|4135880||Folate assay with ion exchange resin bound-free separation|
Improved competitive binding serum folate assay in which serum folate bound by folate-selective protein is separated from free serum folate by removal with an anion exchanger, preferably intermediate base anion exchange resin. Preferable are resins charac...
|4015939||Competitive binding thyroid assay with improved bound-free separation step|
Improved competitive binding thyroid hormone assay in which thyroid hormone bound by thyroid binding protein is separated from free thyroid hormone by removal with an intermediate base anion exchange resin. Typical are resins characterized by having an al...