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Product

STANDARD i

STANDARD i is catalogued from public product materials published by SD Biosensor, Inc. Availability: not published on this record. Regulatory status is manufacturer-reported and has not been independently verified. Confirm intended use, compatibility and local registration against official documentation before procurement.

Controls

Product

STANDARD M

STANDARD M is catalogued from public product materials published by SD Biosensor, Inc. Availability: not published on this record. Regulatory status is manufacturer-reported and has not been independently verified. Confirm intended use, compatibility and local registration against official documentation before procurement.

Controls

Tests

25-OH Vitamin D

The main circulating form of vitamin D and the standard measure of vitamin D status.

For everyone & professionals

Indicators

25-OH Vitamin D

The main circulating vitamin D metabolite — the standard measure of vitamin D status.

Article

An Internal-Standard-Integrated Digital SERS Immunoassay for Accurate and Precise Trace-Level Cytokine Quantification in Plasma.

Research record from Anal Chem, 2026-10-01. PMID 42937349.

Glossary Term

Calibration

The act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument.

Performance Metrics

Glossary Term

Calibrator Device

An instrument designed to measure the size of an opening or one used to increase the diameter of an opening; can also refer to a standard or reference material used to set the operating parameters of an instrument.

Performance Metrics

Article