To purify the amplification products, extract each reaction once with phenol/chloroform/isoamyl alcohol (25: 24:1, v/v/v) and then with chloroform/isoamyl alcohol (29:1, v/v) and recover the DNA ...
Background: Rising use of sunscreen products has led to increased reporting of adverse reactions to sunscreens. Objective: To investigate possible photoallergic reactions in patients who ...