{"1":{"study_id":"ST000076","study_title":"A549 Cell Study","institute":"University of Kentucky","analysis_id":"AN000121","analysis_type":"MS","units":"normalized corrected Peak area","num_metabolites":"2383","details":"FTMS negative ion mode","species":"Homo sapiens"},"2":{"study_id":"ST000076","study_title":"A549 Cell Study","institute":"University of Kentucky","analysis_id":"AN000122","analysis_type":"MS","units":"Peak area","num_metabolites":"250","details":"GCMS positive ion mode","species":"Homo sapiens"}}