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  • Title: Immunoferritin location of carbamoyl phosphate synthetase in rat liver.
    Author: Knecht E, Hernández J, Wallace R, Grisolía S.
    Journal: J Histochem Cytochem; 1979 May; 27(5):975-81. PubMed ID: 90072.
    Abstract:
    Experiments were carried out to locate carbamoyl phosphate synthetase (CPS) in rat liver by direct immunoferritin labeling. By using Epon sections treated with sodium methoxide, homogenates or mitochondrial and mitoplast fractions, carbamoyl phosphate synthetase was found homogeneously distributed in the mitochondrial matrix. Immunoferritin was detected with high resolution which permits the identification of individual molecules. Measurements were made of the number of ferritin particles per square micron of mitochondrial surface, providing a novel and independent assessment of the carbamoyl phosphate synthetase concentration.
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