Abstract: Glycometabolomics-related biomarkers for early diagnosis and prediction of diabetic retinopathy and the application thereof are provided in the present disclosure, belonging to the field of biomarkers. In the present disclosure, tear fluid is used as a biological sample, which is analysed through non-invasive sampling to identify glycometabolomics-related biomarkers that are capable of being used to diagnose and predict the progression of diabetic retinopathy.

Abstract: A sensing mechanism of a two-dimensional airfoil model, which includes pressure sensor groups, multiple first tubes, the second tube, and a cavity. The pressure sensor groups are vertically fixed to mounting holes in the surface of the two-dimensional airfoil model. The pressure measurement surface of each pressure sensor is vertical to the surface of the two-dimensional airfoil model. Multiple mounting holes are opened in and vertical to the surface of the two-dimensional airfoil model. The cavity is fixed to the interior of the two-dimensional airfoil model. The reference pressure end of each pressure sensor is connected to the cavity through the first tube, the multiple pressure sensors of the pressure sensor groups are in one-to-one correspondence with the multiple first tubes. The cavity is connected with the first end of the second tube. The second end of the second tube is located in the air outside the two-dimensional airfoil model.