samples_data = sample_titles.zip(sample_types, sample_donation_dates, sample_comments, sample_organism_parts, tissue_and_cell_types, sop_titles, institution_titles, specimen_titles).map do |sample_title, sample_type, sample_donation_date, sample_comment, sample_organism_part, tissue_and_cell_type, sop_title, institution_title, specimen_title|
            {:sample_title => sample_title, :sample_type => sample_type, :sample_donation_date => sample_donation_date, :sample_comment => sample_comment, :sample_organism_part => sample_organism_part,
             :tissue_and_cell_type => tissue_and_cell_type, :sop_title => sop_title, :institution_title => institution_title, :specimen_title => specimen_title}