Human Leptin Quantikine ELISA Kit【行情报价价格评测】-企讯网

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Human Leptin Quantikine ELISA Kit Summary

货号：DLP00

Assay Type

Solid Phase Sandwich ELISA

Format

96-well strip plate

Assay Length

3.5 hours

Sample Type & Volume Required Per Well

Cell Culture Supernates (100 uL), Serum (10 uL), EDTA Plasma (10 uL), Heparin Plasma (10 uL), Citrate Plasma (10 uL)

Sensitivity

7.8 pg/mL

Assay Range

15.6 - 1,000 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Citrate Plasma)

Specificity

Natural and recombinant human Leptin

Cross-reactivity

< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.

Interference

Interference observed with 1 or more available related molecules.

Product Summary

The Quantikine Human Leptin Immunoassay is a 3.5 hour solid phase ELISA designed to measure soluble human Leptin in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human Leptin and antibodies raised against the recombinant factor. This immunoassay has been shown to quantitate recombinant Leptin accurately. Results obtained measuring natural human Leptin showed dose-response curves that were parallel to the standard curves obtained using the recombinant Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for natural human Leptin.

Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision

Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision

Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Citrate Plasma

	Intra-Assay Precision			Inter-Assay Precision
Sample	1	2	3	1	2	3
n	20	20	20	40	40	40
Mean	64.5	146	621	65.7	146	581
Standard Deviation	2.14	4.32	20	3.56	6.17	20.6
CV%	3.3	3	3.2	5.4	4.2	3.5

Recovery

The recovery of Leptin spiked to three different levels throughout the range of the assay in various matrices was evaluated.

Sample Type	Average % Recovery	Range %
Cell Culture Media (n=5)	98	94-102
Citrate Plasma (n=5)	95	87-105
EDTA Plasma (n=5)	99	85-112
Heparin Plasma (n=5)	90	81-100
Serum (n=5)	95	89-109

Linearity

To assess the linearity of the assay, cell culture media samples spiked with high concentrations of Leptin and natural serum/plasma samples were diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.

Human Leptin/OB ELISA Linearity