New Nano-Capsules Deliver Long-Term Hydrogen Therapy for Cell Protection
Magnesium Particles Coated with Mesoporous Nanoshells as Sustainable Therapeutic-Hydrogen Suppliers to Scavenge Continuously Generated Hydroxyl Radicals in Long Term
Research hubs: Oxidative Stress
This research was done on cells or tissue in a lab, not in people or animals.

- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Lei Kong, Chuanrui Chen, Fangzhi Mou, Yizheng Feng, Ming You, Yixia Yin, Jianguo Guan
- Journal
- Particle & Particle Systems Characterization
- Year
- 2018
- Study Type
- Cell Culture
- Delivery
- Gas (Sustained Release)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 33 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Scientists have created special tiny particles that can safely produce hydrogen in the body for a long time, which helps to protect cells from harmful molecules.
Key Finding
Magnesium particles with mesoporous shells can sustain hydrogen release in physiological conditions for extended periods, providing long-term protection against oxidative damage in cell cultures.
Summary
Researchers created tiny magnesium particles coated with a porous shell that slowly release hydrogen gas when exposed to body fluids. In laboratory cell tests, these particles continuously generated hydrogen over a long period, which helped protect cells from damage caused by harmful molecules called hydroxyl radicals. The thickness of the coating could be adjusted to control how fast the hydrogen was released.
Practical Takeaway
This is early-stage laboratory research in cells only, not human studies. While the sustained-release approach addresses a limitation of previous hydrogen therapies, it remains a proof-of-concept technology. Much more research—including animal and human studies—would be needed before any therapeutic use could be considered.
Abstract (excerpt)
AbstractSustainable supplementation of massive molecular‐H2 is considered to be the most effective therapy for long‐term elimination of excessive hydroxyl radicals (·OH) in vivo, but has not been achieved so far. In this work, it is demonstrated that magnesium microparticles (Mg MPs) coated…