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1.
Rev. Hosp. Clin. Fac. Med. Univ. Säo Paulo ; 46(2): 59-62, mar.-abr. 1991. ilus, tab
Article in Portuguese | LILACS | ID: lil-108319

ABSTRACT

Foi realizada a dosagem biologica de produtos comerciais de heparina e de amostras do Primeiro Padrao Nacional Argentino de Heparina da mucosa intestinal suina. Os resultados foram comparados com o Quarto Padrao Internacional. Foi empregado o metodo de Reinert e Winterstein, modificado preconizado pelas Farmacopeias Americana e Brasileira. Foram discutidas as metodologias descritas na literatura e indicada a importancia destas para a avaliacao da atividade anticoagulante das heparinas nao-fracionadas e das de baixo peso molecular.


Subject(s)
Animals , Heparin/pharmacology , Binding Sites , Biological Assay , Heparin/chemistry , Molecular Weight , Reference Standards , Sheep/blood , Structure-Activity Relationship , Swine
2.
Rev Hosp Clin Fac Med Sao Paulo ; 46(2): 59-62, 1991.
Article in Portuguese | MEDLINE | ID: mdl-1843369

ABSTRACT

Heparin samples from four manufacturers and the First Argentinian Standard Heparin obtained from porcine mucosa were assayed by the Reinert and Winterstein method, modified as suggested by USP and Brazilian Pharmacopeias. Other methods described in the literature and their importance for the evaluation of anticoagulant activity of unfractionated heparins with low molecular weight are discussed.


Subject(s)
Blood Coagulation/drug effects , Heparin/pharmacology , Animals , Binding Sites , Biological Assay , Heparin/chemistry , Molecular Weight , Reference Standards , Sheep , Structure-Activity Relationship , Swine
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