title: Aminated polyethersulfone-silver nanoparticles (AgNPs-APES) composite membranes with controlled silver ion release for antibacterial and water treatment applications.
abstract: The present study reports the antibacterial disinfection properties of a series of silver nanoparticle (AgNP) immobilized membranes. Initially, polyethersulfone (PES) was functionalized through the introduction of amino groups to form aminated polyethersulfone (NH2-PES, APES). AgNPs were then coordinately immobilized on the surface of the APES composite membrane to form AgNPs-APES. The properties of the obtained membrane were examined by FT-IR, XPS, XRD, TGA, ICP-OES and SEM-EDAX analyses. These structural characterizations revealed that AgNPs ranging from 5 to 40 nm were immobilized on the surface of the polymer membrane. Antibacterial tests of the samples showed that the AgNPs-APES exhibited higher activity than the AgNPs-PES un-functionalized membrane. Generally, the AgNPs-APES 1 cm × 3 cm strip revealed a four times longer life than the un-functionalized AgNPs polymer membranes. The evaluation of the Ag(+) leaching properties of the obtained samples indicated that approximately 30% of the AgNPs could be retained, even after 12 days of operation. Further analysis indicated that silver ion release can be sustained for approximately 25 days. The present study provides a systematic and novel approach to synthesize water treatment membranes with controlled and improved silver (Ag(+)) release to enhance the lifetime of the membranes.
authors.affiliation: Department of Civil and Environmental Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea; Department of Chemical Engineering, University of Gujrat, HH Campus, Punjab, Pakistan.
authors.forename: M Salman
authors.initials: MS
authors.lastname: Haider
authors.affiliation: Department of Chemical Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea; Department of Chemistry, University of Dar es Salaam, Mkwawa College, Iringa, United Republic of Tanzania.
authors.forename: Godlisten N
authors.initials: GN
authors.lastname: Shao
authors.affiliation: Department of Chemical Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea.
authors.forename: S M
authors.initials: SM
authors.lastname: Imran
authors.affiliation: Department of Chemical Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea.
authors.forename: Sung Soo
authors.initials: SS
authors.lastname: Park
authors.affiliation: Department of Chemical Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea.
authors.forename: Nadir
authors.initials: N
authors.lastname: Abbas
authors.affiliation: Department of Chemical Engineering, University of Gujrat, HH Campus, Punjab, Pakistan.
authors.forename: M Suleman
authors.initials: MS
authors.lastname: Tahir
authors.affiliation: Department of Chemical Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea. Electronic address: manwarh@hanyang.ac.kr.
authors.forename: Manwar
authors.initials: M
authors.lastname: Hussain
authors.affiliation: Department of Civil and Environmental Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea.
authors.forename: Wookeun
authors.initials: W
authors.lastname: Bae
authors.affiliation: Department of Chemical Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea. Electronic address: khtaik@yahoo.com.
authors.forename: Hee Taik
authors.initials: HT
authors.lastname: Kim
mesh_terms: D000586:Amination; D000900:Anti-Bacterial Agents / Q000737:chemistry* / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects; D008567:Membranes, Artificial; D053768:Metal Nanoparticles / Q000737:chemistry* / Q000633:toxicity; D056951:Photoelectron Spectroscopy; D011108:Polymers / Q000737:chemistry*; D012834:Silver / Q000737:chemistry*; D017550:Spectroscopy, Fourier Transform Infrared; D013450:Sulfones / Q000737:chemistry*; D013818:Thermogravimetry; D018508:Water Purification; D014961:X-Ray Diffraction
chemical_list: D000900:Anti-Bacterial Agents; D008567:Membranes, Artificial; D011108:Polymers; D013450:Sulfones; C022840:polyether sulfone; D012834:Silver
keywords: Aminated polyethersulfone; Antibacterial activities; Composite membranes; Leaching; Silver nanoparticles