In-situ Growth of Biocidal AgCl Crystals in the Top Layer of Asymmetric Polytriazole Membranes

Luis Francisco Villalobos; Stefan Chisca; Hong Cheng; Pei-Ying Hong; Suzana Pereira Nunes; Klaus-Viktor Peinemann

doi:10.1039/C6RA08090A

In-situ Growth of Biocidal AgCl Crystals in the Top Layer of Asymmetric Polytriazole Membranes

Luis Francisco Villalobos, Stefan Chisca, Hong Cheng, Pei-Ying Hong, Suzana Pereira Nunes, Klaus-Viktor Peinemann

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

11 Scopus citations

Abstract

Scalable fabrication strategies to concentrate biocidal materials in only the surface of membranes are highly desirable. In this letter, tight-UF polytriazole membranes with a high concentration of biocide silver chloride (AgCl) crystals dispersed in only their top layer are presented. They were made following a simple dual-bath process that is compatible with current commercial membrane casting facilities. These membranes can achieve a 150-fold increase in their antimicrobial character compared to their silver-free counterpart. Moreover, fine-tuning of their properties is straightforward. A change in the silver concentration in one of the baths is enough to tune the permeance, molecular weight cut-off (MWCO) and silver loading of the final membrane.

Original language	English (US)
Pages (from-to)	46696-46701
Number of pages	6
Journal	RSC Adv.
Volume	6
Issue number	52
DOIs	https://doi.org/10.1039/C6RA08090A
State	Published - 2016

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This research was supported by King Abdullah University of Science and
Technology (KAUST). The authors thank Mohamed Nejib Hedhili for his assistance
with the XPS analysis and Maria Peredo Silva for the illustrations in Figure 1.

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10.1039/C6RA08090A

https://repository.kaust.edu.sa/bitstream/10754/609005/1/c6ra08090a.pdf

Cite this

@article{e064f579ce074da5b502f978a611c507,

title = "In-situ Growth of Biocidal AgCl Crystals in the Top Layer of Asymmetric Polytriazole Membranes",

abstract = "Scalable fabrication strategies to concentrate biocidal materials in only the surface of membranes are highly desirable. In this letter, tight-UF polytriazole membranes with a high concentration of biocide silver chloride (AgCl) crystals dispersed in only their top layer are presented. They were made following a simple dual-bath process that is compatible with current commercial membrane casting facilities. These membranes can achieve a 150-fold increase in their antimicrobial character compared to their silver-free counterpart. Moreover, fine-tuning of their properties is straightforward. A change in the silver concentration in one of the baths is enough to tune the permeance, molecular weight cut-off (MWCO) and silver loading of the final membrane.",

author = "Villalobos, {Luis Francisco} and Stefan Chisca and Hong Cheng and Pei-Ying Hong and Nunes, {Suzana Pereira} and Klaus-Viktor Peinemann",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This research was supported by King Abdullah University of Science and Technology (KAUST). The authors thank Mohamed Nejib Hedhili for his assistance with the XPS analysis and Maria Peredo Silva for the illustrations in Figure 1.",

year = "2016",

doi = "10.1039/C6RA08090A",

language = "English (US)",

volume = "6",

pages = "46696--46701",

journal = "RSC Adv.",

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publisher = "Royal Society of Chemistry",

number = "52",

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T1 - In-situ Growth of Biocidal AgCl Crystals in the Top Layer of Asymmetric Polytriazole Membranes

AU - Villalobos, Luis Francisco

AU - Chisca, Stefan

AU - Cheng, Hong

AU - Hong, Pei-Ying

AU - Nunes, Suzana Pereira

AU - Peinemann, Klaus-Viktor

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This research was supported by King Abdullah University of Science and Technology (KAUST). The authors thank Mohamed Nejib Hedhili for his assistance with the XPS analysis and Maria Peredo Silva for the illustrations in Figure 1.

PY - 2016

Y1 - 2016

N2 - Scalable fabrication strategies to concentrate biocidal materials in only the surface of membranes are highly desirable. In this letter, tight-UF polytriazole membranes with a high concentration of biocide silver chloride (AgCl) crystals dispersed in only their top layer are presented. They were made following a simple dual-bath process that is compatible with current commercial membrane casting facilities. These membranes can achieve a 150-fold increase in their antimicrobial character compared to their silver-free counterpart. Moreover, fine-tuning of their properties is straightforward. A change in the silver concentration in one of the baths is enough to tune the permeance, molecular weight cut-off (MWCO) and silver loading of the final membrane.

AB - Scalable fabrication strategies to concentrate biocidal materials in only the surface of membranes are highly desirable. In this letter, tight-UF polytriazole membranes with a high concentration of biocide silver chloride (AgCl) crystals dispersed in only their top layer are presented. They were made following a simple dual-bath process that is compatible with current commercial membrane casting facilities. These membranes can achieve a 150-fold increase in their antimicrobial character compared to their silver-free counterpart. Moreover, fine-tuning of their properties is straightforward. A change in the silver concentration in one of the baths is enough to tune the permeance, molecular weight cut-off (MWCO) and silver loading of the final membrane.

UR - http://hdl.handle.net/10754/609005

UR - http://pubs.rsc.org/en/Content/ArticleLanding/2016/RA/C6RA08090A

UR - http://www.scopus.com/inward/record.url?scp=84971299717&partnerID=8YFLogxK

U2 - 10.1039/C6RA08090A

DO - 10.1039/C6RA08090A

M3 - Article

SN - 2046-2069

VL - 6

SP - 46696

EP - 46701

JO - RSC Adv.

JF - RSC Adv.

IS - 52

ER -

In-situ Growth of Biocidal AgCl Crystals in the Top Layer of Asymmetric Polytriazole Membranes

Abstract

Bibliographical note

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