2. Academic Validation
  3. Thermosensitive black phosphorus hydrogel loaded with silver sulfadiazine promotes skin wound healing

Thermosensitive black phosphorus hydrogel loaded with silver sulfadiazine promotes skin wound healing

  • J Nanobiotechnology. 2023 Sep 15;21(1):330. doi: 10.1186/s12951-023-02054-3.
Jie Zhou 1,  Tianjiao Li 1,  Meili Zhang 1,  Bo Han 1,  Tao Xia 2,  Shuangshuang Ni 2,  Zhiyong Liu 3,  Zhenyang Chen 4,  Xing Tian 5 6
Affiliations

Affiliations

  • 1 Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China.
  • 2 Sinopharm Xinjiang Pharmaceutical Co. LTD, Urumqi, 830032, China.
  • 3 College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, China. lzyongclin@sina.com.
  • 4 Sinopharm Xinjiang Pharmaceutical Co. LTD, Urumqi, 830032, China. 8809358@qq.com.
  • 5 Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China. tianxingdeyoujian@163.com.
  • 6 Sinopharm Xinjiang Pharmaceutical Co. LTD, Urumqi, 830032, China. tianxingdeyoujian@163.com.
PMID: 37715259 DOI: 10.1186/s12951-023-02054-3
Abstract

Wounds can lead to skin and soft tissue damage and their improper management may lead to the growth of pathogenic bacteria at the site of injury. Identifying better ways to promote wound healing is a major unmet need and biomedical Materials with the ability to promote wound healing are urgently needed. Here, we report a thermosensitive black phosphorus hydrogel composed of black phosphorus nano-loaded drug silver sulfadiazine (SSD) and chitosan thermosensitive hydrogel for wound healing. The hydrogel has temperature-sensitive properties and enables the continuous release of SSD under near-infrared irradiation to achieve synergistic photothermal and Antibacterial treatment. Additionally, it exerts Antibacterial effects on Staphylococcus aureus. In a rat skin injury model, it promotes collagen deposition, boosts neovascularization, and suppresses inflammatory markers. In summary, the excellent thermosensitivity, biocompatibility, and wound-healing-promoting qualities of the reported thermosensitive hydrogel make it suitable as an ideal wound dressing in the clinic.

Keywords

Antibacterial; Black phosphorus nanosheet; Near-infrared light; Temperature sensitive hydrogel; Wound healing.

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