Effects of metal salts on char oxidation in pectins/uronic acids and other acid derivative carbohydrates

Waymack, Bruce E.; Belote, Jennifer L; Baliga, Vicki L; Hajaligol, Mohammad R.

doi:10.1016/j.fuel.2003.11.019

Cited by 18 publications

(10 citation statements)

References 17 publications

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“…Like pectin, pec-PHB has a high residue content (15.31%) ( Table S1 ), possibly due to the presence of sodium and potassium salts of uronic acid groups. 58 , 59 …”

Section: Results and Discussionmentioning

confidence: 99%

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Electrospun Pectin-Polyhydroxybutyrate Nanofibers for Retinal Tissue Engineering

Chan

Liu

et al. 2017

ACS Omega

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Natural polysaccharide pectin has for the first time been grafted with polyhydroxybutyrate (PHB) via ring-opening polymerization of β-butyrolactone. This copolymer, pectin-polyhydroxybutyrate (pec-PHB), was blended with PHB in various proportions and electrospun to produce nanofibers that exhibited uniform and bead-free nanostructures, suggesting the miscibility of PHB and pec-PHB. These nanofiber blends exhibited reduced fiber diameters from 499 to 336–426 nm and water contact angles from 123.8 to 88.2° on incorporation of pec-PHB. They also displayed 39–335% enhancement of elongation at break relative to pristine PHB nanofibers. pec-PHB nanofibers were found to be noncytotoxic and biocompatible. Human retinal pigmented epithelium (ARPE-19) cells were seeded onto pristine PHB and pec-PHB nanofibers as scaffold and showed good proliferation. Higher proportions of pec-PHB (pec-PHB10 and pec-PHB20) yielded higher densities of cells with similar characteristics to normal RPE cells. We propose, therefore, that nanofibers of pec-PHB have significant potential as retinal tissue engineering scaffold materials.

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“…Like pectin, pec-PHB has a high residue content (15.31%) ( Table S1 ), possibly due to the presence of sodium and potassium salts of uronic acid groups. 58 , 59 …”

Section: Results and Discussionmentioning

confidence: 99%

“…The presence of a single decomposition step represents the successful grafting of PHB on pectin. Like pectin, pec-PHB has a high residue content (15.31%) (Table S1), possibly due to the presence of sodium and potassium salts of uronic acid groups. , …”

Section: Results and Discussionmentioning

confidence: 99%

Electrospun Pectin-Polyhydroxybutyrate Nanofibers for Retinal Tissue Engineering

Chan

Liu

et al. 2017

ACS Omega

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show abstract

“…Recently published studies by Waymack et al [20] have indicated that alkali salts such as salts of sodium or potassium, bound in pectins, decompose during pyrolysis between 200 and 400 8C to produce a metal complex in the char that subsequently inhibits the carbon char from oxidation at about 400-500 8C until about 650-750 8C. If a similar mechanism occurs in the saccharides used in the present study then it is possible that the weight loss/ temperature and product formation/temperature relationships observed under the oxidative pyrolysis conditions of the present study could be influenced by the presence of alkali metal impurities.…”

Section: Resultsmentioning

confidence: 99%

Pyrolysis of saccharide tobacco ingredients: a TGA–FTIR investigation

Baker

Coburn

Liu

et al. 2005

Journal of Analytical and Applied Pyrolysis

106

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“…Detailed investigations into the chemistry behind this combustion behaviour have not been published. However, a wide range of literature investigates the effect of metals and inorganic compounds in the pyrolytic and oxidative thermal decomposition of wood [1,[28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44].…”

Section: The Effect Of Copper and Other Metals On Thermal Degradationmentioning

confidence: 99%

Formation of dioxins and furans during combustion of treated wood

Tame

Dlugogorski

Kennedy

2007

Progress in Energy and Combustion Science

105

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Effects of metal salts on char oxidation in pectins/uronic acids and other acid derivative carbohydrates

Cited by 18 publications

References 17 publications

Electrospun Pectin-Polyhydroxybutyrate Nanofibers for Retinal Tissue Engineering

Electrospun Pectin-Polyhydroxybutyrate Nanofibers for Retinal Tissue Engineering

Pyrolysis of saccharide tobacco ingredients: a TGA–FTIR investigation

Formation of dioxins and furans during combustion of treated wood

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