• High Vitamin D Serum Quick View
    • Sale!
      High Vitamin D Serum Quick View
    • High Vitamin D Serum
    • $775.00 $475.00
    • Catalog #: S2010004 Human serum containing high levels of vitamin D (~ 200 ng/mL of total 25-OH vitamin D) as assayed by most commercial 25-OH vitamin D assays, including LC-MS/MS. This product is useful for the research and development of 25-OH vitamin D calibrators and controls. This product is liquid stable for several years when stored at 2-8°C. Live Enquiry…
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  • Low Vitamin D Serum Quick View
    • Sale!
      Low Vitamin D Serum Quick View
    • Low Vitamin D Serum
    • $475.00 $275.00
    • Catalog #: S2010005 Human serum containing low levels of 25-OH vitamin D (~ 20 ng/mL of total 25-OH vitamin D) as assayed by most commercial 25-OH vitamin D assays, including LC-MS/MS. This product is useful for the dilution of vitamin D specimen and or the research and development of 25-OH vitamin D calibrators and controls. This product is liquid stable…
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  • Rheumatoid Factor Quick View
    • Rheumatoid Factor Quick View
    • Rheumatoid Factor
    • $195.00
    • Catalog #: S2010001 Rheumatoid factor (RF) is a collection of autoimmune antibodies that target the Fc region of immunoglobulins G (IgG). RF is the first series of antibodies that was found in Rheumatoid Arthritis (RA). Rheumatoid Factor (catalog #S2010002) consists of human plasma containing an extremely high level of RF (>1900 IU/mL). This product can be used to test the…
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  • Rheumatoid Factor Diluent Quick View
    • Rheumatoid Factor Diluent Quick View
    • Rheumatoid Factor Diluent
    • $195.00
    • Catalog #: S2010002 Rheumatoid factor (RF) is a collection of autoimmune antibodies that target the Fc region of immunoglobulins G (IgG). RF is the first series of antibodies that was found in Rheumatoid Arthritis (RA). Rheumatoid Factor Diluent (catalog #S2010002) consists of human plasma containing undetectable levels of RF (~ 0 IU/mL). This product can be used to test the…
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  • Vitamin D Depleted Serum Quick View
    • Sale!
      Vitamin D Depleted Serum Quick View
    • Vitamin D Depleted Serum
    • $575.00 $375.00
    • Catalog #: S2010003 Human serum containing undetectable levels (< 2 ng/mL) of 25-OH vitamin D (either 25-OH vitamin D2 or 25-OH vitamin D3) as assayed by most commercial assays, including LC-MS/MS. This product is useful for the dilution of 25-OH vitamin D specimen and or the research and development of 25-OH vitamin D calibrators and controls. This product is liquid…
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