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Wyniki wyszukiwania dla: biochemia
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Insight into the oligomeric structure of PORA from A. thaliana
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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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Viral infection-oxidative stress/DNA damage-aberrant DNA methylation: separate or interrelated events responsible for genetic instability and childhood ALL development?
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Structure determination of UL49.5 transmembrane protein from bovine herpesvirus 1 by NMR spectroscopy and molecular dynamics
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The effects of p53 gene inactivation on mutant proteome expression in a human melanoma cell model
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Structural elucidation of transmembrane transporter protein bilitranslocase: Conformational analysis of the second transmembrane region TM2 by molecular dynamics and NMR spectroscopy
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Membrane structure and interactions of peptide hormones with model lipid bilayers
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Self-assembly and interactions of short antimicrobial cationic lipopeptides with membrane lipids: ITC, FTIR and molecular dynamics studies
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Nitroreductase reactions of Arabidopsis thaliana thioredoxin reductase
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Quantitative structure–activity relationships in enzymatic single-electron reduction of nitroaromatic explosives: implications for their cytotoxicity
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Excitation energy transport and trapping in concentrated solid solution of flavomononucleotide
PublikacjaW pracy analizowano bez promienisty transfer energii w stężonych stałych roztworach (folie polimerowe) FMN. W w/w roztworach występują świecące dimery FMN. Pokazano, że jedynie uwzględnienie powrotnego transferu energii pozwala zadowalająco wyjaśnić mechanizm przenoszenia energii w badanych układach.
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Modification of quaternary structure of Candida albicans GlcN-6-P synthase and its desensitization to inhibition by UDP-GlcNAc by site-directed mutagenesis
PublikacjaSite-directed mutagenesis of the CaGFA1 gene encoding glucosamine-6-phosphate synthase from Candida albicans was performed. Desensitization of the enzyme to inhibition by UDPGlcNAc was achieved upon T487I and H492F substitutions at the UDP-GlcNAc binding site, exchange of D524, S525 and S527 for Ala at the dimer:dimer interface and construction of the tail-lock array (L434R and L460A) at the C-tail region. The first two sets if...
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Lipid membranes exposed to dispersions of phytantriol and monoolein cubosomes: Langmuir monolayer and HeLa cell membrane studies
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Carotid Artery Stenting and Blood–Brain Barrier Permeability in Subjects with Chronic Carotid Artery Stenosis
PublikacjaFailure of the blood-brain barrier (BBB) is a critical event in the development and progression of diseases such as acute ischemic stroke, chronic ischemia or small vessels disease that affect the central nervous system. It is not known whether BBB breakdown in subjects with chronic carotid artery stenosis can be restrained with postoperative recovery of cerebral perfusion. The aim of the study was to assess the short-term effect...
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Journey towards light – evolutionary adaptations of humans, flora and fauna. Guidelines for safe and healthy illumination
PublikacjaThe paper examines using relatively recent discoveries on how evolution has embedded within all living organisms a natural sensitivity towards their native environment, in particular luminance levels and specific wavelengths of light. The studies conducted so far indicate that lighting installations that are visible after dark impact on humans, flora and fauna and influence our evolutionary dispositions, possibly with negative...
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Innovations in Wastewater Treatment: Harnessing Mathematical Modeling and Computer Simulations with Cutting-Edge Technologies and Advanced Control Systems
PublikacjaThe wastewater treatment landscape in Central Europe, particularly in Poland, has undergone a profound transformation due to European Union (EU) integration. Fueled by EU funding and rapid technological advancements, wastewater treatment plants (WWTPs) have adopted cutting-edge control methods to adhere to EU Water Framework Directive mandates. WWTPs contend with complexities such as variable flow rates, temperature fluctuations,...
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City and Urbanity in the Social Discourse
PublikacjaThe aim of our article is an attempt to present the concept of urbanity that has been shaped throughout centuries along with the development of European civilisation and now entered a new phase of social production of space based on cultural dimensions. The future of the majority of World’s population is connected currently with the urban life with the assumption that qualitative characteristics of life in the 21st century define...
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Baktericyna o aktywności gronkowcobójczej wytwarzana przez Staphylococcus xylosus - identyfikacja, oczyszczanie oraz wstępna charakterystyka
PublikacjaCelem badań prowadzonych w ramach realizacji niniejszej pracy była identyfikacja szczepów bakterii z rodzaju Staphylococcus produkujących substancje o działaniu przeciwbakteryjnym, w tym szczególnie bakteriocyny. W trakcie badań przesiewowych, których przedmiotem było 206 szczepów z kolekcji Katedry Technologii Leków i Biochemii Politechniki Gdaoskiej z gatunków Staphylococcus aureus, Staphylococcus epidermidis oraz Staphylococcus...
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Fungal Typin Methods
PublikacjaThe broad application of the molecular techniques in mycoses diagnosis is related to increase of infections caused by fungi in many countries. The oldest typing methods relaying on fenotypic observation, physiological and biochemical examination have had very limited importance from decades. Novadays, the molecular biology methods took their place. Most of the genotyping methods have been devoleped to be applied for typing of bacteria...
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Sulforaphane, a cruciferous vegetable-derived isothiocyanate, inhibits protein synthesis in human prostate cancer cells
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Quantitative proteomic analysis of anticancer drug RH1 resistance in liver carcinoma
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Same but different — Molecular comparison of human KTI12 and PSTK
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Cathepsin C is a novel mediator of podocyte and renal injury induced by hyperglycemia
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Intra- and intersubunit changes accompanying thermal activation of the HtrA2(Omi) protease homotrimer
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The role of the LB structural loop and its interactions with the PDZ domain of the human HtrA3 protease
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Rat cathepsin K: Enzymatic specificity and regulation of its collagenolytic activity
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Cathepsin G activity lowers plasma LDL and reduces atherosclerosis
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Irreversible alterations in the hemoglobin structure affect oxygen binding in human packed red blood cells
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Application of high pressure laser flash photolysis in studies on selected hemoprotein reactions
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Electrochemical simulation of enzymatic transformations studied for the selected antitumor acridine derivatives
PublikacjaThe elucidation of the metabolic pathways and the biotransformation mechanisms of potential drugs is a crucial point in drug development. It allows to know the activation routes of the new biologically active compounds, especially in respect to their possible toxicity. Generally, in vivo or in vitro experiments with liver microsomes or hepatocytes are performed. However, these testing schemes are tedious, time consuming and of...
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The lipid composition of Legionella dumoffii membrane modulates the interaction with Galleria mellonella apolipophorin III
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Binding modes of a new epoxysuccinyl–peptide inhibitor of cysteine proteases. Where and how do cysteine proteases express their selectivity?
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Glucosamine-6-phosphate synthase - the multi-facets enzyme
PublikacjaAmidotransferaza L-glutamina: D-frukozo-6-fosforan, nazywana zwyczajowo syntazą glukozamino-6-fosforanu, jako jedyny enzym należący do grupy amidotransferaz, nie wykazuje aktywności amoniakozależnej. Enzym ten, katalizujący pierwszy wyjątkowy etap w szlaku metabolicznym prowadzącym do ostatecznego wytworzenia 5´difosfourydyno-N-acetylo-D-glukozaminy (UDG-GlcNAc) stanowi ważny punkt kontroli metabolicznej biosyntezy makromolekuł...
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The role of organic and mineral constituents on kerogen transformation ratio
PublikacjaThe main aim of this dissertation is to determine the role of mineral and organic matter constituents in kerogen transformation ratio. Practical aspects of the work include application of the results in the assessment of hydrocarbon production potential; to make process of hydrocarbon recovery more predictable consistent and efficient. The work used shale from the Vaca Muerta formation from the Nequen basin in Argentina. The formation...