Human Neuropilin-1 ELISA Kit PicoKine®

Neuropilin-1 ELISA kit for Human

Human Neuropilin-1 ELISA Kit PicoKine™ (96 Tests). Quantitate Human NRP1 in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml. Cited in 1 publication(s).

Product Info Summary

SKU: EK1353
Size: 96 wells/kit, with removable strips.
Reactive Species: Human
Application: ELISA
Sample Types: cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA).

Product Name

Human Neuropilin-1 ELISA Kit PicoKine®

View all Neuropilin-1 ELISA kits

SKU/Catalog Number

EK1353

Size

96 wells/kit, with removable strips.

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

Description

Human Neuropilin-1 ELISA Kit PicoKine™ (96 Tests). Quantitate Human NRP1 in cell culture supernatants, cell lysates, 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 Neuropilin-1 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1353)

Clonality of Antibodies

See Datasheet for details

Immunogen

Expression system for standard: NS0; Immunogen sequence: F22-K644

Sensitivity

<20 pg/ml

Assay Range

0.78 ng/ml - 50 ng/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 EK1353 for more details

Cross-reactivity

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

Reactive Species

EK1353 is reactive to NRP1 in Human samples

Validated Sample Types

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

Application Guarantee

EK1353 is guaranteed for ELISA in Human by Boster Guarantee

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

Background of Neuropilin-1

NRP1 (Neuropilin 1) also known as NP1, NRP, BDCA4 or VEGF165R, is a membrane-bound coreceptor to a tyrosine kinase receptor for both vascular endothelial growth factor (VEGF) and semaphorin family members. NRP1 plays versatile roles in angiogenesis, axon guidance, cell survival, migration, and invasion. By somatic cell hybrid analysis, the NRP1 gene was mapped to chromosome 10. NRP1 bounds PGF1 with lower affinity. NRP1-mediated interactions are a necessary element in the initiation of the primary immune response and offer another example, like that of agrin, of a molecule shared by neurologic and immunologic synapses. After T-cell contact with DC, T-cell NRP1 colocalized with CD3 in the immunologic synapse and, sometimes, also at the opposite pole of the T cell. Soluble NRP1 interacts in a homophilic fashion with NRP1 on both DC and T cells, and this binding can be inhibited by blocking antibodies to NRP1. Furthermore, selective NRP1 inhibition in this model suppressed neovascular formation substantially.

Kit Components

Catalog Number Description Quantity
EK1353-CAP Anti-Human NRP1 Pre-coated 96-well strip microplate 1
EK1353-ST Human NRP1 Standard 2 vials, 50 ng/tube
EK1353-DA Human NRP1 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 (ng/ml)00.781.563.126.2512.52550
O.D.0.0160.1370.2690.4760.8461.3951.8082.043

Data Example Images

Recommended Sample Dilution Ratios

According to our internal validation assays using this ELISA kit, to detect Neuropilin-1, Dilution ratio of 1:20, concentration in serum is around 120 ng/ml..

Some articles we found to cite concentrations of Neuropilin-1 in samples: 20068394 (Pubmed IDs).

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Human Neuropilin-1 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)15784783209341501469720813
Standard deviation69.43316.67921.0990.06371.061207.15
CV (%)4.4%6.6%4.4%6%7.9%5.8%

Reproducibility

We ensure reproducibility by testing three samples with differing concentrations of Neuropilin-1 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 115781405153416931552103.066.6%
Sample 247834689461943244603171.673.7%
Sample 320934220482045019219206621015.154.9%
*number of samples for each test n=16.

Gene/Protein Information For NRP1 (Source: Uniprot.Org, NCBI)

Gene Name

NRP1

Full Name

Neuropilin-1

Weight

103.134kDa

Superfamily

neuropilin family

Alternative Names

BDCA4; BDCA-4; CD304 antigen; CD304; DKFZp686A03134; DKFZp781F1414; neuropilin 1; Neuropilin1; Neuropilin-1; NRP1; NRPNP1; transmembrane receptor; Vascular endothelial cell growth factor 165 receptor; VEGF165RCD304 NRP1 BDCA4, CD304, NP1, NRP, VEGF165R neuropilin 1 neuropilin-1|transmembrane receptor|vascular endothelial cell growth factor 165 receptor

*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 NRP1, check out the NRP1 Infographic

NRP1 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 NRP1: 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].

Hello CJ!

EK1353 has been cited in 1 publications:

*The publications in this section are manually curated by our staff scientists. They may differ from Bioz's machine gathered results. Both are accurate. If you find a publication citing this product but is missing from this list, please let us know we will issue you a thank-you coupon.

Elevated expression levels of serum insulin‐like growth factor‐1, tumor necrosis factor‐α and vascular endothelial growth factor 165 might exacerbate type 2 diabetic nephropathy

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10 Customer Q&As for Human Neuropilin-1 ELISA Kit PicoKine®

Question

Q: Can Neuropilin-1 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?

Verified Customer

Verified customer

Asked: 2020-10-11

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 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 view 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: 2020-10-11

Question

Q: how much samples can be assayed in a Picokine® ELISA Kit?

R. Mitchell

Verified customer

Asked: 2020-09-21

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: 2020-09-21

Question

Q: we need your recommendation regarding the dilution ratio of serum samples for detection of Neuropilin-1 in Human cell lysates? I am trying to measure a a number of 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.

P. Sunder

Verified customer

Asked: 2020-06-10

Answer

A: unable to know 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 Neuropilin-1 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: 2020-06-10

Question

Q: how to thaw whole blood sample for Neuropilin-1 ELISA after freezing?

R. Tiwari

Verified customer

Asked: 2020-05-26

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 Neuropilin-1 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: 2020-05-26

Question

What is the range of NRP1 level detected in serum samples (healthy human ) using EK1353 kit?

Verified customer

Asked: 2020-01-03

Answer

We can only guarantee the assay range that is shown on our product page for the Human Neuropilin-1 ELISA Kit PicoKine™ EK1353. You can always do pilot tests and test other ranges.

Boster Scientific Support

Answered: 2020-01-27

Question

Q: how to analyze ELISA data? I have obtained Neuropilin-1 level in cell lysates.

G. Gandhi

Verified customer

Asked: 2019-11-14

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: 2019-11-14

Question

Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for analysis Neuropilin-1 using the EK1353 Human Neuropilin-1 Picokine® ELISA Kit?

Verified Customer

Verified customer

Asked: 2019-11-12

Answer

A: Boster Bio does not evaluate sample stability. Variations in sample collection, processing, and storage may affect the stabilityof samples. It is recommend to assay sample on priority basis collection when possible, or aliquot into single use volumes and store samples frozen. limit repetitive freeze-thaw cycles with the stored samples to avoid protein degradation.

Boster Scientific Support

Answered: 2019-11-12

Question

Q: What is the optimal O.D. value for Neuropilin-1 ELISA kit? I used your Neuropilin-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. can I consider these samples contain Neuropilin-1 even though the O.D. values are not very high?

C. Williams

Verified customer

Asked: 2019-02-03

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. an important assessment should be is whether your sample O.D. values are statistically significantly higher than your blank values. in the above example, 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. typically, 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 Neuropilin-1 ELISA kit to have sensitivity of 10pg/ml, that means the minimum amount of Neuropilin-1 that can be declared/interpreted as positive by the above standard is 10pg/ml.

Boster Scientific Support

Answered: 2019-02-03

Question

Q: if the enzyme conjugated Neuropilin-1 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 Neuropilin-1 antigen?

L. Li

Verified customer

Asked: 2018-09-01

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: 2018-09-01

Question

Q: Are Boster Bio recombinant proteins and antibodies sterile?

Verified Customer

Verified customer

Asked: 2016-05-17

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: 2016-05-17

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