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Product Info Summary
| SKU: | EK1472-RB |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Rabbit |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, serum and plasma (heparin, EDTA). |
Product info
Product Name
Rabbit SFRP5 ELISA Kit PicoKine®
SKU/Catalog Number
EK1472-RB
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Rabbit SFRP5 ELISA Kit PicoKine® (96 Tests). Quantitate Rabbit SFRP5 in cell culture supernatants, serum and plasma (heparin, EDTA). Sensitivity: 15pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.
Storage & Handling
Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)
Cite This Product
Rabbit SFRP5 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1472-RB)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: CHO; Immunogen sequence: E30-H317
Sensitivity
<15 pg/ml
Assay Range
156 pg/ml - 10,000 pg/ml
Standard Dilution Instructions
See datasheet of EK1472-RB for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK1472-RB is reactive to SFRP5 in Rabbit samples
Validated Sample Types
cell culture supernatants, serum and plasma (heparin, EDTA).
Application Guarantee
EK1472-RB is guaranteed for ELISA in Rabbit by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of sFRP-5
Secreted frizzled-related protein 5 is a protein that in humans is encoded by the SFRP5 gene. SFRP5 is a member of the SFRP family that contains a cysteine-rich domain homologous to the putative Wnt-binding site of Frizzled proteins. SFRPs act as soluble modulators of Wnt signaling. SFRP5 and SFRP1 may be involved in determining the polarity of photoreceptor cells in the retina. SFRP5 is highly expressed in the retinal pigment epithelium, and moderately expressed in the pancreas.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK1472-RB-CAP | Anti-Rabbit SFRP5 Pre-coated 96-well strip microplate | 1 |
| EK1472-RB-ST | Rabbit SFRP5 Standard | 2 vials, 10 ng/tube |
| EK1472-RB-DA | Rabbit SFRP5 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.
- Incubator.
- 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.
Data Examples, Quality Control Data
Validation Standard Curve O.D. At 450nm
| Concentration (pg/ml) | 0 | 156 | 312 | 625 | 125000 | 25000 | 5000 | 10000 |
| O.D. | 0.056 | 0.168 | 0.294 | 0.516 | 0.953 | 1.487 | 1.912 | 2.189 |
Data Example Images
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Rabbit SFRP5 PicoKine ELISA Kit standard curve
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Rabbit SFRP5 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 Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 16 | 16 | 16 | 24 | 24 | 24 |
| Mean (pg/ml) | 749 | 2783 | 6025 | 877 | 2948 | 7356 |
| Standard deviation | 53.93 | 178.11 | 439.82 | 74.54 | 256.47 | 698.82 |
| CV (%) | 7.2 | 6.4 | 7.3 | 8.5 | 8.7 | 9.5 |
Protein Target Info & Infographic
Gene/Protein Information For SFRP5 (Source: Uniprot.Org, NCBI)
Gene Name
SFRP5
Full Name
Secreted frizzled-related protein 5
Weight
35563 MW
Superfamily
secreted frizzled-related protein (sFRP) family
Alternative Names
Secreted frizzled-related protein 5;sFRP-5;Frizzled-related protein 1b;FRP-1b;Secreted apoptosis-related protein 3;SARP-3;SFRP5;FRP1B, SARP3; SFRP5 SARP3 secreted frizzled related protein 5 secreted frizzled-related protein 5|FRP-1b|SARP-3|frizzled-related protein 1b|sFRP-5|secreted apoptosis related protein 3
*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 SFRP5, check out the SFRP5 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 SFRP5: 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].
Specific Publications For Rabbit SFRP5 ELISA Kit PicoKine® (EK1472-RB)
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Customer Reviews
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Customer Q&As
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8 Customer Q&As for Rabbit SFRP5 ELISA Kit PicoKine®
Question
Q: which procedure should I follow in order to thaw whole blood sample for sFRP-5 ELISA after freezing?
Verified Customer
Verified customer
Asked: 2020-05-11
Answer
A: we do not recommend freezing 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 sFRP-5 for a later time, you should let the blood clot in glass tubes and collect the serum to freeze for later use.
Boster Scientific Support
Answered: 2020-05-11
Question
Q: if the enzyme conjugated sFRP-5 antibodies are mixed with the substrate, will that convert the substrate into the enzymatic reaction product? Or the enzyme function is only activated when the antibody is attached with the sFRP-5 antigen?
W. King
Verified customer
Asked: 2020-01-29
Answer
A: The enzyme is always active. Avoid contaminating the substrate with enzyme prior to the incubation otherwise it compromises the assay with false positive signal.
Boster Scientific Support
Answered: 2020-01-29
Question
Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for measurement sFRP-5 using the EK1472-RB Rabbit sFRP-5 Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2019-10-10
Answer
A: Boster Bio does not evaluate sample stability. Variations in sample collection, processing, and storage may affect the stabilityof samples. It is recommend to assay sample on-stat collection when possible, or aliquot into single use volumes and store samples frozen. limit repetitive freeze-thaw cycles with the stored samples in order to prevent protein degradation.
Boster Scientific Support
Answered: 2019-10-10
Question
Q: is there any online tool I can use to streamline the data analysis for my ELISA results?
Verified Customer
Verified customer
Asked: 2019-10-06
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: 2019-10-06
Question
Q: Can sFRP-5 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?
Verified Customer
Verified customer
Asked: 2019-09-30
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 suitable for other sample types than we have tested: it means further investigation is needed. 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 view 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: 2019-09-30
Question
Q: is it okay to use citrate plasma as samples in Rabbit sFRP-5 Picokine® ELISA Kit (Catalog # EK1472-RB)?
Verified Customer
Verified customer
Asked: 2019-09-06
Answer
A: Chelating agents such as EDTA, Heparin and Citrate can sequester metal ions from the functional domain of sFRP-5 causing degradation of its protein structure. sFRP-5 may be denatured as a result and may compromise the assay's measurements. The chilating sites could also be too close to the epitopes required for detection and block the antigen antibody reaction. We have tested the sFRP-5 ELISA, treating samples with various anticoagulants and decided that heparin or EDTA can be used for treatment of blood/plasma samples. Do not use other anticoagulents when collecting samples.
Boster Scientific Support
Answered: 2019-09-06
Question
Q: how are cell lysates prepared for use in Picokine® ELISA kits?
Verified Customer
Verified customer
Asked: 2019-08-22
Answer
A: for those Picokine® ELISAs where cell or tissue lysate is a validated sample type, sample preparation instructions for lysate are included in the product insert. Components in lysate and lysis buffer can affect immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.
Boster Scientific Support
Answered: 2019-08-22
Question
Q: Are Boster Bio recombinant proteins and antibodies sterile?
A. Jackson
Verified customer
Asked: 2018-11-19
Answer
A: although the vials are bottled using aseptic techniques, heat-treated vials, and sterile stock solutions, they are not considered or guaranteed to be sterile. If sterile material is required for an experiment, the material can be filtered through a 0.2 micron filter designed for use with biological fluids.
Boster Scientific Support
Answered: 2018-11-19
