About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Bio-Nano Interfaces and Engineering Applications
|
| Presentation Title |
Nano-scale Chemical Variations revealed by Secondary Electron Hyperspectral Imaging and X-Ray Ptycho-tomography |
| Author(s) |
Cornelia Rodenburg |
| On-Site Speaker (Planned) |
Cornelia Rodenburg |
| Abstract Scope |
To fully exploit the opportunities offered by the complexity of cells (algae, bacteria) and natural biomaterials (silks) for bioengineering, both nanostructure and related local changes in chemistry need to be known.
This poses a major challenge to well established surface characterisation techniques as the use of different spectroscopy and imaging techniques results in incompatible depth and lateral spatial resolution.
How otherwise invisible nanoscale-chemical variations on bio surfaces and interfaces can be revealed by Secondary Electron Hyperspectral Imaging (SEHI) in cryo- or room temperature low voltage Scanning Electron Microscopes will be covered.
To access information on nanostructures formed inside multi-length scale hierarchically materials such as silk, the use of X-Ray ptychotomography (XRPT) and electron density maps is presented.
SEHI and XRPT enable new insights/inputs for the modelling of multi-length scale hierarchically materials as demonstrated on silks. Nanoscale changes to algae due to CO2 exposures are also revealed. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Biomaterials, Nanotechnology, Characterization |