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Search results for: pectin gel
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Rigid polyurethane foams modified with selected flame retardants
PublicationThe flame retardants: expandable graphite, triethylphosphatehas been used in rigid polyurethane foams (PUFs). The influence of fillers amounts on processing parameters, physical-mechanical properties (compression strength, density, water absorption, brittleness)and thermal properties (thermal stability) of such foams has been analyzed.The gel, cram and rise time for PUFs modified with flame retardant has been observed during synthesis...
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VUV irradiation studies of plasmid DNA in aqueous solution
PublicationInteractions of VUV light and DNA samples in aqueous solutions are reported. The damage induced by such radiation is quantified by monitoring both loss of supercoiled DNA and formation of single and double strand breaks using agarose gel electrophoresis. Irradiations were performed using synchrotron VUV photons of 130, 150, 170 and 190 nm. VUV irradiation experiments revealed enhanced damage upon irradiation with 170 nm photons...
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Split-beam echosounder data from Puck Bay winter 2019
Open Research DataThe acoustic data was collected in 2019, in the Bay of Puck, in the season: winter. Data was collected during the day and night. Three split-beam echosounders with frequencies of 38 kHz, 120 kHz and 333 kHz were used to collect the data. The data was collected at a designated study area not far from the city of Hel, on the route Hel - Gdynia and on...
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Novel ABTS-dot-blot method for the assessment of antioxidant properties of food packaging
PublicationThe new ABTS-dot-blot method for the direct determination of antioxidant activity of active packaging that is in contact with foodstuffs has been developed. The usefulness of the new method was verified with the use of agarose, pork gelatin, bacterial cellulose and cellulose-chitosan films with incorporated standard antioxidant – Trolox or plant phytochemicals derived from three types of berry juices (chokeberry, blue-berried honeysuckle,...
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Tuning the extraction properties of ionogel-coated Solid-phase microextraction fibers based on the solvation properties of the ionic liquids
PublicationA silica-based network was used to immobilize ionic liquid-based ionogels and applied as a fiber coating forsolid-phase microextraction (SPME). The ionogels were prepared by a sol–gel process, using two ionic liquids,triethylsulfonium bis(trifluoromethylsulfonyl)imide ([Set3][TFSI]) and 1-butyl-1-methylpiperidinium bis(tri-fluoromethylsulfonyl)imide ([C4C1Pip][TFSI]), as well as their equimolar mixture. Methyltrimethoxysilane wasused...
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Nanosilver-loaded PMMA bone cement doped with different bioactive glasses – evaluation of cytocompatibility, antibacterial activity, and mechanical properties
PublicationNanosilver-loaded PMMA bone cement (BC-AgNp) is a novel cement developed as a replacement for conventional cements. Despite favorable properties and antibacterial activity, BC-AgNp still lacks biodegradability and bioactivity. Hence, we investigated the doping with bioactive glasses (BGs) to create a new bioactive BC characterized by time-varying porosity and gradual release of nanosilver. The BC Cemex was used as the base material...
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SEM micrographs of morphology evolution of V2O3 nanostructures
Open Research DataThe DataSet contains the scanning electron microscopy (SEM) micrographs of V2O3 nanostructures obtained by the sol-gel with different reaction conditions. The xerogel powder was annealing under a reducing atmosphere (94% Ar, 6% H2) in the temperature range 350-700C. The results show that the morphology dependent on the annealing temperature.
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Diagnostyka molekularna w zakażeniach szpitalnych
PublicationOpisano najczęściej wykorzystywane techniki genotypowania w badaniach zakażeń szpitalnych z uwzględnieniem ich powtarzalności i potencjału różnicującego oraz problemów technicznych i ponoszonych kosztów. Makrorestrykcyjna analiza genomowego DNA z wykorzystaniem PFGE (ang. Pulsed Field Gel Electrophoresis)jest uważana za ''złoty standard'' w typowaniu molekularnym. Jednak jest ona czasochłonna, pracochłonna i dlatego nie nadaje...
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Split-beam echosounder data from Puck Bay autumn 2018 Part II
Open Research DataThe acoustic data was collected in 2018, in the Bay of Puck, in the seasons: autumn. Data was collected during the day and night. Three split-beam echosounders with frequencies of 38 kHz, 120 kHz and 333 kHz were used to collect the data. The data was collected at a designated study area not far from the city of Hel and on the route Hel - Gdynia while...
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Golden artefacts, resin figurines, body adhesives and tomb sediments from the pre-Columbian burial site El Caño (Gran Coclé, Panamá): tracing organic contents using molecular archaeometry
PublicationThis research aimed to determine the origin of organic residues from funerary contexts in the El Ca~no settlement (Gran Cocl�e area, Panam�a, Central America) by means of multiple molecular probing techniques (GC-MS of organic solvent extracts and pyrolysis-GC-MS, THM-GC-MS and FTIR of solid samples). The samples include particles of precious resin figurines, fillings of golden objects, tomb sediments, plant exudates from extant...
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ATHLOS: Revista Internacional de Ciencias Sociales de la Actividad Física, el Juego y el Deporte
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Urszula Szybowska mgr
PeopleLibrarian and English philologist, currently involved in academic library services and training of Polish and international users of the Gdańsk Tech Library, and Erasmus+ mobility projects. International cooperation coordinator at the Gdańsk Tech Library (2017-2020) ; since 2020 Erasmus+ program coordinator at Gdańsk Tech Library ; social media librarian: Facebook (2018-2023, September), Twitter (@LibraryPG - 2017, October - 2023,...
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Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki
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Padvsa Bollettino del Centro Polesano di studi storici, archeologici ed etnografici
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Revista de la Asociacion Espanola de Especialistas en Medicina del Trabajo
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Revista Mad-Revista del Magister en Analisis Sistemico Aplicado a la Sociedad
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Pensar en Movimiento-Revista de Ciencias del Ejercicio y la Salud
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Revista Internacional y Comparada de RELACIONES LABORALES Y DERECHO DEL EMPLEO
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Boletin de la Sociedad Espanola de Espeleologia y Ciencias del Karst
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temilavoro.it - sinossi internet di diritto del lavoro e della sicurezza sociale
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Revista de la Facultad de Agronomia de la Universidad del Zulia
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Boletín del Instituto de Historia Argentina y Americana "Doctor Emilio Ravignani"
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Cycling performances of the V2O5 nanorods as cathode material in Li-ion batteries
Open Research DataThe DataSet contains the next one hundred galvanostatic charge/discharge curves of the V2O5 nanorods obtained by the sol-gel method. The battery tests of the samples were performed using the Atlas-Sollich 0961 (Atlas-Sollich, Poland) with C/5 and 2C current densities in the voltage range between 2.0 V and 4.0 V vs. Li/Li+. Here 1C is 294 mAh g-1. The...
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Cycling performances of the V2O5 nanocrystals as cathode material in Li-ion batteries
Open Research DataThe DataSet contains the next one hundred galvanostatic charge/discharge curves of the V2O5 nanocrystals obtained by the sol-gel method. The battery tests of the samples were performed using the Atlas-Sollich 0961 (Atlas-Sollich, Poland) with C/5 and 2C current densities in the voltage range between 2.0 V and 4.0 V vs. Li/Li+. Here 1C is 294 mAh g-1. ...
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Croquis, de arquitectura y de diseño (El)
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Janus-Estudios Sobre El Siglo de Oro
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Agnieszka Witkowska dr hab. inż.
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Cross-linking of epoxy-oligomeric mixtures in the presence of modified phenol-formaldehyde resins
PublicationCross-linking of epoxy oligomeric mixtures consisting of industrial epoxy resin ED-20, oligoetheracrylate TGM-3, peroxide derivative of epoxy resin ED-24 and phenol-formaldehyde oligomer with unsaturated methacrylate fragments or peroxide groups was studied in the presence of polyethylenepolyamine at room temperature and heated to 383, 403 or 423 K for 15, 30, 45, 60 and 75 minute. The influence of mixture composition, temperature...
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Paweł Filipkowski dr inż.
PeoplePaweł Filipkowski Ph.D. Biotechnology Department of Chemistry, Technology and Biotechnology of Food Faculty of Chemistry Gdansk University of Technology Narutowicza 11/12 80-233 Gdansk, Poland Tel: +48 58 3472456 e-mail: pawel.filipkowskiATpg.edu.pl Current position: Assistant Professor/Senior Lecturer*(from Jan.2019) of Biotechnology, Department of Chemistry, Technology and Biotechnology of Food, Gdansk University of Technology. Education: Eng....
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Nano-particle doped hydroxyapatite material evaluation using Spectroscopic Polarization Sensitive Optical Coherence Tomography
PublicationBio-ceramics such as hydroxyapatite (HAp) are widely used materials in medical applications, especially as an interface between implants and living tissues. There are many ways of creating structures from HAp like electrochemical assisted deposition, biomimetic, electrophoresis, pulsed laser deposition or sol-gel processing. Our research is based on analyzing the parameters of the sol-gel method for creating thin layers of HAp....
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The dispersive micro-solid phase extraction method for MS-based lipidomics of human breast milk*
PublicationA simple and rapid microextraction method ensuring high lipidome coverage was developed for liquid chromatography mass spectrometry (LC-MS)-based lipidomics of human breast milk. The dispersive microsolid phase extraction (D-µ-SPE) technique, coupled with the design of experiment (DoE) method, enabled the study of the influence of several conditions (desorption solvent, stationary phase ratio, and sorption and desorption time)...
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Structural and Thermo-Mechanical Properties of Poly(ε-caprolactone) Modified by Various Peroxide Initiators
PublicationThe modification of poly(ε-caprolactone) (PCL) was successfully conducted during reactive processing in the presence of dicumyl peroxide (DCP) or di-(2-tert-butyl-peroxyisopropyl)-benzene (BIB). The peroxide initiators were applied in the various amounts of 0.5 or 1.0 pbw (part by weight) into the PCL matrix. The effects of the initiator type and its concentration on the structure and mechanical and thermal properties of PCL were...
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Ionogel fibres of bis(trifluoromethanesulfonyl)imide anion-based ionic liquids for the headspace solid-phase microextraction of chlorinated organic pollutants
PublicationIonogels, a family of hybrid materials in which ionic liquids (ILs) are confined in a sol–gel network, are receiving much attention in a variety of scientific and technological fields. In this work, ionogels derived from three different ILs based on the anion bis(trifluoromethanesulfonyl)imide (TFSI), namely 1-butyl- 3-methylpyridinium bis(trifluoromethanesulfonyl)imide ([C4C1Py][TFSI]), 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide...
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W kierunku zmiennej metafory miasta-miejsca, zdarzenia, krajobrazy. W: Ka- zimierz Wejchert - teoria kompozycji urbanistycznej. Warszawa: Akapit-DTP** 2003 s. 52-61, 3 il. bibliogr. 26 poz. Urbanistyka. Międzyuczelniane Zeszyty Naukowe R. VIII. Red. serii: prof. S. Gzel.
PublicationW latach 60. XX wieku, w dużej mierze za sprawą koncepcji K. Lyncha, corazwyraźniej zaczęła się wykształcać zmiana w wyobrażeniu miasta, które rozu-miane jest dzisiaj nie tylko jako statyczny wzór, ale jako układ wzajemnychoddziaływań, scena życia społecznego, miejsce zdarzeń i dynamicznych wpływówśrodowiska. Miejsca definiowane są dzisiaj nie tylko w kryteriach kompozycy-jnych, ale także poprzez zdarzenia, interakcje, miejskie...
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Identification and cloning of C. albicans SC5314 genes encoding L-methionine biosynthetic pathway enzymes.
Open Research DataEnzymes of fungal L-methionine biosynthetic pathway: homoserine O-acetyltransferase (Met2p), O-acetylhomoserine sulfhydrylase (Met15p) and cystathionine-γ-synthase (Str2p) could be exploited as molecular targets for antifungal chemotherapy. The goal of the study was to identify and clone genes encoding mentioned above enzymes. MET2, MET15 and STR2 genes...
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Agnieszka Kamińska, WETI, EL+Tel, II st, 2 sem, 22/23z
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Agnieszka Kamińska, WETI, EL+Tel, II st, 1 sem, 21/22l
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Katarzyna Orłowska, WETI, El+Tel, I st 3 sem, 22/23l
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Katarzyna Orłowska, WETI, El+Tel, I st 2 sem 21/22
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Katarzyna Orłowska, WETI, El+Tel, I st 2 sem 22/23l
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Katarzyna Orłowska, WETI, El+Tel, II st 1 sem 21/22
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Cycling performances of the V2O5 nanostructures as cathode material in Na-ion batteries
Open Research DataThe DataSet contains the next one hundred galvanostatic charge/discharge curves of the V2O5 nanostructures with different morphology obtained by the sol-gel method. The battery tests of the samples were performed using the Atlas-Sollich 0961 (Atlas-Sollich, Poland) with C/5 current densities in the voltage range between 2.0 V and 4.0 V vs. Li/Li+. Here...
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Analysis of the Water Level Variation at the Polish Part of the Vistula Lagoon (2008-2017)
Open Research DataThe dataset consists of the following data:
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rigid polyurethane foams modified with selected nanofillers
PublicationThe nanofillers: natural montmoryllonite (MMT) - Bentonite, natural MMT modified with a quaternary ammonium salt - Cloisite30B, has been used in rigid polyurethane foams (PUFs). The influence of fillers amounts on processing parameters, physical-mechanical properties (density, water absorption, brittleness and compression strength) and thermal properties (thermal stability, fire behaviours) of such foams has been analysed. The...
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Selected Problems of Machine Dynamics II
e-Learning CoursesThe following set of lectures is performed: 1. LECTURE No.1 - INTRODUCTION TO SELECTED PROBLEMS OF MACHINE DYNAMICS. STRUCTURES and MACHINES 2. LECTURE No.2 - ENVIRONMENT, LOADS ON STRUCTURES and MACHINES 3. LECTURE No.3 - DYNAMICS of STRUCTURES and MACHINES 4. LECTURE No.4 - STRENGTH of STRUCTURES and MACHINES 5. LECTURE No.5 - SPECIAL PROBLEMS ASSOCIATED with DYNAMICS and STRENGTH of STRUCTURES and MACHINES
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Selected Problems of Machine Dynamics
e-Learning CoursesThe following set of lectures is performed: 1. LECTURE No.1 - INTRODUCTION TO SELECTED PROBLEMS OF MACHINE DYNAMICS. STRUCTURES and MACHINES 2. LECTURE No.2 - ENVIRONMENT, LOADS ON STRUCTURES and MACHINES 3. LECTURE No.3 - DYNAMICS of STRUCTURES and MACHINES 4. LECTURE No.4 - STRENGTH of STRUCTURES and MACHINES 5. LECTURE No.5 - SPECIAL PROBLEMS ASSOCIATED with DYNAMICS and STRENGTH of STRUCTURES and MACHINES
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Selected Problems of Machine Dynamics - advances
e-Learning CoursesThe following set of lectures is performed: 1. LECTURE No.1 - INTRODUCTION TO SELECTED PROBLEMS OF MACHINE DYNAMICS. STRUCTURES and MACHINES 2. LECTURE No.2 - ENVIRONMENT, LOADS ON STRUCTURES and MACHINES 3. LECTURE No.3 - DYNAMICS of STRUCTURES and MACHINES 4. LECTURE No.4 - STRENGTH of STRUCTURES and MACHINES 5. LECTURE No.5 - SPECIAL PROBLEMS ASSOCIATED with DYNAMICS and STRENGTH of STRUCTURES and MACHINES
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Selected Problems of Machine Dynamics - advances
e-Learning CoursesThe following set of lectures is performed: 1. LECTURE No.1 - INTRODUCTION TO SELECTED PROBLEMS OF MACHINE DYNAMICS. STRUCTURES and MACHINES 2. LECTURE No.2 - ENVIRONMENT, LOADS ON STRUCTURES and MACHINES 3. LECTURE No.3 - DYNAMICS of STRUCTURES and MACHINES 4. LECTURE No.4 - STRENGTH of STRUCTURES and MACHINES 5. LECTURE No.5 - SPECIAL PROBLEMS ASSOCIATED with DYNAMICS and STRENGTH of STRUCTURES and MACHINES
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Strenght of materials towards applications, PG_00053661
e-Learning CoursesThe aim of the course is to perform the following subjects: 1. LECTURE No.1 - INTRODUCTION TO SELECTED PROBLEMS OF MACHINE DYNAMICS. STRUCTURES and MACHINES 2. LECTURE No.2 - ENVIRONMENT, LOADS ON STRUCTURES and MACHINES 3. LECTURE No.3 - DYNAMICS of STRUCTURES and MACHINES 4. LECTURE No.4 - STRENGTH of STRUCTURES and MACHINES 5. LECTURE No.5 - SPECIAL PROBLEMS ASSOCIATED with DYNAMICS and STRENGTH of STRUCTURES and MACHINES
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Wstęp: charakterystyka problemu
PublicationCharakterystyka problemu. Cel i zakres podręcznika.