Defining the Healthy Infant Metabolome: Liquid Chromatography Tandem-Mass Spectrometry Analysis of Dried Blood Spot Extracts from the Prospective Research on Early Determinants of Illness and Children's Health Trajectories Birth Cohort Study

William S. Schleif, Robert S. Harlan, Frances Hamblin, Ernest K. Amankwah, Neil A. Goldenberg, Raquel G. Hernandez, Sara B. Johnson, Shannon Reed, David R. Graham

Research output: Contribution to journalArticlepeer-review

Abstract

Newborn screening using dried plasma spots offers preanalytical advantages over conventional cards for plasma-associated targets of interest. Herein we present dried plasma spot–based methods for measuring metabolites using a 250+ compound liquid chromatography tandem mass spectrometry library. Quality assurance reduced this library to 134, and from these, 30 compounds determined the normal newborn reference ranges.

Original languageEnglish (US)
Pages (from-to)251-256.e4
JournalJournal of Pediatrics
Volume241
DOIs
StatePublished - Feb 2022

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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