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P Lustenberger

Publications and source records attributed to P Lustenberger.

5 recordsLinked to original sources

[Autonomic determination of proteins from urine by centrifugal and continuous flow analyses (author's transl)].

A precipitating reagent comprising partially neutralized trichloroacetic acid with magnesium sulfate, sodium dodecyl sulfate and polyethylene glycol is used for automatic determination of proteins from urine by centrifugal analysis and continuous flow analysis. We compare and discuss the results of both methods, their limits of validity and incorporation in an automated laboratory.

Albuminuria

[Analysis of plasma urea by continuous flow method using enzymes].

An automated continuous flow method is described for the assay of plasmatic urea after hydrolysis by urease followed by NH+4 assay with glutamic-deshydrogenase. Precision and accuracy, comparison with chimical diacetyl-monoxim method are studied. The interaction of endogenous NH+4, the cost of the method are calculated.

Autoanalysis

[Automatic dosage of total urinary proteins with centrifugal analyser].

Automatic assay of urinary total proteins on a centrifugal analyser. The assay of urinary proteins is achieved opacimetrically after precipitation by trichloracetic acid. The addition of tensio-active agents lates the initiation of precipitation, helps the formation of a microprecipitate thus hold in suspension. The technique is linear from 0 to 2,5 g/l and for every albumin/globulins ratio between pure albumin and pure globulin.

Albuminuria