parent_sample_id lab_id preparation_protocol_doi dataset_type analyte_class is_targeted acquisition_instrument_vendor acquisition_instrument_model source_storage_duration_value source_storage_duration_unit time_since_acquisition_instrument_calibration_value time_since_acquisition_instrument_calibration_unit contributors_path data_path ms_ionization_technique ms_scan_mode mass_analysis_polarity mass_to_charge_range_low_value mass_to_charge_range_high_value mass_resolving_power mass_to_charge_resolving_power ion_mobility matrix_deposition_method preparation_instrument_vendor preparation_instrument_model preparation_matrix analysis_protocol_doi metadata_schema_id MALDI 2e35434f-e6ed-4e01-a54a-189ec0706a3d