Generalized Indirect Fourier Transformation As a Valuable Tool for the Structural Characterization of Aqueous Nanocrystalline Cellulose Suspensions by Small Angle X-ray Scattering

Overview

Journal Langmuir

Publisher American Chemical Society

Specialty Chemistry

Date 2013 Feb 23

PMID 23428094

Citations 4

Authors

Heike M A Ehmann

Stefan Spirk

Ales Doliska

Tamilselvan Mohan

Walter Gossler

Volker Ribitsch

Majda Sfiligoj-Smole

Karin Stana-Kleinschek

Affiliations

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Abstract

Small angle X-ray scattering (SAXS) is employed to characterize the inner structure and shape of aqueous nanocrystalline cellulose suspensions using the generalized indirect Fourier transformation (GIFT). The use of the GIFT approach provides a single fitting procedure for the determination of intra- and interparticle interactions due to a simultaneous treatment of the form factor P(q) and the structure factor S(q). Moreover, GIFT allows for the determination of particle charges and polydispersity indices. As test material, aqueous nanocrystalline cellulose suspensions (aNCS) prepared by the H2SO4 route have been investigated and characterized (SAXS, dynamic light scattering, zeta potential).

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