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In Situ Analysis for Protein Corona: from Morphology, Composition, Structure to Dynamic Process.

Shengtao Yu1,2,3, Didar Baimanov1, Zhenzhen Guo1

  • 1CAS Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & Laboratory for Interface and Biology, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China.

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Summary
This summary is machine-generated.

Understanding the protein corona (PC) on nanoparticles (NPs) is key for nanomedicine. In situ analysis methods accurately capture the PC

Keywords:
in situ analysisnanoparticle‐protein interactionnano‐bio interfaceprotein corona

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Area of Science:

  • Nanotechnology
  • Biomedical Engineering
  • Materials Science

Background:

  • The protein corona (PC) forms on nanoparticles (NPs) in biological fluids, critically impacting their behavior in vivo.
  • This biolayer influences NP biodistribution, immune response, cellular uptake, and therapeutic outcomes, vital for nanomedicine development.
  • Conventional methods often disrupt the native PC structure, especially the soft corona (SC), hindering accurate characterization.

Purpose of the Study:

  • To review advancements in in situ analysis techniques for characterizing the nanoparticle protein corona.
  • To highlight methods preserving the native state of the PC for accurate composition, structure, and dynamic analysis.
  • To underscore the importance of real-time, non-disruptive analysis for understanding the nano-bio interface and improving nanomedicine design and safety.

Main Methods:

  • Focuses on in situ techniques that analyze the protein corona without disrupting its native biological context.
  • Includes methods for identifying PC composition, visualizing its structure, and monitoring its dynamic evolution.
  • Emphasizes real-time, non-disruptive analytical approaches.

Main Results:

  • In situ methods provide a more accurate representation of the PC's composition, structure, and dynamics compared to traditional techniques.
  • Advances in these techniques enable better understanding of the nano-bio interface.
  • Real-time, non-disruptive analysis is crucial for accurate characterization.

Conclusions:

  • In situ analysis is essential for accurate characterization of the nanoparticle protein corona, crucial for nanomedicine.
  • Further research is needed to address current challenges and improve standardization in PC analysis methodologies.
  • Improved in situ characterization will enhance the rational design and safety assessment of nanomedicines.