A method for deinterlacing a picture is disclosed. 1 to 40 percent by weight of a polycarboxylic acid or a polycarboxylate. The ligation phase utilizes a ligation detection reaction between one oligonucleotide probe, which has a target sequence-specific portion and an addressable array-specific portion, and a second oligonucleotide probe, having a target sequence-specific portion and a detectable label.