{"1":{"study_id":"ST000010","study_title":"Lung Cancer Cells 4","institute":"University of Michigan","analysis_id":"AN000025","analysis_type":"MS","units":"Peak area","num_metabolites":"250","details":"LC\/Electro-spray \/QTOF positive ion mode","species":"Homo sapiens"},"2":{"study_id":"ST000010","study_title":"Lung Cancer Cells 4","institute":"University of Michigan","analysis_id":"AN000026","analysis_type":"MS","units":"Peak area","num_metabolites":"176","details":"LC\/Electro-spray \/QTOF negative ion mode","species":"Homo sapiens"}}