2025 MRS Fall Meeting & Exhibit

Symposium SB01-Liquid–Liquid Interfaces for Emerging Biotechnologies

Liquid-liquid biointerfaces, fluid interfaces stabilised by protein and bio-surfactant assemblies, and coacervates, aqueous biphasic complexes, are emerging as critical for a broad range of processes and applications, from biosensing/monitoring to regenerative medicine, biomanufacturing. This growing area is underpinned by recent progress in the characterisation of liquid-liquid interfaces and coacervates, including their mechanical properties using tools such as interfacial rheology and force probe microscopy, as well as their imaging, based on fluorescence and electron microscopy, or ultra-fast atomic force microscopy. The design and engineering of these complex biointerfaces is enabled by an ever growing molecular toolbox, such as block copolymers, engineered proteins, amphiphilic peptides and designer surfactants, allowing the control of self-assembly processes and interface architecture. In addition, associated assemblies can enable the introduction of responsive properties, for example using ferrofluids and liquid metals. Aqueous biphasic interfaces have also attracted significant attention recently owing to their importance in biophysical processes and the design of biomaterials with controlled microstructure. In turn, the versatility of design of corresponding liquid-liquid interfaces and coacervates enables the translation of these systems for applications in biosensing, biomonitoring and ultra-high throughput screening, as well as for biomanufacturing and bioprocessing, for regenerative medicine and diagnostic applications. The proposed symposium will gather leading experts in these fields, and will present emerging concepts of design, as well as applications of coacervate and microdroplet platforms, driving a revolution in biotechnologies.

Topics will include:

  • Fundamentals of Phase Separation in Biological and Synthetic Systems
  • Interfacial mechanics and biophysics
  • Soft matter physico-chemistry and self-assembly at liquid-liquid interfaces
  • Responsive and Functional Liquid-Liquid Biointerfaces
  • Cytomimetic Reactions in Microdroplets
  • Coacervates and Aqueous Biphasic Systems in Biotechnology
  • Artificial Cell Engineering
  • Liquid-Liquid Biointerfaces for Regenerative Medicine

Invited Speakers:

  • Joanna Aizenberg (Wyss Institute, USA)
  • Katsuhiko Ariga (National Institute for Materials Science, Japan)
  • Ray Dagastine (The University of Melbourne, Australia)
  • Eric Dufresne (Cornell University, USA)
  • Ronit Freeman (University of North Carolina, USA)
  • Gerald Fuller (Stanford University, USA)
  • Christine Keating (The Pennsylvania State University, USA)
  • Tuomas Knolwles (University of Cambridge, United Kingdom)
  • Katharina Landfester (Max Planck Institute for Polymer Research, Germany)
  • David Leong (National University of Singapore, Singapore)
  • Pilong Li (Tsinghua University, China)
  • Nan Ma (Freie Universität Berlin, Germany)
  • Jun Nakanishi (National Institute of Materials Science, Japan)
  • Rohit Pappu (Washington University in St Louis, USA)
  • Sarah Perry (University of Massachusetts Amherst, USA)
  • Stefan Salentinig (University of Fribourg, Switzerland)
  • Rebecca Schulman (John Hopkins University, USA)
  • Yi Shen (The University of Sydney, Australia)
  • Stoyan Smoukov (Queen Mary University of London, United Kingdom)
  • Joachim Spatz (Universität Heidelberg, Germany)
  • Kathleen Stebe (University of Pennsylvania, USA)
  • Howard Stone (Princeton University, USA)
  • Matthew Webber (University of Notre Dame, USA)
  • David Weitz (Harvard University, USA)
  • Xin Zhang (Westlake University, China)

Symposium Organizers

Julien Gautrot
Queen Mary University of London
School of Engineering and Materials Science
United Kingdom

Xiaofang Jia
Sun Yat-sen University
School of Pharmaceutical Sciences (Shenzhen)
China

Tiantian Kong
Shenzhen University
China

Anderson Shum
The University of Hong Kong
China

Topics

biological biomaterial biomimetic (assembly) fluid nanoscale polymer protein self-assembly thin film viscoelasticity