Figure 2. 1D-SDS–PAGE of coomassie stained
proteins. Lane 1 is the molecular weight marker. Lane 2 is 20 μg of
total protein that was precipitated from tear film collected by
capillary. Lane 3 is 20 μg of total protein that was precipitated from
tear film collected by Schirmer strip. The observed bands are labeled
1−11.