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Bovine Creatine Kinase, Muscle (CKM) ELISA Kit

Principle of the Assay

The microtiter plate provided in this kit has been pre-coated with an antibody specific to CKM. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody preparation specific to CKM. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After the TMB substrate solution is added, only those wells that contain CKM, biotin-conjugated antibody, and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution, and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of CKM in the samples is then determined by comparing the O.D. of the samples to the standard curve.


For Use with serum, plasma, and cell culture supernatants. For Research Use Only. Not for use in diagnostic procedures.

Target Information

Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate). Creatine kinase isoenzymes play a central role in energy transduction in tissues with large, fluctuating energy demands, such as skeletal muscle, heart, brain and spermatozoa.

GENE ID 286822
SWISS PROT Q9XSC6
SYNONYMS CK-MM; CKMM; CK3; CK-M; MM-CK; M-CK; Creatine kinase M-type, N-terminally processed


Materials Supplied

Kit Components 96 Wells Quantity/Size
Pre-coated, ready-to-use 96-well strip plate 1 plate
Plate sealer for 96 wells 2
Standard
2 tubes
Diluent buffer 1 bottle
Detection Reagent A 1 bottle
Detection Reagent B 1 bottle
TMB Substrate 1 tube
Stop Solution 1 tube
Wash Buffer (30 ℅ concentrate) 1 tube
Product data sheet 1 copy

Storage

Storage The TMB Substrate, Wash Buffer (30X concentrate), and the Stop Solution should be stored at 4°C upon receipt, while the other items should be stored at -20°C.

Performance Characteristics

REPEATABILITY

Intra-assay Precision (Precision within an assay): 3 samples with low, middle, and high-level CKM were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle, and high-level CKM were tested on 3 different plates, with 8 replicates in each plate.
CV(%) = SD/meanX100

Intra-Assay: CV<10%
Inter-Assay: CV<12%

SENSITIVITY The minimum detectable dose was 4.65U/L.
ASSAY RANGE 12.5-800U/L
SPECIFICITY This assay has high sensitivity and excellent specificity for the detection of CKM.
No significant cross-reactivity or interference between CKM and analogs was observed.
Note:
Limited by current skills and knowledge, it is impossible to perform all possible cross-reactivity detection tests between CKM and all analogs, therefore, cross reactivity may still exist.