Development of new integrated Fe3O4NP@tiopronin-PDMS polymers. Further experiments on magneto acoustics – continued optimisation required. Dip coat hydrophone (parylene) with optimised Fe3O4NP@tiopronin-PDMS coating. Test response. Hydrophone experiment led to investigation of achieving PDMS domes on 125 um and 200 um fibres. Range
Sacha Noimark, June 2015: Exploration of new materials for laser-generated ultrasound
Helped developed side facing ultrasound imaging probe. In brief, angled fibre tip, MWCNT gel coating on side, sputter angled end with gold (6 x 90 second cycles), PDMS overcoat system. Synthesise new bactch of tiopronin capped Fe3O4 nanoparticles (susceptible to
Sacha Noimark, April 2015: Optimisation of MWCNT-PDMS coatings on optical fibres
Laser-generated ultrasound study #3: 200 micron fibres: MWCNT + PDMS, 1, 2, …7 dips MWCNTs all with PDMS overcoat. Compare to previous integrated fibre. Study indicates that subsequent dips into MWCNT/xylene solution do not significantly enhance ultrasound generation. Further coatings
Sacha Noimark, Feb 2015: Developing new coating strategies for laser generated ultrasound, using MWCNTs and PDMS
Synthesis of an oleylamine functionalised-pyrene ligand for the functionalisation of multiwalled carbon nanotubes, for dispersion in xylene. Optimisation of nanotube : functionalising ligand to maximise MWCNT dispersion concentration. Optimised MWCNT concentration at 14 mg /mL. Explore different techniques for depositing
Sacha Noimark, March 2015: Further work on developing new coating strategies for laser generated ultrasound and optimisation of MWCNT coatings
Functionalise MWCNTs for dispersion in aqueous solutions. Used CTAB and extensive sonication – optimised MWCNT at 1 mg/mL. Electrospin CTAB-functionalised MWCNTs/ PEO solutions – optimised and achieved thick mesh. Route for alignment of MWCNTs within fibres – fibre diameter <
Sacha Noimark, May 2015: Exploration of new materials for laser-generated ultrasound
Laser-generated ultrasound study #4: 200 micron fibres: MWCNT + PDMS: 4 x 1 dip MWCNT/xylene, 4 x 1 dip MWCNT/xylene/acetone, 2 x integrated fibre. Test for reproducibility. Test fibres against each others. Determined that the fMWCNT xylene coated fibres show