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Invitrogen™ Creatinine Competitive ELISA Kit

Catalog No. EEL159
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96 Tests
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EEL159 96 Tests
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Catalog No. EEL159 Supplier Invitrogen™ Supplier No. EEL159

ELISA

The Creatinine (Cr) ELISA quantitates Cr in serum, plasma and other biological fluids. Principle of the method The Competitive multispecies ELISA research use only kit is designed to quantitatively measure Creatinine (Cr) independent of species. A Cr standard is provided to generate a standard curve for the assay and all samples are read off a user generated standard curve.Standards or diluted samples are pipetted into a coated microtiter plate and Biotinylated Detection Ab specific to Cr is added. Excess conjugate and unbound sample or standard are washed from the plate, and Avidin conjugated to Horseradish Peroxidase (HRP) is added to each well and incubated. Then a TMB substrate solution is added to each well. The enzyme substrate reaction is terminated by the addition of stop solution and the color change is measured on a microplate reader. The concentration of Cr in the samples is then determined by comparing the OD of the samples to the standard curve. Rigorous validation: Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation. For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

Creatinine is a nitrogenous waste molecule generated from muscle metabolism and is predominantly filtered through the kidneys to be excreted in urine. Although not directly encoded by a gene itself, its levels are significant for assessing kidney function, with serum creatinine being a key biomarker in nephrology. Creatinine evaluation serves as a primary tool for estimating the glomerular filtration rate (eGFR), offering an indirect measure of renal performance. Despite its prevalence in medical diagnostics, creatinine measurement has notable limitations due to its susceptibility to variations influenced by factors such as muscle mass, diet, age, and ethnicity, making it less reliable under certain conditions. Advanced methods now incorporate cystatin C alongside creatinine to enhance equation accuracy for eGFR estimations and mitigate racial biases in clinical settings. The metabolism of creatinine and its physiological significance underscores its utility as a cost-effective, accessible measure for kidney function, despite its shortcomings.

Specifications

Assay Range 1.25-80 μg/mL
Assay Sensitivity 0.75 μg/mL
Conjugate HRP
Immunoassay Kit Format Sandwich ELISA Kit
Product Type ELISA
Sample Type Cell Lysates, Plasma, Serum, Tissue Homogenates
Target Species All Species
For Use With (Equipment) Absorbance Microplate Reader
Interassay CV <10%
Intraassay CV <10%
Kit Contents Pre-coated 96 well plate, Standard, Biotinylated Detection Antibody, HRP Conjugate, Standard & Sample Diluent, Biotinylated Detection Antibody Diluent, HRP Conjugate Diluent, Wash Buffer, TMB Substrate, Stop Solution, Plate Sealer, Standard, Biotinylated Detection Antibody, HRP Conjugate, Standard & Sample Diluent, Biotinylated Detection Antibody Diluent, HRP Conjugate Diluent, Wash Buffer, TMB Substrate, Stop Solution, Plate Sealer
Label or Dye Biotin
Quantity 96 Tests
Regulatory Status RUO
Sample Volume Cell Lysate 50 μL, Plasma 50 μL, Serum 50 μL, Tissue Homogenate 50 μL
Shipping Condition Wet or Dry Ice
Storage Requirements Refer to product documentation for component specific storage temperature.
Target Creatinine
Test Time 1 hr 20 min
Total Assay Time 2 hr 30 min
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