On the morning of the examination, a blood sample was drawn from the cubital vein, centrifuged to obtain serum. Reproductive hormones (follicle-stimulating hormone, luteinizing hormone, estrogen, testosterone, and prolactin) were measured at the clinical laboratory of The First Affiliated Hospital, College of Medicine, Zhejiang University (Hangzhou, China) using the Beckman Access 2 Immunoassay System (Beckman Coulter Inc., California, US).
Beckman access 2 immunoassay system
Manufactured by Beckman Coulter
Sourced in United States
The Beckman Access 2 Immunoassay System is a fully automated clinical chemistry analyzer designed for the quantitative determination of various analytes in biological samples. The system utilizes immunoassay technology to provide accurate and reliable results.
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Lab products found in correlation
2 protocols using beckman access 2 immunoassay system
1
Serum Reproductive Hormone Analysis
2
Biomarkers of Bone and Mineral Metabolism
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Blood samples were taken from all subjects and routine analyses performed which included full blood count, blood urea, glucose, glycosylated haemoglobin (HbA1c), serum creatinine, albumin, calcium, phosphate and lipid profiles. Other samples for specified analysis including parathyroid hormone (PTH), osteoprotegerin (OPG), receptor activator of nuclear factor kappa B ligand (RANKL) and matrix Gla protein (MGP) were isolated in Z serum sep clot activator VACUTTE® by centrifugation at 2000 g for 15 min at 4°C and stored at −80°C until analysis. Serum levels of PTH were measured using the Beckman Access® 2 immunoassay system (Beckman Coulter, High Wycombe, U.K.). Assays for OPG and RANKL were performed using the automated enzyme-linked immunosorbent assay (ELISA) analyzer, Triturus® (Grifols, Cambridge, U.K.). MGP was measured using the BIOMEDICA GRUPEE Kit (BI-20062). All analyses were performed in duplicate.
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