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Lactate and pyruvate concentrations in capillary blood from newborns.

Acta paediatrica (Oslo, Norway : 1992) (1994-09-01)
J Nielsen, L M Ytrebø, O Borud
ABSTRACT

Using high pressure liquid chromatography on strong cation exchange column, we analyzed capillary blood from 141 healthy full-term newborns for lactate and pyruvate concentrations. Total range of lactate was 367-3245 mumol/l and reference interval (mean +/- 2 SD) was 260-2212 mumol/l. Total range of pyruvate was 10-141 mumol/l and reference interval (10th/90th percentile) was 12-71 mumol/l.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
L-(+)-Lactic acid solution, ~40% in H2O
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L-(+)-Lactic acid solution, meets analytical specification of Ph. Eur., BP, 88-92% total acid basis
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L-(+)-Lactic acid solution, 30% in H2O (by weight)
Supelco
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L-(+)-Lactic acid, 80%
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Pyruvic acid, natural, ≥95%, FG
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Pyruvic acid, ≥97%, FG
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L-(+)-Lactic acid, ≥98%
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L-(+)-Lactic acid, BioXtra, ≥98% (titration)