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Related Concept Videos

X-ray Diffraction of Biological Samples01:10

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X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
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The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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Tailoring Fibre Structure Enabled by X-ray Analytics for Targeted Biomedical Applications.

Jean Schoeller1,2, Jonathan Avaro3, Anjani K Maurya4,5

  • 1Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, 9014 St. Gallen, Switzerland. Jean.Schoeller@empa.ch.

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|December 9, 2023
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Summary

Advanced polymeric fibers for biomedical uses are optimized using X-ray analytics. This non-destructive approach characterizes multiscale structures, enhancing material design and quality control for applications like drug delivery and tissue engineering.

Keywords:
FibresFunctionalityNano-structureX-ray multi-modalities

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Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Analytical Chemistry

Background:

  • Growing demand for advanced polymeric fibers in biomedical applications (drug delivery, sensors, tissue engineering).
  • Understanding multiscale structures (molecular to millimeter) is crucial for functional polymer development.
  • X-ray-based techniques offer non-destructive analysis of these complex structures.

Purpose of the Study:

  • To demonstrate the use of X-ray multimodalities for characterizing functionalized polymeric fibers.
  • To optimize the design and fabrication process of advanced fibrous materials.
  • To showcase a collaborative approach between materials science and X-ray analytics.

Main Methods:

  • Utilizing X-ray imaging, scattering, and diffraction techniques.
  • Analyzing morphology, molecular structure, nano-domain characteristics, crystallinity, and orientation.
  • Investigating materials under non-ambient conditions (temperature, mechanical load, humidity).

Main Results:

  • Successful characterization of multiscale structures in functionalized polymeric fibers.
  • Demonstrated optimization of fabrication processes through X-ray analytics.
  • Validated the effectiveness of X-ray multimodalities for quality control.

Conclusions:

  • X-ray analytics is essential for designing and optimizing advanced polymeric fibers for biomedical applications.
  • The integrated approach enables precise control over material properties and performance.
  • Collaboration between specialized labs accelerates innovation in functional materials.