{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["005:18"], "contactPoint": {"fn": "Byrdwell, William", "hasEmail": "mailto:Craig.Byrdwell@usda.gov"}, "description": "<p dir=\"ltr\">[Note: Title updated 2024-04-23]</p><p dir=\"ltr\">Liquid chromatography-mass spectrometry (LC-MS) experiment data files for bovine milk lipid extracts, standards, and blanks, in mzML format. For use with \"An Open-Source R-Based Workflow for Qualitative and Quantitative Lipidomics of Bovine Milk\". Chromatography used a fast (10 minute) non-aqueous reversed-phase UHPLC separation. MS analysis was performed on a ThermoScientific QExactive Orbitrap high-resolution, accurate-mass mass spectrometer operated in electrospray ionization (ESI) mode.</p><p dir=\"ltr\">Resources in this dataset:</p><ul><li>Resource Title: Bovine Milk Data acquired 06/10/21 File Name: ByrdwellData_Milk_061021.zip Resource Description: Sequence of runs containing 10 Blanks, 30 Standards (6 Levels x 5 replicates), and 48 Bovine Milk extracts, as follows: 2 Cows, 3 feeding periods, 2 days (samples) per feeding period, 4 replicates for 24 samples per cow x 2 cows. 88 runs (separate data files) altogether. All files originally in proprietary .RAW format converted to .mzML. Data obtained on ThermoScientific QExactive orbitrap high-resolution, accurate-mass mass spectrometer.</li></ul><p></p>", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://ndownloader.figshare.com/files/43379037", "format": "zip", "mediaType": "application/zip", "title": "ByrdwellData_Milk_061021.zip"}], "identifier": "10.15482/USDA.ADC/1529615", "keyword": ["ARS", "Bovine Milk", "ESI-MS", "LC-MS", "Lipidomics", "Lipids", "NP107", "Orbitrap", "Triacylglycerols", "UHPLC", "data.gov"], "license": "https://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-11-21", "programCode": ["005:040"], "publisher": {"@type": "org:Organization", "name": "Agricultural Research Service"}, "spatial": "{\"type\": \"Point\", \"coordinates\": [-76.875599969873, 39.03524593744]}", "temporal": "2021-06-10/2021-06-11", "title": "Data from: An Interactive R-Based Custom Quantification Program for Quantitative Analysis of Triacylglycerols in Bovine Milk"}