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Wyniki wyszukiwania dla: TAQ POLYMERASE
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POLYMERS FOR ADVANCED TECHNOLOGIES
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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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Polymers doped by Ca or P. Chemical composition investigations
Dane BadawczeThe calcium and phosphorus doped polyurethane polymers (PU) were analyzed by XPS method. A series of samples with various content of Ca and P dopand - from 0% up to 21%) were selected for measutements. The chemical composition and valence state of elements were measurements using OmicronNatechnology UHV system wih Argus hemispherical photoelectron...
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Progress in development of molecularly imprinted polymers as sorbents for sample preparation
PublikacjaSample preparation has been one of the most often investigated steps in analytical procedures.These investigations are focused on problems such as isolation of analytes from the sample matrix, matrix implification, analyte enrichment to the level above the detection limit of the instrumentation used, and the removal of interfering species to improve the final determination. Techniques based on solid (adsorption) and pseudo liquid...
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The Role of Specific Side Groups and pH in Magnetization Transfer in Polymers
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Theoretical Study of Polymerization Mechanism of p-Xylylene Based Polymers
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Analysis of structure and properties of DVB–GMA based porous polymers
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Sorption Properties of Polydivinylbenzene Polymers towards Phenolic Compounds and Pharmaceuticals
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Hybrid nanolayers of star polymers and silver nanoparticles with antibacterial activity
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Polymers (Polyvinylpyrrolidones) As Active Additives Modifying the Lubricating Properties of Water
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Photovoltaic bulk heterojunctions with interpenetrating network based on semiconducting polymers
PublikacjaPhotovoltaic cells are supposed to be the most common generators of useful electricity in the nearest future as they utilize inexhaustible carriers of renewable energy called photons. Despite the fact that 95% of worldwide applied photovoltaic devices are based on inorganic semiconductors the area of organic photovoltaics grows successively due to possibility of considerable reduction of manufacturing costs. Since the Heeger's...
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Theoretical study of polymerization mechanism of p-xylylene based polymers
PublikacjaObliczenia kwantowe mechanizmu polimeryzacji parylenów, opartych o cząsteczki p-ksylilenów. Praca zawiera wyniki szczegółowych obliczeń wszystkich etapów polimeryzacji, wnioski dotyczące znalezionych stanów kwantowych i energetyki poszczególnych etapów procesu.
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Raman investigation of sol-gel-derived hybrid polymers for optoelectronics
PublikacjaPrzedstawiono wykorzystanie spektroskopii ramanowskiej do kompleksowej diagnostyki polimerów hybrydowych stosowanych w optoelektronice. Zbadano efektywność kolejnych etapów procesu technologicznego: od monomerów do etapu produktu finalnego - cienkich warstw.
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Molecularly imprinted polymers applied in capillary electrochromatography and electrophoresis techniques
PublikacjaMolecularly imprinted polymers (MIPs) are synthetic materials with predetermined selectivity for a particular analyte or group of structure-linked chemicals which make them an ideal separation component. The process of developing and applying new types of MIPs in the field of environmental analytical chemistry has been broadly discussedi n many scientific studies in recent years. The use of new types of MIP sorbents as unique sorption...
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Application of molecularly imprinted polymers in analytical chiral separations and analysis
PublikacjaOver the last two decades the process of development and application of a new types of molecular imprinted polymer (MIP) sorbents in the field of analytical chemistry have been widely described in the literature. One of the new trends in analytical chemistry practice is the use of new types of MIP sorbents as specific sorption materials constituting the stationary phase in advanced separation techniques. The following review paper...
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PU Polymers, Their Composites, and Nanocomposites: State of the Art and New Challenges
PublikacjaThe chapter is a review of the polyurethane(PU)-based composites and nanocomposites. The chapter details different components in the manufacturing of PU polymers, composites, and nanocomposites. The different types of glycols, isocyanates, and catalysts that are used for the synthesis of different polyurethanes are discussed. The applications and specialties of polyurethane composites and nanocomposites are also elaborated on.
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Sustainable polymers targeted at the surgical and otolaryngological applications: Circularity and future
PublikacjaThe ongoing climate changes, high air and noise pollution have significant impact on humans’ health. This influence is especially visible in otolaryngology, which focuses on respiratory and hearing systems disfunctions. However, even though surgeries are done in response to diseases related to climate changes, they also have a negative impact on the environment, mostly connected with the inherence of single-use fossil fuel derived...
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CELLULAR POLYMERS
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FIBERS AND POLYMERS
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TAF Preventive Medicine Bulletin
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TSQ-Transgender Studies Quarterly
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INTERNATIONAL TAX AND PUBLIC FINANCE
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Depreciation - underestimated tax optimization tool
PublikacjaOptymalizacja podatkowa zmierza i pozwala na zmniejszenie obciążeń podatkowych a tym samym na zwiększenie zysku podmiotu gospodarczego. Prowadzenie działalności gospodarczej zazwyczaj wymaga zaangażowania odpowiednio dużych środków finansowych w zakupy składników majątkowych zaliczanych do środków trwałych. Te odnoszone są w koszty działalności poprzez odpisy amortyzacyjne, które stanowią istotny element całości kosztów prowadzonej...
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The Importance of Interferon-Tau in the Diagnosis of Pregnancy
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Asocjacje – jak gdyby, tak jakby…
PublikacjaKrzysztof Wróblewski prezentuje „In Touch / Anonymous”. (Twarz – jako maska, dłoń – jako dotyk i ślad) – dwa obrazy (olej na płótnie, wymiary: 146x228 cm) wraz z komentarzem: „W kuratorskim tekście do wystawy Asocjacje – jak gdyby, tak jakby zainteresował mnie cytat z teorii umysłu: jesteśmy świadomi umysłów innych ludzi i to ma wpływ na nasze poczynania i procesy umysłowe. Sztuka jako jedno z narzędzi komunikacji jest wysyłaniem...
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Bringing a New Flexible Mercaptoacetic Acid Linker to the Design of Coordination Polymers
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Modelling of optical components made of liquid crystals and liquid crystalline polymers
PublikacjaW artykule przedstawiono koncepcję wykorzystania ciekłych kryształów i polimerów ciekłokrystalicznych do budowy dwójłomnych elementów optycznych - płytek opóźniających, pryzmatów Wollastona i Nomarskiego. Przedstawiono wyniki modelowania pryzmatów Nomarskiego wykonanych z polimerów ciekłokrystalicznych i dokonano porównania ich właściwości z właściwościami pryzmatów wykonanych z typowych materiałów dwójłomnych.
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A new concept of measuring the friction forces for cartilage and polymers with viscoelastic properties
PublikacjaReferat przedstawia nową koncepcję dotyczącą pomiaru niskich sił tarcia oraz właściwości materiałów lepkosprężystych. Zaprezentowano: ogólny zarys metody pomiaru, wskazania dotyczące projektowania i budowy urządzenia pomiarowego, model matematyczny oraz sposób identyfikacji parametrów modelu. Metoda ta jest szczególnie przydatna w przypadku analizy właściwości materiałowej polimerów oraz tkanki chrząstki stawowej człowieka, zarówno...
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The Application of Phenolic Acids in The Obtainment of Packaging Materials Based on Polymers—A Review
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Star Polymers vs. Dendrimers: Studies of the Synthesis Based on Computer Simulations
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AGREEMIP: The Analytical Greenness Assessment Tool for Molecularly Imprinted Polymers Synthesis
PublikacjaMolecular imprinting technology is well established in areas where a high selectivity is required, such as catalysis, sensing, and separations/sample preparation. However, according to the Principles of Green Chemistry, it is evident that the various steps required to obtain molecularly imprinted polymers (MIPs) are far from ideal. In this regard, greener alternatives to the synthesis of MIPs have been proposed in recent years....
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The use of fibre-reinforced polymers (FRP) in bridges as a favourable solution for the environment
PublikacjaThe purpose of this article is to show the modern engineering, in which sustainability and taking care of ecology play a significant role. The authors are focused on FRP composite materials and their applications in civil engineering. Case studies showing renovation and design of new bridges with the use of FRP are presented and discussed to clarify benefits, which this solution provides. Main advantages of FRP materials in comparison...
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Molecular Characterization of a DNA Polymerase from Thermus thermophilus MAT72 Phage vB_Tt72: A Novel Type-A Family Enzyme with Strong Proofreading Activity
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Ta Istorika
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Detection ofHelicobacterspecies in liver and stomach tissues of patients with chronic liver diseases using polymerase chain reaction-denaturing gradient gel electrophoresis and immunohistochemistry
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The study of Arduino Uno feasibility for DAQ purposes
PublikacjaUsing microcontroller systems becomes a routine in various measurement and control tasks. Their wide availability together with a huge potential of extending their functionality by additional modules allows developing advanced measuring and monitoring systems by non-specialists. However, using popular example codes often leads the user to pass over or not to be aware of the limitations of the system and drawing too far-reaching...
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Application of Microextraction Techniques Including SPME and MESI to the Thermal Degradation of Polymers: A Review
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Molecularly Imprinted Polymers for Stir Bar Sorptive Extraction: Synthesis, Characterization, and Application
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Interfacial properties of PET and PET/starch polymers developed by air plasma processing
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Hydrothermal reactions: From the synthesis of ligand to new lanthanide 3D-coordination polymers
PublikacjaThe organic ligand 2,5-piperazinedione-1,4-diaceticacid (H2PDA) was synthesized under hydrothermal conditions starting from the iminodiacetic acid and catalyzed by oxalic acid. The X-ray powder diffraction data indicates that the compound crystallizes in the P21/c space group as reported in the literature. The ligand was also characterized by elemental analysis, magnetic nuclear resonance, infrared spectroscopy and thermogravimetric...
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From phosphanylphosphaalkenes to coordination copper and silver polymers containing P–P bonds
PublikacjaThis study was focused on the activation of the C[double bond, length as m-dash]P bond via reactions of Ph2C[double bond, length as m-dash]P-PtBu2 (1) with 1,6-hexanediol and selected dithiols (1,4-butanedithiol, 1,4-benzenedithiol and 1,4-benzenedimethanethiol). These reactions proceed according to a 1,2-addition mechanism, providing new compounds with formulas {(Ph)2(H)C-P-PtBu2}{μ2-(O-(CH2)6-O)}{tBu2P-P-C(H)(Ph)2} (2), {(Ph)2(H)C-P-PtBu2}{μ2-(S-(CH2)4-S)}{tBu2P-P-C(H)(Ph)2}...
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Recent advancements in molecularly imprinted polymers for the removal of heavy metal ions and dyes
PublikacjaContamination set off by highly toxic metal ions and dyes is a big threat to the environment and living beings. Various industries like metal plating, mining, pesticides, battery manufacturing, and dyeing release metal ions and toxic dyes directly into the water. It is necessary to remove these toxic substances from the environment. Molecular imprinting technology (MIT) got a lot of attention in the last two decades because of...
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Polymers from Renewable Resources
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Journal of Inorganic and Organometallic Polymers and Materials
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State tax policy and reform tools as a risk of running a business. Case study based on Polski Ład – Polish tax reform
PublikacjaThe aim of the article is to describe and present the Polish tax reform introduced at the beginning of 2022. Tax changes introduced in Poland had a strong impact on the risk of running a business in Poland because in their assumption they directly changed the rules of running a business. Due to the pace of the introduced changes, as well as the scope of the reform, the new tax law was subject to numerous criticisms of taxpayers...
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Polish tax reform "Polski Ład" – consequences of introducing changes on the example of selected flat-rate tax forms for micro and small companies
PublikacjaThis article describes aspects related to the introduction of the latest tax reform in Poland. The changes initiated in January 2022, under the name Polski Ład, concern a wide range of tax changes in Poland. Reform, in a broad sense, is a multidimensional government development program, which is primarily aimed at getting out of the crisis caused by the COVID-19 pandemic and a smooth transition to financing strategic goals in investment...
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ENCAPSULATION OF ROXITHROMYCIN INTO GELLAN GUM MATRICES AND THE IMPACT OF OTHER NATURAL POLYMERS ON DRUG RELEASE
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Waste tire rubber as low-cost and environmentally-friendly modifier in thermoset polymers – A review
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Thermostability and photophysical properties of mixed-ligand carboxylate/benzimidazole Zn(II)-coordination polymers
PublikacjaThe reaction between Zn(NO3)2*6H2O or Zn(CH3COO)2*2H2O and isophthalic acid (1,3-H2bdc) in the presence of benzimidazole (Hbzim) in dimethylformamide (DMF)/ethanol (EtOH)/H2O solvent mixture at room temperature yielded two structurally different coordination polymers: [Zn2(1,3-bdc)2(Hbzim)2] (1) and [Zn2(1,3-bdc)(bzim)2] (2). (1) is a 2D-layered framework with a molecule of benzimidazole coordinated to the Zn center, whereas (2)...
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Effect of modified soybeen oil amount on rheological characteriza-tion of polyurethane pre-polymers
PublikacjaPolyurethanes (Pu’s) are the polymeric materials which have got urethane groups in the structure. The properties of Pu’s depend both on the method of preparation and monomers used. Polyurethanes are produced by two methods known as one step or two step method called as “pre-polymers method”, especially for the case of segmented polyurethanes (SPU’s). These materials are thermoplastic block copolymers of the (AB)n type consisting...