Samples were directly sprayed onto aluminium foil. A small square (~1 × 1 cm) was cut from the foil and mounted onto an aluminium stub (TAAB Laboratories, Aldermaston, UK) with carbon-coated double-side adhesive tape, prior to sputter coating with gold for 60 s (10 nm gold layer) using a Quorum Q150RS sputter coater (Quorum Technologies, Laughton, UK). The coated samples were then analysed using a Phenom Benchtop SEM (ThermoFisher, Eindhoven, Netherlands) with applied voltage of 10 kV. The size of the particles was determined using the Image J software version 1.53c (National Institutes of Health, Bethesda, MD, USA). For each formulation the size of 100 particles from three different frames each was determined. The size distributions were plotted using Prism version 8.4.0 (GraphPad Software, San Diego, CA, USA).
Aluminium stub
Manufactured by TAAB
Sourced in United Kingdom
The Aluminium stub is a cylindrical platform used to mount and support samples in various imaging and analytical techniques. It provides a stable and conductive surface for the specimens during sample preparation and examination.
Automatically generated - may contain errors
2 protocols using aluminium stub
1
Scanning Electron Microscopy of Particles
2
Scanning Electron Microscopy of Fibrous Mats
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A sample of approximately 0.5 cm × 0.5 cm was cut from each fibre mat, mounted onto an aluminium stub (TAAB Laboratories, UK) with carbon-coated adhesive tabs, and sputtercoated with 20 nm gold for 5 minutes (Q150R coater, Quorum, UK) in an argon atmosphere.
Analysis was performed with a cerium hexaboride thermionic filament scanning electron microscope (Phenom Pro, Thermo, Netherlands) connected to a secondary electron detector.
The size of the fibres was calculated using ImageJ software version 1.52a (National Institutes of Health, USA) with a minimum sample size of 100, from three SEM images. The size distribution curves were prepared using Prism software version 8.4.2 (GraphPad, USA).
Analysis was performed with a cerium hexaboride thermionic filament scanning electron microscope (Phenom Pro, Thermo, Netherlands) connected to a secondary electron detector.
The size of the fibres was calculated using ImageJ software version 1.52a (National Institutes of Health, USA) with a minimum sample size of 100, from three SEM images. The size distribution curves were prepared using Prism software version 8.4.2 (GraphPad, USA).
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