Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for Factory Cheap Portable Hormone Rapid Test Poct Dry Fluorescence Immunoassay Progestrone Analyzer, Teamwork is encouraged at all levels with regular campaigns. Our research team experiments on various developments in the industry for improvement in the products. Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for D-Dimer Test and D-Dimer Blood Test, The credibility is the priority, and the service is the vitality. We promise we have the ability to provide excellent quality and reasonable price products for customers. With us, your safety is guaranteed. 2-hydroxyvitamin D is the main form of vitamin D in vivo. Vitamin D is a steroid derivative, which belongs to fat soluble vitamin. Vitamin D is mainly synthesized by human skin after ultraviolet irradiation, and a small part is taken from food or supplements. Vitamin D not only affects the metabolism of calcium and phosphorus, but also has a wide range of physiological functions. It is an essential substance to maintain human health, cell growth and development, and is closely related to a variety of diseases. There are two forms of vitamin D in human body, vitamin D3 (cholecalciferol) and vitamin D2 (ergocalcitol). 2-Vitamin D is converted into 25 hydroxyvitamin D25- (OH) VD by hydroxylation in liver, and then into active 1, 25- dihydroxyvitamin D in kidney. The level of 25- (OH) VD in blood can reflect the storage level of vitamin D in human body, and it is related to the clinical symptoms of vitamin D deficiency. More and more epidemiological and laboratory evidences show that serum 25- (OH) d level is related to rickets, osteoporosis, Parkinson's disease, cardiovascular disease, hypertension, chronic kidney disease, type 2 diabetes and tumor in children. Therefore, the detection of 25 - (OH) VD is very important for the diagnosis and prevention of related diseases. STORAGE AND STABILITY 1. Store the detector buffer at 2~30℃. The buffer is stable up to 18 months. 2. Store AEHEALTH 25- (OH)VD Rapid Quantitative Test Cassette at 2~30℃, shelf life is up to 18 months. 3. Test Cassette should be used within 1 hour after opening the pack. PERFORMANCE CHARACTERISTICS Detection Limit: 5.0ng/ mL; Linear Range: 5.0-120.0ng/ mL; Linear correlation coefficient R ≥ 0.990; Precision: within batch C.V. is ≤ 15%; between batches C.V. is ≤ 20%; Accuracy: the relative deviation of the measurement results shall not exceed ± 15% when the standardized accuracy calibrator is tested. Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for Factory Cheap China Portable Hormone Rapid Test Poct Dry Fluorescence Immunoassay Progestrone Analyzer, Teamwork is encouraged at all levels with regular campaigns. Our research team experiments on various developments in the industry for improvement in the products. Factory Cheap D-Dimer Test and D-Dimer Blood Test, The credibility is the priority, and the service is the vitality. We promise we have the ability to provide excellent quality and reasonable price products for customers. With us, your safety is guaranteed.