Ústav fyzikálního inženýrství
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X-ray microtomography imaging of craniofacial hard tissues in selected reptile species with different types of dentition
(Oxford University Press, 2022-03-07)Background Reptiles exhibit a large heterogeneity in teeth morphology. The main variability comprises the different tooth shape, the type of tooth attachment to the underlying bone, or the ability to replace the teeth. ... -
Remarkably stable metal-organic frameworks on an inert substrate: M-TCNQ on graphene (M = Ni, Fe, Mn)
(Royal Society of Chemistry, 2022-07-07)Potential applications of 2D metal-organic frameworks (MOF) require the frameworks to be monophase and well-defined at the atomic scale, to be decoupled from the supporting substrate, and to remain stable at the application ... -
Photonic integrated circuits with bound states in the continuum: comment
(Optica Publishing Group, 2022-06-21)We point out that the electro-optic modulation of the bound state in the continuum in a low-index dielectric-loaded slab LiNbO3 waveguide reported by Yu et al., [Optica 6, 1342 (2019)] is treated incorrectly. According to ... -
Twisted Rainbow Light and Nature-Inspired Generation of Vector Vortex Beams
(Wiley-VCH GmbH, 2022-06-06)Twisted vector light beams (optical vortices) arise from a spiral modulation of the geometric (Pancharatnam-Berry) phase converting the light spin to the orbital angular momentum. The preferred geometric-phase elements ... -
Advanced Microscopical Non-Invasive Examination of the Supposed Migrastatics for Impact on In Vitro Cell Migration
(European Conference of Oncology Pharmacy, 2022-07-02)Live H1299 lung carcinoma cells in vitro were exposed to selected drugs with a presumed antimigration activity that implies antimetastatic potential and time-lapse examined with Coherence Controlled Holography Microscopy ... -
Deviations of the SLM produced Lattice Structures and Their Influence on Mechanical properties
(MDPI, 2022-04-26)Selective laser melting (SLM) is an additive manufacturing technology suitable for producing cellular lattice structures using fine metal powder and a laser beam. However, the shape and dimensional deviations occur on the ... -
The Development of Dentin Microstructure Is Controlled by the Type of Adjacent Epithelium
(Wiley, 2022-02-01)Considerable amount of research has been focused on dentin mineralization, odontoblast differentiation, and their application in dental tissue engineering. However, very little is known about the differential role of ... -
Sample Holders for Sub-THz Electron Spin Resonance Spectroscopy
(IEEE, 2022-04-29)Electron spin resonance (ESR) is a powerful spectroscopic technique used to investigate samples with unpaired electrons in a broad range of scientific fields. High-frequency ESR (HF-ESR) spectrometers operating at sub-THz ... -
Resolving complex cartilage structures in developmental biology via deep learning-based automatic segmentation of X-ray computed microtomography images
(NATURE PORTFOLIO, 2022-05-24)The complex shape of embryonic cartilage represents a true challenge for phenotyping and basic understanding of skeletal development. X-ray computed microtomography (mu CT) enables inspecting relevant tissues in all three ... -
Memristors with Initial Low-Resistive State for Efficient Neuromorphic Systems
(Wiley, 2022-03-21)Memristive electronic synapses are attractive to construct artificial neural networks (ANNs) for neuromorphic computing systems, owing to their excellent electronic performance, high integration density, and low cost. ... -
Simultaneous assessment of energy, charge state and angular distribution for medium energy ions interacting with ultra-thin self-supporting targets: A time-of-flight approach
(Elsevier, 2021-03-01)We demonstrate simultaneous measurements of the charge state, energy and angular distribution of keV ions in transmission experiments through self-supporting foils. Using a time-of-flight approach we have introduced an ... -
Use of Micro-CT Imaging to Assess Ventral Mandibular Cortical Thickness and Volume in an Experimental Rodent Model With Chronic High-Phosphorus Intake
(Frontiers, 2021-12-09)Adverse effects of high dietary phosphorus on bone health have been observed in both animal and human studies. The aim of the investigation was to examine chronic effects of high phosphorus diet on the apical mandibular ... -
Kinetics of Guided Growth of Horizontal GaN Nanowires on Flat and Faceted Sapphire Surfaces
(MDPI, 2021-03-01)The bottom-up assembly of nanowires facilitates the control of their dimensions, structure, orientation and physical properties. Surface-guided growth of planar nanowires has been shown to enable their assembly and alignment ... -
Phase of white light and its compatibility to the optical path
(Optical Society of America, 2021-03-12)The phase of monochromatic light directly relates to the optical path difference (OPD), but finding this connection for spectrally broadband light is challenging. Due to a missing concept of the compatibility between the ... -
Preparation of (001) preferentially oriented titanium thin films by ion-beam sputtering deposition on thermal silicon dioxide
(Springer US, 2016-04-01)We propose the ion-beam sputtering deposition providing Ti thin films of desired crystallographic orientation and smooth surface morphology not obtainable with conventional deposition techniques such as magnetron sputtering ... -
Full-Range Optical Imaging of Planar Collagen Fiber Orientation Using Polarized Light Microscopy
(Hindawi, 2021-11-28)A novel method for semiautomated assessment of directions of collagen fibers in soft tissues using histological image analysis is presented. It is based on multiple rotated images obtained via polarized light microscopy ... -
Subpicosecond metamagnetic phase transition in FeRh driven by non-equilibrium electron dynamics
(Nature Portfolio, 2021-08-24)In FeRh, it is possible to optically drive a phase transition between ferromagnetic (FM) and anti-ferromagnetic (AFM) ordering. Here, using a combination of photoelectron spectroscopy and ab-initio calculations, the authors ... -
Plasmonic Metasurface Resonators to Enhance Terahertz Magnetic Fields for High-Frequency Electron Paramagnetic Resonance
(Wiley-VCH, 2021-09-15)Nanoscale magnetic systems play a decisive role in areas ranging from biology to spintronics. Although, in principle, THz electron paramagnetic resonance (EPR) provides high-resolution access to their properties, lack of ... -
DUCT: Double Resin Casting followed by Micro-Computed Tomography for 3D Liver Analysis
(MYJoVE Corporation, 2021-09-28)The liver is the biggest internal organ in humans and mice, and high auto-fluorescence presents a significant challenge for assessing the three-dimensional (3D) architecture of the organ at the whole-organ level. Liver ... -
Triple-pulse LIBS: Laser-induced breakdown spectroscopy signal enhancement by combination of pre-ablation and re-heating laser pulses
(The Royal Society of Chemistry, 2020-02-01)The goal of this work is to examine the effect of a third additional laser pulse on orthogonal double-pulse laser-induced breakdown spectroscopy (DP LIBS). Namely, a pre-ablation laser pulse and re-heating laser pulse were ...
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