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Advances in Polyhydroxyalkanoate (PHA) Production

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ISBN: 9783038426370 9783038426363 Year: Pages: X, 245 DOI: 10.3390/books978-3-03842-636-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Biotechnology
Added to DOAB on : 2017-12-22 11:01:59
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Currently, we are witnessing highly dynamic research efforts related to the exciting field of novel biodegradable plastic-like materials. These activities originate from a growing public awareness of prevailing ecological problems associated to, e.g., rising piles of plastic waste, increasing greenhouse gas emissions, and ongoing depletion of such fossil resources usually used for the synthesis of “full carbon backbone” plastics. Polyhydroxyalkanoate (PHA) biopolyesters, a family of versatile plastic-like materials produced by living microbes, are a future-oriented alternative to traditional plastics. If accomplished in an optimized way, production and the entire lifecycle of PHA are embedded into nature´s closed carbon cycle, which is underlined by PHA´s main benefits of being “biobased”, “biosynthesized”, “biocompatible”, and “biodegradable”.Sustainable and economically feasible PHA synthesis, especially on an industrially relevant scale, requires all production steps to be understood and improved. Among other aspects, this calls for new powerful production strains to be screened; knowledge about the proteome and genome of PHA accumulating organisms to be consolidated; the kinetics of the bioprocesses to be thoroughly understood; abundantly available inexpensive raw materials to be tested; the monomer composition of PHA to be adapted; (bio)chemical engineering to be optimized; and novel PHA recovery strategies to be developed in order to reduce energy and chemical inventory.The present book provides a comprehensive compilation of articles addressing all these different aspects; the individual chapters were composed by globally recognized front running experts from special niches of PHA research. We are convinced that this book will be of major benefit to the growing scientific community active in biopolymer research.

Bio-Based Polymers for Engineered Green Materials

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ISBN: 9783039289257 / 9783039289264 Year: Pages: 568 DOI: 10.3390/books978-3-03928-926-4 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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With daily signals, Nature is communicating us that its unconscious wicked exploitation is no more sustainable. Our socio-economic system focuses on production increasing without considering the consequences. We are intoxicating ourselves on a daily bases just to allow the system to perpetuate itself. The time to switch into more natural solutions is come and the scientific community is ready to offer more natural product with comparable performance then the market products we are used to deal with. This book collects a broad set of scientific examples in which research groups from all over the world, aim to replace fossil fuel-based solutions with biomass derived materials. In here, some of the most innovative developments in the field of bio-materials are reported considering topics which goes from biomass valorization to the synthesis of high preforming bio-based materials.

Keywords

thermoplastic starch --- corn starch --- chitosan --- crosslinked microparticles --- lignin-containing cellulose nanofibrils --- poly(lactic acid) and composite films --- lignin content --- compatibility --- adsorption --- phenanthrene --- pyrene --- benzoyl cellulose --- stearoyl cellulose --- silkworm cocoons --- dense structure --- porosity --- robust fiber network --- mechanical properties --- photodegradation --- liquid natural rubber --- UV light --- TiO2 anatase --- latex state --- wood modification --- alkali lignin --- water resistance --- dimensional stability --- heat treatment --- polymeric composites --- antifouling --- metal binding --- iron chelation --- polydopamine coating --- free-radical polymerization --- galactoglucomannan --- lignin --- lignin-carbohydrate complex --- ultrafiltration --- precipitation --- hydrogel --- recycling --- thermal degradation --- mechanical degradation --- polylactic acid --- Bioflex --- Solanyl --- PHBV --- poly(lactic acid) --- pulp fibers --- biocomposite --- emulsion-solvent evaporation method --- films --- mechanical properties --- PHA --- mixed microbial cultures --- bioplastics --- feast-famine --- cost --- Peptone --- Microbial nutrient --- Anti-bacterial silver nanoparticle --- Escherichia coli --- Staphylococcus aureus --- tannin --- hemicellulose --- waste biomass --- HSQC-NMR --- pyrolysis mechanism --- hydrotropic treatment --- metal chloride --- delignification --- enzymatic saccharification --- lignocellulosic nanofibrils --- microencapsulated phase change material (MPCM) --- polylactic acid (PLA) --- toughening --- endothermic effect --- kenaf fiber --- hybrid composites --- bio-based --- film --- mechanical properties --- polysaccharides --- resource recovery --- solution casting --- orange waste --- nanocelluloses --- cellulose nanofibers --- cellulose nanocrystals --- bacterial cellulose --- cement --- fiber-cement --- Hatscheck process --- bio-inspired interfaces --- mechanical properties --- thermal stability --- sensitivity --- electrospinning --- tissue engineering --- paper-based scaffolds --- osteoblast proliferation --- polycaprolactone --- biopolymers --- nanoclays --- nanobiocomposites --- extrusion-compounding --- polyhydroxyalkanoates --- thermal properties --- mechanical properties --- differential scanning calorimetry --- nuclear magnetic resonance --- X-ray diffraction --- transparent wood --- chemical composition --- H2O2 bleaching treatment --- physicochemical properties --- cellulose --- electrical resistance --- copper coating --- electroless deposition --- humidity sensor --- strain sensor --- lyocell fiber --- asphalt rubber --- bio-asphalt --- mixing sequence --- workability --- storage stability --- tung oil --- unsaturated polyester resins --- thermosetting polymers --- structure–property relationship --- structural plastics --- ONP fibers --- silanization --- composites --- mechanical properties --- Artemisia vulgaris --- microcellulose fiber --- nanocellulose fibers --- natural fibers --- Bio-based foams --- wastewater treatments --- cationic dyes --- anionic surfactants --- pollutant adsorbents --- tannin polymer --- tannin-furanic foam --- biopolymers --- nanoclays --- bio-nanocomposites --- extrusion-compounding --- polyhydroxyalkanoates --- thermal properties --- microstructure --- volatiles --- autoxidation --- thermal gravimetric analysis --- scanning electron microscope --- headspace solid phase microextraction --- alginate sponge --- two-step lyophilization --- methylene blue --- adsorption capacity --- biomass resources --- hybrid nonisocyanate polyurethane --- solvent- and catalyst-free --- dimer acid --- melt condensation --- bacterial cellulose --- surface modification --- TEMPO oxidation --- one-pot synthesis --- immobilized TEMPO --- physical property --- skincare --- cellulose --- graphene oxide --- ionic liquid --- membrane --- transport properties --- heavy metals --- porous structure --- SAXS --- WAXS --- cellulose --- wood --- lignocellulose --- ionic liquid --- imidazolium --- fractionation --- dissolution --- GC-MS --- kaempferol --- knotwood --- larixol --- taxifolin --- vibrational spectroscopy --- n/a

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