Results 201 to 210 of about 193,242 (265)
Tuning the Crystal Structure of Amphiphilic 3,4,5-Tris(alkyloxy)benzenesulfonates with Bulky Tetrabutylammonium Cations by Variation in the Aliphatic Chain. [PDF]
MoleculesStupnikov A +6 more
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AgBF<sub>4</sub>-catalyzed insertion of unactivated alkynes into C-F bonds of acyl fluorides. [PDF]
Chem SciEmmei T, Tobisu M.
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Trends in Organofluorine Chemistry Reveal Gaps in Knowledge on Environmental Persistence. [PDF]
Environ Sci TechnolNg CA, King JF.
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Microbial degradation of aliphatic and aliphatic-aromatic co-polyesters
Applied Microbiology and Biotechnology, 2014Biodegradable plastics (BPs) have attracted much attention since more than a decade because they can easily be degraded by microorganisms in the environment. The development of aliphatic-aromatic co-polyesters has combined excellent mechanical properties with biodegradability and an ideal replacement for the conventional nondegradable thermoplastics ...
Aamer Shāh +2 more
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Macromolecular Bioscience, 2021
AbstractAliphatic polycarbonates (APCs) have been studied for decades but have not been as utilized as aliphatic polyesters in biomaterial applications such as drug delivery and tissue engineering. With the recognition that functionalized aliphatic polymers can be readily synthesized, increased attention is being paid to these materials.
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AbstractAliphatic polycarbonates (APCs) have been studied for decades but have not been as utilized as aliphatic polyesters in biomaterial applications such as drug delivery and tissue engineering. With the recognition that functionalized aliphatic polymers can be readily synthesized, increased attention is being paid to these materials.
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British Polymer Journal, 1984
The synthesis and characterisation of ten fluorinated aliphatic, aliphatic and aliphatic ether polycarbonates is described using polycondensation of the appropriate biscarbonates. The materials have been characterised by elemental and spectroscopic analysis, and their Tg values obtained and discussed.
W. James Feast, Paul J. Tweedale
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The synthesis and characterisation of ten fluorinated aliphatic, aliphatic and aliphatic ether polycarbonates is described using polycondensation of the appropriate biscarbonates. The materials have been characterised by elemental and spectroscopic analysis, and their Tg values obtained and discussed.
W. James Feast, Paul J. Tweedale
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Recueil des Travaux Chimiques des Pays-Bas, 1936
AbstractThe high boiling amines, obtained by the interaction of 1: 3‐dibromo‐propane and 1: 2‐diamino‐ethane hydrate, have been investigated. The lower terms contain straight chains of dimethylene and trimethylene groups separated by nitrogen atoms but in the higher boiling fractions cyclic amines are present.
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AbstractThe high boiling amines, obtained by the interaction of 1: 3‐dibromo‐propane and 1: 2‐diamino‐ethane hydrate, have been investigated. The lower terms contain straight chains of dimethylene and trimethylene groups separated by nitrogen atoms but in the higher boiling fractions cyclic amines are present.
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Aliphatic Epoxide Carboxylation
Annual Review of Biochemistry, 2003▪ Abstract Aliphatic epoxides (epoxyalkanes) are highly reactive electrophilic molecules that are formed from the monooxygenase-catalyzed epoxidation of aliphatic alkenes. The bacterial metabolism of short-chain epoxyalkanes occurs by a three-step pathway resulting in net carboxylation to β-ketoacids.
Scott A, Ensign, Jeffrey R, Allen
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Biomacromolecules, 2004
The anaerobic degradability of natural and synthetic polyesters is investigated applying microbial consortia (3 sludges, 1 sediment) as well as individual strains isolated for this purpose. In contrast to aerobic conditions, the natural homopolyester polyhydroxybutyrate (PHB) degrades faster than the copolyester poly(hydroxybutyrate-co-hydroxyvalerate)
Dunja-Manal, Abou-Zeid +2 more
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The anaerobic degradability of natural and synthetic polyesters is investigated applying microbial consortia (3 sludges, 1 sediment) as well as individual strains isolated for this purpose. In contrast to aerobic conditions, the natural homopolyester polyhydroxybutyrate (PHB) degrades faster than the copolyester poly(hydroxybutyrate-co-hydroxyvalerate)
Dunja-Manal, Abou-Zeid +2 more
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Degradation Products of Aliphatic and Aliphatic–Aromatic Polyesters
2008Analysis of degradation products needs to be included in degradability testing to ensure the environmental adaptability of degradable polymers. Identification of breakdown products from environmental degradation is important for understanding the degradation process, environmental interaction and impact of degradable polymers.
Minna Hakkarainen +1 more
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