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A comparative analysis of phenotypic and genotypic methods for the determination of the biofilm-forming abilities of Staphylococcus epidermidis
PublikacjaThe collection of 146 Staphylococcus epidermidis strains isolated from the nasopharynx of lung cancer patients has been studied for the ability of slime secretion and biofilm formation using the Congo red agar (CRA) test and the microtiter plate (MtP) method, respectively. The prevalence of the icaAD and the aap genes was also analyzed. Some isolates (35.6%) were biofilm positive by the MtP method, while 58.9% of isolates exhibited...
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A comparative analysis of phenotypic and genotypic methods for the determination of the biofilm-forming abilities of Staphylococcus epidermidis
PublikacjaThe collection of 146 Staphylococcus epidermidis strains isolated from the nasopharynx of lung cancer patients has been studied for the ability of slime secretion and biofilm formation using the Congo red agar (CRA) test and the microtiter plate (MtP) method, respectively. The prevalence of the icaAD and the aap genes was also analyzed. Some isolates (35.6%) were biofilm positive by the MtP method, while 58.9% of isolates exhibited...
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Generating reliable conformance test suites for parallel and distributed languages, libraries, and APIs.
PublikacjaArtykuł nakreśla nową metodykę dla tworzenia Zestawów Testów Zgodności (ZTG) dla języków, bibliotek i API programowania równoległego i rozproszonego. Autor rozpoczął swoje badania w zakresie testowania zgodności dla języka równoległego sterowanego danymi Athapascan, opracował metodykę dla projektowania i analizowania ZTG nazwaną Metodą Kolejnych Zawężeń (ang. Consecutive Confinements Methods - CoCoM), stworzył narzędzie CTS Designer,...
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Dobrze jest... być sobą. Spotkanie z Bovską
WydarzeniaZapraszamy na spotkanie z Bovską - wokalistką, autorką albumów Kaktus, Pysk oraz Kęsy.
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Thermoplastic polyurethanes with glycolysate intermediates from polyurethane waste recycling
PublikacjaThe polyol is a major component in polyurethane formulations and therefore introducing to the formulation recycled polyol (obtained during decomposition process) allows decreasing the usage of pure petrochemical components. In this work, thermoplastic polyurethanes were prepared using various mixtures of a petrochemical macrodiol poly(ethylene-butylene adipate)diol (PEBA) and a recycled glycolysate intermediate, called glycolysate...
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The effect of anthraquinone derivatives on telomerase activity
Dane BadawczeThe data set contains images of the PCR products obtained from the Telomerase Repeated Amplification Protocol (TRAP). The effect of anthraquinone derivatives (TXT1-TXT9) on telomerase activity was comparatively examined using the following reference compounds: BIBR1532, TMPyP4 and mitoxantrone (MTX).
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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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Computed tomography indicators of cerebral microperfusion improve long term after carotid stenting in symptomatic patients
PublikacjaOBJECTIVES: We tested the hypothesis that computed tomography (CT) perfusion markers of cerebral microcirculation would improve 36 months after internal carotid artery stenting for symptomatic carotid stenosis while results obtained 6-8 weeks after the stenting procedure would yield a predictive value. METHODS: We recruited consecutive eligible patients with >70% symptomatic carotid stenosis with a complete circle of Willis and...
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The role of SSVF and SSHF beds in concentrated wastewater treatment, design recommendation
PublikacjaThe return flows of reject water from sewage sludge dewatering alter the activated sludge process ina conventional WWTP and increase TN concentration in the final effluent from WWTP. The objectiveof the investigation carried out was to consider the application of multistage treatment wetland(MTW) for the treatment of reject water from sewage sludge dewatering in a centrifuge (RWC). Thispaper aims to present the design and performance...
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Bio and slide bearings, their lubrication by non-Newtonian oils and applications in non-conventional systems
PublikacjaProject MTK-CT-2005-2008-517226Praca opisuje główne kierunki badawcze projektu europejskiego ToK, którego autor jest koordynatorem z ramienia Politechniki Gdańskiej.
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Change in Heavy Metals Concentrations in Sediments Deposited in Retention Tanks in a Stream after a Flood
PublikacjaOur paper presents the results of heavy metal (HM) (Zn, Cu, Pb, Cd) content in bottom sediments from retention tanks along Oliwa Stream in Gdańsk, Poland, before a flood (BF) and after a flood (AF) 14-15 July 2016. The flood had a huge impact on the quality of bottom sediments and their displacement. The concentrations of HM differed significantly for research series conducted 3 months BF and 8 months AF. The concentration of Cu...
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Marcin Stienss dr inż.
OsobyMarcin Stienss (urodzony w 1982 r. w Malborku) specjalizuje się w tematyce infrastruktury drogowej. Jego główne obszary badawcze dotyczą mieszanek mineralno-asfaltowych, badań i diagnostyki nawierzchni oraz szeroko pojętego procesu projektowania dróg. W roku 2006 roku uzyskał na Wydziale Inżynierii Lądowej i Środowiska Politechniki Gdańskiej stopień magistra inżyniera na kierunku Budownictwo Lądowe w specjalności Inżynieria Transportowa,...
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Effect of urea and glycine betaine on the hydration sphere of model molecules for the surface features of proteins
PublikacjaWater properties may significantly affect protein stability. Osmolytes are compounds that intrinsically affect water in many different ways and thus can influence proteins with this type of indirect mechanism. In this study, we characterize water properties in ternary solutions: model–water–osmolyte, with two model molecules: N-methylacetamide (NMA) and dimethyl sulfoxide (DMSO) and two osmolytes: glycine betaine (TMG)and urea....
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Obrazowanie perfuzji mózgu z wykorzystaniem modelowania parametrycznego danych DSC-MRI
PublikacjaPomiary DSC-MRI (Dynamic Susceptibility Contrast Magnetic Resonance Imaging) zostały wykorzystane w pracy do estymacji parametrów perfuzji mózgu: przepływu krwi mózgowej (cerebral blood flow, CBF), objętości krwi mózgowej (cerebral blood volume, CBV) oraz średniego czasu przejścia (mean transit time, MTT). Zaproponowano model trzykompartmentowy. Przedstawiono i porównano dwa podejścia do identyfikacji modelu na podstawie danych...
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Novel sugar-based nickel-tungsten carbide catalysts for dry reforming of hydrocarbons
PublikacjaThe search for new materials for dry reforming of hydrocarbons with high activity, stability, and ease of synthesis is still one of the main directions of research in the field of heterogeneous catalysis. Traditional methods of carbide synthesis require the use of combustible gases of petrochemical origin. The search for new catalysts based on renewable and safe carbon sources is highly demanded. Therefore, we report WC and Ni-WC...
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Structural Insights into New Bi(III) Coordination Polymers with Pyridine-2,3-Dicarboxylic Acid: Photoluminescence Properties and Anti-Helicobacter pylori Activity
PublikacjaTwo novel coordination polymers, [Bi2(2,3pydc)2(2,3pydcH)2(H2O)]n(1) and {(Et3NH)2[Bi(2,3pydc)(2,3pydcH)Cl2]}n(2) were prepared using as a prolinker pyridine-2,3-dicarboxylic acid(2,3pydcH2). The obtained complexes were fully characterized by elemental analysis, TG/DTG, FT-IR,solid-state photoluminescence, DFT calculations and single-crystal X-ray diffraction. The obtainedcomplexes crystallized in the triclinicP-1 space group (1)...
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Wpływ przemian cieplnych na podatność stopów Al-Mg i Al-ZnMg na naprężenio- we pękanie korozyjne.**2002, 122 s. 64 fot., 15 rys. 8 tab. bibliogr. 95 poz. maszyn. Rozprawa doktorska /18.06.2002/. P. Gdań., Wydz. Mechaniczny. Promotor: prof. dr hab. inż. A. Zieliński.
Publikacja.
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Cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 2
Dane BadawczeThis study presents absorbance of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 2). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 3
Dane BadawczeThis study presents absorbance of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 3). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Brain perfusion imaging with the use of parametric modelling basing on DSC-MRI data
PublikacjaW pracy do estymacji parametrów perfuzji mózgu: przepływu krwi mózgowej (cerebral blood flow, CBF), objętości krwi mózgowej (cerebral blood volume, CBV) oraz średniego czasu przejścia (mean transit time, MTT) wykorzystano pomiary DSC-MRI (Dynamic Susceptibility Contrast Magnetic Resonance Imaging). W modelowaniu danych MRI zastoswoano model trzykompartmentowy. Przedstawiono i porównano dwa podejścia do identyfikacji modelu różniące...
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Diagnostyka stalowej dystrybucyjnej sieci gazowej pod kątem zagrożenia prądami błądzącymi
PublikacjaOmówiono badania zagrożenia gazociągów korozją elektrolityczną, które wykonano na sieci gazowej eksploatowanej przez MSG sp. z o.o. Badaniami objęto wytypowane obszary sieci w rejonach oddziaływania trakcji kolejowej i tramwajowej we wszystkich OZG wchodzących w skład Spółki. W referacie opisano metodykę badań, realizację kolejnych etapów przedsięwzięcia oraz osiągnięte rezultaty. Pomiary terenowe wykonane zostały przez zespoły...
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Krzysztof Jan Kaliński prof. dr hab. inż.
OsobyUkończył studia magisterskie na Wydziale Mechanicznym Technologicznym (MT) PG (1980, dyplom z wyróżnieniem). Stopień doktora otrzymał na Wydziale Budowy Maszyn PG (1988, praca wyróżniona), stopień doktora habilitowanego na Wydziale Mechanicznym (WM) PG (2002, praca wyróżniona), a tytuł profesora nauk technicznych – w 2013 r. Od 2015 r. jest profesorem zwyczajnym, a od 2019 r. - profesorem. Obszar jego badań naukowych obejmuje:...
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Preliminary Investigation on Rapid Potassium Efflux from Activated Sludge in Response to Use of Peroxyacetic Acid
PublikacjaPreliminary research on activated sludge potassium efflux (GGKE - glutathione-gated potassium efflux) as a result of peroxyacetic acid (PAA) dosing were performed. Similarily as in case of chlorine dosing the PAA dosing causes initiation of bacteria defense mechanisms, related to the transformations of glutathione tripeptide, resulting in the increase of potassium ions concentration in the activated sludge environment. In the range...
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Flow cytometry analysis of DNA DSBs in telomerase positive and negative cell lines after treatment with TXT2 and TXT4
Dane BadawczeFlow cytometry analysis of DNA DSBs in telomerase positive (A549, H460) and negative (NHBE2594, U2OS) cell lines after treatment with equitoxic concentrations of TXT2 and TXT4. MTX and DMSO were used as positive and negative controls, respectively.
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Perfusion computed tomography: 4 cmversus8 cm coverage size in subjects with chronic carotid artery stenosis
PublikacjaOBJECTIVE: The impact of coverage size on global cerebral blood flow (CBF), cerebral blood volume (CBV), mean transit time (MTT) and time to peak (TTP) parameters has not been investigated in patients with chronic carotid artery stenosis. METHODS: 63 patients with stenosis of >70% within a single internal carotid artery and neurological symptoms were randomly assigned to two well-matched groups. Differences in CT perfusion scan...
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Effect of alkyl sulfate on the phase behavior of microemulsions stabilized with monoacylglycerols
PublikacjaIn this study the effect of an anionic surfactant (sodium dodecyl sulfate SDS) and oils (hydrocarbons: C12-C16) on the formation and phase behavior of the systems of oil/monoacylglycerols (MAG):SDS/propylene glycol/water has been investigated. The effects of the surfactant mixture on the phase behavior and the concentrationof water or oil in the systems were studied at three temperatures (50, 55, 60 C). Electrical conductivity...
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Zawartość wapnia i magnezu oraz twardość wody w małych wiejskich wodociągach w województwie pomorskim
PublikacjaCelem pracy było określenie zawartości wapnia i magnezu oraz twardości wody w wodociągach wiejskich województwa pomorskiego. Analizie poddano 82 losowo wybranych wodociągów wiejskich z ok. 750 tego typu obiektów w województwie. Dane dotyczące jakości wody uzyskano z Powiatowych Stacji Sanitarno Epidemiologicznych oraz gminnych przedsiębiorstw wodociągowo-kanalizacyjnych. We wszystkich wodociągach twardość wody mieściła się w granicach...
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Protein thermal stabilization in aqueous solutions of osmolytes
PublikacjaProteins’ thermal stabilization is a significant problem in various biomedical, biotechnological, and technological applications. We investigated thermal stability of hen egg white lysozyme in aqueous solutions of the following stabilizing osmolytes: Glycine (GLY), N-methylglycine (NMG), N,N-dimethylglycine (DMG), N,N,N-trimethylglycine (TMG), and trimethyl-N-oxide (TMAO). Results of CD-UV spectroscopic investigation were compared...
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Cytotoxicity of C-2028, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Cytotoxicity of QDgreen-holo-Tf, QDred-holo-Tf, QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 1
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf, QDred-holo-Tf, QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 1). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst LNCaP cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst Du-145 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Wytrzymałość materiałów - MTR
Kursy OnlineCelem przedmiotu jest zapoznanie studentów z podstawowymi zagadnieniami związanymi z wytrzymałością materiałów. Wykłady dotyczą kolejno: podstawy wytrzymałości materiałów, wytrzymałość pręta prostego na ściskanie/rozciąganie, analiza wytrzymałości dla układów prętowych statycznie niewyznaczalnych, wytrzymałość prętów na skręcanie, wytrzymałość belek zginanie, odkształcenia belki zginanej, ścinanie pręta (pręt ścinany), stany naprężeń,...
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Self-organized multilayered graphene-boron doped diamond hybrid nanowalls for high performance electron emission devices
PublikacjaCarbon nanomaterials like nanotubes, nanoflakes/nanowalls and graphene have been used as electron sources due to their superior field electron emission (FEE) characteristics. Nevertheless, these materials show poor stability and a short lifetime, preventing them from being used in practical device applications. The intention of this study was to find an innovative nanomaterial, possessing both high robustness and reliable FEE behavior....
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst H460 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst H460 cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells
Dane BadawczeTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst Du-145 cancer cells
Dane BadawczeTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Study of the ability of TXT-compounds to promote telomeric G4 DNA thermal stabilization using FRET melting assay
Dane BadawczeThe data set contains a DNA melting screen obtained from the FRET melting assay. Thermal stabilities of G-quadruplex structures were analysed in the presence and in absence of ligands. TMPyP4 and MTX were used as references. Measurements were carried out in triplicate using a LightCycler 480 thermocycler (Roche Life Science) with a filter setting of...
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Folding‐upon‐repair DNA nanoswitches for monitoring DNA repair enzymes activity
PublikacjaWe demonstrate here a new class of DNA‐based nanoswitches that, upon enzymatic repair, could undergo a conformational change mechanism leading to a change in fluorescent signal. Such folding‐upon‐repair DNA nanoswitches are synthetic DNA sequences containing O6‐methyl‐guanine (O6‐MeG) nucleobases and labelled with a fluorophore/quencher optical pair. The nanoswitches are rationally designed so that only upon enzymatic demethylation...
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst MRC-5 normal cells
Dane BadawczeTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst MRC-5 normal cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Optimization of capillary isotachophoretic method for determination of major macroelements in blue honeysuckle berries (Lonicera caerulea L.) and related products
PublikacjaA reliable and repeatable isotachophoretic method for the simultaneous determination of K+, Na+, Ca2+, Mg2+ and ammonium in berries of different blue honeysuckle cultivars was developed. The usefulness of the complex-forming equilibria in determining the cations mentioned above was studied. The addition of 7.5 mM 18-crown-6 and 2 mM α-hydroxyisobutyric acid to sulfuric acid enhanced the separation capacity of the leading electrolyte....
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Flow cytometry analysis of caspase 3/7 activation in A549, H460 and U2OS cells after exposure to TXT2 and TXT4
Dane BadawczeThe data contains flow cytometry analysis of caspase 3/7 activation in A549, H460 and U2OS cells after exposure to equitoxic concentrations of TXT2 and TXT4. DMSO and MTX were used as positive and negative controls, respectively. Caspase 3/7 activity was detected using CellEvent™ Caspase-3/7 Green Flow Cytometry Assay Kit (#C10427, Thermo Fisher Scientific)....
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KONSULTACJE / SDW-MS, WMI-W, PB-W / Wydział Inżynierii Mechanicznej i Okrętownictwa / sem. zimowy 2021/2022 (PG)
Kursy OnlineKONSULTACJE PRZEZNACZONE SĄ DLA STUDENTÓW: - SZKOŁY DOKTORSKIEJ WDROŻENIOWEJ - PG: Mechanika Stosowana (W) - STUDIÓW INZYNIERSKICH I STOPNIA - MiBM, MTR, ZiIP - WIMiO: WMI (W) - STUDIÓW INŻYNIERSKICH I STOPNIA - MiBM st. niestacj. - WIMiO - WMI (W) - STUDIÓW MAGISTERSKICH II STOPNIA - TKiS - WIMiO - Pojazdy Bezzałogowe (W) KONSULTACJE ODBYWAJĄ SIĘ ZDALNIE w CZWARTEK w godz. 15.00-17.00
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Ozonowanie w oczyszczaniu barwnych wód podziemnych
PublikacjaW publikacji przedstawiono wyniki badań, przeprowadzonych w skali laboratoryjnej, nad zastosowaniem ozonowania w uzdatnianiu wody podziemnej o podwyższonej barwie oraz ponadnormatywnych stężeniach żelaza i manganu. W całym zakresie zastosowanych dawek ozonu (1,0-10,0 mg O3/l), wraz ze wzrostem dawki obserwowano poprawę wszystkich badanych parametrów jakościowych wody (barwy, mętności, manganu, żelaza oraz absorpcji UV). Zmniejszenie...
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Determination of toluene formed during fermentation of sewage sludge
PublikacjaW pracy przedstawiono wyniki oznaczeń toluenu w próbkach osadów ściekowych przy wykorzystaniu techniki wypłukiwania i jednoczesnego wychwytywania analitów (PT). Badania procesu feremntacji osadów ściekowych doprowadziły do stwierdzenia, że w trakcie tego procesu powstaje toluen. Stwierdzono wzrost stężenia toluenu od poziomu 3 mg/l do ponad 24 mg/l dla próbek osadów ściekowych z Oczyszczalni Gdańsk -Wschód oraz od poziomu 0,6 mg/l...
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Analysis of induction of DNA DSBs on telomeres in A549 cells
Dane BadawczeData consist of an analysis of DNA DSBs on telomeres. A549 were treated with compounds (TXT4, MTX, DMSO) at IC90 concentration for the indicated time. Images were acquired with an LSM 800 inverted laser scanning confocal microscope (Carl Zeiss; Dresden, Germany) equipped with an Airyscan detector using a ×63 1.4 NA Plan Apochromat objective (Carl Zeiss)....
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Methylmercury and total mercury content in soft tissues of two bird species wintering in the Baltic Sea near Gdansk, Poland
PublikacjaOf the various forms of Hg occurring in nature, (mono) methylmercury (MeHg) is an especially toxic form and practically all forms of Hg can be converted into MeHg as a result of natural processes. Total mercury (THg) and MeHg were determined in tissues of two piscivorous birds: razorbill Alca torda and black-throated loon Gavia arctica to provide baseline data on current mercury concentrations for liver, kidneys and pectoral muscle...
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Seasonal changes of the concentrations of mineral forms of nitrogen and phosphorus in watercourses in the agricultural catchment area (Bay of Puck, Baltic Sea, Poland)
PublikacjaThe Baltic Region countries are obliged to meet the stringent limits of N and P discharge set by HELCOM for 2021. Area sources of pollution, including agriculture, are considered the main contributors of biogenic compounds. The Bay of Puck as an inner part of the Baltic Sea is particularly sensitive to eutrophication caused by nutrient in flow from agricultural lands. Rivers and streams inflowing to the Bay of Puck transport nitrogen...
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Chemical and biological characterization of Ocimum basilicum L. phenolic extract and essential oil derived through ultrasound and microwave-assisted extraction techniques
PublikacjaPlant-derived bioactive molecules are increasingly utilized in food processing as natural additives, driven by a growing interest in healthier lifestyles. This trend has spurred industries to reformulate products to meet the demands of health-conscious consumers. This study investigates the phenolic extract and essential oil of O. basilicum L. obtained via ultrasound-assisted extraction and microwave-assisted extraction, respectively. Characterization...
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Application of multistage treatment wetlands as a buffer for effluent from Anammox treatment for reject water from centrifugation
PublikacjaAccording to the newest knowledge concerning TW technology multistage treatment wetland could be easily applied for ensuring stable and low concentration of biogenic compounds form the effluent of SBR reactor (with nitritation/annamox process) for treatment of digested sludge dewatering in side stream. The working condition and optimising of such MTW will be the issue of carried out investigation.