Mouse sTNFsR II ELISA Kit PicoKine™

Mouse sTNFsR II ELISA Kit PicoKine™ (96 Tests). Quantitate Mouse Tnfrsf1b in cell culture supernatants and serum. Sensitivity: 1pg/ml.

Product Info Summary

SKU: EK0531
Size: 96 wells/kit, with removable strips.
Reactive Species: Mouse
Application: ELISA
Sample Types: cell culture supernatants and serum.

Product Name

Mouse sTNFsR II ELISA Kit PicoKine™

See all TNF RII/TNFRSF1B products

SKU/Catalog Number

EK0531

Size

96 wells/kit, with removable strips.

*Question: How many samples can I assay/run in this kit?

Description

Mouse sTNFsR II ELISA Kit PicoKine™ (96 Tests). Quantitate Mouse Tnfrsf1b in cell culture supernatants and serum. Sensitivity: 1pg/ml.

Storage & Handling

Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Shipped with wet ice.)

Cite This Product

Mouse sTNFsR II ELISA Kit PicoKine™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK0531)

Clonality of Antibodies

See Datasheet for details

Immunogen

Expression system for standard: NS0; Immunogen sequence: V23-G258

Sensitivity

<1 pg/ml

Assay Range

15.6 pg/ml - 1,000 pg/ml

Cross Reactivity

There is no detectable cross-reactivity with other relevant proteins.

Reactive Species

EK0531 is reactive to Tnfrsf1b in Mouse samples

Validated Sample Types

cell culture supernatants and serum.

Application Guarantee

EK0531 is guaranteed for ELISA in Mouse by Boster Guarantee

See how Boster Bio validate our ELISA kits: ELISA Validation Information

Kit Components

Catalog Number Description Quantity
EK0531-CAP Anti-Mouse Tnfrsf1b Pre-coated 96-well strip microplate 1
EK0531-ST Mouse Tnfrsf1b Standard 2 vials, 10 ng/tube
EK0531-DA Mouse Tnfrsf1b Biotinylated antibody (100x) 100ul
AR1103 Avidin-Biotin-Peroxidase Complex (100x) 100ul
AR1106-1 Sample Diluent 30ml
AR1106-2 Antibody Diluent 12ml
AR1106-3 Avidin-Biotin-Peroxidase Diluent 12ml
AR1104 Color Developing Reagent (TMB) 10ml
AR1105 Stop Solution 10ml
AR1106-5 Wash Buffer (25x) 20ml
PLA-SEA Adhesive plate sealers 4

*The kit components are not available for individual purchase.

Materials Required But Not Included In Kit

  • Microplate Reader capable of reading absorbance at 450nm.
  • Automated plate washer (optional).
  • Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
  • Multichannel pipettes are recommended for large amount of samples.
  • Deionized or distilled water.
  • 500ml graduated cylinders.
  • Test tubes for dilution.

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Validation Standard Curve O.D. At 450nm

Concentration (pg/ml)015.631.262.51252505001000
O.D.0.0310.0940.1770.3150.5871.0321.7012.469

Data Example Images

Recommended Sample Dilution Ratios

According to our internal validation assays using this ELISA kit, to detect TNF RII/TNFRSF1B, Dilution ratio of 1:20, concentration in serum is around 4ng/ml.

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Mouse sTNFsR II ELISA Kit PicoKine™ within the same batch/lot to ensure the consistency of the kits' performances. ELISA intra assay consistency is measured using wells from the same plate/assay kit. ELISA inter assay consistency is measured using wells from different plates from the same batch production/lot.

Intra-Assay PrecisionInter-Assay Precision
Sample123123
n161616242424
Mean (pg/ml)3326949434273477
Standard deviation2.3717.2134.582.5521.5637.2
CV (%)7.2%6.4%7%7.5%7.9%7.8%

Reproducibility

We ensure reproducibility by testing three samples with differing concentrations of TNF RII/TNFRSF1B in ELISA kits from four different production batches/lots.

LotsLot 1 (pg/ml)Lot 2 (pg/ml)Lot 3 (pg/ml)Lot 4 (pg/ml)Mean (pg/ml)Standard DeviationCV (%)
Sample 133363636351.293.6%
Sample 226925225822725115.46.1%
Sample 349452452046350024.394.8%
*number of samples for each test n=16.

Gene/Protein Information For Tnfrsf1b (Source: Uniprot.Org, NCBI)

Uniprot ID

P25119

Gene ID

21938

Gene Name

Tnfrsf1b

Full Name

Tumor necrosis factor receptor superfamily member 1B

Weight

50.32kDa

Alternative Names

CD120b antigen; CD120b; Etanercept; p75 TNF receptor; p75TBPII; p75TNFR; soluble TNFR1B variant 1; TNF RII; TNFBRp80 TNF-alpha receptor; TNF-R2; TNFR2TNFR1B; TNF-R75; TNFR80; TNFRII; TNF-RII; TNF-R-II; TNFR-II; TNFRSF1B; tumor necrosis factor beta receptor; tumor necrosis factor binding protein 2; Tumor necrosis factor receptor 2; tumor necrosis factor receptor superfamily member 1B; tumor necrosis factor receptor superfamily, member 1B; Tumor necrosis factor receptor type II Tnfrsf1b|CD120b, TN, TNF-, TNF-R, TNF-R-II, TNF-R2, TNF-R75, TNF-a, TNF-alphaR2, TNFBR, TNFR, TNFR80, TNFRII, TNFal, TNFalpha-R2, Tnf, Tnfr-1, Tnfr2, p7, p75|tumor necrosis factor receptor superfamily, member 1b|tumor necrosis factor receptor superfamily member 1B|TNF receptor beta chain|TNF-RII|TNFR-II|p75 TNFR|p80 TNF-alpha receptor|tumor necrosis factor receptor 2|tumor necrosis factor receptor type II

*if product is indicated to react with multiple species, protein info is based on the gene entry specified above in "species".

For more info on Tnfrsf1b, check out the Tnfrsf1b Infographic

Tnfrsf1b infographic

We have 30,000+ of these available, one for each gene! check them out.

In this infographic you will see the following information for Tnfrsf1b: database IDs, super-family, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact us [email protected]

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6 Customer Q&As for Mouse sTNFsR II ELISA Kit PicoKine™

Question

Q: is there any online tool I can use to streamline the data analysis for my ELISA results?

Verified Customer

Verified customer

Asked: 2020-10-29

Answer

A: We have a web based ELISA curve fitting (4pl) and data analysis tool. Please give it a try: bosterbio.com/biology-research-tools/ELISA-data-analysis-online. You can also consult our article on ELISA data analysis: bosterbio.com/ELISA-data-analysis-instructions

Boster Scientific Support

Answered: 2020-10-29

Question

Q: which procedure should I follow in order to thaw whole blood sample for TNF RII ELISA after freezing?

S. Wang

Verified customer

Asked: 2020-10-20

Answer

A: do not freeze and thaw whole blood. erythrocytes are fragile and, if frozen and thawed, will undergo hemolysis rendering the samples useless. To keep your blood samples to test TNF RII for a later time, you should let the blood clot in glass tubes and separate the serum to freeze for later analysis.

Boster Scientific Support

Answered: 2020-10-20

Question

Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for quantification TNF RII using the EK0531 Mouse TNF RII Picokine® ELISA Kit?

Verified Customer

Verified customer

Asked: 2020-04-20

Answer

A: Boster Bio does not evaluate sample stability. Variations in sample collection, processing, and storage may alter the stabilityof samples. It is recommend to assay sample right after collection when possible, or aliquot into single use volumes and store samples frozen. avoid repetitive freeze-thaw cycles with the stored samples to prevent protein degradation.

Boster Scientific Support

Answered: 2020-04-20

Question

Q: What is the optimal O.D. value for TNF RII ELISA kit? I performed your TNF RII ELISA on serum samples. For my positive control, I received an O.D. value of 0.826, while my negative control received a value of 0.136. I obtained both of these controls from the ELISA kit, where your kit's typical data shows O.D. values much higher than my positive control and your background is lower. My samples O.D. values are around 0.225 and the highest is only 0.357. can I consider these samples contain TNF RII even though the O.D. values are not very high?

Verified Customer

Verified customer

Asked: 2020-04-13

Answer

A: The absolute O.D. values may change according to incubation time. The more you incubate the higher the O.D. values are going to be. an important assessment should be is whether your sample O.D. values are statistically significantly higher than your blank values. regarding your assay, you could extend your development time in the substrate incubation step to obtain higher O.D. values, as long as your negative controls' O.D. values are not increasing faster in proportion to your positive controls. typically, a sample with O.D. value 2 standard deviations higher than your negative controls can be considered positive. We calculate the sensitivity of this ELISA kit by converting cutoff O.D. value, calculated as the average of 20 negative controls plus 2 standard deviations of the 20 negative controls, into a concentration. in other words, when we claim this TNF RII ELISA kit to have sensitivity of 1pg/ml, that means the minimum amount of TNF RII that can be declared/interpreted as positive by the above standard is 1pg/ml.

Boster Scientific Support

Answered: 2020-04-13

Question

Q: how are cell lysates prepared for use in Picokine® ELISA kits?

W. Edwards

Verified customer

Asked: 2020-01-16

Answer

A: for those Picokine® ELISAs where cell or tissue lysate is a validated sample type, sample preparation instructions for lysate can be found in the product insert. Components in lysate and lysis buffer can have an affect on immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.

Boster Scientific Support

Answered: 2020-01-16

Question

Q: Can TNF RII ELISA Kits be used with tissue homogenates (or other non-validated sample types)?

Verified Customer

Verified customer

Asked: 2018-12-20

Answer

A: Unfortunately, Boster Bio has not routinely validated tissue homogenates as a sample type for ELISA kits. This does not mean that ELISA kits are not valid for other sample types than we have tested: it means further investigation is required. One will need to perform a spike and recovery study to determine if an unvalidated sample type will work with a particular kit. To perform a spike and recovery experiment, one should divide a sample into two aliquots. In one of the aliquots, the user should spike in a known amount of the kit standard. a dilution series is performed comparing the spiked versus the unspiked sample. Generally, samples with expected recovery and linearity between 80-120% are considered acceptable. This method can be used to validate any sample type that has not been assessd by Boster Bio. for a more detailed spike and recovery protocol, please contact technical support.
Note: acceptable ranges should be determined individually by each laboratory. Additionally, technical support can help determine if a buffer component is not compatible with a given ELISA kit. please check the Citations tab on the product webpage for peer-reviewed papers utilizing a wide range of sample types. We also have an innovator's reward program where if the user validates our ELISA kits in applications or samples previously not validated by Boster Bio or other users, and share such information with us by submit a review, we will reward the user's efforts with a free antibody or ELISA kit from our catalog. Biocompare.com will also give $20 Amazon giftcard as an additional reward, if the review is submitted there as well.

Boster Scientific Support

Answered: 2018-12-20

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