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Product Info Summary
| SKU: | EK2124 |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Human |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, serum and plasma (heparin, EDTA, citrate). |
Product info
Product Name
Human LILRB2 ELISA Kit PicoKine®
View all ILT4/CD85d/LILRB2 ELISA kits
SKU/Catalog Number
EK2124
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Human LILRB2 ELISA Kit PicoKine® (96 Tests). Quantitate Human LILRB2 in cell culture supernatants, serum and plasma (heparin, EDTA, citrate). Sensitivity: 50pg/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
Human LILRB2 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK2124)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: NS0; Immunogen sequence: Q22-V461
Sensitivity
<50 pg/ml
Assay Range
312 pg/ml - 20,000 pg/ml
Standard Dilution Instructions
See datasheet of EK2124 for more details
Cross-reactivity
There is no detectable cross-reactivity with other relevant proteins.
Reactive Species
EK2124 is reactive to LILRB2 in Human samples
Validated Sample Types
cell culture supernatants, serum and plasma (heparin, EDTA, citrate).
Application Guarantee
EK2124 is guaranteed for ELISA in Human by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of ILT4/CD85d/LILRB2
Leukocyte immunoglobulin-like receptor subfamily B member 2 (LILRB2) is also known as CD85 antigen-like family member D (CD85d), Immunoglobulin-like transcript 4 (ILT-4), Monocyte / macrophage immunoglobulin-like receptor 10 (MIR-10), which is a member of the the subfamily B class of LIR receptors. LILRB2 is receptor for class I MHC antigens. LILRB2 recognizes a broad spectrum of HLA-A, HLA-B, HLA-C and HLA-G alleles. LILRB2 competes with CD8A for binding to class I MHC antigens. LILRB2 / CD85d inhibits FCGR1A-mediated phosphorylation of cellular proteins and mobilization of intracellular calcium ions.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK2124-CAP | Anti-Human LILRB2 Pre-coated 96-well strip microplate | 1 |
| EK2124-ST | Human LILRB2 Standard | 2 vials, 20 ng/tube |
| EK2124-DA | Human LILRB2 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 | 312 | 625 | 1250 | 2500 | 5000 | 10000 | 20000 |
| O.D. | 0.055 | 0.125 | 0.169 | 0.299 | 0.545 | 0.956 | 1.437 | 2.064 |
Data Example Images
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Human LILRB2 PicoKine ELISA Kit Standard Curve
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Human LILRB2 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) | 384 | 2313 | 8445 | 492 | 2436 | 9458 |
| Standard deviation | 17.28 | 131.84 | 388.47 | 25.09 | 143.72 | 699.89 |
| CV (%) | 4.5% | 5.7% | 4.6% | 5.1% | 5.9% | 7.4% |
Reproducibility
We ensure reproducibility by testing three samples with differing concentrations of ILT4/CD85d/LILRB2 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 | 384 | 401 | 375 | 392 | 388 | 9.61 | 2.4% |
| Sample 2 | 2313 | 1997 | 2156 | 1982 | 2112 | 134.59 | 6.3% |
| Sample 3 | 8445 | 7435 | 7826 | 7234 | 7735 | 461.89 | 5.9% |
Protein Target Info & Infographic
Gene/Protein Information For LILRB2 (Source: Uniprot.Org, NCBI)
Gene Name
LILRB2
Full Name
Leukocyte immunoglobulin-like receptor subfamily B member 2
Weight
65.039kDa
Alternative Names
Leukocyte immunoglobulin-like receptor subfamily B member 2; LIR-2; Leukocyte immunoglobulin-like receptor 2; CD85 antigen-like family member D; Immunoglobulin-like transcript 4; ILT-4; Monocyte/macrophage immunoglobulin-like receptor 10; MIR-10; CD85d; LILRB2; ILT4; LIR2; MIR10 LILRB2 CD85D, ILT-4, ILT4, LIR-2, LIR2, MIR-10, MIR10 leukocyte immunoglobulin like receptor B2 leukocyte immunoglobulin-like receptor subfamily B member 2|CD85 -like family member D|Ig-like transcript 4|leucocyte Ig-like receptor B2|leukocyte immunoglobulin-like receptor, subfamily B (with TM and ITIM domains), member 2|monocyte/macrophage immunoglobulin-like receptor 10|myeloid inhibitory receptor 10
*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 LILRB2, check out the LILRB2 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 LILRB2: 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 Human LILRB2 ELISA Kit PicoKine® (EK2124)
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Customer Reviews
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Customer Q&As
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8 Customer Q&As for Human LILRB2 ELISA Kit PicoKine®
Question
Q: can you suggest the dilution ratio of serum samples for detection of CD85d in Human serum? I am trying to measure a few analytes and it requires 100ul of diluted samples for each well. We have limited sample volumes so we like to dilute as much as possible.
Verified Customer
Verified customer
Asked: 2020-11-29
Answer
A: having little idea about the physiological or pathological context of your samples we cannot recommend a dilution ratio without performing a pilot test with your samples. Here is how you can perform a pilot study on your own: perform a serial dilution of your samples on the CD85d ELISA kit to make sure you have a linear ascending curve followed by a plateau, which signifies the samples saturating the detection limit of the kit. Then you can pick the dilution ratios from samples in the linear part of the curve as your experimental dilution ratio.
If you are interested in using our ELISA service, you can also send us your sample and we will take care of everything for you. You can check our service details here: bosterbio.com/services/assay-services/ELISA-testing-service
Since you mentioned you have limited samples, our cost effective multiplex ELISA service would fit perfectly for your needs, where we can generate dozens of data points using as little as 25ul sample volume. Information on this service is also in the above link.
Boster Scientific Support
Answered: 2020-11-29
Question
Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for measuring CD85d using the EK2124 Human CD85d Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2020-08-27
Answer
A: Boster Bio does not assess sample stability. Variations in sample collection, processing, and storage may affect the stabilityof samples. It is recommend to assay sample right after 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 limit protein degradation.
Boster Scientific Support
Answered: 2020-08-27
Question
Q: what is the protocol regarding preparation of cell lysates prepared for use in Picokine® ELISA kits?
Verified Customer
Verified customer
Asked: 2020-04-16
Answer
A: in 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 have an affect on immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.
Boster Scientific Support
Answered: 2020-04-16
Question
Q: is there any online tool I can use to streamline the data analysis for my ELISA results?
G. Patel
Verified customer
Asked: 2020-04-06
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: 2020-04-06
Question
Q: Are Boster Bio recombinant proteins and antibodies sterile?
Verified Customer
Verified customer
Asked: 2018-10-05
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: 2018-10-05
Question
Q: Can CD85d ELISA Kits be used with tissue homogenates (or other non-validated sample types)?
T. Chen
Verified customer
Asked: 2018-04-07
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 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 see 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: 2018-04-07
Question
Q: how much samples can be assayed in a Picokine® ELISA Kit?
J. Gonzalez
Verified customer
Asked: 2016-06-14
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: 2016-06-14
Question
Q: if the enzyme conjugated CD85d 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 CD85d antigen?
W. Li
Verified customer
Asked: 2014-05-03
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: 2014-05-03
