Product Info Summary
SKU: | EK1277 |
---|---|
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 DLL4 ELISA Kit PicoKine®
SKU/Catalog Number
EK1277
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Mouse DLL4 ELISA Kit PicoKine® (96 Tests). Quantitate Mouse Dll4 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 DLL4 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1277)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: NS0; Immunogen sequence: S28-P525
Sensitivity
<10 pg/ml
Assay Range
15.6 pg/ml - 1,000 pg/ml
Standard Dilution Instructions
See datasheet of EK1277 for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK1277 is reactive to Dll4 in Mouse samples
Validated Sample Types
cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA).
Application Guarantee
EK1277 is guaranteed for ELISA in Mouse by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of Dll4
Delta like ligand 4 is a protein that in humans is encoded by the DLL4 gene. It is mapped to 15q15.1. This gene is a homolog of the Drosophila delta gene. DLL4 is a transmembrane ligand for Notch receptors that shows restricted expression to endothelial cells (ECs), in particular to arteries and capillaries, and is involved in vascular development, and it also appeared to be a major trigger of Notch receptor activities previously implicated in arterial and vascular development. Mouse DLL4 could activate mouse Notch1 and mouse Notch4. DLL4 acts as a negative regulator of tumor angiogenesis, its blockade results in the striking uncoupling of tumor growth from vessel density, presenting a novel therapeutic approach even for tumors resistant to anti-VEGF therapies. In addition to it, this gene also plays an important role in promoting Th17 effector activity during mycobacterial challenge.
Kit Components
Catalog Number | Description | Quantity |
---|---|---|
EK1277-CAP | Anti-Mouse Dll4 Pre-coated 96-well strip microplate | 1 |
EK1277-ST | Mouse Dll4 Standard | 2 vials, 10 ng/tube |
EK1277-DA | Mouse Dll4 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 | 15.6 | 31.2 | 62.5 | 125 | 250 | 500 | 1000 |
O.D. | 0.067 | 0.105 | 0.177 | 0.313 | 0.569 | 1.059 | 1.781 | 2.095 |
Data Example Images
Click image to see more details
Mouse DLL4 PicoKine ELISA Kit standard curve
Recommended Sample Dilution Ratios
According to our internal validation assays using this ELISA kit, to detect Dll4, Dilution ratio of 1:1, concentration in serum and plasma is 60-80 pg/ml..
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Mouse DLL4 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) | 40 | 244 | 515 | 40 | 242 | 520 |
Standard deviation | 2.44 | 18.78 | 36.56 | 2.64 | 20.81 | 38.48 |
CV (%) | 6.1% | 7.7% | 7.1% | 6.6% | 8.6% | 7.4% |
Reproducibility
We ensure reproducibility by testing three samples with differing concentrations of Dll4 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 | 40 | 42 | 36 | 40 | 39 | 2.17 | 5.5% |
Sample 2 | 244 | 258 | 252 | 224 | 244 | 12.83 | 5.2% |
Sample 3 | 515 | 528 | 493 | 536 | 518 | 16.26 | 3.1% |
Protein Target Info & Infographic
Gene/Protein Information For Dll4 (Source: Uniprot.Org, NCBI)
Gene Name
Dll4
Full Name
Delta-like protein 4
Weight
74991 MW
Alternative Names
Delta-like protein 4;Drosophila Delta homolog 4;Delta4;Dll4; Dll4|Delt, Delta4|delta like canonical Notch ligand 4|delta-like protein 4|delta-like 4|drosophila Delta homolog 4
*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 Dll4, check out the Dll4 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 Dll4: 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 DLL4 ELISA Kit PicoKine® (EK1277)
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Customer Q&As
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7 Customer Q&As for Mouse DLL4 ELISA Kit PicoKine®
Question
Q: What is the optimal O.D. value for Dll4 ELISA kit? I used your Dll4 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 Dll4 even though the O.D. values are not very high?
Verified Customer
Verified customer
Asked: 2020-12-17
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. 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. 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 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 Dll4 ELISA kit to have sensitivity of 10pg/ml, that means the minimum amount of Dll4 that can be declared/interpreted as positive by the above standard is 10pg/ml.
Boster Scientific Support
Answered: 2020-12-17
Question
Q: how to thaw whole blood sample for Dll4 ELISA after freezing?
Verified Customer
Verified customer
Asked: 2020-10-26
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 Dll4 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: 2020-10-26
Question
Q: if the enzyme conjugated Dll4 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 Dll4 antigen?
J. Jones
Verified customer
Asked: 2020-05-28
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: 2020-05-28
Question
Q: how many samples can be assayed in a Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2018-04-26
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 might differ by kit so please refer to each datasheet for details.
Boster Scientific Support
Answered: 2018-04-26
Question
Q: Are Boster Bio recombinant proteins and antibodies sterile?
Verified Customer
Verified customer
Asked: 2018-03-06
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 needed for an experiment, the material can be filtered through a 0.2 micron filter designed for use with biological fluids.
Boster Scientific Support
Answered: 2018-03-06
Question
Q: can you tell me how to prepare cell lysates prepared for use in Picokine® ELISA kits?
Verified Customer
Verified customer
Asked: 2018-02-21
Answer
A: in 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 may impact immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.
Boster Scientific Support
Answered: 2018-02-21
Question
Q: is there any online tool I can use to streamline the data analysis for my ELISA results?
Verified Customer
Verified customer
Asked: 2015-11-27
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: 2015-11-27