7. MOLECULAR BASIS OF HYBRIDIZATION A T C G T A G C AMPLIFICATION (PCR) ( region of interest) FRAGMENTATION DNAse: random cuts Alkaline Phosphatase : 3´ ends free 5´ 5´ 3´ 3´ LABELLING Biotin : Indirect labelling Patient DNA (COMPLEMENTARITY) + HYBRIDIZATION DNAchip With oligos specific to the mutations
8. N M Homozygous donor Heterozygous donor Technical base N N N M M M N N N
9. Experimental procedure DNA-chip design & printing Hybridization optimization SPECIFICATIONS Mutations/SNPs to be analyzed Image Capture and Software development GENOTYPE Oligonucleotide design Multiplex PCR design