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Morphology and Internal Mixing of Atmospheric Particles

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ISBN: 9783038971337 9783038971344 Year: Pages: 214 DOI: 10.3390/books978-3-03897-134-4 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Environmental Sciences
Added to DOAB on : 2018-09-13 09:39:26
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The properties of atmospheric particles - often also termed aerosol - have been the subject of scientific studies for several decades because of their effects on air quality, health, visibility, propagation of electromagnetic radiation in the atmosphere, and climate. However, despite intense research efforts, several knowledge gaps remain to be filled; the reason being related also to the complexity of the physical and chemical characteristics of these particles and of their dynamic interactions with the surrounding environment. One of the frontier topics in this scientific endeavor is the subject of this special issue: the morphology and mixing of atmospheric aerosol at the single particle level.

Polymer Blends and Compatibilization

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ISBN: 9783038423652 9783038423645 Year: Pages: Pages: VII, 143 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Organic Chemistry --- Chemistry (General)
Added to DOAB on : 2017-03-15 13:01:10
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The market is continuously looking for substitutes for expensive polymers or tailor made polymers for specific applications. Therefore, polymer blends are gaining more interest since they possess a great potential to fulfill these needs. Blending not only results in better final properties, but can also improve the processing behavior and reduce costs. In the field of polymer blends, there are numerous parameters that influence the morphology, e.g., viscosity ratio, blend composition, shear conditions, and blend ratio. There is still a great deal of potential to scientifically exploit the possibilities of blend technology, which is necessary to obtain a foundation based on science, engineering, technology, and applications in order to make it possible to tailor polymer blends as desired.However, combining two or more different polymers to receive favorable properties by blending often results in immiscible polymer blends. This immiscibility goes hand-in-hand with phase separation leading to weak mechanical properties. The high interfacial tension causing this can be reduced by compatibilization of polymer blends. There are different methods to achieve this, such as adding block and graft copolymers, reactive polymers to form block and graft copolymers, nanoparticles or organic molecules. Using suitable compatibilizers, not only is the interfacial adhesion between matrix and its blends reduced, but also the dispersion of the dispersed phase is improved, the adhesion between the phases is enhanced and the morphology is stabilized. This can lead to improved mechanical and morphological properties.Designing new polymer blends or improving the properties of immiscible polymer blends by compatibilization is very challenging, but an excellent way to exploit the full potential of polymers for applications and their varied needs.This Special Issue is a source of information on all recent aspects of polymer blend technology.

Water-Worked Bedload: Hydrodynamic and Mass Transport

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ISBN: 9783039213016 9783039213023 Year: Pages: 152 DOI: 10.3390/books978-3-03921-302-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General)
Added to DOAB on : 2019-12-09 11:49:15
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The state-of-the-art in water-worked bed hydraulics can only be examined through a careful exploration of the experimental (both laboratory and field) results via theoretical development. This book is primarily focused on the research aspects that involve a comprehensive knowledge of sediment dynamics in turbulent flows, as the most up-to-date research findings in the field are presented. It begins with two reviews on bedload transport and water-work bed experimental studies. The sediment dynamics is then analyzed from a classical perspective by applying the mean bed shear approach and additionally incorporating a statistical description for the role of turbulence. The work finally examines the local scour problems at hydraulic structures and results from field studies. It is intended as a course guide for field professionals, keeping up with modern technological developments. Therefore, as a simple prerequisite, readers should have a basic knowledge of hydraulics to an undergraduate level.

Superhydrophobic Coatings for Corrosion and Tribology

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ISBN: 9783039217847 9783039217854 Year: Pages: 166 DOI: 10.3390/books978-3-03921-785-4 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-01-07 09:08:26
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Superhydrophobic surfaces, with a water contact angle >150°, have attracted both academic and industrial interest due to their wide range of applications, such as water proofing, anti-fogging, antifouling, anti-icing, fluidic drag reduction and anti-corrosion. Currently the majority of superhydrophobic coatings are created using organic chemicals with low surface energy. However, the lack of mechanical strength and heat resistance prevents the use of these coatings in harsh environments. Quality superhydrophobic coatings developed using inorganic materials are therefore highly sought after. Ceramics are of particular interest due to their high mechanical strength, heat and corrosion resistance. Such superhydrophobic coatings have recently been successfully fabricated using a variety of ceramics and different approaches, and have shown the improved wear and tribocorrosion resistance properties. This Special Issue focuses on the recent developments in the fabrication of superhydrophobic coatings and their robustness against corrosion and wear resistance, but the original work on other properties of superhydrophobic coatings are also welcome. In particular, the topics of interest include, but are not limited to: Robust superhydrophobic coatings; Coatings with super-wettability in multifunctional applications; Wetting effects on corrosion and tribology; Hierarchical Coating for wetting and modelling.

Processing-Structure-Properties Relationships in Polymers

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ISBN: 9783039218806 9783039218813 Year: Pages: 400 DOI: 10.3390/books978-3-03921-881-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-01-07 09:08:26
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This collection of research and review papers is aimed at depicting the state of the art on the possible correlations between processing variables, obtained structure and special properties which this structure induces on the plastic part. The extraordinary capacity of plastics to modify their properties according to a particular structure is evidenced for several transformation processes and for many applications. The final common goal is to take profit of this peculiar capacity of plastics by inducing, through a suitable processing, a specific spatial organization.

Keywords

carbon nanotube --- homogeneous dispersion --- ethylene vinyl acetate --- mechanical performance --- electrical conductivity --- microencapsulation --- melamine polyphosphate --- polyurethane --- composite --- flame retardant --- biodegradable nanofibers --- PLGA --- collagen --- epinephrine --- lidocaine --- polyimide film --- linear coefficient of thermal expansion (CTE) --- copper clad laminate --- structure and properties --- polymorphism --- isotactic polypropylene --- deformation --- phase transitions --- uniaxial compression --- uniaxial tensile deformation --- temperature --- in situ X-ray --- cavitation --- indentation --- Harmonix AFM --- polymer morphology --- mechanical properties --- ultra-high molecular weight polyethylene (UHMWPE) --- microcellular injection molding --- supercritical fluid --- supercritical N2 --- supercritical CO2 --- tissue engineering and regenerative medicine --- bioresorbable polymers --- 3D printing/additive manufacturing --- fused filament fabrication/fused deposition modelling --- degradation --- physicochemical characterization --- polycaprolactone --- layered double hydroxides --- ionic liquids --- PLA --- reactive blending --- biobased films --- graphene --- nanoreinforcement --- curing rate --- epoxy microstructure --- fatigue --- composites --- critical gel --- poly(lactic acid) --- carbon black --- graphite --- polymer blend --- poly(ethylene terephthalate) --- intrinsic viscosity --- polyolefin --- compatibilizer --- isotactic polypropylene --- stress-induced phase transitions --- structural analysis --- X-ray diffraction --- polyoxymethylene (POM) --- octakis[(3-glycidoxypropyl)dimethylsiloxy]octasilsesquioxane (GPOSS) --- composites --- morphology --- mechanical properties --- conductive filler --- orientation --- conductive polymer composites --- foam --- model --- PLLA --- bioresorbable vascular scaffolds --- stretch blow molding --- biaxial elongation --- SAXS --- WAXS --- microfibrillar composites --- crystalline morphology --- crystallinity --- mechanical properties --- crystallisation --- morphology --- nanoparticles --- shear --- flow --- orientation --- poly(?-caprolactone) --- polyvinyl butyral --- hydrophobicity --- contact angle --- polypropylene --- atomic force microscopy --- injection molding --- mold temperature evolution --- polycaprolactone --- ultra-high molecular weight polyethylene --- incremental forming --- SPIF --- XRD --- chain orientation --- temperature sensitive --- gel --- controllable gas permeability --- breathable film --- polymer composite --- processing --- polyamide 6 --- compression molding --- polymorphism --- polyamide 6 --- injection molding --- polymorphism --- humidity --- mechanical properties

Selected Papers from the 1st International Online Conference on Nanomaterials

Authors: ---
ISBN: 9783039285341 9783039285358 Year: Pages: 92 DOI: 10.3390/books978-3-03928-535-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2020-04-07 23:07:09
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This book compiles selected papers from the Proceedings of the 1st International Online Conference on Nanomaterials, held 1–15 September, 2018 on sciforum.net, an online platform for hosting scholarly e-conferences and discussion groups. It targets a broad readership of physicists, chemists, materials scientists, biologists, environmentalists, and nanotechnologists, and provides interesting examples of the most recent advances in the synthesis, characterization, and applications of nanomaterials.

Systematics and Phylogeny of Weevils

Authors: --- ---
ISBN: 9783038976561 9783038976578 Year: Pages: 474 DOI: 10.3390/books978-3-03897-657-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology
Added to DOAB on : 2019-04-25 16:37:17
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This Special Issue on the Systematics and Phylogeny of Weevils presents 31 new research papers on one of the most diverse and successful groups of animals on Earth, the beetle superfamily Curculionoidea. It was in part inspired to commemorate the extraordinary life and scientific achievements of Guillermo (&ldquo;Willy&rdquo;) Kuschel (1918&ndash;2017), who shaped this field of science over the last century like no other weevil systematist. The papers in this memorial issue span weevil faunas from all over the globe, including South and Central America, Africa, Europe and the Near East, South-East Asia, New Guinea, Australia and New Zealand. They include major advances on the phylogeny and classification of the &ldquo;broad-nosed&rdquo; weevils (Entiminae), on the weevils associated with American cycads and on the unique extinct weevil fauna preserved in the 100-million-year-old Burmese amber, when weevils started to diversify alongside the oldest angiosperm plants. They comprise a tribute to Willy Kuschel, the proceedings of a weevil symposium held in his honor in 2016 in Orlando, Florida, 24 systematic studies (including seven phylogenetic analyses) and five other contributions on the diversity, biology, distribution, evolution and fossil history of weevils. In the papers collated in this volume, 30 new genera and 92 new species of weevils are described and a new family of extinct weevils is recognized.

Keywords

constraint analysis --- AU test --- SH test --- KH test --- mitochondrial genomes --- Curculionoidea --- Curculionidae --- Cossoninae --- Rhyncolini --- Rhyncolina --- taxonomy --- new species --- mature larva --- morphology --- host plant --- Cape Verde --- biogeography --- microclimate --- species competition --- taxonomy --- South Africa --- Namibia --- weevils --- new taxa --- spermatheca --- Mimaulus --- Spartecerus --- spatio-temporal diffusion --- specialist weevils --- parasitic plants --- co-dispersal through space and time --- stable populations --- Coleoptera --- Curculionidae --- Curculioninae --- Acentrusini --- phylogeny --- Coleoptera --- Curculionidae --- Brachycerinae --- Tanysphyrini --- Afroryzophilus --- new species --- Afrotropical region --- Belidae --- Oxycoryninae --- Erotylidae --- Pharaxonothinae --- cycad pollination --- Alien --- invasive --- exotic --- biodiversity --- Patagonia --- Pinus radiata --- Eucalyptus --- taxonomy --- weevil --- new species --- Araucariaceae --- Hoop Pine --- Klinki Pine --- Australia --- Papuan region --- Neotropical region --- broad-nosed weevils --- Naupactini --- Pantomorus-Naupactus complex --- phylogeny --- COI --- combined evidence --- 1K Weevils Project --- biogeography --- classification --- Curculionidae --- Curculionoidea --- fossils --- Guillermo Kuschel --- morphology --- molecular phylogenetics --- DNA barcoding --- phylogeny --- phytophagy --- weevils --- Dichotrachelini --- systematics --- morphology --- evolution --- mt-Cox1 --- Cryptoplini --- taxonomy --- weevils --- tectal aedeagus --- Kuschelorhynchus --- Macadamia --- Syzygium --- Australia --- New Guinea --- Curculionidae --- biological control --- target host --- non-target host --- taxonomy --- phylogeny --- Sclerocardius --- Sclerocardiini --- taxonomy --- systematics --- elytro-tergal stridulation --- taxonomy --- identification --- diagnostics --- pollination --- flightlessness --- Curculionoidea --- weevil --- hygrophilous --- aquatic --- semi-aquatic --- riparian --- key --- Israel --- Curculionidae --- Anchonini --- Molytinae --- Aethiopacorep africanus --- neotype --- Titilayo --- Titilayo barclayi --- Titilayo garnerae --- Titilayo geiseri --- Titilayo takanoi --- Titilayo perrinae --- Titilayo saotomense --- Titilayo turneri --- taxonomy --- distribution --- taxonomy --- weevil --- new species --- Australia --- Papuan region --- Araceae --- biodiversity --- ecology --- faunal inventories --- mimicry --- phenology --- Brachycerinae --- Tanysphyrini --- Afroryzophilus --- new species --- Afrotropical region --- Cossoninae --- Rhyncolini --- Rhyncolina --- taxonomy --- new species --- Aciphylla --- Chatham Islands --- integrative taxonomy --- Poor Knights Islands --- weevils --- Urodontinae --- Urodontidius --- genitalia --- larva --- life history --- galling habit --- silk production --- taxonomy --- South Africa --- Namibia --- weevils --- new taxa --- Broad-nosed weevils --- Entiminae --- tribal relationships --- combined evidence --- ribosomal markers --- structural alignment --- mitochondrial COI --- adults --- larvae --- biography --- obituary --- weevils --- systematics --- publications --- Borneo --- tropical forest canopies --- fogging --- diversity --- forest disturbance --- weevil fauna --- longhorned beetle (Cerambycidae) --- new species --- Curculionoidea --- Mesophyletidae --- Cretaceous --- taxonomy --- morphology --- CT scanning --- amber preparation --- angiosperm associations --- weevil larvae --- palm weevils --- invasive species --- comparative morphology --- homonym --- taxonomy --- Curculionoidea --- Mesophyletidae --- Cretaceous

Systematics and Phylogeny of Weevils

Authors: --- ---
ISBN: 9783038976684 9783038976691 Year: Pages: 458 DOI: 10.3390/books978-3-03897-669-1 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology
Added to DOAB on : 2019-04-25 16:37:17
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Abstract

This Special Issue on the Systematics and Phylogeny of Weevils presents 31 new research papers on one of the most diverse and successful groups of animals on Earth, the beetle superfamily Curculionoidea. It was in part inspired to commemorate the extraordinary life and scientific achievements of Guillermo (&ldquo;Willy&rdquo;) Kuschel (1918&ndash;2017), who shaped this field of science over the last century like no other weevil systematist. The papers in this memorial issue span weevil faunas from all over the globe, including South and Central America, Africa, Europe and the Near East, South-East Asia, New Guinea, Australia and New Zealand. They include major advances on the phylogeny and classification of the &ldquo;broad-nosed&rdquo; weevils (Entiminae), on the weevils associated with American cycads and on the unique extinct weevil fauna preserved in the 100-million-year-old Burmese amber, when weevils started to diversify alongside the oldest angiosperm plants. They comprise a tribute to Willy Kuschel, the proceedings of a weevil symposium held in his honor in 2016 in Orlando, Florida, 24 systematic studies (including seven phylogenetic analyses) and five other contributions on the diversity, biology, distribution, evolution and fossil history of weevils. In the papers collated in this volume, 30 new genera and 92 new species of weevils are described and a new family of extinct weevils is recognized.

Keywords

constraint analysis --- AU test --- SH test --- KH test --- mitochondrial genomes --- Curculionoidea --- Curculionidae --- Cossoninae --- Rhyncolini --- Rhyncolina --- taxonomy --- new species --- mature larva --- morphology --- host plant --- Cape Verde --- biogeography --- microclimate --- species competition --- taxonomy --- South Africa --- Namibia --- weevils --- new taxa --- spermatheca --- Mimaulus --- Spartecerus --- spatio-temporal diffusion --- specialist weevils --- parasitic plants --- co-dispersal through space and time --- stable populations --- Coleoptera --- Curculionidae --- Curculioninae --- Acentrusini --- phylogeny --- Coleoptera --- Curculionidae --- Brachycerinae --- Tanysphyrini --- Afroryzophilus --- new species --- Afrotropical region --- Belidae --- Oxycoryninae --- Erotylidae --- Pharaxonothinae --- cycad pollination --- Alien --- invasive --- exotic --- biodiversity --- Patagonia --- Pinus radiata --- Eucalyptus --- taxonomy --- weevil --- new species --- Araucariaceae --- Hoop Pine --- Klinki Pine --- Australia --- Papuan region --- Neotropical region --- broad-nosed weevils --- Naupactini --- Pantomorus-Naupactus complex --- phylogeny --- COI --- combined evidence --- 1K Weevils Project --- biogeography --- classification --- Curculionidae --- Curculionoidea --- fossils --- Guillermo Kuschel --- morphology --- molecular phylogenetics --- DNA barcoding --- phylogeny --- phytophagy --- weevils --- Dichotrachelini --- systematics --- morphology --- evolution --- mt-Cox1 --- Cryptoplini --- taxonomy --- weevils --- tectal aedeagus --- Kuschelorhynchus --- Macadamia --- Syzygium --- Australia --- New Guinea --- Curculionidae --- biological control --- target host --- non-target host --- taxonomy --- phylogeny --- Sclerocardius --- Sclerocardiini --- taxonomy --- systematics --- elytro-tergal stridulation --- taxonomy --- identification --- diagnostics --- pollination --- flightlessness --- Curculionoidea --- weevil --- hygrophilous --- aquatic --- semi-aquatic --- riparian --- key --- Israel --- Curculionidae --- Anchonini --- Molytinae --- Aethiopacorep africanus --- neotype --- Titilayo --- Titilayo barclayi --- Titilayo garnerae --- Titilayo geiseri --- Titilayo takanoi --- Titilayo perrinae --- Titilayo saotomense --- Titilayo turneri --- taxonomy --- distribution --- taxonomy --- weevil --- new species --- Australia --- Papuan region --- Araceae --- biodiversity --- ecology --- faunal inventories --- mimicry --- phenology --- Brachycerinae --- Tanysphyrini --- Afroryzophilus --- new species --- Afrotropical region --- Cossoninae --- Rhyncolini --- Rhyncolina --- taxonomy --- new species --- Aciphylla --- Chatham Islands --- integrative taxonomy --- Poor Knights Islands --- weevils --- Urodontinae --- Urodontidius --- genitalia --- larva --- life history --- galling habit --- silk production --- taxonomy --- South Africa --- Namibia --- weevils --- new taxa --- Broad-nosed weevils --- Entiminae --- tribal relationships --- combined evidence --- ribosomal markers --- structural alignment --- mitochondrial COI --- adults --- larvae --- biography --- obituary --- weevils --- systematics --- publications --- Borneo --- tropical forest canopies --- fogging --- diversity --- forest disturbance --- weevil fauna --- longhorned beetle (Cerambycidae) --- new species --- Curculionoidea --- Mesophyletidae --- Cretaceous --- taxonomy --- morphology --- CT scanning --- amber preparation --- angiosperm associations --- weevil larvae --- palm weevils --- invasive species --- comparative morphology --- homonym --- taxonomy --- Curculionoidea --- Mesophyletidae --- Cretaceous

Effects of Mycotoxins on the Intestine

Authors: --- ---
ISBN: 9783038977827 9783038977834 Year: Pages: 262 DOI: 10.3390/books978-3-03897-783-4 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Public Health
Added to DOAB on : 2019-05-09 17:16:14
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Abstract

Mycotoxins are secondary metabolites produced by several fungal species. They can contaminate human food and animal feed, and have been a threat for thousands of years. The gastrointestinal tract is the first target when ingesting mycotoxin-contaminated food or feed. As unlikely as it sounds, the investigations concerning the effects of mycotoxins on the intestine are still in their early stages. This book gathers the most recent advances related to the characterization of the intestinal toxicity of mycotoxins. Substantial data assembled on the damage caused to a number of histological structures and functions of the intestine remove any remaining doubt about this organ being a primary target for the toxicity of mycotoxins. An interesting overview of the detrimental effects of mycotoxins on the gut-hosted microbiota&mdash;now regarded as a fully-fledged organ associated with the gut&mdash;is also given. Finally, outstanding contributions in this book address questions relating to the suitability of current regulations to protect against alterations of the intestine, and to the efficacy assessment of new detoxification strategies using the intestinal toxicity of mycotoxins as a relevant endpoint.

Keywords

mice --- aflatoxin B1 --- intestinal bacterial flora --- response --- Clostridium sp. WJ06 --- deoxynivalenol --- pig --- intestinal morphology --- microbial diversity --- aflatoxin M1 --- ochratoxin A --- intestinal epithelial cells --- tight junction --- permeability --- ileum --- jejunum --- deoxynivalenol --- piglet --- contaminated feed --- tight junction --- aflatoxin B1 --- small intestine --- histopathological lesions --- ultrastructural changes --- toll-like receptors --- T-2 toxin --- enteric nervous system --- pig --- vasoactive intestinal polypeptide --- mycotoxins --- zearalenone --- deoxynivalenol --- histology --- ultrastructure --- large intestine --- pig --- Claviceps --- liver --- digestive tract --- mycotoxin --- sclerotia --- ergot alkaloids --- toxicity --- deoxynivalenol --- Saccharomyces cerevisiae boulardii CNCM I-1079 --- intestine --- transcriptome --- inflammation --- oxidative stress --- lipid metabolism --- fumonisin --- microbiota --- pigs --- MiSeq 16S rDNA sequencing --- intestinal microbiota --- hydrogen-rich water --- lactulose --- Fusarium mycotoxins --- piglets --- functional oligosaccharides --- mycotoxins --- swine --- explant technique --- intestinal morphology --- goblet cells --- deoxynivalenol --- zearalenone --- pig --- colon microbiota --- Lactobacillus --- detoxification --- zearalenone --- doses --- caecal water --- genotoxicity --- pre-pubertal gilts --- atlantic salmon --- deoxynivalenol --- feed --- intestine --- PCR --- proliferating cell nuclear antigen --- suppressor of cytokine signaling --- tight junctions --- Zearalenone --- N-acetylcysteine --- SIEC02 cells --- Mitochondrial apoptosis --- n/a

Vocabulary Development

Authors: ---
ISBN: 9783038977346 9783038977353 Year: Pages: 160 DOI: 10.3390/books978-3-03897-735-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Social Sciences --- Education
Added to DOAB on : 2019-04-25 16:37:17
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Knowledge of word meanings is critical to success in reading. A reader cannot fully understand a text in which the meaning to a significant number of words is unknown. Vocabulary knowledge has long been correlated with proficiency in reading. Yet, national surveys of student vocabulary knowledge have demonstrated that student growth in vocabulary has been stagnant at best. This volume offers new insights into vocabulary knowledge and vocabulary teaching. Articles range from a presentation of theories of vocabulary that guide instruction to innovative methods and approaches for teaching vocabulary. Special emphasis is placed on teaching academic and disciplinary vocabulary that is critical to success in content area learning. Our hope for this volume is that it may spark a renewed interest in research into vocabulary and vocabulary instruction and move toward making vocabulary instruction an even more integral part of all literacy and disciplinary instruction.

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