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Open-Source Electronics Platforms
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ISBN: 3038979732 3038979724 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Open-source electronics are becoming very popular, and are integrated with our daily educational and developmental activities. At present, the use open-source electronics for teaching science, technology, engineering, and mathematics (STEM) has become a global trend. Off-the-shelf embedded electronics such as Arduino- and Raspberry-compatible modules have been widely used for various applications, from do-it-yourself (DIY) to industrial projects. In addition to the growth of open-source software platforms, open-source electronics play an important role in narrowing the gap between prototyping and product development. Indeed, the technological and social impacts of open-source electronics in teaching, research, and innovation have been widely recognized.


Book
Oligodendrocyte Physiology and Pathology Function
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Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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The adult vertebrate central nervous system mainly consists of neurons, astrocytes, microglia cells, and oligodendrocytes. Oligodendrocytes, the myelin-forming cells of the CNS, are subjected to cell stress and subsequent death in a number of metabolic or inflammatory disorders, among which multiple sclerosis (MS) is included. This disease is associated with the development of large demyelinated plaques, oligodendrocyte destruction, and axonal degeneration, paralleled by the activation of astrocytes and microglia as well as the recruitment of peripheral immune cells to the site of tissue injury. Of note, viable oligodendrocytes and an intact myelin sheath are indispensable for neuronal health. For example, it has been shown that oligodendrocytes provide nutritional support to neurons, fast axonal transport depends on proper oligodendrocyte function, and mice deficient in mature myelin proteins eventually display severe neurodegeneration. This Special Issue contains a collection of highly relevant primary research articles as well as review articles focusing on the development, physiology, and pathology of the oligodendrocyte–axon–myelin unit.


Book
Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests
Authors: --- --- --- --- --- et al.
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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This book, “Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests”, covers a broad range of relevant and interesting topics related to deep geological disposal of nuclear fuels and radioactive waste. Most countries that generate nuclear power have developed radioactive waste management programmes during the last 50 years to emplace long-lived and/or high-level radioactive wastes in a deep underground repository in a suitably chosen host rock formation. The aim is to remove these wastes from the human environment. If a site is properly chosen, a repository system comprising both natural and engineered barriers would provide a high level of protection from the toxic effects of the waste.The 17 papers published in this Special Issue show that bentonites and clayrocks are an essential component of the multi-barrier system ensuring the long-term safety of the final disposal of nuclear waste. The efficiency of such engineered and natural clay barriers relies on their physical and chemical confinement properties, which should be preserved in the long-term.

Keywords

calcium bentonite --- gel --- swelling --- water uptake --- ESEM --- EDXA --- surface area --- XRD --- radioactive waste disposal --- cement–clay interaction --- bentonite --- cementitious materials --- alteration --- alkaline conditions --- radioactive waste --- cement-clay interaction --- OPC --- LAC --- alkaline leachate --- cement—clay interaction --- diffusion --- dual porosity --- electrostatic effects --- reactive transport modelling --- near field --- radioactive waste repository --- low-pH cement --- technical barrier --- Äspö --- ABM-test --- smectite alteration --- swelling pressure --- permeability --- hydraulic gradient --- engineered barriers --- geological repository --- selenium reduction --- sorption --- Opalinus Clay --- in situ --- batch tests --- smectite --- crystal structure --- water in the smectite interlayer --- mineralogical changes --- thermal treatment --- BET --- swell index --- liquid limit --- water retention curves --- iron --- in situ experiment --- interface --- layer charge --- metal substitution --- SEM–EDS --- microbial diversity --- organic supplements --- magnesium bentonite --- thermal loading --- montmorillonite content --- thermal analysis with evolved gas analysis --- cation exchange capacity --- specific surface area --- saturated hydraulic conductivity --- microbial survivability --- HLRW --- ABM test --- SEM-EDX --- repository --- high temperatures --- ordinary Portland cement --- mudstone --- sequential flow experiment --- reactive-transport modelling --- anion distribution --- CEC --- exchangeable cations --- hydration --- MiniSandwich --- sandwich sealing system --- solute transport --- waste repositories --- water content --- Milos --- interlayers --- iron–bentonite interaction --- reactive transport --- numerical model --- bentonites --- smectites --- pore water chemistry --- mineralogy --- cation exchange --- ABM experiment --- large-scale tests --- n/a --- Äspö --- SEM-EDS --- iron-bentonite interaction

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