Light-powered citrate bone implants to boost healing
Optoelectroactive citrate biocomposites for bone regeneration
A light-activated implant that slowly releases citrate and gives gentle electrical stimulation to help people with bone injuries heal faster.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Illinois at Urbana-Champaign NIH-funded |
| Lab location | 1 site (Champaign, United States) |
| Project ID | NIH-11385575 on NIH RePORTER |
What this research studies
This project is developing biodegradable bone implants that combine a controlled citrate release with tiny light-driven electrical stimulators to encourage bone-forming cells to work harder. The implant uses micro "solar" cell pellets that are activated by external light to provide local, untethered electrical signals while the material releases citrate at a controlled rate. Researchers will test how the combined chemical and electrical signals affect stem cells that become bone and will refine the materials to match bone healing needs. Early work is focused on lab and animal testing to prove safety and how well the implants support bone repair.
Who could benefit from this research
Good fit: Ideal candidates would be people with bone defects or fractures that heal poorly or need enhanced bone repair, such as non-unions or large bone loss from injury or surgery.
Not a fit: People without bone repair needs or those with active bone infection, very poor blood supply to the area, or medical conditions that prevent implant placement may not benefit from this approach.
Why it matters
Potential benefit: If successful, these implants could speed bone healing, improve bone strength, reduce pain, and lower the need for repeat surgeries.
How similar studies have performed: Lab and animal studies of electrical stimulation and biomaterials for bone have shown promise, but combining light-powered stimulators with controlled citrate release is a new approach that has not yet been proven in humans.
Where this research is happening
Champaign, United States
- University of Illinois at Urbana-Champaign — Champaign, United States (Active)
Researchers
- Principal investigator: Yu, Cunjiang — University of Illinois at Urbana-Champaign
- Study coordinator: Yu, Cunjiang
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.