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Table 5 Stability of pre-coated immunostick test

From: Immunostick Test for Detecting ζ-Globin Chains and Screening of the Southeast Asian α-Thalassemia 1 Deletion

Time of storage Normal hemolysates dilution 1:500 Hb Bart’s hydrops fetalis hemolysates
containing 0.25 μg/mL ζ-globin containing 0.5 μg/mL ζ-globin
Test paddle Internal control paddles Test paddle Internal control paddles Test paddle Internal control paddles
Positive control Negative control Positive control Negative control Positive control Negative control
Isotype matched control Uncoat control Isotype matched control Uncoat cotrol Isotype matched control Uncoat control
Day 1 Nc DBb N N LBa DB N N DB DB N N
Week 1 N DB N N LB DB N N DB DB N N
Week 5 N DB N N LB DB N N DB DB N N
Week 10 N DB N N LB DB N N DB DB N N
Week 15 N DB N N LB DB N N DB DB N N
Week 20 N DB N N LB DB N N DB DB N N
  1. aLight blue: Weakly positive reactivity
  2. bDark blue: Strongly positive reactivity
  3. cNo color: Negative reactivity