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Encapsulation of Cs3Bi2Br9 perovskite photocatalyst with polythiophene for prolonged activity in oxidizing and humid environment
PublikacjaDespite their growing popularity in modern technology, halide perovskites suffer from susceptibility to oxidation, limiting their applications. Our aim was to enhance Cs3Bi2Br9 perovskite's performance in humid environments through polythiophene encapsulation. This extended its lifespan while preserving photocatalytic abilities, as demonstrated in toluene decomposition experiments. We confirmed the stability of Cs3Bi2Br9 encapsulated...
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Sport-related concussion alters cerebral hemodynamic activity during controlled respiration
PublikacjaThis study investigated cerebral hemodynamic activity following sport-related concussion. Prefrontal cortex oxygenation was assessed by near-infrared spectroscopy (NIRS) during a controlled breathing protocol. Wavelet transformation of the NIRS signals showed significant decreases in HbO2 and HbD amplitude at the respiratory frequency interval (0.10–0.6 HZ) from preseason baseline to acute concussion. These results suggest a decreased...
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Measuring pulse rate with a webcam — A non-contact method for evaluating cardiac activity
PublikacjaIn this paper the simple and robust method of measuring the pulse rate is presented. Elaborated algorithm allows for efficient pulse rate registration directly from face image captured from webcam. The desired signal was obtained by proper channel selection and principal component analysis. A developed non-contact method of heart rate monitoring is shown in the paper. The proposed technique may have a great value in monitoring...
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Targeting yeast topoisomerase II by imidazo and triazoloacridinone derivatives resulting in their antifungal activity
PublikacjaFungal pathogens are considered as serious factors for deadly diseases and are a case of medical concern. Invasive fungal infections also complicate the clinical course of COVID-19, leading to a significant increase in mortality. Furthermore, fungal strains' multidrug resistance has increased the demand for antifungals with a different mechanism of action. The present study aimed to identify antifungal compounds targeting yeast...
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A Redundant Role of Human Thyroid Peroxidase Propeptide for Cellular, Enzymatic, and Immunological Activity
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The propeptide of human thyroid peroxidase is not required for its cellular, enzymatic or immunological activity
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Effect of Cobalt Addition on the Activity of Nanocrystalline Iron Catalysts in the Cracking of Methane Reaction
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Influence of Magnesium Oxide on the Structure and Catalytic Activity of the Wustite Catalyst for Ammonia Synthesis
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Synthesis and Anticancer Activity of Mitotic-Specific 3,4-Dihydropyridine-2(1H)-thiones
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Structural determinants of imidazoacridinones facilitating antitumor activity are crucial for substrate recognition by ABCG2
PublikacjaW pracy zidentyfikowaliśmy elementy struktury chemicznej dla 23 pochodnych imidazoakrydonu odpowiedzialne za ich rozpoznawanie przez transporter typu ABC, białko ABCG2. za transport tych związków przez pompę ABCG2 odpowiedzialne jest grupa hydroksylowa w pozycjach R1, R2 i R3 chromoforu. Stwierdziliśmy także, że zwiększanie ilości grup metylenowych łańcucha bocznego imidazoakrydonów powodowało zmniejszenie aktywnego transportu...
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Solid phase synthesis and biological activity of linear tuftsin and retro-tuftsin derivatives
PublikacjaPrzedstawiono syntezę na fazie stałej nowych pochodnych tuftsyny i retro-tuftsyny i ich mikrobiologiczne właściwości. Otrzymane pochodne zawierały wiązanie izopeptydowe między epsilon-aminową grupą lizyny a takimi aminokwasami jak: Ala, beta-Ala, Val, Ile, Gly.
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Impact of paint matrix composition and thickness of paint layer on the activity of photocatalytic paints
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Cinnamon powder: an in vitro and in vivo evaluation of antifungal and plant growth promoting activity
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Photocatalytic activity of anatase powders for oxidation of methylene blue in water and diluted NO gas
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Spectroscopic and Spectroelectrochemical Studies on Redox Properties of Zinc Sulfide and Their Consequences on Photocatalytic Activity
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Vimentin immunoexpression and its prognostic activity in colon cancer among Caucasian patients
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Gender-Selective Interaction Between Aging, Blood Pressure, and Sympathetic Nerve Activity
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Detection of low- and high-frequency rhythms in the variability of skin sympathetic nerve activity
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Central Vagotonic Effects of Atropine Modulate Spectral Oscillations of Sympathetic Nerve Activity
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Relationship Between Muscle Sympathetic Nerve Activity and Diurnal Blood Pressure Profile
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Baroreflex Control of Sympathetic Nerve Activity and Heart Rate in Obstructive Sleep Apnea
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Interactive Effect of Heart Rate and Muscle Sympathetic Nerve Activity on Blood Pressure
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Residual Effects of Different Cropping Systems on Physicochemical Properties and the Activity of Phosphatases of Soil
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The time spent sitting does not always mean a low level of physical activity
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New Flavone C-Glycosides from Scleranthus perennis and Their Anti-Collagenase Activity
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Antinociceptive and Cytotoxic Activity of Opioid Peptides with Hydrazone and Hydrazide Moieties at the C-Terminus
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The Chemometric Evaluation of Antitumor Activity of Novel Benzensulfonamide Derivatives Based on their Physiochemical Properties
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Biological Activity of Compounds Exhibiting Local Anesthetics's Properties Evaluated by QSAR Approach
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Variation in Total Polyphenolics Contents of Aerial Parts of Potentilla Species and Their Anticariogenic Activity
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Activity evaluation of some psychoactive drugs with the application of QSAR/QSPR modeling methods
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The lipolytic activity of Thermomyces lanuginosus strains isolated from different natural sources
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Phytochemicals and Antioxidant Activity in Oat-Buckwheat Dough and Cookies with Added Spices or Herbs
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Nutritional Value and Biological Activity of Gluten-Free Bread Enriched with Cricket Powder
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Tribenzoporphyrazines with dendrimeric peripheral substituents and their promising photocytotoxic activity against Staphylococcus aureus
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Membrane Filtration-Assisted Enzymatic Hydrolysis Affects the Biological Activity of Potato Juice
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Photochemical properties and promising activity against staphylococci of sulfanyl porphyrazines with dendrimeric moieties
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Thymus serpyllum Essential Oil and Its Biological Activity as a Modern Food Preserver
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Synthesis of 5-arylidene-2-amino-4-azolones and evaluation of their anticancer activity
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Synthesis, biological activity and molecular modelling studies of tricyclic alkylimidazo-, pyrimido- and diazepinopurinediones
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The lipophilicity estimation of 5-arylidene derivatives of (2-thio)hydantoin with antimycobacterial activity
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<p>Analysis of toxicity and anticancer activity of micelles of sodium alginate-curcumin</p>
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Influence of accelerometer signal pre-processing and classification method on human activity recognition
PublikacjaA study of data pre-processing influence on accelerometer-based human activity recognition algorithms is presented. The frequency band used to filter-out the accelerometer signals and the number of accelerometers involved were considered in terms of their influence on the recognition accuracy. In the test four methods of classification were used: support vector machine, decision trees, neural network, k-nearest neighbor.
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Lipidation of Temporin-1CEb Derivatives as a Tool for Activity Improvement, Pros and Cons of the Approach
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Comparison of antifungal activity of extracts from different Juglans regia cultivars and juglone
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Effect of biochar activation by different methods on toxicity of soil contaminated by industrial activity
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Hypsometric changes in urban areas resulting from multiple years of mining activity
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Institutional Settings and their Impact on the IPO Activity: An Exploratory Study Based on Qualitative Modelling
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Preparation of silver nanoparticles in reverse micelles and antibacterial activity of silver modified-paints
PublikacjaW publikacji została opisana metoda otrzymywania nanocząstek srebra oraz farb modyfikowanych srebrem i ich wpływ na zahamowanie rozwoju wybranych bakterii i grzybów. Podjęto również próbę porównania wpływu rodzaju prekursora srebra oraz substancji powierzchniowo czynnej na stabilność otrzymanych nanocząstek srebra. Przygotowane mikroemulsje zawierały od 500 do 2000 ppm srebra
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Structural features responsible for control of the eukaryotic GlcN-6-P synthase activity
PublikacjaGlucosamine-6-phosphate (GlcN-6-P) synthase is responsible for catalysis of the first and practically irreversible step in hexosamine metabolism. As UDP-GlcNAc, the final product of the hexosamine path, constitutes one of the essential substrates for assembly of bacterial and fungal cell walls, the enzyme is an interesting target for antimicrobial therapy.The structure of E. coli enzyme, known since 2001, forms a dimer of two identical...
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Electrochemical activity of composite material poly(3,4-ethylenedioxythiophene) modified by silver hexacyanoferrate
PublikacjaW pracy przedstawiono sposób slektrochemicznj syntezy materiału składającego się z polimeru przewodzącego poli(3,4-etylenodioksytiofen) (pEDOT) i nieorganicznej sieci typu redox heksacyjanożelazianu srebra (Aghcf). Materiał otrzymano na drodze dwuetapowej. Etap pierwszy polega na galwanostatycznej redukcji srebra na elektrodzie z węgla szklistego. Etap drugi to roztwarzanie srebra z jednoczesną polimeryzacją monomeru. Otrzymany...