Release of polysaccharide by sonication of cells (Porphyridium sp.)

V. Faerman; I. Mukmenev; I. Shreiber

doi:10.1134/S1063771009020171

Release of polysaccharide by sonication of cells (Porphyridium sp.)

V. Faerman, I. Mukmenev, I. Shreiber

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The paper deals with experimental data concerning the interaction of acoustical waves with microbial cell (Porphyridium sp.). The aim of the present paper was to increase the amount of biopolymer released from the microorganisms biomass with the aid ultrasound irradiation without scission or a decrease in the molecular weight. The results indicated that the amount of polysaccharide (for example) released from the cell pellet could be enhanced by ultrasound, depending on the frequency and energy of the ultrasound. The sugar composition remain the same, but the apparent viscosity of polysaccharide aqueous solutions decreased, indicated that some changes in the molecular shape and size occurred. When ultrasound irradiation was applied in the presence of either CO ₂ or CO₂ + H₂, the apparent viscosity of polysaccharide aqueous solutions increased (versus usual ultrasound treatment).

Original language	English
Pages (from-to)	270-272
Number of pages	3
Journal	Acoustical Physics
Volume	55
Issue number	2
DOIs	https://doi.org/10.1134/S1063771009020171
State	Published - 1 Mar 2009

ASJC Scopus subject areas

Acoustics and Ultrasonics

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title = "Release of polysaccharide by sonication of cells (Porphyridium sp.)",

abstract = "The paper deals with experimental data concerning the interaction of acoustical waves with microbial cell (Porphyridium sp.). The aim of the present paper was to increase the amount of biopolymer released from the microorganisms biomass with the aid ultrasound irradiation without scission or a decrease in the molecular weight. The results indicated that the amount of polysaccharide (for example) released from the cell pellet could be enhanced by ultrasound, depending on the frequency and energy of the ultrasound. The sugar composition remain the same, but the apparent viscosity of polysaccharide aqueous solutions decreased, indicated that some changes in the molecular shape and size occurred. When ultrasound irradiation was applied in the presence of either CO 2 or CO2 + H2, the apparent viscosity of polysaccharide aqueous solutions increased (versus usual ultrasound treatment).",

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N2 - The paper deals with experimental data concerning the interaction of acoustical waves with microbial cell (Porphyridium sp.). The aim of the present paper was to increase the amount of biopolymer released from the microorganisms biomass with the aid ultrasound irradiation without scission or a decrease in the molecular weight. The results indicated that the amount of polysaccharide (for example) released from the cell pellet could be enhanced by ultrasound, depending on the frequency and energy of the ultrasound. The sugar composition remain the same, but the apparent viscosity of polysaccharide aqueous solutions decreased, indicated that some changes in the molecular shape and size occurred. When ultrasound irradiation was applied in the presence of either CO 2 or CO2 + H2, the apparent viscosity of polysaccharide aqueous solutions increased (versus usual ultrasound treatment).

AB - The paper deals with experimental data concerning the interaction of acoustical waves with microbial cell (Porphyridium sp.). The aim of the present paper was to increase the amount of biopolymer released from the microorganisms biomass with the aid ultrasound irradiation without scission or a decrease in the molecular weight. The results indicated that the amount of polysaccharide (for example) released from the cell pellet could be enhanced by ultrasound, depending on the frequency and energy of the ultrasound. The sugar composition remain the same, but the apparent viscosity of polysaccharide aqueous solutions decreased, indicated that some changes in the molecular shape and size occurred. When ultrasound irradiation was applied in the presence of either CO 2 or CO2 + H2, the apparent viscosity of polysaccharide aqueous solutions increased (versus usual ultrasound treatment).

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Release of polysaccharide by sonication of cells (Porphyridium sp.)

Abstract

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