Human CD200R1 ELISA Kit PicoKine®

Cd200r1 ELISA kit for Human

Human CD200R1 ELISA Kit PicoKine™ (96 Tests). Quantitate Human CD200R1 in cell culture supernatants, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml.

Product Info Summary

SKU: EK1850
Size: 96 wells/kit, with removable strips.
Reactive Species: Human
Application: ELISA
Sample Types: cell culture supernatants, serum and plasma (heparin, EDTA).

Product Name

Human CD200R1 ELISA Kit PicoKine®

View all Cd200r1 ELISA kits

SKU/Catalog Number

EK1850

Size

96 wells/kit, with removable strips.

*Question: How many samples can I assay/run in this kit?

Description

Human CD200R1 ELISA Kit PicoKine™ (96 Tests). Quantitate Human CD200R1 in cell culture supernatants, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml.

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 CD200R1 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1850)

Clonality of Antibodies

See Datasheet for details

Immunogen

Expression system for standard: NS0; Immunogen sequence: M29-L243

Sensitivity

<10 pg/ml

Assay Range

15.6 pg/ml - 1,000 pg/ml

Standard Dilution Instructions

serial dilution instructions image

Add 100ul of sample diluent in well #2-#8. Add 200ul standard stock solution to well #1, and serial dilute for well #2-#7 to make a standard curve row. Leave well #8 as blank See datasheet of EK1850 for more details

Cross-reactivity

There is no detectable cross-reactivity with other relevant proteins.

Reactive Species

EK1850 is reactive to Cd200r1 in Human samples

Validated Sample Types

cell culture supernatants, serum and plasma (heparin, EDTA).

Application Guarantee

EK1850 is guaranteed for ELISA in Human by Boster Guarantee

See how Boster Bio validate our ELISA kits: ELISA Validation Information

Background of Cd200r1

Cell surface transmembrane glycoprotein CD200 receptor 1 is a protein that in humans is encoded by the CD200R1 gene. It is mapped to 3q13.2. This gene encodes a receptor for the OX-2 membrane glycoprotein. Both the receptor and substrate are cell surface glycoproteins containing two immunoglobulin-like domains. This receptor is restricted to the surfaces of myeloid lineage cells and the receptor-substrate interaction may function as a myeloid downregulatory signal. Mouse studies of a related gene suggest that this interaction may control myeloid function in a tissue-specific manner. Alternative splicing of this gene results in multiple transcript variants.

Kit Components

Catalog Number Description Quantity
EK1850-CAP Anti-Human Cd200r1 Pre-coated 96-well strip microplate 1
EK1850-ST Human Cd200r1 Standard 2 vials, 10 ng/tube
EK1850-DA Human Cd200r1 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.

Innovating Scientists Reward

If you are the first to review this product, or if you have results for a special sample, species or application this product is not validated in, share your results with us and receive product credits you can use towards any Boster products! Applicable to all scientists world wide.

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Validation Standard Curve O.D. At 450nm

Concentration (pg/ml)015.631.262.51252505001000
O.D.0.1610.2070.2210.3030.4400.7291.1661.967

Data Example Images

Recommended Sample Dilution Ratios

According to our internal validation assays using this ELISA kit, to detect Cd200r1, Dilution ratio of 1:1, concentration in serum and plasma is around 25 pg/ml..

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Human CD200R1 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 PrecisionInter-Assay Precision
Sample123123
n161616242424
Mean (pg/ml)259743326103468
Standard deviation1.304.1717.751.725.9730.89
CV (%)5.2%4.3%4.1%6.6%5.8%6.6%

Reproducibility

We ensure reproducibility by testing three samples with differing concentrations of Cd200r1 in ELISA kits from four different production batches/lots.

LotsLot 1 (pg/ml)Lot 2 (pg/ml)Lot 3 (pg/ml)Lot 4 (pg/ml)Mean (pg/ml)Standard DeviationCV (%)
Sample 125262323241.295.3%
Sample 297110101941006.026.0%
Sample 343343640942442510.502.4%
*number of samples for each test n=16.

Gene/Protein Information For Cd200r1 (Source: Uniprot.Org, NCBI)

Gene Name

Cd200r1

Full Name

Cell surface glycoprotein CD200 receptor 1

Weight

35.505kDa

Superfamily

CD200R family

Alternative Names

CD200 R1; CD200 receptor 1; CD200R1; CD200RMOX2Rcell surface glycoprotein CD200 receptor 1; Cell surface glycoprotein OX2 receptor 1; cell surface glycoprotein receptor CD200; CRTR2; HCRTR2; MOX2 receptor; MOX2R; OX2RCD200 cell surface glycoprotein receptor Cd200r1|CD200, CD200R, Mox, Mox2r, OX, OX2R|CD200 receptor 1|cell surface glycoprotein CD200 receptor 1|CD200 cell surface glycoprotein receptor|Orexin receptor 2|antigen identified by monoclonal antibody MRC OX-2 receptor|cell surface glycoprotein OX2 receptor 1

*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 Cd200r1, check out the Cd200r1 Infographic

Cd200r1 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 Cd200r1: 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].

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11 Customer Q&As for Human CD200R1 ELISA Kit PicoKine®

Question

Q: Can Cd200r1 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?

Verified Customer

Verified customer

Asked: 2020-05-13

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: 2020-05-13

Question

Q: how to proceed with the analysis of ELISA data? I have performed Cd200r1 level in serum.

Verified Customer

Verified customer

Asked: 2020-04-11

Answer

A: we recommend you 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: 2020-04-11

Question

Q: how are cell lysates prepared for use in Picokine® ELISA kits?

Verified Customer

Verified customer

Asked: 2020-03-02

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 can change immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.

Boster Scientific Support

Answered: 2020-03-02

Question

Q: What is the optimal O.D. value for Cd200r1 ELISA kit? I used your Cd200r1 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. can I consider these samples contain Cd200r1 even though the O.D. values are not very high?

C. Mitchell

Verified customer

Asked: 2019-12-11

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 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 Cd200r1 ELISA kit to have sensitivity of 10pg/ml, that means the minimum amount of Cd200r1 that can be declared/interpreted as positive by the above standard is 10pg/ml.

Boster Scientific Support

Answered: 2019-12-11

Question

Q: is there any online tool I can use to streamline the data analysis for my ELISA results?

Verified Customer

Verified customer

Asked: 2019-09-20

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: 2019-09-20

Question

Q: if the enzyme conjugated Cd200r1 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 Cd200r1 antigen?

D. Mehta

Verified customer

Asked: 2019-05-11

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: 2019-05-11

Question

Q: can you suggest the dilution ratio of serum samples for detection of Cd200r1 in Human serum? I am trying to measure a a number of analytes and it requires 100ul of diluted samples for each well. We have low serum quantitys so we like to dilute as much as possible.

Verified Customer

Verified customer

Asked: 2019-04-24

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 Cd200r1 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: 2019-04-24

Question

Q: is it okay to use citrate plasma as samples in Human Cd200r1 Picokine® ELISA Kit (Catalog # EK1850)?

Verified Customer

Verified customer

Asked: 2018-12-20

Answer

A: Chelating agents such as EDTA, Heparin and Citrate can sequester metal ions from the functional domain of Cd200r1 causing disruption of its protein structure. Cd200r1 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 Cd200r1 ELISA, treating samples with different 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: 2018-12-20

Question

Q: for how much duration can samples (cell cultures, serum, and plasma) be stored and still be stable for measurement Cd200r1 using the EK1850 Human Cd200r1 Picokine® ELISA Kit?

B. Kaur

Verified customer

Asked: 2018-08-16

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. avoid repeat freeze-thaw cycles with the stored samples in order to prevent protein degradation.

Boster Scientific Support

Answered: 2018-08-16

Question

Q: which procedure should I follow in order to thaw whole blood sample for Cd200r1 ELISA after freezing?

C. Robinson

Verified customer

Asked: 2016-09-14

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 Cd200r1 for a later time, you should let the blood clot in glass tubes and separate the serum to freeze for later analysis.

Boster Scientific Support

Answered: 2016-09-14

Question

Q: Are Boster Bio recombinant proteins and antibodies sterile?

R. Bhatt

Verified customer

Asked: 2015-05-29

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: 2015-05-29

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