Abstract: Disclosed are a gastrointestinal tract ultrasonic examination aided developer and a preparation method therefor. The aided developer is mainly composed of a thickener, an osmotic pressure regulator, a solid contrast, a defoamer and a flavoring agent, wherein a density of the solid contrast is the same as that of aided developer liquid. The present disclosure adopts the solid contrast with a special particle size, making a distribution area present a more obvious homogeneous high echo after the aided developer reaches the stomach and intestine, and a good aided developing effect is achieved.

Abstract: Provided are a double-component gastric ultrasound examination aided developer and a preparation method therefor, belonging to the technical field of medicine imaging diagnosis. The aided developer consists of two components, wherein component A consists of functionalized silica particles, a defoamer, sodium alginate, citric acid and water, and component B is a calcium chloride solution.

Abstract: The present application belongs to the field of biopharmaceutical technology and particularly relates to a drug-loaded ganglioside micelle and a method for preparing and use thereof. The present application provides a use of GM1 or a derivative thereof as a carrier material of nano drug delivery system. The blood brain barrier is a key barrier to intracranial drug delivery. The nano drug delivery system provides a powerful tool for non-invasive intracranial combined administration and has important clinical significance. Without introducing other carrier materials, long-circulating modifying materials and nerve repair drugs, the drug-loaded ganglioside micelle prepared by using GM1 or a derivative thereof as a carrier material of nano drug delivery system can achieve nerve injury repair and intracranial combined administration by penetrating the blood-brain barrier.

Abstract: A method of using a device for conducting a vascular hemodynamic bionic cell experiment is provided, the method comprises: firstly, experiment preparation; and secondly, experiment operation, namely, switching on a peristaltic pump, pumping a circulation liquid from a collection bottle into an independently corresponding shunting chamber of a corresponding shunting bottle through a collection bottle sampling tube of an independent chamber of a collection bottle, after shunting by the shunting chamber of the shunting bottle, the circulation liquid flowing out of a branch shunting tube flows to a corresponding flow chamber on the 1-3 flow chamber platforms placed side by side, and then converging the circulation liquid to a corresponding independent chamber of the collection bottle through respective sampling tubes of the flow chamber platforms.

Abstract: A method of using a device for conducting a vascular hemodynamic bionic cell experiment is provided, the method comprises: firstly, experiment preparation; and secondly, experiment operation, namely, switching on a peristaltic pump, pumping a circulation liquid from a collection bottle into an independently corresponding shunting chamber of a corresponding shunting bottle through a collection bottle sampling tube of an independent chamber of a collection bottle, after shunting by the shunting chamber of the shunting bottle, the circulation liquid flowing out of a branch shunting tube flows to a corresponding flow chamber on the 1-3 flow chamber platforms placed side by side, and then converging the circulation liquid to a corresponding independent chamber of the collection bottle through respective sampling tubes of the flow chamber platforms.