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- Publikacje 1597 wyników po odfiltrowaniu
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Wyniki wyszukiwania dla: PHAGE DIRECTED SYNTHESIS
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Novel molecules containing structural features of NSAIDs and 1,2,3-triazole ring: Design, synthesis and evaluation as potential cytotoxic agents
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Synthesis, activity on NK-3 tachykinin receptor and conformational solution studies of scyliorhinin II analogs modified at position 16
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Separate synthesis and evaluation of glucitol bis-phosphate and mannitol bis-phosphate, as competitive inhibitors of fructose bis-phosphate aldolases
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Non-thermal atmospheric pressure plasma as a powerful tool for the synthesis of rhenium-based nanostructures for the catalytic hydrogenation of 4-nitrophenol
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Effective green ammonia synthesis from gaseous nitrogen and CO2 saturated-water vapour utilizing a novel photocatalytic reactor
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Copper(I) π-coordination compounds with allyl derivatives of disubstituted pseudothiohydantoin: synthesis, structure investigation and nonlinear optical features
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Synthesis and Properties of Di-isopropylamino Derivatives of Diphosphanes and Triphosphanes: The X-Ray Structure of (iPr2N)2P-P(SiMe3)2
PublikacjaPrzeprowadzono reakcję (iPr2N)2PCl z P(SiMe3)2Li w wyniku której otrzymano difosfan (iPr2N)2P-P(SiMe3)2. Strukturę związku określono przy pomocy rentgenowskiej analizy strukturalnej. Otrzymano także pochodną litową (iPr2N)2P-P(SiMe3)Li w rekcji z nBuLi. W reakcji (iPr2N)2PCl z (iPr2N)2P-P(SiMe3)Li otrzymano trifosfan (iPr2N)2P-P(SiMe3)-P(NiPr2)2 z dużą wydajnością. Próby otrzymania pochodnej litowej (iPr2N)2P-PLi-P(NiPr2)2 zakończyły...
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Synthesis of some quaternary N-(1,4-anhydro-5-deoxy-D,L-ribitol-5-yl)ammonium salts
PublikacjaOpisano matodę pomyślnego usuwania izopropylidenowych grup ochronnych z 1,4-anhydro-2,3-O-izopropylideno-5-O-tozylo-D,L-rybitolu i czwartorzędowych soli N-(1,4-anhydro-5-deoksy-D,L-rybitolo-5-yl)amoniowych. Struktury otrzymanych związków zostały określone przy pomocy analizy spektralnej, w tym 2D NMR. Otrzymano także dane dyfrakcyjne dla monokryształów 1,4-anhydro-5-O-tozylo-D,L-rybitolu i jego pochodnych 2,3-O-izopropylidenowych.
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Synthesis and transport studies of model dipeptides with modified n-terminal amino groups into e. coli k12 mutant strains
Publikacjaotrzymano na drodze syntezy chemicznej kilka modelowych dipeptydów zawierających n-terminalna guanidynę oraz betainę. zbadano transport tych peptydów do komorek e. coli k12, posiadających zróżnicowane systemy transportowe. wyniki badań potwierdziły brak transportu do komórek bakteryjnych z wykorzystaniem permeaz peptydowych. dodatnio naładowana i silnie polarna grupa aminowa uniemożliwia efektywny transport tych związków do komórek...
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Synthesis of Novel Phosphonic‐Type Activity‐Based Probes for Neutrophil Serine Proteases and Their Application in Spleen Lysates of Different Organisms
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Synthesis, Characterization, and Catalytic Applications of the Ti-SBA-16 Porous Material in the Selective and Green Isomerizations of Limonene and S-Carvone
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Low-temperature synthesis of zeolite from perlite waste — Part I: review of methods and phase compositions of resulting products
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Microemulsion-Mediated Synthesis and Properties of Uniform Ln:CaWO4(Ln = Eu, Dy) Nanophosphors with Multicolor Luminescence for Optical and CT Imaging
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Rosuvastatin based novel 3-substituted isocoumarins / 3-alkylidenephthalides: Ultrasound assisted synthesis and identification of new anticancer agents
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Methylene blue decomposition on TiO2/reduced graphene oxide hybrid photocatalysts obtained by a two-step hydrothermal and calcination synthesis
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High-resolution synthesis of high-density breast mammograms: Application to improved fairness in deep learning based mass detection
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Synthesis and reactivity of 2,2,4,4-Tetrakis(tri-tertbutoxysilane-thiolato)-1,3,2,4-dithiadistannetane - crystal and molecular structures of two polymorphic forms
PublikacjaTytułowy związek [Sn(μ-S){SSi(OtBu)3}2]2 (1), zawierający dwa, 4-koordynacyjne atomy cyny, krystalizuje w dwóch odmianach polimorficznych. Forma ortorombowa-1a, została otrzymana w reakcji (tBuO)3SiSH i Et3N z SnCl2, podczas gdy forma trójskośna-1b, w reakcji z SnCl4 jako substratem. Struktura krystaliczna i cząsteczkowa obydwu odmian polimorficznych została wyznaczona przez badania metodą Rentgenowskiej Analizy Strukturalnej,...
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Esters of p-nitrophenol in synthesis of 1-N-monoamide and 1,7-bis-N,N-amide derivatives of 1,4,7,10-tetraazacyclododecane
PublikacjaW artykule opisana została synteza acylowych pochodnych 1,4,7,10-tetraazacyklododekanu przy pomocy estrów aktywnych. W bezpośredniej reakcji estrów 4-nitrofenylowych z cyklenem prowadzonej w bardzo łagodnych warunkach otrzymano pochodne mono i dipodstawienia z bardzo dobrymi wydajnościami. Zbadano również wpływ różnych parametrów na dystrybucję produktów.
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The synthesis, x-ray structure and metal cation complexation properties of colored crown with two heterocyclic residues as a part of macrocycle
PublikacjaZsyntezowano nowy eter koronowy zawierający ugrupowanie azowe, resztę pirolu i pirydyny w pierścieniu makrocyklicznym. Badano zdolność kompleksowania kationów metali w acetonitrylu oraz mieszaninę acetonitryl-woda. Do pomiarów wykorzystano spektrofotometrię UV-Vis. Ustalono strukturę krystalograficzną otrzymanego związku.
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Peptide bond modification. I. Simple and efficient method of Boc-Gly[CH(OH)CH2]Gly-OH synthesis.
PublikacjaZaprezentowano prostą i efektywną metodę syntezy obu enancjomerów t-butoksykarbonylo chronionego pseudo dipeptydu (R) oraz (S)-Boc-Gly[CH(OH)CH2]Gly-OH.
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Synthesis of conjugates of muramyl dipeptide and nor-muramyl dipeptide with retro-tuftsin (Arg-Pro-Lys-ThrOMe) as potential immunostimulants.
PublikacjaOpisano syntezę nowych koniugatów muramylodipeptydu i nor-muramylo-dipeptydu z estrem metylowym tuftsyny o odwróconej sekwencji (Arg-Pro-Lys-Thr-OMe)jako potencjalnych immunostymulantów. Synteza tych połączeń została przeprowadzona zgodnie z zasadami chemii peptydów.
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Synthesis of three layer NaxCoO2 (x=0.3, 0.5, 0.6, 0.75, 1.0) and superconductivity in three layer Na0.3CoO2 * 1.3H2O
PublikacjaDyskutowana jest synteza trójwarstwowego związku sodowo-kobaltowego tlenku NaxCoO2. Związek o zawartości sodu x=0.3 może zostać uwodniony i staje się nadprzewodnikiem z Tc=4.3K. Powierzchnia 3 warstwowego związku charakteryzuje się trójkątną morfologią, podczas gdy dwuwarstwowy związek Na0.7CoO2 - heksagonalną morfologią.
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Sustainable synthesis of cyclic carbonates from bio‐based polyether polyol: the structure characterization, rheological behaviour and thermal properties
PublikacjaThe cycloaddition of CO2 to epoxides represents a green efficient method to form bis(cyclic carbonate)s. The main purpose of the work reported in this paper was to examine the effect of the gas flow rate (20, 40, 60 and 100 mL min–1) during carbonation on the conversion yield, chemical structure, rheological behaviour and thermal properties of the prepared compounds. A series of new bis(cyclic carbonate)s was obtained from bio‐based...
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Anthra[1,2-d][1,2,3]triazine-4,7,12(3H)-triones as a New Class of Antistaphylococcal Agents: Synthesis and Biological Evaluation
PublikacjaThe development and spread of resistance of human pathogenic bacteria to the action of commonly used antibacterial drugs is one of the key problems in modern medicine. One of the especially dangerous and easily developing antibiotic resistant bacterial species is Staphylococcus aureus. Anthra[1,2-d][1,2,3]triazine-4,7,12(3H)-triones 22–38 have been developed as novel effective antistaphylococcal agents. These compounds have been...
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Nickel(II) tri-tert-butoxysilanethiolates with N-heterocyclic bases as additional ligands: Synthesis, molecular structure and spectral studies
PublikacjaW publikacji przedstawiono metodę syntezy trzech kompleksów silanotiolanowych z takimi N-heterocyklicznymi zasadami jak: pirydyna, 2-metylopirydyna i 3,5-dimetylopirydyna. Dla tych kompleksów przeprowadzono badania X-Ray, analizy elementarnej. Przy pomocy rentgenowskiej analizy strukturalnej wykazano różną koordynację atomu centralnego - niklu.
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Synthesis and application of oligomer with hydroxy groups based on peroxy derivative of ED-24 epoxy resin and POLYTHF-2000 oligoether
PublikacjaNew oligomer with peroxy, primary and secondary hydroxy groups has been synthesized on the basis of peroxy derivative of ED-24 epoxy resin (PO) and PolyTHF-2000 oligoether according to the developed procedure. The effect of the catalysts nature and amount, temperature and process time on the reaction rate has been studied. Benzyltriethylammonium chloride, potassium hydroxide,1,4-diazobicyclooctane and the mixture composed of benzyltriethylammonium...
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Binuclear Co(II), Zn(II) and Cd(II) tri-tert-butoxysilanethiolates. Synthesis, crystal structure and spectroscopic studies.
PublikacjaA series of Co(II), Zn(II) and Cd(II) complexes have been synthesized in reaction of respective metal tri-tert-butoxysilanethiolates with pyrazine 1 and 2 and 1,2-bis(2-pyridyl)ethylene 3–5. All compounds have been characterized by single-crystal X-ray structure determination, elemental analysis, FT-IR and thermogravimetry. Obtained complexes are bimetallic with the formula of [M{SSi(OtBu)3}2(μ-L)]2 and metal ions bridged by N,N′-spacer....
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Enhanced cellulose extraction from agave plant (Agave americana Species) for synthesis of magnetic/cellulose nanocomposite for defluoridation of water
PublikacjaResearch on fluoride removal from water is currently focusing on the development of innovative materials for defluoridation water. The current study extracted and used enhanced cellulose from Agave americana species to synthesize a magnetic/cellulose nanocomposite for water defluoridation. Strong and light binary acids (H2SO4 and CH3COOH) were utilized to pretreat raw material to enhance cellulose extraction. Central composite...
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Diamine derivatives of dimerized fatty acids and bio-based polyether polyol as sustainable platforms for the synthesis of non-isocyanate polyurethanes
PublikacjaA series of environmentally friendly non-isocyanate polyurethanes (NIPUs) were successfully prepared via the polyaddition reaction of bio-based polyether polyol-based cyclic carbonate with diamine derivative of dimerized fatty acids. The syntheses of NIPUs were realized by the three-step method in the absence of toxic solvents and, importantly, the process of carbonation did not require the use of elevated pressure. The effect...
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Simple synthesis route for fabrication of protective photo‐crosslinked poly(zwitterionic) membranes for application in non‐enzymatic glucose sensing
PublikacjaThis work focuses on the fabrication of non-enzymatic glucose sensing materials based on laser-formed Au nanoparticles embedded in Ti-textured substrates. Those materials possess good catalytic activity toward glucose oxidation in 0.1 × phosphate buffered saline as well as resistance to some interferants, such as ascorbic acid, urea, and glycine. The electrodes are further coated with three different polymers, that is, Nafion,...
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Design and Microwave-Assisted Synthesis of TiO2-Lanthanides Systems and Evaluation of Photocatalytic Activity under UV-LED Light Irradiation
PublikacjaThe TiO2-Eu and TiO2-La systems were successfully synthesized using the microwave method. Based on the results of X-ray diffraction analysis, it was found that regardless of the analyzed systems, two crystal structures were noted for the obtained samples: anatase and rutile. The analysis, such as XPS and EDS, proved that the doped lanthanum and europium nano-particles are present only on the TiO2 surface without disturbing the...
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Synthesis, characteristics, and photocatalytic activity of zinc oxide nanoparticles stabilized on the stone surface for degradation of metronidazole from aqueous solution
PublikacjaAbstract Background: The presence of antibiotics such as metronidazole in wastewater even at low concentrations requires searching for a suitable process such as advanced oxidation process (AOP) to reduce the level of pollutants to a standard level in water. Methods: In this study, zinc oxide (ZnO) nanoparticles were synthesized by thermal method using zinc sulfate (ZnSO4) as a precursor, then, stabilized on stone and was used...
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Synthesis, structure and properties of poly(ester-urethane)s obtained using bio-based and petrochemical1,3-propanediol and 1,4-butanediol
PublikacjaIn this paper, the poly(ester-urethane)s obtained using petrochemical and bio-based chain extenders were prepared and characterized. The influence of glycols’ origin on the chemical structure, mechanical and thermal properties of the prepared polyurethanes was studied. The materials were synthesised by prepolymer method. The first step involved the reaction of α,ω-dihydroxy(ethylene-butylene adipate (POLIOS 55/20) with 4,4’-diphenylmethane...
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Optical Characterization of Nano- and Microcrystals of EuPO4 Created by One-Step Synthesis of Antimony-Germanate-Silicate Glass Modified by P2O5
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Kinga Kaniewska-Laskowska dr inż.
OsobyWykształcenie Studia I stopnia - inżynierskie, kierunek CHEMIA 2013: Politechnika Gdańska, Wydział Chemiczny, Katedra Chemii Nieorganicznej Tytuł pracy inżynierskiej: „Kompleksy żelaza z ligandami fosfinidenowymi” Promotor: dr hab. inż. Rafał Grubba Studia II stopnia - magisterskie, kierunek TECHNOLOGIA CHEMICZNA, spec. Technologia Organiczna 2014: Politechnika Gdańska, Wydział Chemiczny, Katedra Chemii Nieorganicznej Tytuł pracy...
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Balal Yousaf Dr.
OsobyBalal Yousaf currently works as a Professor at the Silesian University of Technology, Gliwice, Poland. He has an academic background in Environmental Geochemistry & Pollution. His research interests include Soil and Water Remediation, Transformation Mechanism and Fate of Environmental Contaminants, Minerals Interaction with Environmental Contaminants, Green Synthesis, Biowaste Conversion, Bioenergy and Environmental Pollution...
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Grzegorz Boczkaj dr hab. inż.
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International Journal of Self-Propagating High-Temperature Synthesis
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Synthesis and photochemical transformation of 3β,21-dihydroxypregna-5,7-dien-20-one to novel secosteroids that show anti-melanoma activity
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Imidazolidine-4-one derivatives in the search for novel chemosensitizers of Staphylococcus aureus MRSA: Synthesis, biological evaluation and molecular modeling studies
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Oxygen Aspects in the High-Pressure and High-Temperature Sintering of Semiconductor Kesterite Cu2ZnSnS4 Nanopowders Prepared by a Mechanochemically-Assisted Synthesis Method
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Amberlyst-15 catalysed synthesis of novel indole derivatives under ultrasound irradiation: Their evaluation as serotonin 5‑HT2C receptor agonists
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Synthesis and antimicrobial activity of truncated fragments and analogs of citropin 1.1: The solution structure of the SDS micelle-bound citropin-like peptides
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Novel porous carbon/clay nanocomposites derived from kaolinite/resorcinol-formaldehyde polymer blends: synthesis, structure and sorption properties
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Determination of Fe2+/Fe3+ mole ratio based on the change of precursor lattice parameters of wustite based iron catalysts for the ammonia synthesis
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Design, synthesis and in vitro biological evaluation of a small cyclic peptide as inhibitor of vascular endothelial growth factor binding to neuropilin-1
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Moving out of CF3‐Land: Synthesis, Receptor Affinity, and in silico Studies of NK1 Receptor Ligands Containing a Pentafluorosulfanyl (SF5) Group
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Branched pentapeptides as potent inhibitors of the vascular endothelial growth factor 165 binding to Neuropilin-1: Design, synthesis and biological activity
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Efficient synthesis of PMMA@Co0.5Ni0.5Fe2O4 organic-inorganic hybrids containing hyamine 1622 – Physicochemical properties, cytotoxic assessment and antimicrobial activity
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Synthesis of Micro-Spikes and Herringbones Structures by Femtosecond Laser Pulses on a Titanium Plate—A New Material for Water Organic Pollutants Degradation
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