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Search results for: MICROSCOPY
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Physicochemical and Volatile Compounds Analysis of Fruit Wines Fermented with Saccharomyces cerevisiae: FTIR and Microscopy Study with Focus on Anti-Inflammatory Potential
PublicationThe growing trend in fruit wine production reflects consumers’ interest in novel, diverse drinking experiences and the increasing demand for healthier beverage options. Fruit wines made from kiwi, pomegranates, and persimmons fermented using S. bayanus Lalvin strain EC1118 demonstrate the versatility of winemaking techniques. Kiwifruit, persimmon, and pomegranate wines were analyzed using HPLC and GC-TOFMS analyses to determine...
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SEM (scanning electron microscopy) and TEM (transmission electron microscopy) images of PMD and PMH
Open Research DataThese data contains SEM (scanning electron microscopy) and TEM (transmission electron microscopy) images of PMD and PMH. TEM was performed on a FEI Tecnai F30 transmission electron microscope operating at an acceleration voltage of 200 kV. SEM was done with a SEM, XL30ESEM-FEG with an acceleration voltage of 20 KV. Sample abbreviations (PMH, PMD) are...
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2024 Microscopy in Environmental Monitoring
e-Learning CoursesThe online repository will be used to teach students by presenting them lectures about variable aspects of microscopy techniques used in environmental monitoring.
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Focused ion beam-based microfabrication of boron-doped diamond single-crystal tip cantilevers for electrical and mechanical scanning probe microscopy
PublicationIn this paper, the fabrication process and electromechanical properties of novel atomic force microscopy probes utilising single-crystal boron-doped diamond are presented. The developed probes integrate scanning tips made of chemical vapour deposition-grown, freestanding diamond foil. The fabrication procedure was performed using nanomanipulation techniques combined with scanning electron microscopy and focused ion beam technologies....
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Insights into the microbial community of treated wastewater, its year-round variability and impact on the receiver, using cultivation, microscopy and amplicon-based methods
PublicationApart from chemical constituents, wastewater treatment plant (WWTP) effluents also release microorganisms that can be important to the receiving water bodies either from a sanitary point of view, or taking to the account the biogeochemical potential of the recipients. However, little is known about the treated wastewater microbial community, its composition, seasonal changes, functions and fate in the waters of the receiver. Thus,...
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Atomic force microscopy based approach to local impedance measurements of grain interiors and grain boundaries of sensitized AISI 304 stainless steel
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Multimodal Imaging Using Raman Spectroscopy and FTIR in a Single Analytical Instrument with a Microscope (Infrared Raman Microscopy AIRsight, Shimadzu): Opportunities and Applications
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Comparative study of donor-induced quantum dots in Si nano-channels by single-electron transport characterization and Kelvin probe force microscopy
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Atomic force microscopy based approach to local impedance measurements of grain interiors and grain boundaries of sensitized AISI 304 stanless steel
PublicationPraca prezentuje wyniki badań uzyskane z pomiarów techniką lokalnej spektroskopii impedancyjnej (LIS) wykonanych w trybie kontaktowym mikroskopii sił atomowych (AFM), które zostały przeprowadzone w lokalnych obszarach powierzchni ziarna austenitu i na granicy ziarna austenitu wysokostopowej stali austenitycznej AISI 304 poddanej procesowi uczulania oraz na próbkach odniesienia nie poddanych obróbce cieplnej.Badania LIS-AFM były...
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Enhancement of the Magnetic Coupling in Exfoliated CrCl 3 Crystals Observed by Low‐Temperature Magnetic Force Microscopy and X‐ray Magnetic Circular Dichroism
PublicationMagnetic crystals formed by 2D layers interacting by weak van der Waals forces are currently a hot research topic. When these crystals are thinned to nanometric size, they can manifest strikingly different magnetic behavior compared to the bulk form. This can be the result of, for example, quantum electronic confinement effects, the presence of defects, or pinning of the crystallographic structure in metastable phases induced by...
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Multifrequency Nanoscale Impedance Microscopy (m-NIM): A novel approach towards detection of selective and subtle modifications on the surface of polycrystalline boron-doped diamond electrodes
PublicationIn this paper, we describe the modification of Nanoscale Impedance Microscopy (NIM), namely, a combination of contact-mode atomic force microscopy with local impedance measurements. The postulated approach is based on the application of multifrequency voltage perturbation instead of standard frequency-by-frequency analysis, which among others offers more time-efficient and accurate determination of the resultant impedance spectra...
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The Scanning Electron Microscopy images of three arthropods
Open Research DataThe dataset contains micrographs of various arthropods made with the Scanning Electron Microscopy (SEM) technique. The images were done during the laboratory with students from the Faculty of Chemistry. Among the studied species, there is a fruit fly (lat.Drosophila melanogaster), a spider (most likely Sibianor aurocinctus), and a weevil insect (Curculionoidea).
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The topography of various sialoliths by scanning electron microscopy
Open Research DataThis dataset contains SEM micrographs taken for salivary gland stones (sialolith) extracted during joint studies between the Medical University of Gdansk and Gdansk University of Technology. Three different types of stones were examined, as discussed in the article: 10.1111/odi.13708
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Automated Analysis of Images from Confocal Laser Scanning Microscopy Applied to Observation of Calcium Channel Subunits in Nerve Cell Model Line Subjected Electroporation and Calcium
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Toward Mechanosynthesis of Diamondoid Structures: IX Commercial Capped CNT Scanning Probe Microscopy Tip as Nowadays Available Tool for Silylene Molecule and Silicon Atom Transfer
PublicationAccording to K. E. Drexler, advanced mechanosynthesis will employ advanced nanomachines, but advanced nanomachines will themselves be product of advanced mechanosynthesis. This circular relationship must be broken in SPM technology development. In the article, the possibility of use easy available commercial CNT tips to assembly silicon-based intermediate generations of nano-devices is considered. Mechanosynthesis of a target class...
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Surface characteristics of glass fibres covered with an aluminum layer after a chemical modification process using secondary ion mass spectrometry (SIMS) and atomic force microscopy (AFM)
PublicationPrzedstawiono wyniki z badań powierzchni modyfikowanych włókien szklanych (przed i po procesie chemicznej modyfikacji ich powierzchni), które są kandydatem na przyszły oryginalny bezmatrycowy materiał odniesienia lotnych analitów etenu (C2H4) metodami spektrometrii mas jonów wtórnych oraz mikroskopii sił atomowych. Badania miały na celu obserwację zmian oraz procesów, jakie zaszły na powierzchni włókien szklanych pokrytych...
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2022 MICROSCOPY IN ENVIRONMENTAL MONITORING -lecture - Nowy
e-Learning CoursesThe online repository will be used to teach students by presenting them lectures about variable aspects of microscopy techniques used in environmental monitoring.
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Ferromagnetic nanoparticles imaging by means of Magnetic Force Microscopy
Open Research DataFerromagnetic nanoparticles can be used as building blocks for advanced thin film magnets, and can also be used in data storage and biomedical technologies. Nano-crystalline ferrites with the chemical formula NixZn (1 - x) Fe2O4, where x = 0, 0.2, 0.4, 0.6, 0.8, 1.0 show anti-corrosion properties and suppress electromagnetic interference, in the case...
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Scanning Probe Microscopy in Electrochemistry and Materials Science
e-Learning CoursesProwadzący: Prof. Jacek LIPKOWSKI z University of Guelph, Ontario, Canada. Kurs zorganizowany dla doktorantów Wydziału Chemicznego Politechniki Gdańskiej. Dostęp do kursu po kontakcie z administratorem.
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Imaging of ferroelectric properties of sinter by means of Piezoresponse Force Microscopy
Open Research DataFerroelectricity is a property of certain materials [1], characterized by a spontaneous electrical polarization that can be reversed by applying an external electric field. Ferroelectric properties can be used to make capacitors with adjustable capacity. The permeability of ferroelectrics is not only regulated, but usually also very high, especially...
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AFM (atomic force microscopy) images of borophene after sonication of boron
Open Research DataThese data include AFM (atomic force microscopy) images of borophene obtained after sonication in aceton of boron, collected in order to estimate lateral size of the nanoflakes.
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The scanning electron microscopy (SEM) studies of low voltage copper cables
Open Research DataThe dataset contains the scanning electron microscopy (SEM) images of the low voltage copper cables, which were studied in the article discussing the regulatory requirements for checking the electrical resistance of such cables. The cables were cut and studies in cross-section. The full results were published in:
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Scanning electron microscopy (SEM) images of the boron-dopied diamond surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of diamond electrodes on different substrates. The diamond surface is characterized by an aggregation of crystals that do not form a continuous layer.
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The exemplary Kelvin probe microscopy studies of sensitized austenitic stainless steels
Open Research DataThe dataset summarizes the results of imaging the surface potential distribution using the Kelvin probe scanning technique. Due to the fact that the potential measured in this way is proportional to the electrochemical potential of metals or intermetallic phases, it is possible to assess the nobility differences of various alloy components. In the case...
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Scanning electron microscopy (SEM) images of the boron-dopied diamond surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of diamond electrodes on silicon substrates. The diamond surface is characterized by ultra-crystalline diamonds obtained by CVD synthesis.
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AFM (Atomic Force Microscopy) analysis of surface topography loaded with nickel nanoparticles.
Open Research DataThis dataset presents AFM (Atomic Force Microscopy) images depicting the surface topography loaded with nickel powdered nanoparticles. The detailed equipment and measurement data was described in "AFM readme.txt" file
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Scanning Electron Microscopy images of nanocubes suspension 1 month after synthesis
Open Research DataThis dataset contains the SEM images of the gold nanocubes suspension in citrate buffer. The goal of the study was to evaluate the size of the synthesized nanocubes, their stability one month after the synthesis process, and to verify the optimal conditions regarding nanocubes concentration for the SEM analysis. Solutions with two different AuNC concentrations...
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Microscopy analysis of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4
Open Research DataThe data set contains live-cell imaging of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4. Cells were exposed for 6 h to the tested compounds at their IC90 concentration or to DMSO. Then, mitochondrial labelling was performed by incubating the cells with a MitoTracker Green FM probe (Thermo Fisher Scientific) and Hoechst 33342 (Thermo...
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Evaluation of the content of zinc compounds in polyethylene films using scanning electron microscopy
Open Research DataThe dataset contains the results of in the form of micrographs made using a scanning electron microscope (SEM) S–3400N (Hitachi, Hyogo, Japan) using backscattered electron (BSE) detector. SEM was equipped with tungsten filament. The accelerating voltage was 25 kV. Utilization of BSE detector allowed to increase the contrast of local areas varying in...
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Scanning electron microscopy (SEM) images of the boron-doped carbon nanowalls surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 5000ppm in the gas atmosphere during the synthesis.
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Scanning electron microscopy (SEM) images of the boron-dopied carbon nanowalls surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 1200ppm in the gas atmosphere during the synthesis.
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Scanning electron microscopy (SEM) images of the boron-doped carbon nanowalls surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 2000ppm in the gas atmosphere during the synthesis.
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SEM (Scanning Electron Microscopy) and SEM-EDS (Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy) images of nickel (Ni) foam as received, after photocatalysis and after oxidation at 500_C.
Open Research DataThis dataset contains SEM (Scanning Electron Microscopy) and SEM-EDS (Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy) images of Ni (nickel) foam as received from the supplier, after photocatalytic treatment and after oxidation at 500C. The detailed equipment and measurement data was described in "readme SEM.txt" file
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Atomic force microscopy images of copper electrical contacts wear under the influence of friction
Open Research DataMeasurement of wear of copper electrical contacts under the influence of friction. Imaging in contact mode in the variant of scanning spreading resistance microscopy. Additionally, there are spectroscopic current-voltage curves showing local changes in electrical conductivity. NTEGRA Prima (NT-MDT) device. Probe NSG 01Pt.
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The scanning spreading resistance microscopy (SSRM) of some CoCrMo alloys subjected to electrochemical litography
Open Research DataThe dataset contains the results of the experiment consisting of performing electrochemical lithography on the surface of the CoCrMo prosthetic alloy. First, by applying local anodic polarization, oxide structures were created on the surface of the material. Next, they were imaged in the SSRM (scanning spreading resistance microscopy) mode to visualize...
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Morphology and conductivity investigations of nickel-molybdenium alloy by means of Scanning Spreading Resistance Microscopy
Open Research DataElectrolytically deposited nickel-molybdenum alloys are interesting materials because of their high corrosion resistance and low over-potential for hydrogen evolution. Despite many studies devoted to the deposition of these alloys, the mechanism of co-deposition is not fully understood [1]. The aim of the research was to preserve the electrochemically...
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Identification of intermetallic phases in the structure of austenitic steel with use of Scanning Kelvin Probe Microscopy
Open Research DataDelta ferrite is formed in austenitic steels during the solidification of the alloy and its welds. It can also occur as a stable phase in any temperature range in high-alloy austenitic-ferritic steels. Depending on the amount, it can change into gamma and sigma phases and into ferrite with variable chromium content. The main role of delta ferrite in...
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Scanning electron microscopy studies of the weld decay on SS 304 of water supply pipeline
Open Research DataThis dataset contains micrographs made with scanning electron microscope (SEM) Hitachi S-3400N, of the weld decay for water supply system pipelines made of AISI 304 stainless steel. Within the dataset one can see the different corrosion mechanisms. The micrographs were made after the Strauss test (excluding pictures labeled as pits_in_HAZ, done without...
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Confocal microscopy analysis of DNA DSB in telomerase negative cells after exposure to TXT2 and TXT4
Open Research DataThe data sets contain confocal microscopic images showing the γ-H2AX with TRF2 after treatment of NHBE and U2OS cell lines with TXT2 and TXT4 in equitoxic concentrations. 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...
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Scanning Electron Microscopy (SEM ) images of PC-X (porous carbon materials obtained at various temperatures)
Open Research DataThese data contain SEM (scanning electron microscopy) images of PC-700 (porous carbon materials obtained at 700°C), PC-800 (porous carbon materials obtained at 800°C) and PC-900 (porous carbon materials obtained at 900°C).
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The scanning electron microscopy (SEM) studies of heavy boron-doped diamond oxidation under high-temperature
Open Research DataThe dataset contains the results of scanning electron microscopy (SEM) images of heavy boron-doped diamond (BDD) electrodes subjected to high-temperature oxidation in a furnace at 600 Celsius. The micrographs reveal the material decomposition of BDD grains due to high temperature.
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Scanning electron microscopy (SEM) images of boron-doped diamond thin films at poly(lactic acid)
Open Research DataThe dataset contains the photos obtained by scanning electron microscope(SEM), revealing the surface morphology and cross-section of boron-doped diamond electrodes on commercially available graphene-doped polylactide acid. The boron doping level expressed as the [B]/[C] ratio in the gas phase for these studies was 500 and 10,000 ppm. The top views of...
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AFM (atomic force microscopy) images of borophene flakes obtained during ball milling at different operating parameters
Open Research DataThis dataset contains atomic force microscopy (AFM) images of representative borophene flakes obtained during ball milling. The operational parameters of the ball-milling process included rotation speed (250, 450, and 650 rpm), time of ball-milling (1, 3, 6, and 12 h), and the mass loading of starting bulk boron (1, 2, 3 g).
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The scanning spreading resistance microscopy (SSRM) studies of heavy boron-doped diamond oxidation under high-temperature
Open Research DataThe dataset contains the results of scanning spreading resistance microscopy (SSRM) of heavy boron-doped diamond (BDD) electrodes subjected to high-temperature oxidation in a furnace at 600 Celsius. The micrographs reveal the local change of electric properties at certainly crystallographic orientations of BDD grains and at the grain boundaries due...
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Floating treatment wetlands combined with microbial fuel cells (FTW-MFC) batch experiment: plant microscopy observations
Open Research DataThis data collection includes plant root microscope findings. Species chosen for observation: Iris pseudacorus (IP) and Phragmites australis (PA). The anatomical measurements were taken with an optical microscope (Delta Optical Genetic Pro with 3MP camera; Delta Optical, Poland) that had lens magnifications of 4x and 10x and an ocular magnification...
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Determination of the refractive index and wavelength‐dependent optical properties of few‐layer CrCl3 within the Fresnel formalism
PublicationBased on previous reports on the optical microscopy contrast of mechanically exfoliated few layer CrCl3 transferred on 285 nmand 270 nmSiO2 on Si(100), we focus on the experimental determination of an effective mean complex refractive index via a fitting analysis based on the Fresnel equations formalism. Accordingly, the layer and wavelength-dependent absorbance and reflectance are calculated. Layer and wavelength-dependent optical...
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Implementation and Validation of Multisinusoidal, Fast Impedance Measurements in Atomic Force Microscope Contact Mode
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Improving AFM images with harmonic interference by spectral analysis
PublicationPrzedstawiono sposób usunięcia zakłóceń pojawiających się na obrazach uzyskiwanych z mikroskopu sił atomowych (AFM). Przybliżono kilka metod stosowanych do redukcji zakłóceń w obrazach. Następnie opisano zidentyfikowane zakłócenia harmoniczne oraz zaproponowany sposób ich znaczącej redukcji. W pracy zamieszczono szereg obrazów uzyskanych z mikroskopu AFM ilustrujących efekty powodowane zakłóceniami oraz skuteczność zaproponowanej...
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Polyallylamine as an Adhesion Promoter for SU-8 Photoresist
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Dynamic Nanoimpedance Characterization of the Atomic Force Microscope Tip-Surface Contact
PublicationNanoimpedance measurements, using the dynamic impedance spectroscopy technique, were carried out during loading and unloading force of a probe on three kinds of materials of different resistivity. These materials were: gold, boron-doped diamond, and AISI 304 stainless steel. Changes of impedance spectra versus applied force were registered and differences in the tip-to-sample contact character on each material were revealed. To...