Short Ion-exchange Column Method for the Estimation of Cystine and Methionine

Nature ◽  
1966 ◽  
Vol 209 (5029) ◽  
pp. 1239-1240 ◽  
Author(s):  
O. A. M. LEWIS
Keyword(s):  
Ion Exchange ◽  
Exchange Column ◽  
Column Method ◽  
Ion Exchange Column

A Single Column Method for the Determination of Urinary δ-Aminolevulinic Acid

1969 ◽  
Vol 15 (3) ◽  
pp. 183-189 ◽  
Author(s):  
Mu-Wan Sun ◽  
Edward Stein ◽  
Frances W Gruen
Keyword(s):  
Ion Exchange ◽  
Lead Poisoning ◽  
Aminolevulinic Acid ◽  
Simple Method ◽  
Exchange Column ◽  
Column Method ◽  
Single Column ◽  
Ion Exchange Column

Abstract A simple method for determination of urinary δ-aminolevulinic acid is described. Its advantage over procedures now in use is in the utilization of a single ion-exchange column instead of two ion-exchange columns, with resulting saving of time, labor, and material. The method is accurate and useful in screening for lead poisoning.

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