FIGURES Figure 1| H3N2 H3N2 B virus B virus HANA H1N1 BSA PBS H5N3 Parainfluenza Virus HANA H1N1 SDS HANA H3N2 HANA H3N2 SDS Adenovirus H5N3 H1N1 H1N1 SDS HANA B HANA B SDS Hu NP A Hu NP A Tw20 H7N3 H5N1 H7N3 SDS Hu NPB Hu NPB H5N1 SDS Av NPA Av NPA Tw20 SDS SDS SDS Tw20 MAb 2A12 Figure 2| H5N3 H5N3 H7N3 H7N3 Virus B Virus B H5N1 H5N1 H3N2 H3N2 H1N1 H1N1 130 130 130 100 100 70 70 70 55 55 55 A.L. A.L. MDCK cells cells MDCK Adenovirus Adenovirus Kb Kb MAb 33G2 Figure 3| 100 70 70 55 55 40 40 c Kb 170 130 100 70 55 40 H5N3 100 Adenovirus Kb H1N1 25 25 BSA H5N3 Avvirus NPA B H1N1 NPB Hu NPA NPA b AvNPA BSA BSA Av NPA AvNPA MAb 4A11 NPB HuNPA B virus NPB NPB HuNPA Hu NPA Kb NPB BSA NPB NPB NPB NPB NPB Virus B virus B B Virus BVirus Virus B H1N1 H1N1 H1N1 H1N1 H1N1 a Kb Kb Kb Kb Kb 225 225 225 150 150 150 150 150 100 100 100 100 100 75 75 75 75 75 50 50 50 50 50 35 35 35 35 25 35 25 MAb 7G11 MAb 45A1 Figure 4| H3N2 deg H3N2 sub H3N2 170 130 100 70 55 40 35 Adenovirus H7N3 H5N3 H5N1 B sub H1N1 Kb kD kD 100 75 50 MAb 1H11 Supplementary Figure 1 | H3N2 Deg H3N2 Deg Kit H3N2 H3N2 H1N1 Deg Deg Kit H1N1 H1N1 H1N1 H7N3 Deg Deg Kit H7N3 H7N3 H7N3 SUPPLEMENTARY FIGURES Table 1| Immunization regimen. Table 2 | Reactivity of MAbs. Table 3 | Troubleshooting table. Step 13 and 34 Problem Hybridomas Possible reason Contamination can contamination during the collection Solution occur Avoid notching or cutting the feeder and cell gut spleen dissection Avoid touching with scissors or tweezers the fur or any external mouse part 62 Shape and Various spotting size solution different or spotting Optimize array printing surfactant condition by trying different concentrations can affect spotting buffers at different pH spots size, shape and and surface binding properties. 62 “Comet-tails” High shape in the proteins printed array buffer can increase the risk concentration in the by adding different concentration of surfactants. of Print the antigen under printing different concentrations of comet tails caused by excess of unbound material in the spot 74 High background High background caused by Decrease secondary high antibodies antibodies concentration concentration, or prolongation of secondary Decrease time of secondary antibodies incubation antibody incubation. Do a third washing step after removing the gene frames BOX 1 Myeloma cell culture 1. Grow myeloma cells (ATCC P3x63Ag8.653) in complete IMDM/20%FCS at 37°C and 5% CO2. 2. Subculture myeloma cell line every 2 days by splitting in a ratio 1:2 or 1:3. CRITICAL STEP Before adding the cells, it is best to put the fresh medium into a sterile flask and place the flask/medium into the CO2 incubator to warm the medium and to allow the CO2 to "dissolve" in the medium. The cells should be kept in logphase growth. Cell splitting procedure 3. Once cells are semiconfluent, collect medium (containing floating cells) from the flask and store on ice in 50-ml tubes. 4. Wash adherent cells remained in the flasks ones with ice-cold Ca++Mg++ freePBS/1mM EDTA, rinse and throw. 5. Detach adherent cells from the flask bottom by adding 10 ml of ice-cold Ca++Mg++ free-PBS/1mM EDTA solution. 6. Incubate flasks 4-5 min on ice giving to the flask every now and then sharp raps with the palm of your hand, collect the supernatant and add it to the falcon. 7. Centrifuge the cells for 10 minutes x 800g at 4°C. 8. Discard the supernatant and resuspend the pellet beating gently with fingertips on bottom tube and adding fresh incomplete IMDM medium. 9. Split the cells in new flasks containing complete IMDM/20%FCS. Freezing procedure Collect the cells as described in “cell splitting procedure” from point 1 to 6 and resuspend the pellet with 3 or 4 ml of ice-cold 90% FCS/10 % DMSO. Spilt the cell suspension in cold criovials. Use a freezing container to allow a slow freezing of cells at -80°C for 1 night and then move samples in liquid nitrogen.