublicationA novel composite electrode material consisting of tangled fibrous polyacrylonitrile-based hierarchically-struc- tured nanocomposites has been produced by wet-spinning, carbonized and decorated with a carbon nano- architecture by microwave plasma-enhanced chemical vapor deposition and investigated as a metal-free electrode for the enhanced electrochemical detection of acetaminophen. Surprisingly, the hierarchical fiber ar- chitecture...
-
Influence of silver nanoparticles addition on antibacterial properties of PEO coatings formed on magnesium
PublicationMagnesium is a biodegradable material and thus could be a choice for bone fixation devices and implants with a specific purpose. This study aims to enhance the anti-corrosive, biocompatible, and antibacterial properties on magnesium-based materials through ceramic coatings formation. To achieve this the silicate-based electrolyte was used to create of Plasma Electrolytic Oxidation (PEO) coatings. During investigation the bioactive...
-
Myeloma, NOS - Female, 43 - Tissue image [3300730069474011]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 43 - Tissue image [9140730014155991]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 43 - Tissue image [9140730014156411]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 43 - Tissue image [9140730014155431]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Paget disease, extramammary - Female, 73 - Tissue image [10090730022494071]
Open Research DataThis is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Paget disease, extramammary - Female, 73 - Tissue image [10090730022497211]
Open Research DataThis is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Paget disease, extramammary - Female, 73 - Tissue image [10090730022497551]
Open Research DataThis is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Paget disease, extramammary - Female, 73 - Tissue image [10090730022492151]
Open Research DataThis is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Paget disease, extramammary - Female, 73 - Tissue image [10090730022491471]
Open Research DataThis is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 43 - Tissue image [9140730014152991]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 68 - Tissue image [3300730069479011]
Open Research DataThis is the histopathological image of BONES, JOINTS AND ARTICULAR CARTILAGE OF OTHER AND UNSPECIFIED SITES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 68 - Tissue image [7020730007255841]
Open Research DataThis is the histopathological image of BONES, JOINTS AND ARTICULAR CARTILAGE OF OTHER AND UNSPECIFIED SITES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 68 - Tissue image [7020730007255171]
Open Research DataThis is the histopathological image of BONES, JOINTS AND ARTICULAR CARTILAGE OF OTHER AND UNSPECIFIED SITES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Myeloma, NOS - Female, 43 - Tissue image [9140730014152451]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Dynamic Study of Dual High-Power Impulse Magnetron Sputtering Discharge by Optical Emission Imaging
Publication -
Electrocatalytic performance of oxygen-activated carbon fibre felt anodes mediating degradation mechanism of acetaminophen in aqueous environments
PublicationCarbon felts are flexible and scalable, have high specific areas, and are highly conductive materials that fit the requirements for both anodes and cathodes in advanced electrocatalytic processes. Advanced oxidative modi- fication processes (thermal, chemical, and plasma-chemical) were applied to carbon felt anodes to enhance their efficiency towards electro-oxidation. The modification of the porous anodes results in increased...
-
Wpływ syntetycznego polihydroksymaślanu na wybrane właściwosci nowych, otrzymanych z jego udziałem poliuretanów do zastosowań medycznych. cz II. Poliuretany z cykloalifatycznym diizocyjanianem w segmencie sztywnym. Polimery 56(1) 27-34, 2011
Publicationzsyntezowano poliuretany, w ltórych segmenty gietkie SG były zbudowane z telehelicznego, zakończonego obustronnie grupami -OH, ataktycznego polihydroksymaślanu (PHB). Wyniki DSC wskazują, że wprowadzenie PHB zaburza uporządkowanie w obrębie SG i sztywnych, zminejsza sie stopień krystaliczności, zwieksza sie nieco sorpcja wody. Test mikrobiologiczne wytworzonych PUR dowodzą skuteczności sterylizacji plazmą.
-
Unraveling the role of boron dimers in the electrical anisotropy and superconductivity in boron-doped diamond
PublicationWe use quantum mechanics (QM) to determine the states formed by B dopants in diamond. We find that isolated B sites prefer to form BB dimers and that the dimers pair up to form tetramers (BBCBB) that prefer to aggregate parallel to the (111) surface in the <110> direction, one double layer below the H-terminated surface double layer. These tetramers lead to metallic character (Mott metal Insulator Transition) with holes in the...
-
Measurement of luminance and color uniformity of displays using the large-format scanner
PublicationUniformity of display luminance and color is important for comfort and good perception of the information presented on the display. Although display technology has developed and improved a lot over the past years, different types of displays still present a challenge in selected applications, e.g. in medical use or in case of multi-screen installations. A simplified 9-point method of determining uniformity does not always produce...
-
Estimation of the environmental risk posed by landfills using chemical, microbiological and ecotoxicological testing of leachates
Publication -
Paweł Możejko dr hab.
People -
The Dynamical Projectors Method Hydro and Electrodynamics
PublicationThe dynamical projectors method proves to reduce a multicomponent problem to the simplest one-component problem with its solution determined by specific initial or boundary conditions. Its universality and application in many different physical problems make it particularly useful in hydrodynamics, electrodynamics, plasma physics, and boundary layer problems. A great variety of underlying mechanisms are included making this book...
-
Nanotechnologies in Development of Structural Materials and Biomaterials
PublicationThe nanometric materials and technologies resulted in nanostructures are reviewed. The examples of nanomaterials are shown. The typical nanotechnologies, including plastic deformation, mechanical attrition, controlled detonation, hot plasma jet synthesis, laser vaporisation, CVD and PVD, mechanical milling, annealing, ultrasonic irradiation, nanolithography, electrocrystallisation, electrospinning, sol-gel method, cryogenic laser-enhanced...
-
Photoelectrochemical characterization of nitrogen-modified TiO2
PublicationTrzy próbki tlenku tytanu(IV) o różnej zawartości azotu i różnych właściwościach fotokatalitycznych zostały wybrane do charakterystyki fotoelektrochemicznej. Efektem finalnym jest określenie położenia pasma wzbronionego i pasma przewodzenia w otrzymanych półprzewodnikach.
-
Modelowanie asymetrycznego procesu walcowania blach bimetalowych = The modeling of asymetrical rolling process of bimetallic plate
PublicationW pracy rozważano problem płynięcia plastycznego bimetalowego pasma podczas asymetrycznego procesu walcowania blach bimetalowych. Asymetrię procesu uzyskano w wyniku wprowadzenia różnic w wartościach sił tarcia na powierzchniach styku pasma z poszczególnymi walcami.
-
CSMA/CA performance under backoff attacks: a game-theoretic context.
PublicationW pracy zaproponowano markowowski model analityczny dostosowany do techniki Monte Carlo dla oceny proporcji rozdziału pasma sieci bezprzewodowej w obecności stacji z egoistyczną konfiguracją mechanizmu CSMA/CA. Udziały pasma poszczególnych stacji traktowane są jako wypłaty w grze niekooperacyjnej. Przedyskutowano własności takiej gry w zależności od wymagań stacji na jakość usług sieci (minimalne akceptowane udziały pasma). Zwrócono...
-
Self-organized multilayered graphene-boron doped diamond hybrid nanowalls for high performance electron emission devices
PublicationCarbon nanomaterials like nanotubes, nanoflakes/nanowalls and graphene have been used as electron sources due to their superior field electron emission (FEE) characteristics. Nevertheless, these materials show poor stability and a short lifetime, preventing them from being used in practical device applications. The intention of this study was to find an innovative nanomaterial, possessing both high robustness and reliable FEE behavior....