Search Results - "Zak, Andrzej M."

Light-Induced In Situ Transmission Electron MicroscopyDevelopment, Challenges, and Perspectives by Żak, Andrzej M.

“…Transmission electron microscopy is a basic technique used for examining matter at the highest magnification scale available. One of its most challenging…”
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Enhancing technological prospect of nanostructured bainitic steels by the control of thermal stability of austenite by Królicka, Aleksandra, Żak, Andrzej M., Caballero, Francisca G.

“…[Display omitted] •Enhancing thermal stability allow for the industrialization of bainitic steels.•Thermal stability may be controlled by chemical composition…”
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Spectrally Resolved Kinetics of Energy Transfer Within a Single Emission Band of Highly Luminescent Thick‐Shell CdSe/CdS Colloidal Quantum Dots by Zatryb, Grzegorz, Adamski, Adrian, Chrzanowski, Maciej, Banski, Mateusz, Zak, Andrzej M., Podhorodecki, Artur

“…The resonant energy transfer (ET) between quantum dots (QDs) can influence the performance of some devices, such as QD light‐emitting diodes (QLEDs). Since the…”
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The influence of solvent refractive index on the photoluminescence decay of thick‐shell gradient‐alloyed colloidal quantum dots investigated in a wide range of delay times by Zatryb, Grzegorz, Adamski, Adrian, Chrzanowski, Maciej, Żak, Andrzej M., Podhorodecki, Artur

“…Colloidal semiconductor quantum dots have many potential optical applications, including quantum dot light‐emitting diodes, single‐photon sources, or…”
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Comment on “Unveiling the Antibacterial Mechanism of Gold Nanoclusters via In Situ Transmission Electron Microscopy” by Żak, Andrzej M., Kaczmarczyk, Olga

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Light-induced in situ transmission electron microscopy: Novel approach for antimicrobial photodynamic therapy imaging by Żak, Andrzej M., Kaczmarczyk, Olga, Piksa, Marta, Matczyszyn, Katarzyna

“…The novel approach for imaging of antimicrobial photodynamic therapy processes presented in this work is based on transmission electron microscopy methods…”
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In Situ and Ex Situ TEM Analysis of the Copper Precipitation in Martensitic Steel by Bambach, Margarita D., Szczepański, Łukasz, Żak, Andrzej M.

“…The conventional and in situ transmission electron microscopy imaging of quenched 1.5 pct Cu steel has shown that Cu phases are present even before aging and…”
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Revealing intermetallic strengthening in bainitic steel designed for nickel aluminide formation by Królicka, Aleksandra, Żak, Andrzej M., Caballero, Francisca G.

“…BainNiAlCu steel was designed to achieve a cementite-free bainitic structure and susceptibility to the formation of intermetallic phases at elevated…”
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Segmentation of pores in cementitious materials based on backscattered electron measurements: A new proposal of regression-based approach for threshold estimation by Żak, Andrzej M., Wieczorek, Anna, Chowaniec, Agnieszka, Sadowski, Łukasz

“…•The precision of the “overflow” porosity analysis method has been increased.•The overflow, triangles, overflow, and two proprietary regression methods were…”
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Segmentation of pores within concrete-epoxy interface using synchronous chemical composition mapping and backscattered electron imaging by Żak, Andrzej M., Wieczorek, Anna, Chowaniec, Agnieszka, Sadowski, Łukasz

“…•There is a possibility of the detection of porosity in the multi-phase interface.•Method requires simultaneous analysis of the EDS chemical maps and the SEM…”
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Microstructural and In Situ Lorentz TEM Domain Characterization of As-Quenched and γ’-Precipitated Co49Ni30Ga21 Monocrystal by Zak, Andrzej M., Dudzinski, Wlodzimierz

“…The article concerns the rarely described magnetic domain structure of Heusler alloys in the case of a single crystal [100]-oriented Co-Ni-Ga alloy. The…”
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Variability of Amyloid Propensity in Imperfect Repeats of CsgA Protein of Salmonella enterica and Escherichia coli by Szulc, Natalia, Gąsior-Głogowska, Marlena, Wojciechowski, Jakub W., Szefczyk, Monika, Żak, Andrzej M., Burdukiewicz, Michał, Kotulska, Malgorzata

“…CsgA is an aggregating protein from bacterial biofilms, representing a class of functional amyloids. Its amyloid propensity is defined by five fragments…”
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Structural effects of charge destabilization and amino acid substitutions in amyloid fragments of CsgA by Szulc, Natalia, Gąsior-Głogowska, Marlena, Żyłka, Paweł, Szefczyk, Monika, Wojciechowski, Jakub W., Żak, Andrzej M., Dyrka, Witold, Kaczorowska, Aleksandra, Burdukiewicz, Michał, Tarek, Mounir, Kotulska, Malgorzata

“…[Display omitted] •Amino acid substitutions change the aggregation propensity and morphology of peptides designed based on R4 fragments of CsgA.•Swapping the…”
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Detailed Insight into Photocatalytic Inactivation of Pathogenic Bacteria in the Presence of Visible-Light-Active Multicomponent Photocatalysts by Kozak, Magda, Mazierski, Paweł, Żebrowska, Joanna, Klimczuk, Tomasz, Lisowski, Wojciech, Żak, Andrzej M, Skowron, Piotr M, Zaleska-Medynska, Adriana

“…The use of heterogeneous photocatalysis in biologically contaminated water purification processes still requires the development of materials active in visible…”
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Fiber-optic sample illuminator design for the observation of light induced phenomena with transmission electron microscopy in situ: Antimicrobial photodynamic therapy by Żak, Andrzej M., Kaczmarczyk, Olga, Piksa, Marta, Grzęda, Jakub, Matczyszyn, Katarzyna

“…•a TEM configuration for antimicrobial phototherapy imaging was proposed.•the configuration includes a fiber optic illuminator above the objective…”
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Segmentation of pores in cementitious materials based on backscattered electron measurements: a new proposal of regression-based approach for threshold estimation by Żak, Andrzej M, Wieczorek, Anna, Chowaniec, Agnieszka, Sadowski, Lukasz

“…Construction and Building Materials 368 (2023) 130419 In the following work, we described the problems of porosity analysis of cement materials using…”
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Segmentation of pores within concrete-epoxy interface using synchronous chemical composition mapping and backscattered electron imaging by Żak, Andrzej M, Wieczorek, Anna, Chowaniec, Agnieszka, Sadowski, Lukasz

“…Measurement 206 (2023) 112334 The method of assessing porosity using images from scanning electron microscopy is ineffective in situations where the substrate…”
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