Filtry
wszystkich: 1038
-
Katalog
- Publikacje 874 wyników po odfiltrowaniu
- Czasopisma 4 wyników po odfiltrowaniu
- Osoby 26 wyników po odfiltrowaniu
- Wynalazki 9 wyników po odfiltrowaniu
- Projekty 6 wyników po odfiltrowaniu
- Laboratoria 1 wyników po odfiltrowaniu
- Zespoły Badawcze 1 wyników po odfiltrowaniu
- Aparatura Badawcza 1 wyników po odfiltrowaniu
- Kursy Online 12 wyników po odfiltrowaniu
- Wydarzenia 1 wyników po odfiltrowaniu
- Dane Badawcze 103 wyników po odfiltrowaniu
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: heterotrophic bacteria
-
Straightening of ship hull structure made of 316L stainless steel - tensile test of water cooled materia
Dane BadawczeThe AISI 316L type steel belongs to the group of chromium-nickel stainless steels. They are determined according to European standards as X2CrNiMo17-12-2 and belong to the group of austenitic stainless steels. Steels of this group are used for elements working in seawater environments, for installations in the chemical, paper, and food, industries,...
-
Hubert Cieśliński dr hab. inż.
Osoby -
Wpływ wysokiego ciśnienia na mikroorganizmy
PublikacjaW przeglądowym opracowaniu przedstawiono wpływ wysokich ciśnień na bakterie, grzyby i wirusy. Scharakteryzowano wrażliwość mikroorganizmów na działanie wysokiego ciśnienia w zależności od typu mikroorganizmu, fazy wzrostu, składu środowiska i parametrów procesu. Omówiono czynniki warunkujące ciśnienioodporność form przetrwalnych bakterii.
-
Comparative studies of the Acinetobacter genus and the species identification method based on the recA sequences
PublikacjaZaproponowano metodę genotypowania bakterii rodzaju Acinetobacter, opartą o analizę sekwencji genów recA, amplifikację fragmentów genu recA i analizę profili fragmentów restrykcyjnych po cięciu produktów reakcji PCR enzymami restrykcyjnymi (recA PCR/RFLP). Profile RFLP otrzymane za pomocą enzymu Tsp509I są użyteczne w identyfikacji poszczególnych gatunków bakterii rodzaju Acinetobacter. Na podstawie analizy otrzymanych sekwencji...
-
Microbiological analysis of sea water and bottom sediments in Kosakowo – Gdańsk profile
Dane BadawczeThis dataset contains the results of microbiological analysis of sea water and bottom sediments in Kosakowo – Gdańsk profile in 2013 - 2014 . The tested material consisted of water samples (surface water and bottom water) and bottom sediment samples. Water and sediment samples were analysed for the following: number of Enterobacteriaceae genus bacteria,...
-
Charakterystyka oporności Klebsiella pneumoniae New Delhi na karbapenemy
PublikacjaBakterie Klebsiella pneumoniae New Delhi, posiadające gen oporności na karbapenemy (blaNDM) zostały po raz pierwszy wyizolowane w 2008 roku w Szwecji od pacjenta wcześniej hospitalizowanego w Indiach. Bakterie te szybko rozprzestrzeniają się po całym świecie, a od 2011 roku występują również w Polsce. Stanowią one wysokie ryzyko epidemiologiczne, ponieważ gen oporności na karbapenemy przekazywany jest pomiędzy bakteriami poprzez...
-
Występowanie oraz polimorfizm genów kodujących syntezę autotransporterów proteaz serynowych (SPATE) wśród bakterii Escherichia coli wywołujących biegunki u dzieci w regionie Gdańska
PublikacjaW grupie 96 szczepów bakterii Escherichia coli wyizolowanych w rejonie Gdańska od dzieci z biegunką zbadano obecność oraz polimorfizm sekwencji genów kodujących grupę białek o wspólnej nazwie: SPATE (Serine Protease Autotransporters of Enterobacteriaceae). Za pomocą analizy restrykcyjnej zidentyfikowano 8 różnych genów kodujących białka z tej grupy. Obecność jednego genu stwierdzono w 39 szczepach, w 15 szczepach występowały dwa,...
-
Sustainable nitrogen removal in anammox-mediated systems: Microbial metabolic pathways, operational conditions and mathematical modelling
PublikacjaAnammox-mediated systems have attracted considerable attention as alternative cost-effective technologies for sustainable nitrogen (N) removal from wastewater. This review comprehensively highlights the importance of understanding microbial metabolism in anammox-mediated systems under crucial operation parameters, indicating the potentially wide applications for the sustainable treatment of N-containing wastewater. The partial...
-
Zakażenia bakteryjne w przewlekłym zapaleniu ucha środkowego - ocena przydatności diagnostyki molekularnej opartej o technikę PCR. Bacterial infection in chronic otitis media - assessment of usefulness of molecular diagnostic based in PCR method.
PublikacjaIdentyfikacja zakażeń w przewlekłym zapaleniu ucha środkowego jest trudna, o czym świadczą wysokie odsetki ujemnych wyników badań bakteriologicznych. Przyczyną tego jest trudność w uzyskiwaniu wiarygodnego materiału do badań oraz stosunkowo niska czułość klasycznych metod diagnostycznych. Amplifikacja bakteryjnego DNA techniką PCR jest badaniem, które może przyczynić się do zwiększenia efektywności i czułości badań bakteriologicznych....
-
Biomechanical testing of bioactive bone cements – a comparison of the impact of modifiers: antibiotics and nanometals
PublikacjaApart from its bone filler and fracture stabilizing function, bone cement can be used as a carrier of bioactive substances, and such modified bone cement can protect the implant against microorganisms, treat local infections and combat bacteria introduced during the surgical procedure. In this paper, the effects of modifying antibiotics and nanosilver on the biomechanical properties of bone cement were examined. The following tests...
-
Regulated Control of the Assembly and Diversity of LPS by Noncoding sRNAs
PublikacjaThe outer membrane (OM) of Gram-negative bacteria is asymmetric due to the presence of lipopolysaccharide (LPS) facing the outer leaflet of the OM and phospholipids facing the periplasmic side. LPS is essential for bacterial viability, since it provides a permeability barrier and is a major virulence determinant in pathogenic bacteria. In Escherichia coli, several steps of LPS biosynthesis and assembly are regulated by the RpoE...
-
Gracjana Klein-Raina dr hab.
Osoby -
Stan sanitarny wód i osadów dennych wybranych potoków w rejonach ich ujść do Zatoki Gdańskiej.
PublikacjaW pracy zaprezentowano wyniki badań bakteriologicznych prowadzonych w strefie brzegowej Zatoki Gdańskiej w rejonie Sopotu. Pracami objęto obszary oddziaływania 4 potoków uchodzących do Zatoki.Oznaczono ogólną liczbę bakterii psychrofilnych, mezofilnych, grupy coli i coli typu kałowego. Wyizolowano takie bakterie z rodziny Enterobacteriacea i przeprowadzno ich identyfikacje
-
Investigation of Microbes in the Stratosphere – Stardust Project
PublikacjaThe stratospheric microbiota has been investigated many times using the methods of classical microbiology. In this research a few modern methods, including NGS sequencing and multiple displacement amplification of DNA, were in use. The analysis of metagenome helped to determine the content of various species of bacteria in the sample collected in the stratosphere by a hydrogen-filled balloon holding...
-
Antimicrobial Activity of Chimera Peptides Composed of Human Neutrophil Peptide 1 (HNP-1) Truncated Analogues and Bovine Lactoferrampin
PublikacjaThree chimera peptides composed of bovine lactoferrampin and the analogue of truncated human neutrophil peptide 1 were synthesized by the solid-phase method. In two compounds peptide chains were connected via isopeptide bond, whereas in the third one disulfide bridge served as a linker. All three chimeras displayed significantly higher antimicrobial activity than the constituent peptides as well as their equimolar mixtures. The...
-
Karaś P., Kochanowicz K., Pitek M., Domański P., Obuchowski I., Tomiczek B., Liberek K.: Evolution towards simplicity in bacterial small heat shock protein system// eLife -, (2023), s.1-21
PublikacjaEvolution can tinker with multi-protein machines and replace them with simpler single-protein systems performing equivalent functions in an equally efficient manner. It is unclear how, on a molecular level, such simplification can arise. With ancestral reconstruction and biochemical analysis, we have traced the evolution of bacterial small heat shock proteins (sHsp), which help to refold proteins from aggregates using either...
-
Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2016
Dane BadawczeThe data collection contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland). The Gdańsk Szadółki Landfill is one of the biggest of facilities of this type in the country. It occupies an area of 75 hectares and serves around 500 thousand of local residents. The landfill receives around 250 million...
-
The effect of high pressure on formation of volatile amines in minced meat of cod (Gadus morhua)
PublikacjaThe effects of high pressure at subzero temperature (193 MPa, at −20 °C) on inactivation of natural microflora of cod meat and degradation of trimethylamine oxide (TMAO) to trimethylamine (TMA) during refrigerated storage and to dimethylamine (DMA) and formaldehyde (FA) during frozen storage were investigated. The content of TMA, DMA and FA in cod meat did not change immediately after pressure treatment. During 40 days of frozen...
-
Regulated Assembly of LPS, Its Structural Alterations and Cellular Response to LPS Defects
PublikacjaDistinguishing feature of the outer membrane (OM) of Gram-negative bacteria is its asymmetry due to the presence of lipopolysaccharide (LPS) in the outer leaflet of the OM and phospholipids in the inner leaflet. Recent studies have revealed the existence of regulatory controls that ensure a balanced biosynthesis of LPS and phospholipids, both of which are essential for bacterial viability. LPS provides the essential permeability...
-
Biological and mechanical properties of bone cement with nanoparticles - in vivo and in vitro research
PublikacjaDespite antibiotics preventive treatment, before and after an implant implementation, risk of infection are real. These infections at the implant surface develop in a few months after applying them into the body. To prevent the development of bacteria and to reduce the risk of infection, implants coated with nanoparticles come into use. The Mechanical Department of the Technical University of Gdańsk carried out a research with...
-
Analysis of the impact of wastewater discharge on recipients: synergistic approach
PublikacjaThe dissertation presents the analysis of chemical and microbial composition of wastewater and examines the impact of wastewater discharge on the environment. Various case studies were analysed: from small settlements in a pristine European Arctic, to large municipal wastewater treatment plants in areas subjected to greater anthropogenic pressure. In order to comprehensively analyse the impact of wastewater discharge on the receiving...
-
Abnormal cytological findings - Female, 34 - Cell image [426073003847831]
Dane BadawczeThis is the histopathological image of CERVIX UTERI cell sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Changes of microbiological quality of water in distribution system. Zmiany mikrobiologicznej jakości wody w sieci dystrybucyjnej.
PublikacjaW artykule przedstawiono mikrobiologiczną jakość wody podziemnej uzdatnianej w dwóch stacjach oczyszczania wody (WTP I i WTP II), w sieci dystrybucyjnej. Obie stacje uzdatniania stosują dezynfekcję za pomocą dwutlenku chloru. Badania wykazały wzrost ogólnej liczby bakterii w miarę zwiększania się odległości od stacji uzdatniania.In the paper microbiological quality of water in distribution system produced in two ground water treatment...
-
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...
-
Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2015
Dane BadawczeThis data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2015. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic and potentially pathogenic fungi and bacteria. The collected...
-
Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2018
Dane BadawczeThis data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2018. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic and potentially pathogenic fungi and bacteria. The collected...
-
Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2017
Dane BadawczeThis data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2017. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic and potentially pathogenic fungi and bacteria. The collected...
-
Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2019
Dane BadawczeThis data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2019. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic and potentially pathogenic fungi and bacteria. The collected...
-
Probiotic strains from bee products - sequences and other data
Dane BadawczeThis folder contains seqences and other data necessary for evaluation of probiotic potential of bacteria islated from bee products.
-
Straightening of ship hull structure made of 316L stainless steel - tensile test of reference material materia (transverse direction)
Dane BadawczeThe AISI 316L type steel belongs to the group of chromium-nickel stainless steels. They are determined according to European standards as X2CrNiMo17-12-2 and belong to the group of austenitic stainless steels. Steels of this group are used for elements working in seawater environments, for installations in the chemical, paper, and food, industries,...
-
Straightening of ship hull structure made of 316L stainless steel - tensile test of reference material materia (longitudinal direction)
Dane BadawczeThe AISI 316L type steel belongs to the group of chromium-nickel stainless steels. They are determined according to European standards as X2CrNiMo17-12-2 and belong to the group of austenitic stainless steels. Steels of this group are used for elements working in seawater environments, for installations in the chemical, paper, and food, industries,...
-
Modeling the Effect of External Carbon Source Addition under Different Electron Acceptor Conditions in Biological Nutrient Removal Activated Sludge Systems
Publikacjahe aim of this study was to expand the International Water Association Activated Sludge Model No. 2d (ASM2d) to predict the aerobic/anoxic behavior of polyphosphate accumulating organisms (PAOs) and “ordinary” heterotrophs in the presence of different external carbon sources and electron acceptors. The following new aspects were considered: (1) a new type of the readily biodegradable substrate, not available for the anaerobic activity...
-
Thermal Instability of Choline Chloride-Based Deep Eutectic Solvents and Its Influence on Their Toxicity─Important Limitations of DESs as Sustainable Materials
PublikacjaDeep eutectic solvents (DESs) have become a hot topic in many branches of science due to their remarkable properties. They have been studied in a wide variety of applications. In particular, choline chloride (ChCl)-based DESs are one of the most commonly used representatives of these fluids. Nevertheless, in order to apply DESs in some fields, it is essential to guarantee their stability, reusability, and biocompatibility. In this...
-
Biological and mechanical properties of bone cement with nanoarticles - in vitro and in vivo research
PublikacjaDespite antibiotic preventive treatment both before and after implant implementation, the risks of infection are real. These infections develop at the implant surface a few months after inserting them into the body. To prevent the development of bacteria and reduce the risk of infection, implants coated with nanoparticles are used. The Mechanical Department of the Technical University of Gdansk carries out research into using bone...
-
Biomass-Derived Nitrogen Functionalized Carbon Nanodots and Their Anti-Biofouling Properties
PublikacjaThe prevalence of the antibiotic resistant bacteria remains a global issue. Cheap, sustainable and multifunctional antibacterial membranes are at the forefront of filtrating materials capable of treating multiple flow streams, such as water cleansing treatments. Carbon nanomaterials are particularly interesting objects shown to enhance antibacterial properties of composite materials. In this article, amino-functionalized, photoluminescent...
-
Experimental and model-based evaluation of the role of denitrifying polyphosphate accumulating organisms at two large scale WWTPs in northern Poland
PublikacjaW pracy dokonano oceny zdolności denitryfikacyjnych bakterii fosforowych na przykładzie oczyszczalni ścieków ''Wschód'' w Gdańsku i ''Dębogórze'' w Gdyni. W tym celu wykonano serię testów z wykorzystaniem tzw. reaktora ''wsadowego'', które następnie były modelowane za pomocą modelu ASM2d. Badania wykazały, że tylko 32% bakterii fosforowych posiada zdolność do denitryfikacji. Szybkość denitryfikacji związana z aktywnością bakterii...
-
Results of modeling of pharmaceuticals mixtures toxicity with deviation ratio and best-fit functions models using Aliivibrio fischeri bacterium as model organism
Dane BadawczeThe research was concerned with verifying the impact of mixtures of nine pharmaceuticals against a selected organism, i.e., the bacterium Aliivibrio fischeri. A. fisheri is used as a model organism in the monitoring of acute toxicity in environmental and reference samples in Microtox® systems. Tested pharmaceuticals, namely: diclofenac (sodium salt),...
-
Evaluation of antimicrobial properties of thermomelt adhesives modified with zinc compounds
Dane BadawczeThe dataset contains the results of microbiological tests of thermomelt adhesives modified with zinc compounds, whose activity was assessed for their ability to reduce the number of Escherichia coli and Staphylococcus aureus strain, representing the Gram (-) and Gram (+) bacteria, respectively. The evaluation of antimicrobial properties of samples were...
-
Troianalexandrina. Anuario sobre Literatura Medieval de Materia Clasica. Journal on medieval literature containing classical material
Czasopisma -
Bateria superkondensatorów SC
Aparatura BadawczaBateria superkondensatorów SC
-
Feasibility Study of Biohydrogen Production from Acid Cheese Whey via Lactate-Driven Dark Fermentation
PublikacjaThe high loading of lactic acid bacteria (LAB) present in cheese whey still limits its use as hydrogen feedstock. This study aims to investigate the feasibility of producing hydrogen from acid cheese whey via lactate-driven dark fermentation (LD-DF). Mesophilic batch fermentations were performed with delipidated acid cheese whey at a fixed pH of 5.8 and driven by an acidogenic bacterial culture containing LAB and lactate-oxidizing...
-
Rain Gardens SW quality dataset
Dane BadawczeThis dataset contains the results of parameters of storm water runoff and storm water quality in rain garden units. Samples were collected from 4 different rain gardens in Gdansk, Poland.
-
Optimization of the Aeration Strategies in a Deammonification Sequencing Batch Reactor for Efficient Nitrogen Removal and Mitigation of N2O Production
PublikacjaIn deammonification systems, nitrite-oxidizing bacteria (NOB) suppression and nitrous oxide (N2O) mitigation are two important operational objectives. To carry out this multivariable analysis of response, a comprehensive model for the N cycle was developed and evaluated against experimental data from a laboratory-scale deammonification granular sludge sequencing batch reactor. Different aeration strategies were tested, and the manipulated...
-
Study of the process of biofilm formation by UPEC IH11128 in the LB medium
Dane BadawczeBiofilm formation is a direct reaction of bacteria to environmental factors. In order to determine the influence of the medium composition on the ability of IH11128 on biofilm production, we cultured bacteria under the following conditions: LB medium, M9 medium + 0,2% glucose, M9 + 0,5% casamino acids, M9 + 0,5% casamino acids + 0,2% glycerol, M9 +...
-
Study of the process of biofilm formation by UPEC DR14 in the LB medium
Dane BadawczeBiofilm formation is a direct reaction of bacteria to environmental factors. In order to determine the influence of the medium composition on the ability of DR14 on biofilm production, we cultured bacteria under the following conditions: LB medium, M9 medium + 0,2% glucose, M9 + 0,5% casamino acids, M9 + 0,5% casamino acids + 0,2% glycerol, M9 + 0,5%...
-
The metagenomic approach to characterization of the microbial community shift during the long-term cultivation of anammox-enriched granular sludge
PublikacjaA metagenomic approach was used to investigate how the microbial community composition changes when an anammox-based granular sludge reactor is seeded with nitritation-anammox biomass from a wastewater treatment plant. In the seed sample, the abundance of Candidatus Kuenenia stuttgartiensis was similar to Candidatus Jettenia caeni (12.63 vs. 11.68%). This biomass was typical in terms of microbial nitrogen conversion; both ammonia...
-
Strategies for mitigating nitrous oxide production and decreasing the carbon footprint of a full-scale combined nitrogen and phosphorus removal activated sludge system
PublikacjaNitrous oxide (N2O) emitted from biological nutrient removal activated sludge systems contributes significantly to the total carbon footprint of modern wastewater treatment plants. In the present study, N2O production and emissions were experimentally determined in a large-scale plant (220,000 PE) employing combined nitrogen (N) and phosphorus (P) removal. As a modelling tool, the Activated Sludge Model 2d (ASM2d) was extended...
-
Study of the process of biofilm formation by UPEC IH11128 in the M9+0,5% casamino acids medium
Dane BadawczeBiofilm formation is a direct reaction of bacteria to environmental factors. In order to determine the influence of the medium composition on the ability of IH11128 on biofilm production, we cultured bacteria under the following conditions: LB medium, M9 medium + 0,2% glucose, M9 + 0,5% casamino acids, M9 + 0,5% casamino acids + 0,2% glycerol, M9 +...
-
Study of the process of biofilm formation by UPEC DR14 in the M9+0,5% casamino acids+0,2% glycerol medium
Dane BadawczeBiofilm formation is a direct reaction of bacteria to environmental factors. In order to determine the influence of the medium composition on the ability of DR14 on biofilm production, we cultured bacteria under the following conditions: LB medium, M9 medium + 0,2% glucose, M9 + 0,5% casamino acids, M9 + 0,5% casamino acids + 0,2% glycerol, M9 + 0,5%...
-
Study of the process of biofilm formation by UPEC IH11128 in the M9+0,5% casamino acids+0,2% glucose medium
Dane BadawczeBiofilm formation is a direct reaction of bacteria to environmental factors. In order to determine the influence of the medium composition on the ability of IH11128 on biofilm production, we cultured bacteria under the following conditions: LB medium, M9 medium + 0,2% glucose, M9 + 0,5% casamino acids, M9 + 0,5% casamino acids + 0,2% glycerol, M9 +...