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Product Info Summary
| SKU: | EK1915 |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Rat |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, serum and plasma (heparin, EDTA). |
Product info
Product Name
Rat GAS6 ELISA Kit PicoKine®
SKU/Catalog Number
EK1915
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Rat GAS6 ELISA Kit PicoKine® (96 Tests). Quantitate Rat Gas6 in cell culture supernatants, 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
Rat GAS6 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1915)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: NS0; Immunogen sequence: D115-P673
Sensitivity
<10 pg/ml
Assay Range
31.2 pg/ml - 2,000 pg/ml
Standard Dilution Instructions
See datasheet of EK1915 for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK1915 is reactive to Gas6 in Rat samples
Validated Sample Types
cell culture supernatants, serum and plasma (heparin, EDTA).
Application Guarantee
EK1915 is guaranteed for ELISA in Rat by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of GAS6
GAS6 (Growth arrest-specific 6), also known as AXLLG or AXSF, is a human gene coding for the Gas6 protein. It is mapped to 13q34. GAS6 was originally found as a gene upregulated by growth arrested fibroblasts. This gene product is a gamma-carboxyglutamic acid (Gla)-containing protein which thought to be involved in the stimulation of cell proliferation, and may play a role in thrombosis. What's more, the product of the GAS6 gene, a ligand for the AXL, MER, and TYRO3 tyrosine kinase receptors, is a vitamin K-dependent protein, structurally related to anticoagulant protein S but lacking its anticoagulant activity. This protein also shows great importance in the cardiovascular system.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK1915-CAP | Anti-Rat Gas6 Pre-coated 96-well strip microplate | 1 |
| EK1915-ST | Rat Gas6 Standard | 2 vials, 10 ng/tube |
| EK1915-DA | Rat Gas6 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 | 31.25 | 62.5 | 125 | 250 | 500 | 1000 | 2000 |
| O.D. | 0.022 | 0.056 | 0.115 | 0.186 | 0.336 | 0.598 | 1.116 | 1.898 |
Data Example Images
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Rat GAS6 PicoKine ELISA Kit standard curve
Recommended Sample Dilution Ratios
According to our internal validation assays using this ELISA kit, to detect GAS6, Dilution ratio of 1:5, concentration in serum and plasma is 1.2-4 ng/ml..
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Rat GAS6 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) | 73 | 308 | 856 | 75 | 321 | 969 |
| Standard deviation | 3.94 | 13.24 | 48.79 | 4.65 | 20.22 | 73.64 |
| CV (%) | 5.4% | 4.3% | 5.7% | 6.2% | 6.3% | 7.6% |
Reproducibility
We ensure reproducibility by testing three samples with differing concentrations of GAS6 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 | 73 | 66 | 71 | 70 | 70 | 2.54 | 3.6% |
| Sample 2 | 308 | 302 | 310 | 268 | 297 | 17.00 | 5.7% |
| Sample 3 | 856 | 806 | 872 | 876 | 852 | 27.87 | 3.2% |
Protein Target Info & Infographic
Gene/Protein Information For Gas6 (Source: Uniprot.Org, NCBI)
Gene Name
Gas6
Full Name
Growth arrest-specific protein 6
Weight
74.925kDa
Alternative Names
Growth arrest-specific protein 6; GAS-6; AXL receptor tyrosine kinase ligand; Growth-potentiating factor; GPF; Gas6 GAS6 AXLLG, AXSF growth arrest specific 6 growth arrest-specific protein 6|AXL receptor tyrosine kinase ligand|AXL stimulatory factor
*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 Gas6, check out the Gas6 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 Gas6: 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 Rat GAS6 ELISA Kit PicoKine® (EK1915)
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Customer Q&As
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7 Customer Q&As for Rat GAS6 ELISA Kit PicoKine®
Question
Would you please share the rat plasma values detected using kit EK1915 during validation?
Verified customer
Asked: 2022-08-05
Answer
Thank you for your inquiry. Boster Bio's internal QC testing used dilution ratio of 1:5, concentration in plasma is 1.2-4ng/ml.
Boster Scientific Support
Answered: 2022-08-05
Question
Q: What is the optimal O.D. value for GAS6 ELISA kit? I used your GAS6 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 GAS6 even though the O.D. values are not very high?
R. Walker
Verified customer
Asked: 2019-11-10
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. regarding your protocol, 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. 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 GAS6 ELISA kit to have sensitivity of 10pg/ml, that means the minimum amount of GAS6 that can be declared/interpreted as positive by the above standard is 10pg/ml.
Boster Scientific Support
Answered: 2019-11-10
Question
Q: how are cell lysates prepared for use in Picokine® ELISA kits?
M. Wilson
Verified customer
Asked: 2019-08-16
Answer
A: for those Picokine® ELISAs where cell or tissue lysate is a validated sample type, sample preparation instructions for lysate are present in the product insert. Components in lysate and lysis buffer can effect immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.
Boster Scientific Support
Answered: 2019-08-16
Question
Q: can I use citrate plasma as samples in Rat GAS6 Picokine® ELISA Kit (Catalog # EK1915)?
M. Nelson
Verified customer
Asked: 2018-04-28
Answer
A: Chelating agents such as EDTA, Heparin and Citrate can sequester metal ions from the functional domain of GAS6 causing degradation of its protein structure. GAS6 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 GAS6 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: 2018-04-28
Question
Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for measurement GAS6 using the EK1915 Rat GAS6 Picokine® ELISA Kit?
M. Edwards
Verified customer
Asked: 2018-03-25
Answer
A: Boster Bio does not assess sample stability. Variations in sample collection, processing, and storage may alter 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 repetitive freeze-thaw cycles with the stored samples to limit protein degradation.
Boster Scientific Support
Answered: 2018-03-25
Question
Q: Can GAS6 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?
Verified Customer
Verified customer
Asked: 2018-02-05
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 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 evaluated 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: 2018-02-05
Question
Q: if the enzyme conjugated GAS6 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 GAS6 antigen?
Verified Customer
Verified customer
Asked: 2017-10-26
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: 2017-10-26
