Biosynthesis of polyhydroxyalkanoates using Cupriavidus necator H16 and its application for particleboard production

Khunthongkaew, Piyaporn; Paramasivam, M.; Sudesh, Kumar; Iewkittayakorn, Jutarut

doi:10.1007/s10965-018-1521-7

Cited by 11 publications

(11 citation statements)

References 16 publications

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“…The results of CDW and PHB concentrations obtained in fed-batch fermentation were improved as compared with those obtained in batch fermentation. However, the PHB productivity obtained in the fed-batch fermentation (0.43 g/L/h in the case of WCO and 0.55 g/L/h in the case of WFO) was still very low compared with that obtained by the other studies, e.g., C. necator H16 using waste rapeseed oil (1.46 g/L/h) [32] and C. necator H16 using palm oil (1.35 g/L/h) [56] . Therefore, further studies need to be performed to improve the PHB productivity.…”

Section: Resultscontrasting

confidence: 57%

“…A mixture of organic and inorganic nitrogen sources (peptone, meat extract, yeast extract, and urea) was used in our study. However, only an inorganic nitrogen source such as (NH 4 ) 2 SO 4 or CO(NH 2 ) 2 was commonly used in other studies for PHA production by C. necator [ 32 , 56 ]. Peptone, meat extract, and yeast extract are complex substrates; besides being nitrogen sources, they can also provide many other essential elements for bacterial growth.…”

Section: Resultsmentioning

confidence: 99%

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A fermentation process for the production of poly(3-hydroxybutyrate) using waste cooking oil or waste fish oil as inexpensive carbon substrate

Loan

Trang

Huy³

et al. 2022

Biotechnology Reports

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Highlights Both WCO and WFO can be used as promising substrates for PHA production. First report of a fed-batch fermentation process using WFO as sole carbon source for PHA production. High PHB yields of 0.8 g/g and 0.92 g/g were produced from WCO and WFO, respectively. Highest PHB productivity (1.73 g/L/h) was achieved when using waste oil as carbon source.

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Section: Resultscontrasting

confidence: 57%

Section: Resultsmentioning

confidence: 99%

A fermentation process for the production of poly(3-hydroxybutyrate) using waste cooking oil or waste fish oil as inexpensive carbon substrate

Loan

Trang

Huy³

et al. 2022

Biotechnology Reports

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“…Other studies [27][28][29] discuss properties and potential uses of wood waste and PHA to fabricate wood particle boards. The studies proved that PHAs could serve as nontoxic binding material instead of toxic formaldehyde resins.…”

Section: Discussionmentioning

confidence: 99%

“…Some relatively recent studies investigated natural materials as fillers for modifying properties of PHAs. They described results of filling polyhydroxyalkanoates with clay and its derivatives [20][21][22][23], plant fibers [24,25], lignin and holocellulose from a lignocellulosic biowaste [26], and wood chips and powder [27][28][29]. As those studies describe different methods of production and investigation of PHA-based blends, it is difficult to compare them and draw any conclusion about the consistent effects of the fillers on the properties of these polymers.…”

Section: Introductionmentioning

confidence: 99%

Thermal, mechanical and biodegradation studies of biofiller based poly-3-hydroxybutyrate biocomposites

Thomas

Shumilova

Kiselev

et al. 2020

International Journal of Biological Macromolecules

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Biodegradable poly-3-hydroxybutyrate [P(3HB)] and natural materials (fillers)clay, peat, and birch wood powderwere used to prepare powdered blends and, then, pellets and granules. Pellets were produced by cold pressing of polymer and filler powders; granules were produced from the powders wetted with ethanol. Properties of initial P(3HB) and fillers and blends thereof were studied using IR spectroscopy, DSC, X-ray analysis, and electron microscopy. No chemical bonds between the components were revealed: the blends were physical mixtures. The degree of crystallinity of the blends was lower than that of the initial polymer, suggesting different crystallization kinetics of the blends. Introduction of increasing amounts of the fillers into the polymer progressively decreased mechanical strength of the pellets, as confirmed by the decrease in Young's modulus. The study of degradation of the blends in soil showed that the mass loss of the blends over 35 days of incubation in soil varied between 30 and 50% of the initial mass of the products, depending on the type of the filler.

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“…Angelini et al (2016) reported using a lignocellulosic biomass (LC), biowaste from a second-generation bioethanol production process, as a filler of P(3HB). Other studies (Khunthongkaew et al, 2018;Iewkittayakorn et al, 2017) discuss properties and potential uses of wood waste and PHA to fabricate wood particle boards. These studies proved that PHAs could serve as nontoxic binding materials instead of toxic formaldehyde resins.…”

Section: Introductionmentioning

confidence: 99%

Thermal and Mechanical Studies of Biofiller/Poly-3-Hydroxybutyrate Biocomposites

Kiselev

Кузьмин

Немцев

2019

Journal of Siberian Federal University. Biology

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Biodegradable poly-3-hydroxybutyrate [P(3HB)] and birch wood flour (as filler) were used to prepare powdered blends and then pellets and granules. Pellets were produced by cold pressing of polymer and filler powders; granules were produced from the powders wetted with ethanol. The properties of the initial P(3HB) and filler and the blends thereof were studied using IR spectroscopy, differential scanning calorimetry, X-ray analysis, and electron microscopy. No chemical bonds between the components were revealed; the blends were physical mixtures. The degree of crystallinity of the blends was lower than that of the initial polymer, suggesting different crystallization kinetics of the blends. The introduction of increasing amounts of filler into the polymer progressively decreased the mechanical strength of the pellets, as confirmed by a decrease in Young’s modulus. The resulting composite, based on biodegradable polymers and wood flour, is a promising nontoxic material for the production of wood-based panels for the construction industry and the manufacture of furniture in place of materials produced using toxic polyester resins

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Biosynthesis of polyhydroxyalkanoates using Cupriavidus necator H16 and its application for particleboard production

Cited by 11 publications

References 16 publications

A fermentation process for the production of poly(3-hydroxybutyrate) using waste cooking oil or waste fish oil as inexpensive carbon substrate

A fermentation process for the production of poly(3-hydroxybutyrate) using waste cooking oil or waste fish oil as inexpensive carbon substrate

Thermal, mechanical and biodegradation studies of biofiller based poly-3-hydroxybutyrate biocomposites

Thermal and Mechanical Studies of Biofiller/Poly-3-Hydroxybutyrate Biocomposites

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