Bioinspired Fluorescent Peptidyl Nanoparticles with Rainbow Colors
Jia Kong1, Jiaxing Zhang1, Yuefei Wang1
1State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China.
ACS Applied Materials & Interfaces
|June 17, 2020
Summary
Researchers created a peptidyl rainbow kit (PRK) using non-fluorescent oligopeptides that form colorful, fluorescent nanoparticles. These biocompatible and photostable nanoparticles show potential for biomedical applications.
Area of Science:
- Biomaterials Science
- Supramolecular Chemistry
- Biomedical Engineering
Background:
- Fluorescent proteins (FPs) inspire the development of analogues for biomedical uses.
- Mimicking FP luminous properties is a growing area of research.
Purpose of the Study:
- To develop novel fluorescent nanoparticles from non-fluorescent oligopeptides.
- To explore the potential of these nanoparticles in biomedical applications.
Main Methods:
- Synthesis of oligopeptides (Fc-(X)n; X = F, Y, W, H; n = 1-3).
- Induction of nanoparticle formation and observation of rainbow colors.
- Investigation of photoluminescent properties, potentially linked to aggregation-induced emission (AIE).
Main Results:
- Developed a peptidyl rainbow kit (PRK) encompassing the visible spectrum.
- PRK nanoparticles exhibit fluorescence attributed to AIE, arising from restricted intramolecular motion.
- Oligopeptides demonstrate pH sensitivity, biocompatibility, and photostability.
Conclusions:
- The PRK offers a promising platform for creating multicolor fluorescent nanoparticles.
- AIE mechanism explains the observed photoluminescence.
- PRK's properties make it suitable for diverse biomedical fluorescence applications.
