| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Adamus, Grazyna
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Structural and Thermal Characterization of Bluepha® Biopolyesters: Insights into Molecular Architecture and Potential Applicationscitations
- 2023Development of Polyhydroxybutyrate-Based Packaging Films and Methods to Their Ultrasonic Weldingcitations
- 2021From anionic ring-opening polymerization of β-butyrolactone to biodegradable poly(hydroxyalkanoate)s: Our contributions in this fieldcitations
- 2018Molecular level structure of biodegradable poly(delta-valerolactone) obtained in the presence of boric acidcitations
- 2017Forensic engineering of advanced polymeric biomaterials
- 2016Forensic engineering of advanced polymeric materials. Part III - Biodegradation of thermoformed rigid PLA packaging under industrial composting conditions.citations
- 2015Mass Spectrometry for the Elucidation of the Subtle Molecular Structure of Biodegradable Polymers and their Degradation Products
- 2013Biodegradable Latexes from Animal-Derived Waste: Biosynthesis and Characterization of mcl-PHA accumulated by Ps. citronelloliscitations
Places of action
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article
Biodegradable Latexes from Animal-Derived Waste: Biosynthesis and Characterization of mcl-PHA accumulated by Ps. citronellolis
Abstract
Background<br/><br/>mcl-PHA biosynthesis by Pseudomonas citronellolis from tallow-based biodiesel as inexpensive carbon feed stock was accomplished. Fermentation protocols, kinetic analysis, an efficient product recovery strategy, and a detailed product characterization are presented.<br/>Results<br/><br/>A maximum specific growth rate, μmax. of 0.10 and 0.08 h−1, respectively, was achieved in two different fermentation set-ups. Volumetric productivity for mcl-PHA amounted to 0.036 g/L h and 0.050 g/L h, final intracellular PHA contents calculated from the sum of active biomass and PHA to 20.1 and 26.6 wt.%, respectively. GC-FID analysis showed that the obtained biopolyester predominantly consists of 3-hydroxyoctanoate and 3-hydroxydecanoate, and, to a minor extent, 3-hydroxydodecanoate, 3-hydroxynonanoate, 3-hydroxyhexanoate, and 3-hydroxyheptanoate monomers. This was confirmed by 1H- and 13C NMR, also evidencing the occurrence of low quantities of unsaturated and 3-hydroxyvalerate building blocks. High purity of the recovered materials was proofed by elemental analysis. Regarding the results from thermogravimetric analysis, differential scanning calorimetry and molecular mass determination, results were in a range typical for this type of PHA (1st fermentation: decomposition temperature Td = 296 °C, peak of melting range Tm = 48.6 °C; glass transition temperature Tg = −46.9 °C, degree of crystallinity Xc = 12.3%, Mw = 66,000, Mn = 35,000, dispersity index Pi = 1.9; 2nd fermentation: Td = 295 °C, Tm = 53.6 °C, Tg = -43.5 °C, Xc = 10.4%, Mw = 78,000, Mn = 196,000, Pi = 2.5).<br/><br/>