LGC Maine Standards, Cumberland Foreside, Maine, has released the Validate vitamin D linearity and calibration verification kit for Abbott Architect analyzers. The kit, in a human serum matrix, evaluates vitamin D and offers six distinct concentrations covering the reportable range of Architect analyzers. Each kit is liquid and ready-to-use. Users dispense the product from each dropper bottle directly into six sample cups, and run in replicates. For more information, visit LGC Maine Standards.