| abstract |
This hair is related to aqueous formulation, and the aqueous formulation includes at least one active pharmaceutical ingredient；With at least one excipient, wherein when in 100s ‑1 Shear rate and 25 DEG C at a temperature of when measuring, the aqueous formulation has the viscosity of 500 30,000 centipoise；When measuring at ambient conditions, surface tension is not more than 60 dynes/cm；Or when measuring at ambient conditions, the contact angle on medical grade polymer material is 50 ° or bigger.The microneedle array of coating there is disclosed herein coating method and using the aqueous formulation. |