Table 1.

The combinations of the constituents in the lubricants.

Model Fluid Constituents
1	PBS	—	—	—	—
2	PBS	Albumin	—	—	—
3	PBS	—	γ-globulin	—	—
4	PBS	Albumin	γ-globulin	—	—
5	PBS	Albumin	—	Hyaluronic acid	—
6	PBS	—	γ-globulin	Hyaluronic acid	—
7	PBS	Albumin	γ-globulin	Hyaluronic acid	—
8	PBS	Albumin	—	—	Phospholipids
9	PBS	—	γ-globulin	—	Phospholipids
10	PBS	Albumin	γ-globulin	—	Phospholipids
11	PBS	Albumin	—	Hyaluronic acid	Phospholipids
12	PBS	—	γ-globulin	Hyaluronic acid	Phospholipids
13	PBS	Albumin	γ-globulin	Hyaluronic acid	Phospholipids