Metal Nanoparticles Could Improve Hydrogen Therapy Delivery
- Authors
- Yu Wang, Haoyu Wang, Handan Zhang, Tao Liu, Xin Chen
- Journal
- Nanoscale
- Year
- 2025
- DOI
- 10.1039/d5nr00271k
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Oxidative Stress Disorders
- Body System
- Immune System
TL;DR
Scientists found that tiny metal particles could be used to deliver hydrogen gas to sick parts of your body, where it acts like a cleanup crew to reduce inflammation and damage—this is exciting because it could help treat diseases better than just using hydrogen gas alone.
Key Finding
Metal-based micro/nanomaterials can overcome hydrogen's poor water solubility and non-targeted diffusion by serving as controlled storage and delivery platforms, potentially enhancing therapeutic effects across oxidative stress-related, inflammatory, tumor, and infectious diseases.
Summary
This review article examines how tiny metal-based materials (smaller than a grain of sand) can be used to deliver hydrogen therapy more effectively to the body. Hydrogen has been studied for its potential to reduce harmful molecules called reactive oxygen species, which are linked to inflammation and disease. The main challenge is that hydrogen doesn't dissolve well in water and spreads randomly through the body. Metal-based nanomaterials could solve this by storing hydrogen and releasing it in targeted ways, potentially improving treatment of diseases related to inflammation, oxidative stress (cellular damage), tumors, and infections.
Practical Takeaway
This is a review article summarizing research directions rather than reporting new experimental results, and no human trials were conducted. While the concept of using nanomaterials to deliver hydrogen therapy shows theoretical promise, this review does not provide evidence from human studies. Anyone interested in hydrogen therapy should await results from actual clinical trials before drawing conclusions about real-world effectiveness.
Abstract
Hydrogen therapy, as an emerging and promising therapeutic strategy, utilizes the ability of hydrogen to selectively scavenge reactive oxygen species, exerting biological effects such as antioxidant, anti-inflammatory, anti-tumor and antibacterial, and showing significant therapeutic effects on many oxidative stress/inflammatory related diseases, and consequently has attracted extensive attention for clinical/preclinical studies. However, low water solubility and non-targeted diffusion of hydrogen limit its application in the treatment of many diseases. Metal-based micro/nanomaterials, serving as effective hydrogen storage and production platforms, represent ideal candidates for enhancing hydrogen delivery efficiency and achieving targeted hydrogen release. This review comprehensively explores the hydrogen release mechanisms, synthesis methods, and biomedical applications of hydrogen-releasing metal-based micro/nanomaterials. Furthermore, the challenges and limitations of metal-based micro/nanomaterials for hydrogen therapy are discussed, while providing forward-looking recommendations for future research and development directions in this field.