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Abstract |
Performance of LC/MS/MS in Analyzing Multiple Amino Acids and Acylcarnitines in Dried Blood Spot of Very Low Birth Weight, Low Birth Weight, and Normal Weight Neonates |
Background: Amino acid (AA) and acylcarnitine (AC) are important biomarkers of protein and fatty acid metabolism. Examining their levels in newborns may reveal multiple inherited metabolic diseases. However, they have rarely been assessed in very low birth weight (VLBW) neonates, low birth weight (LBW) neonates and rarely been compared with normal weight (NW) neonates. The aim of the study was to identify the AA and AC profiles in dried blood spot (DBS) specimens of LBW and VLBW neonates, then compare with NW neonates, and make a contribution to the determination of cutoff values of VLBW and LBW neonates. |