Academic Journal
Ultrathin, elastic, and self-adhesive nanofiber bio-tape: An intraoperative drug-loading module for ureteral stents with localized and controlled drug delivery properties for customized therapy
| Title: | Ultrathin, elastic, and self-adhesive nanofiber bio-tape: An intraoperative drug-loading module for ureteral stents with localized and controlled drug delivery properties for customized therapy |
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| Authors: | Liheng Gao, Mingxi Xu, Wenshuo Zhao, Ting Zou, Fujun Wang, Jun Da, Yiwei Wang, Lu Wang |
| Source: | Bioactive Materials, Vol 18, Iss , Pp 128-137 (2022) |
| Publisher Information: | KeAi Communications Co., Ltd., 2022. |
| Publication Year: | 2022 |
| Collection: | LCC:Materials of engineering and construction. Mechanics of materials LCC:Biology (General) |
| Subject Terms: | Intraoperative drug delivery, Customized therapy, Ureteral stent, Urinary tract infection, Materials of engineering and construction. Mechanics of materials, TA401-492, Biology (General), QH301-705.5 |
| More Details: | During the postoperative management of urinary diseases, oral or intravenous administration of drugs and implanting ureteral stents are usually required, making localized drug delivery by ureteral stent a precise and effective medication strategy. In the traditional drug loading method, the drug was premixed in the implants in production lines and the versatility of drugs was restricted. However, the complex situation in the urinary system fails the possibility of finding a “one fits all” medication plan, and the intraoperative drug-loading of implants is highly desired to support customized therapy. Here, we designed an ultrathin (8 μm), elastic, and self-adhesive nanofiber bio-tape (NFBT) that can easily encapsulate drugs on the stent surface for controllable localized drug delivery. The NFBT exhibited high binding strength to a ureteral stent, a sustained release over 7 d in PBS for hydrophilic drug, and a zero-order release curve over 28 days for the hydrophobic drug nitrofurantoin (NFT). Further in vivo experiments using a porcine ureteral tract infection model demonstrated that NFBT loaded with NFT could significantly reduce the bacterial concentration in urine. The total amount of NFT delivered by the NFBT was about 2.68 wt% of the recommended dose for the systemic administration. |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 2452-199X |
| Relation: | http://www.sciencedirect.com/science/article/pii/S2452199X22001414; https://doaj.org/toc/2452-199X |
| DOI: | 10.1016/j.bioactmat.2022.03.025 |
| Access URL: | https://doaj.org/article/85d0f11dab304ac3a5764be51ff010cf |
| Accession Number: | edsdoj.85d0f11dab304ac3a5764be51ff010cf |
| Database: | Directory of Open Access Journals |
| ISSN: | 2452199X |
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| DOI: | 10.1016/j.bioactmat.2022.03.025 |
| Published in: | Bioactive Materials |
| Language: | English |