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Adsorption behavior of cellulose and its derivatives for Ag+ in aqueous medium: An AFM and spectroscopy study
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-8909-3554
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-6877-9282
2015 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

Cellulose particles in micro and nano scales has shown excellent potential to adsorb water pollutants such as dyes, pesticides, bacteria and virus, and a wide range of heavy metal ions, including Ag(Ⅰ), U(Ⅱ), Fe(Ⅲ), Cu(Ⅱ), Ni(Ⅱ), Cr(Ⅲ) and Zn(Ⅱ) 1, 2. However, mechanisms of adsorption and desorption the contaminants to/from cellulose micro or nano particles are largely unknown. The aim of the study was to develop fundamental understanding about the interaction and adsorption behavior of silver ions on cellulose surfaces using colloidal probe and spectroscopy techniques. Force interactions between three types of cellulose microspheres viz. native cellulose microspheres (CM), sulfate cellulose microspheres (SCM), phosphate cellulose microspheres (PCM) and silica surface in AgNO3 solution were studied with atomic force microscopy (AFM). The AFM results were further elaborated by extensive spectroscopy investigations.

Place, publisher, year, edition, pages
2015.
National Category
Bio Materials Other Physics Topics
Research subject
Wood and Bionanocomposites; Experimental physics
Identifiers
URN: urn:nbn:se:ltu:diva-32157Local ID: 68dd308f-dd1b-46cc-90bf-33ca40ae39ccOAI: oai:DiVA.org:ltu-32157DiVA, id: diva2:1005391
Conference
EEIGM International Conference on Advanced Materials Research : 11/06/2015 - 12/06/2015
Note
Godkänd; 2015; 20150604 (chuzhu)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Zhu, ChuantaoMathew, Aji p.Dobryden, Illia

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