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Product Info Summary
| SKU: | EK0945-CN |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Canine |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, serum and plasma (heparin, EDTA). |
Product info
Product Name
Dog Canine Endothelin ELISA Kit PicoKine®
SKU/Catalog Number
EK0945-CN
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Dog Canine Endothelin ELISA Kit PicoKine® (96 Tests). Quantitate Dog Endothelin in cell culture supernatants, serum and plasma (heparin, EDTA). Sensitivity: 0.5pg/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
Dog Canine Endothelin ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK0945-CN)
Clonality of Antibodies
See Datasheet for details
Standard Protein
A peptide reflecting the target protein in human. Sequence: C53-W73
Sensitivity
<0.5 pg/ml
Assay Range
3.9 pg/ml - 250 pg/ml
Standard Dilution Instructions
See datasheet of EK0945-CN for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK0945-CN is reactive to Endothelin in Canine samples
Validated Sample Types
cell culture supernatants, serum and plasma (heparin, EDTA).
Application Guarantee
EK0945-CN is guaranteed for ELISA in Canine by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of Endothelin
The endothelins is a family of structurally and pharmacologically distinct peptides, which has been identified and sequenced in Dog Canineas. Three isoforms of Dog Caninea endothelin have been identified: endothelin-1, -2, and -3. Endothelin-1 is a potent, 21-amino acid vasoconstrictor peptide produced by vascular endothelial cells. Endothelins are 21-amino acid vasoconstricting peptides produced primarily in the endothelium having a key role in vascular homeostasis. Endothelins are implicated in vascular diseases of several organ systems, including the heart, general circulation and brain. Endothelins are proteins that constrict blood vessels and raise blood pressure. They are normally kept in balance by other mechanisms, but when they are over-expressed, they contribute to high blood pressure (hypertension) and heart disease.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK0945-CN-CAP | Anti-Canine Endothelin Pre-coated 96-well strip microplate | 1 |
| EK0945-CN-ST | Canine Endothelin Standard | 2 vials, 1 ng/tube |
| EK0945-CN-DA | Canine Endothelin 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 | 3.9 | 7.8 | 15.6 | 31.2 | 62.5 | 125 | 250 |
| O.D. | 0.005 | 0.019 | 0.047 | 0.085 | 0.178 | 0.410 | 0.879 | 1.813 |
Data Example Images
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Dog Endothelin PicoKine ELISA Kit standard curve
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Dog Canine Endothelin 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) | 26.1 | 85.4 | 146 | 23.2 | 84.3 | 143 |
| Standard deviation | 1.41 | 3.76 | 8.03 | 1.79 | 6.07 | 8.72 |
| CV (%) | 4.4 | 4.4 | 5.5 | 7.7 | 7.2 | 6.1 |
Specific Publications For Dog Canine Endothelin ELISA Kit PicoKine® (EK0945-CN)
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Customer Reviews
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Customer Q&As
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9 Customer Q&As for Dog Canine Endothelin ELISA Kit PicoKine®
Question
Q: for how much duration can samples (cell cultures, serum, and plasma) be stored and still be stable for measuring Endothelin-1 using the EK0945-CN Dog Endothelin-1 Picokine® ELISA Kit?
D. Babu
Verified customer
Asked: 2019-11-01
Answer
A: Boster Bio does not evaluate sample stability. Variations in sample collection, processing, and storage may change the stabilityof samples. It is recommend to assay sample on-stat collection when possible, or aliquot into single use volumes and store samples frozen. avoid repeat freeze-thaw cycles with the stored samples to avoid protein degradation.
Boster Scientific Support
Answered: 2019-11-01
Question
Q: Are Boster Bio recombinant proteins and antibodies sterile?
N. Babu
Verified customer
Asked: 2019-10-25
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: 2019-10-25
Question
Q: how do I analyze ELISA data? I have obtained Endothelin-1 level in plasma.
Verified Customer
Verified customer
Asked: 2019-06-23
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: 2019-06-23
Question
Q: Can Endothelin-1 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?
Verified Customer
Verified customer
Asked: 2018-10-09
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 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: 2018-10-09
Question
Q: which procedure should I follow in order to thaw whole blood sample for Endothelin-1 ELISA after freezing?
Verified Customer
Verified customer
Asked: 2018-08-13
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 Endothelin-1 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: 2018-08-13
Question
Q: if the enzyme conjugated Endothelin-1 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 Endothelin-1 antigen?
Verified Customer
Verified customer
Asked: 2018-08-10
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: 2018-08-10
Question
Q: how much samples can be assayed in a Picokine® ELISA Kit?
S. Harris
Verified customer
Asked: 2016-08-17
Answer
A: The Picokine® ELISA Kits will generally run a 7-point standard curve, non-specific binding wells, and 39 samples in duplicate. this may vary slightly by kit so please refer to each datasheet for details.
Boster Scientific Support
Answered: 2016-08-17
Question
Q: can I use citrate plasma as samples in Dog Endothelin-1 Picokine® ELISA Kit (Catalog # EK0945-CN)?
C. Wu
Verified customer
Asked: 2015-06-08
Answer
A: Chelating agents such as EDTA, Heparin and Citrate can attach metal ions from the functional domain of Endothelin-1 causing disruption of its protein structure. Endothelin-1 may be denatured as a result and may compromise the assay's measurements. The chilating sites could also be too close to the epitopes needed for detection and block the antigen antibody reaction. We have tested the Endothelin-1 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: 2015-06-08
Question
Q: What is the optimal O.D. value for Endothelin-1 ELISA kit? I used your Endothelin-1 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 Endothelin-1 even though the O.D. values are not very high?
D. Singh
Verified customer
Asked: 2014-02-16
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. a point of focus should be 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 relation to your positive controls. normally, 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 Endothelin-1 ELISA kit to have sensitivity of 0.5pg/ml, that means the minimum amount of Endothelin-1 that can be declared/interpreted as positive by the above standard is 0.5pg/ml.
Boster Scientific Support
Answered: 2014-02-16
