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wszystkich: 1988
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- Publikacje 1541 wyników po odfiltrowaniu
- Czasopisma 23 wyników po odfiltrowaniu
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Wyniki wyszukiwania dla: ELECTROCHEMICAL DNA BIOSENSOR
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The Protective Effect of Dabigatran and Rivaroxaban on DNA Oxidative Changes in a Model of Vascular Endothelial Damage with Oxidized Cholesterol
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The protective effect of dabigatran and rivaroxaban on DNA oxidative changes in a model of vascular endothelial damage with oxidized cholesterol
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Erratum to: Effects of flavonoids on expression of genes involved in cell cycle regulation and DNA replication in human fibroblasts
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Implementing fuzzy logic to generate user profile in decisional DNA television: the concept and initial case study
PublikacjaIn the paper the concept and case study of a novel approach that generates a television user's profile utilizing principles of fuzzy logic is presented.
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Rengel Cane Sia Doctoral Candidate
OsobyI'm Rengel, born and raised in the Philippines. As an undergraduate I did kinetic modeling on Copper-catalyzed atom transfer radical addition (ATRA). Then I was inspired to do both theoretical and experimental studies, which led me to propose my master's thesis on Synthesis, Computational, Electrochemical, and Photoconductivity Studies on Naphthalene and its derivatives. This led to a master's degree in Chemistry in the Mindanao...
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Design, synthesis and high antitumor potential of new unsymmetrical bisacridine derivatives towards human solid tumors, specifically pancreatic cancers and their unique ability to stabilize DNA G-quadruplexes
PublikacjaNew promising unsymmetrical bisacridine derivatives (UAs), have been developed. Three groupsincluding 36 compounds were synthesized by the condensation of 4-nitro or 4-methylacridinone, imi-dazoacridinone and triazoloacridinone derivatives with 1-nitroacridine compounds linked with anaminoalkyl chain. Cytotoxicity screening revealed the high potency of these compounds against severaltumor cell lines. Particularly, imidazoacridinone-1-nitroacridine...
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ELECTROCHEMICAL AND SOLID STATE LETTERS
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Influence of the Square Wave Voltage on Dynamical Properties of a Flat Voltammetric Electrode in the Time Domain by the Electrochemical Reversible Reaction
PublikacjaIn this article there is a presentation of the analysis of the polarizing voltage shape influencing dynamic properties of voltammetric electrodes when on their surface reversible reaction takes place in the time domain. The electrode polarization with linearly increasing voltage and with a square component, was analyzed. The analysis that were conducted showed that the voltammetric electrode behaves like a first order transducer....
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Correlation between destruction of the metal surface caused by pitting corrosion and intensity of the observed electrochemical noise (Invited Paper)
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Determination of occurrence of anodic excursion peaks by dynamic electrochemical impedance spectroscopy, atomic force microscopy and cyclic voltammetry
PublikacjaStruktura oraz skład warstw anodowych na ołowiu najbardziej zależy od; dodatków stopowych, stężenia kwasu siarkowego oraz od zakresu potencjału. Zjawisko powstawania pików "anodic excursion peaks" od zawsze było w centrum uwagi wielu naukowców. W tej pracy zachowanie się powyższego zjawiska (AEP) zostało zbadane metodami dynamicznej elektrochemicznej spektrokopii impedancyjnej, mikroskopu sił atomowych oraz chronowoltamperometrii....
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Pitting corrosion characterization by electrochemical noise measurements on asymmetric electrodes. [DOI 10.1007/s10008-008-0643-y]
PublikacjaObecność korozji wżerowej może być wykryta na podstawie występowania charakterystycznych przebiegów prądu płynącego między dwiema elektrodami, których wyprowadzenia są zwarte. Autorzy proponują nową metodę, która zachowuje informacje o stałej czasowej tych charakterystycznych dla procesów wżerowania przebiegów. Metoda została zastosowana do analizy szumów występujących podczas korozji stali 0H18N9 pod wpływem 1M roztworu FeCl3...
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Electrochemical characterization of a composite comprising PEDOT/PSS and N doped TiO2 performed in aqueous and non-aqueous electrolytes
PublikacjaNitrogen doped titania (N-TiO2) was used as an inorganic component of composite electrodes containing poly(3,4-ethylenedioxythiophene) with poly(4-styrenesulphonate) PEDOT/PSS/N-TiO2. The composite materials were obtained by direct electrodeposition from an N-TiO2 suspension containing polyelectrolyte (NaPSS) and monomer EDOT. The electrodes were electrochemically tested in aqueous and non-aqueous electrolytes using cyclic voltammetry...
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Corrosion studies using potentiodynamic and EIS electrochemical techniques of welded lean duplex stainless steel UNS S82441
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Unique agreement of experimental and computational infrared spectroscopy: a case study of lithium bromide solvation in an important electrochemical solvent
PublikacjaInfrared (IR) spectroscopy is a widely used and invaluable tool in the studies of solvation phenomena in electrolyte solutions. Using state-of-the-art chemometric analysis of a spectral series measured in a concentration-dependent manner, the spectrum of the solute-affected solvent can be extracted, providing a detailed view of the structural and energetic states of the solvent molecules influenced by the solute. Concurrently,...
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Comparative Study of Taste Substance Sensing by Liquid Membrane Oscillator and Electrochemical Systems With All-Solid-State Electrodes
PublikacjaIn food industry, different types of sensors are used for characterizing and quantifying taste substances. Therefore, it is important to establish the principal advantages and disadvantages of these sensors for optimal application. In this paper, two possible systems are compared for sensing the four fundamental tastes: sour (citric acid), salty (sodium chloride), sweet (sucrose), and bitter (caffeine or quinine hydrochloride). One...
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Electrochemical analysis of the passive layer cracking process on A95052 aluminium alloy performed by means of DC and AC techniques
PublikacjaPraca dotyczy porównania zastosowania technik stało- i zmiennoprądowych do badania pękania warstwy pasywnej na różnych stopach aluminum podczas testów rozciągania mechanicznego w warunkach polaryzacji anodowej.
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Electrochemical methods for corrosion rate determination under cathodic polarisation conditions - a review. Part II - AC methods
PublikacjaPrzedstawiono krytyczny przegląd prac dotyczących wykorzystania metod elektrochemicznych zmiennoprądowych do wyznaczania prądu korozyjnego metali polaryzowanych katodowo. Przedyskutowano stosowanie klasycznej liniowej spektroskopii impedancyjnej (EIS) z użyciem sygnałów pobudzających niskoamplitudowych, a następnie techniki zmiennoprądowe bazujące na sygnałach wysokoamplitudowych, a więc w zakresie nieliniowej charakterystyki polaryzacyjnej...
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Electrochemical methods for corrosion rate determination under cathodic polarisation conditions - a review. Part I - DC methods
PublikacjaPrzedstawiono krytyczny przegląd prac dotyczących wykorzystania metod elektrochemicznych stałoprądowych do wyznaczania prądu korozyjnego metali polaryzowanych katodowo. Opisano dotychczasowe sposoby oceny skuteczności ochrony katodowej na podstawie pomiarów krzywych polaryzacji i rezystancji polaryzacyjnej. Scharakteryzowano metody matematyczne i oprogramowanie opracowane do analizy komputerowej krzywych polaryzacji w celu wyznaczenia...
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Confocal microscopy analysis of DNA DSB in telomerase negative cells after exposure to TXT2 and TXT4
Dane BadawczeThe data sets contain confocal microscopic images showing the γ-H2AX with TRF2 after treatment of NHBE and U2OS cell lines with TXT2 and TXT4 in equitoxic concentrations. Images were acquired with an LSM 800 inverted laser scanning confocal microscope (Carl Zeiss; Dresden, Germany) equipped with an Airyscan detector using a ×63 1.4 NA Plan Apochromat...
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The electrochemical studies of CB-PLA electrode after surface activation by proteinase K digestion
Dane BadawczeThe dataset contains the electrochemical studies performed to evaluate surface activation of the CB-PLA 3D printed electrodes by enzymatic hydrolysis in a solution containing proteinase K (72h digestion period). Different enzyme concentrations were evaluated: 0.2, 0.4, 0.6 and 0.8 mg/ml. The studies were performed before surface activation, during and...
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The electrochemical studies of thin boron-doped diamond films deposited at conductive poly(lactic acid) 3D prints
Dane BadawczeThe dataset contains the electrochemical characteristics of the electrodes composed of thin boron-doped diamond films coated on commercially available graphene-doped polylactide acid. The boron doping level expressed as the [B]/[C] ratio in the gas phase for these studies was 500 and 10,000 ppm.
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Mechanism of selective anticancer activity of isothiocyanates relies on differences in DNA damage repair between cancer and healthy cells
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Tissue-Specific Differences in DNA Modifications (5-Hydroxymethylcytosine, 5-Formylcytosine, 5-Carboxylcytosine and 5-Hydroxymethyluracil) and Their Interrelationships
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Nucleotide excision repair of oxidised genomic DNA is not a source of urinary 8-oxo-7,8-dihydro-2′-deoxyguanosine
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Oxidative DNA damage and antioxidant vitamin level: Comparison among lung cancer patients, healthy smokers and nonsmokers
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Contribution of hMTH1 to the Maintenance of 8-Oxoguanine Levels in Lung DNA of Non-Small-Cell Lung Cancer Patients
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An integrated DNA and RNA variant detector identifies a highly conserved three base exon in the MAP4K5 kinase locus
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Detection of DNA Replication Intermediates after Two-Dimensional Agarose Gel Electrophoresis Using a Fluorescein-Labeled Probe
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Grzegorz Boczkaj dr hab. inż.
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Identyfikacja współczynnika szorstkości kanału derywacyjnego doprowadzającego wodę do EW Bielkowo na podstawie pomiarów hydrometrycznych oraz obliczenie strat hydraulicznych dla różnych warunków hydraulicznych przepływu i przy zmiennym pokryciu dna kanału
PublikacjaW pracy opisano proces identyfikacji aktualnej wartości współczynnika szorstkości Manninga w kanale derywacyjnym w Kolbudach zasilającym Elektrownię Wodną Bielkowo wodą z rzeki Radunia. W celu zbadania szorstkości wykonano w dniu 25.06.2008r. pomiary hydrometryczne w przekroju pomiarowym zlokalizowanym przy moście drogowym w km 1+200 kanału. Wartość współczynnika szorstkości określono jako równą n=0,028.W opracowaniu przedstawiono...
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Processing of Ce0.8Gd0.2O2-δ barrier layers for solid oxide cells: The effect of preparation method and thickness on the interdiffusion and electrochemical performance
PublikacjaCe0.8Gd0.2O1.9 (CGO) barrier layers are required to mitigate the chemical reactions between Sr-containing oxygen electrode materials and Zr-based oxygen ion conductors in high-temperature solid oxide cells. Barrier layers produced by different methods were studied in this work. As a reference, a cell with no barrier layer was measured. The application of the powder-processed barrier layers, considerably increases the performance....
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Electrochemical glucose sensor based on the glucose oxidase entrapped in chitosan immobilized onto laser-processed Au-Ti electrode
PublikacjaThe study on novel electrode material composed of structured titanium foil with embedded Au nanoparticles and modified with chitosan with entrapped glucose oxidase is presented. To confirm the successful immobilization of glucose oxidase FT-IR analysis was performed. The response of electrodes were tested towards glucose in the presence of different interference compounds and biological fluids. The prepared material exhibits excellent...
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The impact of air humidity on the operation of proton exchange membrane fuel cells determined using dynamic electrochemical impedance spectroscopy
PublikacjaThis paper describes the changes in the fuel cell impedance across a range of current loads and humidity changes. The changes of each equivalent circuit parameters representing specific processes occurring in fuel cells, as a function of humidity and current changes, were determined. Within the combined scope of current and humidity, the optimal working conditions of the cells were determined, corresponding to the lowest impedance...
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Investigation of the Process of Automatic Control of Current Polarity Reversal in the Conditions of Hybrid Technology of Electrochemical Processing of Corrosion-Resistant Steels
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Electrochemical Evaluation of the Compact and Nanotubular Oxide Layer Destruction under Ex Vivo Ti6Al4V ELI Transpedicular Screw Implantation
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Electrochemical sensing platform based on screen-printed carbon electrode modified with plasma polymerized acrylonitrile nanofilms for determination of bupropion
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Deep insight into the pore size distribution of N-doped porous carbon materials on electrochemical energy storage and CO2 sorption
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Porphyrazine with bulky 2-(1-adamantyl)-5-phenylpyrrol-1-yl periphery tuning its spectral and electrochemical properties
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Anisotropic optical properties of few-layer black phosphorus coatings: from fundamental insights to opto-electrochemical sensor design
PublikacjaFew-layer black phosphorus (FLBP) is characterised by a tuneable bandgap, high carrier mobility and anisotropic optical properties. It therefore has the potential to find applications in electronics and photonics. FLBP oxidizes upon exposure to air, limiting its utility in devices and components. To address this issue, the thesis introduces methods and tools developed for studying FLBP's optical parameters, with a particular emphasis...
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Fine-tuning recA expression in Staphylococcus aureus for antimicrobial photoinactivation: importance of photo-induced DNA damage in the photoinactivation mechanism
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The suitability of DNA extracted from formalin-fixed, paraffin-embedded tissues for double differential polymerase chain reaction analysis
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Endogenously generated DNA nucleobase modifications source, and significance as possible biomarkers of malignant transformation risk, and role in anticancer therapy
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Characteristic profiles of DNA epigenetic modifications in colon cancer and its predisposing conditions—benign adenomas and inflammatory bowel disease
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Are 8-oxoguanine (8-oxoGua) and 5-hydroxymethyluracil (5-hmUra) oxidatively damaged DNA bases or transcription (epigenetic) marks?
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Physicochemical profile of Os (III) complexes with pyrazine derivatives: From solution behavior to DNA binding studies and biological assay
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Wpływ osiadania dna o postaci niecki na stan naprężenia w stalowej konstrukcji pionowego zbiornika walcowego
PublikacjaBezpośrednim powodem podjęcia prac naukowo - badawczych był rzeczywisty problem techniczny,który wystąpił w rafinerii w Gdańsku. W pracy zamieszczono obszerny przegląd literatury i norm technicznych dotyczących problemu osiadania zbiorników na paliwa. W ramach badań zaplanowano i zrealizowano pomiary tensometryczne oraz pomiary osiadań rzeczywistego stalowego, dwupłaszczowego zbiornika o pojemności V=20.000m3. Wykonano liczne testy...
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DNA methylation analysis with methylation‐sensitive high‐resolution melting (MS‐HRM) reveals gene panel for glioma characteristics
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Berry fruit juices protect lymphocytes against DNA damage and ROS formation induced with heterocyclic aromatic amine PhIP
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Evaluation and comparison of random amplification of polymorphic DNA, pulsed field gel electrophoresis and ADSRRS-fingerprinting for typing Serratiamarcescens outbreaks.
PublikacjaADSRRS-fingerprinting, nowa metoda genotypowania oparta na supresji reakcji PCR została zastosowana do badań epidemiologicznych izolatów S. marcescens,pochodzących z trzech różnych epidemii Szpitala Publicznego w Gdańsku. Wyniki uzyskane metodą ADSRRS-fingerprinting porównano z wynikami uzyskanymi technikami RAPD-fingerprinting i PFGE.
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The electrochemical studies of CB-PLA electrode after surface activation by proteinase K digestion with different times and concentrations
Dane BadawczeThe dataset contains the electrochemical studies performed to evaluate surface activation of the CB-PLA 3D printed electrodes by enzymatic hydrolysis in a solution containing proteinase K. DIfferent proteinase K concentrations and digestion times were evaluated, as described in subfolder names. The studies were performed before surface activation, during...