Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 23, Pages 19717-19724Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b05584
Keywords
graphene; hyaluronic acid; silver nanoparticle; antibacteria; synergistic therapy
Funding
- National Basic Research Program of China [2012CB720602]
- National Natural Science Foundation of China [21210002, 21303182, 21431007, 21533008]
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Developing methods of decreasing the harm to cell and increasing the antibacterial efficiency is becoming a potential topic of medical treatments. We demonstrated a hyaluronidase-triggered, photothermal platform for killing bacteria based on silver nanopartides (AgNPs), and graphene oxide (GO). The property of the-hyaluronidase.(HAase)-triggered release provided excellent antibacterial activity against Staphylococcus afireus. Upon-illumination of NIR light,, the GO-based nanomaterials locally raised the temperature, resulting in high mortality of bacteria. The HAase- triggered AgNPs releasing approach for antibacterial allows AgNPs to be protected by hyaluronic acid (HA) template without affecting mammalian cells. The nanocomposites provided antibacterial activity against S. aureus while showing low toxicity to mammal cells. In addition, the GO-HA-AgNPs are prepared for in vivo experiments and show excellent antibacterial property in wound disinfection model.
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