XRD Analysis of 5FU-loaded PU Films

XRD was carried out on solvent cast 5FU-loaded and blank PU films, and pure 5FU powder, using a Panalytical Empyrean X-ray diffractometer (Malvern Panalytical Ltd, Malvern, Worcestershire, UK) operating at 40 mA and 40 kV with Cu Kα radiation (λ = 1.541874 Å). The analysis was conducted at a 6° take-off angle and the samples were scanned over the 2θ range of 5° to 40° with a step size and step time of 0.026° and 179.52 s, respectively. The corresponding interlayer distances or d-spacing values were calculated from the XRD experimental parameters using Bragg’s equation [41 (link),42 (link),43 (link)].

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Arafat M., Fouladian P., Wignall A., Song Y., Parikh A., Albrecht H., Prestidge C.A., Garg S, & Blencowe A. (2020). Development and In Vitro Evaluation of 5-Fluorouracil-Eluting Stents for the Treatment of Colorectal Cancer and Cancer-Related Obstruction. Pharmaceutics, 13(1), 17.

Publication 2020

Empyrean X-ray diffractometer

Cast Powder Radiation Solvent X ray

Corresponding Organization : University of South Australia

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Variable analysis

independent variables

Presence of 5FU (5FU-loaded PU films vs. blank PU films)

dependent variables

X-ray diffraction patterns (2θ range, peak positions, and d-spacing values)

control variables

X-ray diffractometer parameters (40 mA, 40 kV, Cu Kα radiation, 6° take-off angle)
Scanning parameters (2θ range: 5° to 40°, step size: 0.026°, step time: 179.52 s)

controls

Pure 5FU powder as a reference sample

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