Calcium, 4 x 120 ml
- 貨號 Cat. No.
- BQ 011CR
- 規格 Size
- 480 Tests
- 品牌 Brand
- BIOQUANT
Description
For the direct, colorimetric determination of calcium in human serum or urine. More than 99% of body calcium exists in bones and teeth. The remaining 1% is present in blood and soft tissues and serves as a cofactor in blood coagulation, metabolism, and neuromuscular physiology. Serum calcium is present in three different forms: 1) nearly 45% is bound by serum proteins, 2) about 5% is complexed in a non-ionized form and 3) the remaining 50% serum calcium is in an ionic (free) form. It is the physiologically active ionic fraction that is important in terms of biological function. Many factors influence serum calcium levels: hypercalcemia (increased serum calcium) is observed in hyperparathyroidism, hypervitaminosis, sarcoidosis, myeloma, and certain cancers of the bone.
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