Sentence examples for serum samples were kept from inspiring English sources

Serum samples were kept acidic (pH approximately of 3.5) and sample preparation consisted of a solid phase extraction (SPE) procedure with HLB OASIS® cartridges using a methylene chloride/2-propanol/methanol mixture solution to recover epirubicin.

The serum samples were kept at −20°C until analysis.

All serum samples were kept at −80°C until use.

Serum samples were kept at −70°C until analysis.

All the serum samples were kept at −80°C prior to extraction.

All serum samples were kept frozen at −70°C until the assay.

The pH for different blood serum samples was kept constant during the measurements.

The serum and urine samples were kept at −80°C if they were not analyzed immediately.

The serum and urine samples were kept at −80°C if not analyzed immediately.

Serum and plasma samples were kept in a GDM biobank collection.

The serum and plasma samples were kept at −80°C until biochemical analysis.