Modification of the DuPont aca as exemplified by a new procedure for neonatal total bilirubin.

A spectrometric version of the total bilirubin determination with the Du Pont ACA with respect to neonatal sera.

A spectrometric modification of the determination of total bilirubin with the Du Pont ACA is described. Accuracy, precision and standardization problems are discussed in comparison with the earlier published diazo modification, as well as other techniques well known in the field of neonatal chemistry.

The Value of Bilicheck® as a Screening Tool for Neonatal Jaundice in the South of Iran

The gold standard to assess jaundice in neonates is the serum bilirubin measurement. Blood sampling for the determination of total serum bilirubin (TSB) is painful for newborns and stressful for parents. The Bilicheck®, a new transcutaneous bilirubinometer, is considered as a more accurate measurement of bilirubin compared to the previous bilirubinometers courtesy of its advanced technology. Th...

Reflections on the standardization of total bilirubin in neonatal serum.

A study is described on the standardization of the determination of neonatal total bilirubin. A wide variation in results was shown in surveys held in The Netherlands and Germany and the reasons for this variation were sought. The suitability of commercial bilirubin standards and direct reading instruments, widely used in the neonatal field, was tested by comparing all measurements with those o...

Normal range for glucose in urine: age-related changes.

The Du Pont aca “NBIL” test (Du Pont Instruments, Wilmington, DE 19898) also measures bilirubin spectrophotometrically. Figure 2 shows an approximate linear relationship between “apparent” biliburin concentration, as measured with the Bilirubin Stat-Analyzer and the aca NBIL test, vs Liposyn concentration in a neonatal serum sample. This sample without added Liposyn gave identical total bilirub...

Use of N-(l-naphthyl)-ethylendiamine-dihydrochloride (NEDD) as secondary calibrator for conjugated bilirubin on the DuPont aca