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US 12,599,571 B2Granted
Method for preparing polydopamine nanomotor using urease, and use of same
AssigneePostech Research and Business Development Foundation
InventorsSei Kwang Hahn, Hyun Sik Choi, Sang Baie Shin
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Abstract
The present invention relates to a biocompatible polydopamine nanomotor capable of infiltrating a bladder wall in a biological environment and remaining inside a bladder for a long time.
Claims10
A polydopamine nanomotor, comprising:
- a hollow core;
- and a shell containing polydopamine,
- wherein the polydopamine is bound to urease, and
- the urease generates a gas in the presence of urea to induce self-propulsion of the nanomotor,
- wherein the polydopamine nanomotor has a size of 800 to 1,500 nm, and wherein the shell has a thickness of 10 to 30 nm.
2 more elements
Dependencies are inferred from the claim text.