Related Experiment Video
Updated: May 9, 2026
10:16
Optical Control of Living Cells Electrical Activity by Conjugated Polymers
Published on: January 28, 2016
Surface modification of mammalian cells with stimuli-responsive polymers
Yasuhiko Iwasaki1, Mizuki Sakiyama, Shuetsu Fujii
1yasu.bmt@kansai-u.ac.jp
Chemical Communications (Cambridge, England)
|July 26, 2013
Summary
Researchers immobilized poly(N-isopropyl acrylamide) on mammalian cells, enabling temperature-controlled cellular functions and aggregation. This advancement allows for novel applications in cell manipulation and separation technologies.
Area of Science:
- Biotechnology
- Cell Biology
- Materials Science
Background:
- Mammalian cells lack inherent mechanisms for external functional control under ambient conditions.
- Developing methods for controllable cellular behavior is crucial for advanced biological applications.
Purpose of the Study:
- To introduce externally controllable functions into mammalian cells using temperature-responsive polymers.
- To demonstrate the regulation of cellular aggregation and separation via temperature changes.
Main Methods:
- Immobilization of poly(N-isopropyl acrylamide) (PNIPAM) onto the surface of mammalian cells.
- Utilizing temperature shifts to modulate PNIPAM's properties and induce cellular responses.
- Performing separation of PNIPAM-conjugated glycoproteins.
Main Results:
- Successful immobilization of PNIPAM on mammalian cells.
- Demonstrated temperature-dependent regulation of cellular aggregation.
- Achieved successful separation of PNIPAM-conjugated glycoproteins.
Conclusions:
- PNIPAM immobilization provides a viable strategy for introducing controllable functions into mammalian cells.
- Temperature-responsive cell surface modification enables precise control over cellular aggregation and separation.
- This approach offers potential for novel biotechnological tools and therapeutic strategies.
