Biofunctionalized poly (amic) acid membranes for absolute disinfection of drinking water

Idris Yazgan; Nian Du; Robert Congdon; Veronica Okello; Omowunmi A. Sadik

doi:10.1016/j.memsci.2014.07.048

Biofunctionalized poly (amic) acid membranes for absolute disinfection of drinking water

Idris Yazgan, Nian Du, Robert Congdon, Veronica Okello, Omowunmi A. Sadik

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

14 Scopus citations

Abstract

The integration of biological building-blocks with synthetic nanomaterials may permit unprecedented ability to detect, disinfect and completely remove pathogens in water. We hereby described the synthesis of biodegradable, interpenetrating polymeric networks of poly (amic) acid (PAA), glutaraldehyde-derivatized PAA (PAA-GA) and chitosan-modified poly (amic) acid (PAA-CS) using phase-inversion procedures. The characterization data from NMR, FT-IR, SEM and cyclic voltammetry confirmed the successful formation of electroactive, bifunctional, glutaraldehyde-linked PAA membranes. Toxicological, electrochemical and mechanical characterization data showed the successful formation of non-toxic, biodegradable, porous, free-standing and mechanically strong membranes. PAA-GA showed the highest modulus of 568.1. Mpa followed by PAA-CS-GA (495.0. Mpa). The optimized membranes were tested against three of the most common drinking water contaminants, namely Escherichia coli, Citrobacter freundii and Staphylococcus epidermidis with 100% removal achieved using dead end filtration and tangential flow filtration.

Original language	English (US)
Pages (from-to)	261-271
Number of pages	11
Journal	Journal of Membrane Science
Volume	472
DOIs	https://doi.org/10.1016/j.memsci.2014.07.048
State	Published - Jan 1 2015
Externally published	Yes

All Science Journal Classification (ASJC) codes

Biochemistry
General Materials Science
Physical and Theoretical Chemistry
Filtration and Separation

Keywords

Biofunctionalization
Conducting poly (amic) acid membranes
Nanostructured
Sustainability
Tangential flow filtration

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10.1016/j.memsci.2014.07.048

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title = "Biofunctionalized poly (amic) acid membranes for absolute disinfection of drinking water",

abstract = "The integration of biological building-blocks with synthetic nanomaterials may permit unprecedented ability to detect, disinfect and completely remove pathogens in water. We hereby described the synthesis of biodegradable, interpenetrating polymeric networks of poly (amic) acid (PAA), glutaraldehyde-derivatized PAA (PAA-GA) and chitosan-modified poly (amic) acid (PAA-CS) using phase-inversion procedures. The characterization data from NMR, FT-IR, SEM and cyclic voltammetry confirmed the successful formation of electroactive, bifunctional, glutaraldehyde-linked PAA membranes. Toxicological, electrochemical and mechanical characterization data showed the successful formation of non-toxic, biodegradable, porous, free-standing and mechanically strong membranes. PAA-GA showed the highest modulus of 568.1. Mpa followed by PAA-CS-GA (495.0. Mpa). The optimized membranes were tested against three of the most common drinking water contaminants, namely Escherichia coli, Citrobacter freundii and Staphylococcus epidermidis with 100% removal achieved using dead end filtration and tangential flow filtration.",

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author = "Idris Yazgan and Nian Du and Robert Congdon and Veronica Okello and Sadik, {Omowunmi A.}",

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year = "2015",

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doi = "10.1016/j.memsci.2014.07.048",

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T1 - Biofunctionalized poly (amic) acid membranes for absolute disinfection of drinking water

AU - Yazgan, Idris

AU - Du, Nian

AU - Congdon, Robert

AU - Okello, Veronica

AU - Sadik, Omowunmi A.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The integration of biological building-blocks with synthetic nanomaterials may permit unprecedented ability to detect, disinfect and completely remove pathogens in water. We hereby described the synthesis of biodegradable, interpenetrating polymeric networks of poly (amic) acid (PAA), glutaraldehyde-derivatized PAA (PAA-GA) and chitosan-modified poly (amic) acid (PAA-CS) using phase-inversion procedures. The characterization data from NMR, FT-IR, SEM and cyclic voltammetry confirmed the successful formation of electroactive, bifunctional, glutaraldehyde-linked PAA membranes. Toxicological, electrochemical and mechanical characterization data showed the successful formation of non-toxic, biodegradable, porous, free-standing and mechanically strong membranes. PAA-GA showed the highest modulus of 568.1. Mpa followed by PAA-CS-GA (495.0. Mpa). The optimized membranes were tested against three of the most common drinking water contaminants, namely Escherichia coli, Citrobacter freundii and Staphylococcus epidermidis with 100% removal achieved using dead end filtration and tangential flow filtration.

AB - The integration of biological building-blocks with synthetic nanomaterials may permit unprecedented ability to detect, disinfect and completely remove pathogens in water. We hereby described the synthesis of biodegradable, interpenetrating polymeric networks of poly (amic) acid (PAA), glutaraldehyde-derivatized PAA (PAA-GA) and chitosan-modified poly (amic) acid (PAA-CS) using phase-inversion procedures. The characterization data from NMR, FT-IR, SEM and cyclic voltammetry confirmed the successful formation of electroactive, bifunctional, glutaraldehyde-linked PAA membranes. Toxicological, electrochemical and mechanical characterization data showed the successful formation of non-toxic, biodegradable, porous, free-standing and mechanically strong membranes. PAA-GA showed the highest modulus of 568.1. Mpa followed by PAA-CS-GA (495.0. Mpa). The optimized membranes were tested against three of the most common drinking water contaminants, namely Escherichia coli, Citrobacter freundii and Staphylococcus epidermidis with 100% removal achieved using dead end filtration and tangential flow filtration.

KW - Biofunctionalization

KW - Conducting poly (amic) acid membranes

KW - Nanostructured

KW - Sustainability

KW - Tangential flow filtration

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JO - Journal of Membrane Science

JF - Journal of Membrane Science

ER -

Biofunctionalized poly (amic) acid membranes for absolute disinfection of drinking water

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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