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Home / ELISA Kit / PharmaTest ELISA Kits

Bevacizumab (Avastin) Pharmacokinetic ELISA

SKU : BHE18300002

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Mfr.No.	EL-1611-021
Detection Range	50ng/ml - 1.56ng/ml
Reactivity	Human, Mouse, Rat
Assay Duration	2.5 hours
Assay Type	Direct, Sandwich
Description	Bevacizumab (Trade name Avastin ) is a recombinant humanized monoclonal antibody that blocks angiogenesis by inhibiting vascular endothelial growth factor A (VEGF-A). VEGF-A stimulates angiogenesis in a variety of diseases, including cancer. Bevacizumab was the first clinically available angiogenesis inhibitor in the United States. Bevacizumab was approved by the U.S. Food and Drug Administration (FDA) for certain metastatic cancers. It received its first approval in 2004, for combined use with standard chemotherapy for metastatic colon cancer. It has since been approved for use in certain lung cancers, renal cancers, ovarian cancers, and glioblastoma multiforme of the brain. It had been approved for breast cancer, but that approval was withdrawn when later studies showed no evidence of effectiveness Reagent preparation Prepare only the appropriate amount of required reagent on the day of use. Store all reagents as per instructions stated on the label. 1. Wash Buffer (1X) Preparation: Dilute wash buffer concentrate with ultra-pure water 1/10 before use (for example add 20mL concentrate to 180mL ultra-pure water). Mix well. 2. Detection Reagent (1X) Preparation: Dilute detection reagent with assay buffer 1/1000 before use (for example add 11ul concentrate to 11ml of assay buffer). Mix well. 3. Preparation of Calibrators: Prepare calibrators with concentrations ranging from 2,500 ng/mL to 78 ng/mL. The following is an example calibrator curve. Results calculation 1. Construct a standard curve by plotting the absorbance obtained from each standard against concentration. Use a 4 or 5 parameter curve fit. Alteatively a log-log curve fit may be used. 2. The concentration of the unknowns can be read directly from this standard curve using the absorbance value for each sample. 3. Any sample undiluted or diluted still reading greater than the highest standard should be diluted appropriately with calibrator diluent and retested. If the samples have been diluted, the concentration determined from the standard curve must be multiplied by the dilution factor. Sample preparation Dilute calibrators and test samples 1/50 with assay buffer (for example add 5uL of prepared calibrator or sample to 245uL of assay buffer). Mix well. Do not store diluted samples.
Detection Method	Peroxidase / OD450
Kit Components	Coated microtiter plate, 96 wells Calibrator diluent. - 1.8ml Calibrator 12ul 10X wash buffer - 25ml Assay buffer - 50ml 1000X detection reagent - 17ul TMB - 12ml TMB stop solution - 12ml Plate sealers - 3
Limit Of Detection	1.5ng/ml
Components	Coated microtiter plate, 96 wells Calibrator diluent. - 1.8ml Calibrator 12ul 10X wash buffer - 25ml Assay buffer - 50ml 1000X detection reagent - 17ul TMB - 12ml TMB stop solution - 12ml Plate sealers - 3
Precision	Intra-assay coefficient of variation (CV) <10%. Inter-assay CV <10%.
Notes	This kit is compatible with EDTA-plasma, heparinplasma and serum samples. Samples can be stored at or below -20°C for up to 1 year.
Usage Notes	Quantification of Bevacizumab in biological matrices
Protocol	The Bevacizumab ELISA kit is designed to measure free Bevacizumab with high specificity and sensitivity. This assay employs the sandwich enzyme immunoassay technique. A precoated anti-Bevacizumab 96 well plate is provided. Calibrator, quality control samples and test samples are pipetted into the appropriate wells. Bevacizumab present in biological matrices is bound by the immobilized capture antibody. After washing away any unbound substances, enzyme linked detection antibody is added to the wells. The plate is washed to remove any unbound antibody-enzyme reagent and a substrate solution is added to the wells for color development. The color development is proportional to the amount of Bevaciuzumab present in test samples and the concentration is calculated from the standard series.

Gene ID	7422

Applications	ELISA

Storage	-20C, 1 year

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SKU	Supplier No.	Size	Your price	Quantity
BHE18300002	EL-1611-021	1X96 wells	$809.99		Add to Cart

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