Evaluation of the characteristics of polyvinyl alcohol (PVA) as matrices for the immobilization of Pseudomonas putida

Muftah H. El-Naas; Abdel Hamid I. Mourad; Riham Surkatti

doi:10.1016/j.ibiod.2013.09.006

Evaluation of the characteristics of polyvinyl alcohol (PVA) as matrices for the immobilization of Pseudomonas putida

Muftah H. El-Naas, Abdel Hamid I. Mourad, Riham Surkatti

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

43 Citations (Scopus)

Abstract

This study evaluates the characteristics and viability of polyvinyl alcohol (PVA) as a support material for biomass immobilization. PVA gel pellets were prepared by iterative freezing-thawing method using different PVA compositions. The porous structures of the PVA pellets were examined using a Compound Microscope and SEM and revealed that the matrix structure and pore size distribution were affected by PVA composition. Mechanical properties of the PVA gel were characterized to evaluate its integrity as matrices for immobilizing microbial cells and found to be dependent on the PVA mass composition. As the PVA mass % increases the mechanical performance improved. Experiments were also carried out to utilize the prepared gel pellets for the immobilization of Pseudomonas putida and biodegradation of phenol over a long period of time. The results revealed that the capabilities of the biomass to degrade phenol increased with time and depended on the PVA mass content and porous structure.

Original language	English
Pages (from-to)	413-420
Number of pages	8
Journal	International Biodeterioration and Biodegradation
Volume	85
DOIs	https://doi.org/10.1016/j.ibiod.2013.09.006
Publication status	Published - Nov 2013

Keywords

Biodegradation
Freeze-thaw
Immobilization
Mechanical properties
Phenol

ASJC Scopus subject areas

Microbiology
Biomaterials
Waste Management and Disposal

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10.1016/j.ibiod.2013.09.006

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title = "Evaluation of the characteristics of polyvinyl alcohol (PVA) as matrices for the immobilization of Pseudomonas putida",

abstract = "This study evaluates the characteristics and viability of polyvinyl alcohol (PVA) as a support material for biomass immobilization. PVA gel pellets were prepared by iterative freezing-thawing method using different PVA compositions. The porous structures of the PVA pellets were examined using a Compound Microscope and SEM and revealed that the matrix structure and pore size distribution were affected by PVA composition. Mechanical properties of the PVA gel were characterized to evaluate its integrity as matrices for immobilizing microbial cells and found to be dependent on the PVA mass composition. As the PVA mass % increases the mechanical performance improved. Experiments were also carried out to utilize the prepared gel pellets for the immobilization of Pseudomonas putida and biodegradation of phenol over a long period of time. The results revealed that the capabilities of the biomass to degrade phenol increased with time and depended on the PVA mass content and porous structure.",

keywords = "Biodegradation, Freeze-thaw, Immobilization, Mechanical properties, Phenol",

author = "El-Naas, {Muftah H.} and Mourad, {Abdel Hamid I.} and Riham Surkatti",

note = "Funding Information: The authors would like to acknowledge the financial support provided by the Japan Cooperation Center, Petroleum (JCCP) and the technical support by JX Nippon Research Institute Co., Ltd (JX-NRI). They would also like to thank Manal Abu Alhaija and Abd El-Satar Nour El-Deen for their help with the experimental work.",

year = "2013",

month = nov,

doi = "10.1016/j.ibiod.2013.09.006",

language = "English",

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AU - El-Naas, Muftah H.

AU - Mourad, Abdel Hamid I.

AU - Surkatti, Riham

N1 - Funding Information: The authors would like to acknowledge the financial support provided by the Japan Cooperation Center, Petroleum (JCCP) and the technical support by JX Nippon Research Institute Co., Ltd (JX-NRI). They would also like to thank Manal Abu Alhaija and Abd El-Satar Nour El-Deen for their help with the experimental work.

PY - 2013/11

Y1 - 2013/11

N2 - This study evaluates the characteristics and viability of polyvinyl alcohol (PVA) as a support material for biomass immobilization. PVA gel pellets were prepared by iterative freezing-thawing method using different PVA compositions. The porous structures of the PVA pellets were examined using a Compound Microscope and SEM and revealed that the matrix structure and pore size distribution were affected by PVA composition. Mechanical properties of the PVA gel were characterized to evaluate its integrity as matrices for immobilizing microbial cells and found to be dependent on the PVA mass composition. As the PVA mass % increases the mechanical performance improved. Experiments were also carried out to utilize the prepared gel pellets for the immobilization of Pseudomonas putida and biodegradation of phenol over a long period of time. The results revealed that the capabilities of the biomass to degrade phenol increased with time and depended on the PVA mass content and porous structure.

AB - This study evaluates the characteristics and viability of polyvinyl alcohol (PVA) as a support material for biomass immobilization. PVA gel pellets were prepared by iterative freezing-thawing method using different PVA compositions. The porous structures of the PVA pellets were examined using a Compound Microscope and SEM and revealed that the matrix structure and pore size distribution were affected by PVA composition. Mechanical properties of the PVA gel were characterized to evaluate its integrity as matrices for immobilizing microbial cells and found to be dependent on the PVA mass composition. As the PVA mass % increases the mechanical performance improved. Experiments were also carried out to utilize the prepared gel pellets for the immobilization of Pseudomonas putida and biodegradation of phenol over a long period of time. The results revealed that the capabilities of the biomass to degrade phenol increased with time and depended on the PVA mass content and porous structure.

KW - Biodegradation

KW - Freeze-thaw

KW - Immobilization

KW - Mechanical properties

KW - Phenol

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ER -

Evaluation of the characteristics of polyvinyl alcohol (PVA) as matrices for the immobilization of Pseudomonas putida

Abstract

Keywords

ASJC Scopus subject areas

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