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Plasma based Synthesis and Modification of Nanomaterials

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ISBN: 9783039213955 / 9783039213962 Year: Pages: 160 DOI: 10.3390/books978-3-03921-396-2 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology
Added to DOAB on : 2020-06-09 16:38:57
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Abstract

This book, entitled “Plasma-Based Synthesis and Modification of Nanomaterials” is a collection of nine original research articles devoted to the application of different atmospheric pressure (APPs) and low-pressure (LPPs) plasmas for the synthesis or modification of various nanomaterials (NMs) of exceptional properties. These articles also show the structural and morphological characterization of the synthesized NMs and their further interesting and unique applications in different areas of science and technology. The readers interested in the capabilities of plasma-based treatments will quickly be convinced that APPs and LPPs enable one to efficiently synthesize or modify differentiated NMs using a minimal number of operations. Indeed, the presented procedures are eco-friendly and usually involve single-step processes, thus considerably lowering labor investment and costs. As a result, the production of new NMs and their functionalization is more straightforward and can be carried out on a much larger scale compared to other methods and procedures involving complex chemical treatments and processes. The size and morphology, as well as the structural and optical properties of the resulting NMs are tunable and tailorable. In addition to the desirable and reproducible physical dimensions, crystallinity, functionality, and spectral properties of the resultant NMs, the NMs fabricated and/or modified with the aid of APPs are commonly ready-to-use prior to their specific applications, without any initial pre-treatments.

Lipopolysaccharides (LPSs)

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ISBN: 9783039282562 9783039282579 Year: Pages: 390 DOI: 10.3390/books978-3-03928-257-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Allergy and Immunology
Added to DOAB on : 2020-04-07 23:07:08
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Abstract

The cytoplasm of Gram-negative bacteria is bound by three layers: an inner membrane, a layer of peptidoglycan, and an outer membrane. The outer membrane is an asymmetric lipidic bilayer, with phospholipids on its inner surface and lipopolysaccharides (LPSs) on the outside, with the latter being the major component of the outer leaflet and covering nearly three-quarters of the total outer cell surface. All LPSs possess the same general chemical architecture independently of bacterial activity (pathogenic, symbiotic, commensal), ecological niche (human, animal, soil, plant, water), or growth conditions. Endotoxins are large amphiphilic molecules consisting of a hydrophilic polysaccharide component and a covalently bound hydrophobic and highly conserved lipid component, termed lipid A (the endotoxin subunit). The polysaccharide component can be divided into two subdomains: the internal and conserved core region as well as the more external and highly variable O-specific chain, also referred to as the O-antigen due to its immunogenic properties. LPSs are endotoxins, one of the most potent class of activators of the mammalian immune system; they can be released from cell surfaces of bacteria during multiplication, lysis, and death. LPS can act through its biological center (lipid A component) on various cell types, of which macrophages and monocytes are the most important.

Keywords

aspirin --- hepcidin --- P65 (nuclear factor-?B) --- IL-6/JAK2/STAT3 pathway --- lipopolysaccharide (LPS) --- nitric oxide (NO) --- iron regulatory protein 1 (IRP1) --- Megalobrama amblycephala --- lipopolysaccharide induced TNF? factor --- lipopolysaccharide stimulation --- innate immune --- Aeromonas --- genomics --- inner core oligosaccharide --- outer core oligosaccharide --- lipopolysaccharide --- lipopolysaccharide --- Erwinia amylovora --- NMR --- ESI FT-ICR --- structural determination --- Bordetellae --- Bordetella holmesii --- endotoxin --- lipid A --- structure --- mass spectrometry --- genomic --- Edwardsiella tarda --- core oligosaccharide --- MALDI-TOF MS --- ESI MSn --- NMR --- genomic --- LPS tolerance --- hypothalamic inflammation --- insulin resistance --- pJNK --- fibroblast --- keratocyte --- cornea --- lipopolysaccharide --- bacteria --- chemokine --- adhesion molecule --- collagen --- tear fluid --- serum resistance --- complement --- Salmonella --- lipopolysaccharide --- sialic acid --- reptile-associated salmonellosis --- sepsis --- time response --- inflammation --- oxidative stress --- endotoxaemia --- mouse --- rat --- lipopolysaccharide --- double-stranded RNA --- epithelial cell --- dendritic cell --- allergic respiratory disorder --- hygiene hypothesis --- rhinovirus --- respiratory syncytial virus --- toll-like receptor --- LPS --- lipopolysaccharide --- heptosyltransferase --- protein dynamics --- glycosyltransferase --- GT-B --- inhibitor design --- lipopolysaccharide --- Coxiella burnetii --- Q fever --- phagosome --- virenose --- Plesiomonas shigelloides --- O-antigen --- lipopolysaccharide --- O-acetylation --- d-galactan I --- HR-MAS --- NMR spectroscopy --- endotoxin --- lipopolysaccharide --- Low Endotoxin Recovery --- phase transitions --- polysorbate --- LPS aggregates --- Small Angle X-ray Scattering --- MAT --- LAL and LER --- anti-conjugate serum --- core oligosaccharide --- lipopolysaccharide --- NMR spectroscopy --- ESI MS --- Proteus penneri

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