Table 1. Antigene PNA sequences targeting highly conserved sequences in the NS gene of swine-origin influenza A/H1N1 and the HA gene of human pathogenic influenza A/H3N2.

	PNA sequence (N to C)	Mass
		Calcd.	Found
	Anti-H1N1(NS) PNA
PNA 1	H-(Lys)3-AEEA-CCTTCTCTTCCAGGA-Lys-(AEEA)2-Lys-NH2	4682.14	4682.18
PNA 2	H-(Lys)3-TCTCTTCC-AEEA-CCTTCTCTTCCAGGA-Lys-(AEEA)2-Lys-NH2	7136.88	7137.13
PNA 3	H-(Lys)3-TCTCTTCC-AZO-CCTTCTCTTCCAGGA-Lys-(AEEA)2-Lys-NH2	7275.09	7299.75
PNA 4	H-(Lys)3-TCTATTCC-AZO-CCTTATCTTCAAGGA-Lys-(AEEA)2-Lys-NH2	7347.15	7378.55
	Anti-H3N2(HA) PNA
PNA 5	H-(Lys)3-TTCCCTCC-AEEA-CCTCCCTTAGGTCAC-Lys-(AEEA)2-Lys-NH2	7106.98	7106.27
PNA 6	H-(Lys)3- TTCCCTCC-AZO-CCTCCCTTAGGTCAC-Lys-(AEEA)2-Lys-NH2	7245.19	7246.93

AEEA: 2-aminoethoxy-2-ethoxy acetic acid, AZO: thioazobenzene, Lys: lysine.