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Product Info Summary
| SKU: | EK1401 |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Mouse |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). |
Product info
Product Name
Mouse Chordin ELISA Kit PicoKine®
SKU/Catalog Number
EK1401
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Mouse Chordin ELISA Kit PicoKine® (96 Tests). Quantitate Mouse Chrd in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/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
Mouse Chordin ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1401)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: NS0; Immunogen sequence: T27-S948
Sensitivity
<10 pg/ml
Assay Range
62.5 pg/ml - 4,000 pg/ml
Standard Dilution Instructions
See datasheet of EK1401 for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK1401 is reactive to Chrd in Mouse samples
Validated Sample Types
cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA).
Application Guarantee
EK1401 is guaranteed for ELISA in Mouse by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of Chordin
Chordin is a key developmental protein that dorsalizes early vertebrate embryonic tissues by binding to ventralizing TGF-beta-like bone morphogenetic proteins (BMPs) and sequestering them in latent complexes. In mice, Chordin is expressed in the node but not in the anterior visceral endoderm. It has been found to be required for forebrain development. In developing mice that are deficient in both chordin and noggin, the head is nearly absent. This is significant because when only noggin is deficient there are mild defects but the head still forms. Chordin is also involved in avian gastrulation. It is expressed in the anterior cells of Koller's sickle, which form the anterior cells of the primitive streak, a key structure through which gastrulation occurs.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK1401-CAP | Anti-Mouse Chrd Pre-coated 96-well strip microplate | 1 |
| EK1401-ST | Mouse Chrd Standard | 2 vials, 10 ng/tube |
| EK1401-DA | Mouse Chrd 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 & Sample Dilution
Validation Standard Curve O.D. At 450nm
| Concentration (pg/ml) | 0 | 62.5 | 125 | 250 | 500 | 1000 | 2000 | 4000 |
| O.D. | 0.005 | 0.074 | 0.144 | 0.267 | 0.556 | 0.966 | 1.492 | 1.992 |
Data Example Images
Click image to see more details
Mouse Chordin PicoKine ELISA Kit standard curve
Recommended Sample Dilution Ratios
According to our internal validation assays using this ELISA kit, to detect Chordin, Dilution ratio of 1:1, concentration in serum and plasma is around 2 ng/ml..
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Mouse Chordin 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) | 133 | 550 | 1939 | 139 | 561 | 1941 |
| Standard deviation | 10.37 | 34.65 | 81.43 | 12.78 | 44.31 | 100.93 |
| CV (%) | 7.8% | 7.9% | 4.2% | 9.2% | 7.9% | 5.2% |
Reproducibility
We ensure reproducibility by testing three samples with differing concentrations of Chordin in ELISA kits from four different production batches/lots.
| Lots | Lot 1 (pg/ml) | Lot 2 (pg/ml) | Lot 3 (pg/ml) | Lot 4 (pg/ml) | Mean (pg/ml) | Standard Deviation | CV (%) |
|---|---|---|---|---|---|---|---|
| Sample 1 | 133 | 127 | 123 | 117 | 125 | 5.83 | 4.6% |
| Sample 2 | 550 | 511 | 538 | 492 | 522 | 22.68 | 4.3% |
| Sample 3 | 1939 | 2055 | 1756 | 1997 | 1936 | 112.12 | 5.7% |
Protein Target Info & Infographic
Gene/Protein Information For Chrd (Source: Uniprot.Org, NCBI)
Gene Name
Chrd
Full Name
Chordin
Weight
101513 MW
Superfamily
chordin family
Alternative Names
Chordin;Chrd; CHRD chordin chordin
*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 Chrd, check out the Chrd 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 Chrd: 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 Mouse Chordin ELISA Kit PicoKine® (EK1401)
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Customer Reviews
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Customer Q&As
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7 Customer Q&As for Mouse Chordin ELISA Kit PicoKine®
Question
Q: Can Chordin ELISA Kits be used with tissue homogenates (or other non-validated sample types)?
S. Dhawan
Verified customer
Asked: 2019-12-20
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 a must. 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: 2019-12-20
Question
Q: What is the optimal O.D. value for Chordin ELISA kit? I performed your Chordin 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. is it safe to say these samples contain Chordin even though the O.D. values are not very high?
Verified Customer
Verified customer
Asked: 2019-11-08
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. what you should focus on is whether your sample O.D. values are statistically significantly higher than your blank values. considering 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 changeing 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 Chordin ELISA kit to have sensitivity of 10pg/ml, that means the minimum amount of Chordin that can be declared/interpreted as positive by the above standard is 10pg/ml.
Boster Scientific Support
Answered: 2019-11-08
Question
Q: can I use citrate plasma as samples in Mouse Chordin Picokine® ELISA Kit (Catalog # EK1401)?
R. Wang
Verified customer
Asked: 2019-10-10
Answer
A: Chelating agents such as EDTA, Heparin and Citrate can irreversibly bind metal ions from the functional domain of Chordin causing degradation of its protein structure. Chordin may be denatured as a result and may compromise the assay's measurements. The chilating sites could also be too close to the epitopes a must for detection and block the antigen antibody reaction. We have tested the Chordin 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: 2019-10-10
Question
Q: for how much duration can samples (cell cultures, serum, and plasma) be stored and still be stable for quantification Chordin using the EK1401 Mouse Chordin Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2019-08-07
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 immediately after collection when possible, or aliquot into single use volumes and store samples frozen. avoid repeat freeze-thaw cycles with the stored samples to prevent protein degradation.
Boster Scientific Support
Answered: 2019-08-07
Question
Q: if the enzyme conjugated Chordin antibodies are mixed with the substrate, will that change the substrate into the enzymatic reaction product? Or the enzyme function is only activated when the antibody is attached with the Chordin antigen?
Verified Customer
Verified customer
Asked: 2019-04-14
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: 2019-04-14
Question
Q: Are Boster Bio recombinant proteins and antibodies sterile?
J. Babu
Verified customer
Asked: 2018-06-21
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: 2018-06-21
Question
Q: how do I analyze ELISA data? I measured Chordin level in cell lysates.
Verified Customer
Verified customer
Asked: 2016-01-19
Answer
A: please read this article on ELISA data analysis. bosterbio.com/ELISA-data-analysis-instructions. Boster also provides a free tool that you can use to analyze ELISA data. bosterbio.com/biology-research-tools/ELISA-data-analysis-online
Boster Scientific Support
Answered: 2016-01-19
