Microbial biosynthesis and in vivo depolymerization of intracellular medium‐chain‐length poly‐3‐hydroxyalkanoates as potential route to platform chemicals
Sign Up to like & getrecommendations! Published in 2018 at "Biotechnology and Applied Biochemistry"
DOI: 10.1002/bab.1666
Abstract: Biosynthesis and in vivo depolymerization of intracellular medium‐chain‐length poly‐3‐hydroxyalkanoates (mcl‐PHA) in Pseudomonas putida Bet001 grown on lauric acid were studied. Highest mcl‐PHA fraction (>50 % of total biomass) and cell concentration (8 g L−1) were… read more here.
Keywords: depolymerization; vivo depolymerization; medium; biosynthesis vivo ... See more keywords
Enzymatic depolymerization of industrial lignins by laccase‐mediator systems in 1,4‐dioxane/water
Sign Up to like & getrecommendations! Published in 2020 at "Biotechnology and Applied Biochemistry"
DOI: 10.1002/bab.1887
Abstract: Lignin is the second most abundant polymer after cellulose in lignocellulosic biomass. Its aromatic composition and recalcitrant nature make its valorization a major challenge for obtaining low molecular weight aromatics compounds with high value‐added from… read more here.
Keywords: industrial lignins; depolymerization; enzymatic depolymerization; depolymerization industrial ... See more keywords
Formation and Depolymerization of Oligomers during Thermal Cracking of Silicon-Containing Carbamates.
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DOI: 10.1002/cplu.201900245
Abstract: Polymerization reactions in the thermal cracking of N-substituted carbamates to produce the corresponding isocyanates significantly reduce the yield of isocyanates and thus vastly hinder the industrial application of such non-phosgene routes. Herein, we tried to… read more here.
Keywords: cracking silicon; formation depolymerization; depolymerization; thermal cracking ... See more keywords
Kinematic Modeling of Mechanocatalytic Depolymerization of α-Cellulose and Beechwood.
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DOI: 10.1002/cssc.201702060
Abstract: Mechanocatalytic depolymerization of lignocellulose presents a promising method for the solid-state transformation of acidified raw biomass into water-soluble products (WSPs). However, the mechanisms underlining the utilization of mechanical forces in the depolymerization are poorly understood.… read more here.
Keywords: depolymerization; energy; process; mechanocatalytic depolymerization ... See more keywords
Electrochemical Depolymerization of Lignin in a Biomass-based Solvent.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202201246
Abstract: Invited for this month's cover is the group of Adam Slabon at the University of Wuppertal. The image illustrates the reductive depolymerization of lignin into monomers using copper as electrocatalyst. The Research Article itself is… read more here.
Keywords: biomass based; depolymerization; electrochemical depolymerization; depolymerization lignin ... See more keywords
Accelerated Thermal Depolymerization of Cyclic Polyphthalaldehyde with a Polymeric Thermoacid Generator.
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DOI: 10.1002/marc.201800046
Abstract: Thermally triggerable polymer films that degrade at modest temperatures (≈85 °C) are created from a blend of cyclic polyphthalaldehyde (cPPA) and a polymeric thermoacid generator, poly(vinyl tert-butyl carbonate sulfone) (PVtBCS). PVtBCS depolymerizes when heated, generating… read more here.
Keywords: cyclic polyphthalaldehyde; thermoacid generator; depolymerization; cppa ... See more keywords
Time‐delayed photo‐induced depolymerization of poly(phthalaldehyde) self‐immolative polymer via in situ formation of weak conjugate acid
Sign Up to like & getrecommendations! Published in 2019 at "Polymers for Advanced Technologies"
DOI: 10.1002/pat.4596
Abstract: Polym Adv Technol. 2019;1–7. Poly(phthalaldehyde) (PPHA) can be used as a structural material in transient devices and photo‐catalytically depolymerized at the end of device life by the use of a photo‐ acid generator (PAG). However,… read more here.
Keywords: depolymerization; poly phthalaldehyde; ppha depolymerization; photo ... See more keywords
Expression and Characterization of Hyaluronan-Binding Protein Involved in Hyaluronan Depolymerization: HYBID, Alias KIAA1199 and CEMIP.
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DOI: 10.1007/978-1-0716-0430-4_13
Abstract: Hyaluronan (HA), a major component of the extracellular matrix in vertebrate tissues, provides structural and functional integrity to cells and organs. Biological functions of HA are dependent on the molecular size of HA and the… read more here.
Keywords: depolymerization; hyaluronan binding; hyaluronan; hybid ... See more keywords
Temperature profile optimization: potential for multi-enzymatic biopolymer depolymerization processes
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DOI: 10.1007/s00449-017-1751-9
Abstract: Optimal control of temperature was applied to a population balance model of enzymatically catalyzed depolymerization of a soluble polymer coupled with denaturation of enzyme. The reaction time required to reach a desired yield was predicted… read more here.
Keywords: profile optimization; depolymerization; temperature; time ... See more keywords
Detection and Identification of Lignosulfonate Depolymerization Products Using UPLC-QTOF-MS and a Self-Built Database
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DOI: 10.1007/s10337-019-03821-x
Abstract: In this study, based on depolymerization solution of commercially available sodium lignosulfonate under mild conditions, an efficient method for the chromatographic separation of lignosulfonate depolymerization products was firstly established. The self-built database contains 18 lignin-based… read more here.
Keywords: depolymerization; depolymerization products; lignosulfonate depolymerization; built database ... See more keywords
Mesoporous electronegative nanocomposites of SBA-15 with CaO–CeO2 for polycarbonate depolymerization
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DOI: 10.1007/s10853-019-03560-2
Abstract: The depolymerization of polycarbonate (PC) into bisphenol A (BPA) is performed by defective xCaO/Ce-SBA-15 nanocomposite assisted by plasma treatment. For such composite catalyst, CaO and CeO2 particles are finely encapsulated into the tubular SBA-15 without… read more here.
Keywords: polycarbonate; depolymerization; surface; cao ceo2 ... See more keywords