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Nanocelluloses: Synthesis, Modification and Applications

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ISBN: 9783039287840 / 9783039287857 Year: Pages: 142 DOI: 10.3390/books978-3-03928-785-7 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- Biotechnology
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Nanocelluloses: Synthesis, Modification and Applications is a book that provides some recent enhancements of various types of nanocellulose, mainly bacterial nanocellulose, cellulose nanocrystals and nanofibrils, and their nanocomposites. Bioactive bacterial nanocellulose finds applications in biomedical applications, https://doi.org/10.3390/nano9101352. Grafting and cross-linking bacterial nanocellulose modification emerges as a good choice for improving the potential of bacterial nanocellulose in such biomedical applications as topical wound dressings and tissue-engineering scaffolds, https://doi.org/10.3390/nano9121668. On the other hand, bacterial nanocellulose can be used as paper additive for fluorescent paper, https://doi.org/10.3390/nano9091322, and for the reinforcement of paper made from recycled fibers, https://doi.org/10.3390/nano9010058. Nanocellulose membranes are used for up-to-date carbon capture applications, https://doi.org/10.3390/nano9060877. Nanocellulose has been applied as a novel component of membranes designed to address a large spectrum of filtration problems, https://doi.org/10.3390/nano9060867. Poly(vinyl alcohol) (PVA) and cellulose nanocrystals (CNC) in random composite mats prepared using the electrospinning method are widely characterized in a large range of physical chemical aspects, https://doi.org/10.3390/nano9050805. Similarly, physical chemical aspects are emphasized for carboxylated cellulose nanofibrils produced by ammonium persulfate oxidation combined with ultrasonic and mechanical treatment, https://doi.org/10.3390/nano8090640. It is extraordinary how nanocellulose can find application in such different fields. Along the same lines, the contributions in this book come from numerous different countries, confirming the great interest of the scientific community for nanocellulose.

Manufacturing and Application of Stainless Steels

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ISBN: 9783039286508 / 9783039286515 Year: Pages: 260 DOI: 10.3390/books978-3-03928-651-5 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Mining and Metallurgy
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Stainless steels represent a quite interesting material family, both from a scientific and commercial point of view, following to their excellent combination in terms of strength and ductility together with corrosion resistance. Thanks to such properties, stainless steels have been indispensable for the technological progress during the last century and their annual consumption increased faster than other materials. They find application in all these fields requiring good corrosion resistance together with ability to be worked into complex geometries. Despite to their diffusion as a consolidated materials, many research fields are active regarding the possibility to increase stainless steels mechanical properties and corrosion resistance by grain refinement or by alloying by interstitial elements. At the same time innovations are coming from the manufacturing process of such a family of materials, also including the possibility to manufacture them starting from metals powder for 3D printing. The Special Issue scope embraces interdisciplinary work covering physical metallurgy and processes, reporting about experimental and theoretical progress concerning microstructural evolution during processing, microstructure-properties relations, applications including automotive, energy and structural.

Electrospun Nanofibers for Biomedical Applications

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ISBN: 9783039287741 / 9783039287758 Year: Pages: 308 DOI: 10.3390/books978-3-03928-775-8 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General)
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Electrospinning is a versatile and effective technique widely used to manufacture nanofibrous structures from a diversity of materials (synthetic, natural or inorganic). The electrospun nanofibrous meshes’ composition, morphology, porosity, and surface functionality support the development of advanced solutions for many biomedical applications. The Special Issue on “Electrospun Nanofibers for Biomedical Applications” assembles a set of original and highly-innovative contributions showcasing advanced devices and therapies based on or involving electrospun meshes. It comprises 13 original research papers covering topics that span from biomaterial scaffolds’ structure and functionalization, nanocomposites, antibacterial nanofibrous systems, wound dressings, monitoring devices, electrical stimulation, bone tissue engineering to first-in-human clinical trials. This publication also includes four review papers focused on drug delivery and tissue engineering applications.

Keywords

sol-gel --- electrospinning --- hydroxyapatite --- nanofiber --- antibacterial --- titanium --- antibacterial coatings --- electrospinning --- nanocomposite coatings --- TiO2 photocatalytic --- orthopedic infections --- electrospinning --- 3D printing --- nanofibers --- encapsulation --- protein diffusion --- in vivo tissue engineering --- immuno-isolation --- transplantation --- electrospinning --- sputtering --- drug delivery --- wound dressing --- biocompatibility --- tissue engineering --- biomimetic scaffolds --- gelatin --- electrospinning --- micromolding --- biomaterials --- poly(lactic acid) (PLLA) --- bioactive glass --- scaffolds --- electrospinning --- composite fibres --- bone regeneration --- poly(vinylidene fluoride) --- composite nanofiber --- piezoelectricity --- antioxidant activity --- well-aligned nanofibers --- P(VDF-TrFE) --- piezoelectric nanogenerator --- preosteoblasts electrospinning --- silicone modified polyurethane nanofibers --- physical properties --- cell attachment --- cell proliferation --- cytotoxicity --- biopolymers --- packaging --- pharmaceutical --- biomedical --- electrospinning --- alginate --- gelatin fibers --- ZnO particles --- antibacterial activity --- electrospinning --- nanofibers --- fabrication --- therapeutics --- biomedical applications --- antibody immobilization --- electrospun nanofibers --- TNF-? capture --- human articular chondrocytes --- rheumatoid arthritis --- nanofibers --- microfluidic chip --- electrospinning --- live assay --- hepatocellular carcinoma cells --- PLA95 --- biocompatibility --- guided tissue regeneration (GTR) --- electrospinning --- electrospun fiber mats --- mechanobiology --- glioblastoma --- biomaterials --- finite element modeling --- electrospun nanofibers --- cancer treatment --- drug release --- nanomedicine --- biocompatible polymers --- hyperthermia

Analysis for Power Quality Monitoring

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ISBN: 9783039281107 / 9783039281114 Year: Pages: 210 DOI: 10.3390/books978-3-03928-111-4 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
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We are immersed in the so-called digital energy network, continuously introducing new technological advances for a better way of life. Numerous emerging words are in the spotlight, namely: Internet of Things (IoT), Big Data, Smart Cities, Smart Grid, Industry 4.0, etc. To achieve this formidable goal, systems should work more efficiently, and this fact inevitably leads to power quality (PQ) assurance. Apart from its economic losses, a bad PQ implies serious risks for machines, and consequently for people. Many researchers are endeavoring to develop new analysis techniques, instruments, measurement methods, and new indices and norms that match and fulfil the requirements regarding the current operation of the electrical network. This book offers a compilation of the some recent advances in this field. The chapters range from computing issues to technological implementations, going through event detection strategies and new indices and measurement methods that contribute significantly to the advancement of PQ analysis. Experiments have been developed within the frames of research units and projects, and deal with real data from industry and public buildings. Human beings have an unavoidable commitment with sustainability, which implies adapting PQ monitoring techniques to our dynamic world, defining a digital and smart concept of quality for electricity.

Keywords

power system measurements --- dynamic phasor estimation --- Kalman filters --- phasor measurement --- power quality --- signal waveform compression --- higher-order statistics (HOS) --- power quality (PQ) --- computational solutions for advanced metering infrastructure (AMI) --- smart grid (SG) applications --- harmonics --- constant amplitude trend --- fourth-order statistics --- detection --- spectral kurtosis --- low-voltage DC networks --- power quality disturbances --- power quality monitoring --- DC power quality indices --- voltage ripple --- reconfigurable computing --- FPGA --- power quality --- spectral kurtosis --- digital signal processing --- embedded system --- power quality disturbance --- convolution neural network --- improved principal component analysis --- wind-grid distribution --- power quality (PQ) --- embedded microcontroller --- low cost monitor --- sensor node --- wireless sensor network --- IoT --- RMS voltage estimation --- low computational cost --- limited resources hardware --- power event detection --- energizing warning --- power quality --- voltage sags --- islanding operation --- induction machines --- modelling --- distribution networks --- power quality --- phasor measurement units --- voltage fluctuations --- flicker --- modulation --- power distribution systems --- smart grids --- dense-mesh topology --- municipal distribution network --- smart grid --- power quality monitor --- long-term --- operation analysis --- power quality (PQ) --- PQ indices and thresholds --- reliability --- sensors and instruments for PQ --- big data --- machine learning --- soft computing --- statistical signal processing --- data scalability --- data compression

Biomaterials for Bone Tissue Engineering

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ISBN: 9783039289653 / 9783039289660 Year: Pages: 244 DOI: 10.3390/books978-3-03928-966-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
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Bone tissue engineering aims to develop artificial bone substitutes that partially or totally restore the natural regeneration capability of bone tissue lost under circumstances of injury, significant defects, or diseases such as osteoporosis. In this context, biomaterials are the keystone of the methodology. Biomaterials for bone tissue engineering have evolved from biocompatible materials that mimic the physical and chemical environment of bone tissue to a new generation of materials that actively interacts with the physiological environment, accelerating bone tissue growth. Mathematical modelling and simulation are important tools in the overall methodology. This book presents an overview of the current investigations and recent contributions in the field of bone tissue engineering. It includes several successful examples of multidisciplinary collaboration in this transversal area of research. The book is intended for students, researchers, and professionals of a number of disciplines, such as engineering, mathematics, physics, chemistry, biomedicine, biology, and veterinary. The book is composed of an editorial section and 16 original research papers authored by leading researchers of this discipline from different laboratories across the world

Keywords

Pelvis --- Bone tumor --- 3D-printed implant --- Fixation design --- von Mises stress --- dental implants --- osseointegration --- resonance frequency analysis --- biomaterials --- titanium --- powder metallurgy --- loose sintering --- finite element method --- mechanical behaviour --- bone tissue regeneration --- computed tomography --- Xenografts --- stem cell --- cartilage --- finite element --- finite-element simulation --- electric stimulation --- bone regeneration --- computational modelling --- electrically active implants --- bioelectromagnetism --- critical size defect --- maxillofacial --- minipig --- oxygen delivery --- optimization --- mass transfer --- transport --- bone tissue engineering --- computational fluid dynamics --- Lattice Boltzmann method --- scaffold design --- culturing protocol --- Lagrangian scalar tracking --- cortical bone --- damage --- finite elements --- numerical results --- adipogenesis --- bone marrow --- MSCs --- prediction marker --- bone tissue --- elastoplasticity --- finite element method --- fracture risk --- osteoporosis --- trabeculae --- trabecular bone score --- vertebra --- biomechanics --- finite element modelling --- pelvis --- bone adaptation --- musculoskeletal modelling --- bone tissue engineering --- biomaterials --- computational mechanobiology --- numerical methods in bioengineering --- Ti6Al4V scaffolds --- triply periodic minimal surfaces --- selective laser melting --- additive manufacturing --- biomaterial applications --- finite element analysis --- spark plasma sintering --- wollastonite --- human dental pulp stem cells --- substrate-mediated electrical stimulation --- direct current electric field --- osteo-differentiation --- bone morphogenesis proteins --- cortical bone --- digital image correlation --- multiscale analysis --- micromechanics --- computational mechanics --- cone beam computed tomography --- automatic segmentation --- sliding window --- 3D virtual surgical plan --- Otsu’s method --- n/a

Biomedical Applications of Nanoparticles

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ISBN: 9783039285426 / 9783039285433 Year: Pages: 366 DOI: 10.3390/books978-3-03928-543-3 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General)
Added to DOAB on : 2020-06-09 16:38:57
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This book provides an overview of the design and physico-chemical properties of nanoparticles developed for biomedical applications such as targeting and detection of pathologies, nanovectorization of drugs, radiosensitization, metal detection, and nanocomposite implants. The considerations necessary when developing a new nanomedicine are also developed, including toxicological investigation, biodistribution, and efficacy. This book provides an accurate and current representation of the field by addressing the promises and hurdles of nanomedicine via 20 different pertinent studies. Covering a wide range of areas, this book is an excellent partner for physico-chemists, doctors, pharmacologists, and biochemists working on nanosciences dedicated to medicine, both in industry and in academia.

Keywords

curcumin --- mitoxantrone --- synergism --- PEG --- chitosan nanoparticles --- hybrid Fe-Si nanoparticles --- laser pyrolysis --- Caco2 cells --- cytotoxicity --- oxidative stress --- upconversion nanoparticles --- nanocarriers --- drug delivery --- gene delivery --- photolysis --- cancer imaging --- cytoreduction surgery --- fluorescent nanoparticle --- near-infrared --- short-wave infrared --- Candida glabrata --- extracellular --- mycosynthesis --- MIC --- MBC --- MFC --- membrane integrity --- TEM --- FTIR --- surface-enhanced Raman spectroscopy (SERS) --- Ag-film --- Hg2+ ions detection --- SERS sensor --- nanocomposites --- medical devices --- middle ear prosthesis --- silver nanoparticles --- biocompatibility --- thermoplastic polymer --- dihydroartemisinin --- liposomes --- autophagy --- apoptosis --- breast cancer --- surface-enhanced Raman scattering (SERS) --- metal-enhanced fluorescence (MEF) --- dual functional imaging nanoprobe --- UiO-66 --- nanoparticles --- glioblastoma --- biocompatibility --- drug delivery --- alginate --- chitosan --- layer-by-layer --- magnetic nanoparticles --- drug delivery --- cancer --- curcumin --- lignin --- nanoparticle --- protein --- nanocellulose --- fibril --- enzyme --- heat --- self-assembly --- cross-link --- antibiotics --- nanoparticles --- biogenic nanoparticles --- antimicrobial --- antibiotic resistance --- multidrug resistant (MDR) microorganisms --- plasma --- nanomaterials --- nanomaterial synthesis --- plasma liquid Interactions --- non-thermal plasma --- biomedical applications --- core-shell nanoparticles --- biocompatible --- drug delivery --- anticancer --- SERS --- histamine --- nanostars --- nanophotonics --- computational electromagnetism --- surface enhanced Raman scattering --- SERS --- finite element method --- density functional theory calculations --- cell labeling --- cancer --- iron oxide superparamagnetic nanoparticles --- trans-resveratrol derivative --- drug delivery --- glioma --- gold nanoparticles --- radiosensitization --- thioredoxin reductase --- radiation --- prognosis --- biochemical mechanism --- nanodiamond --- targeted nanoparticles --- in vivo application --- cancer cell targeting --- antimiR --- nano-bio interaction

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MDPI - Multidisciplinary Digital Publishing Institute (6)


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CC by-nc-nd (6)


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eng (6)


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2020 (6)