Recombinant Anti-Polyethylene glycol antibody [EPR21993-154] (ab203857)
Key features and details
- Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
- Rabbit monoclonal [EPR21993-154] to Polyethylene glycol
- Suitable for: WB, ELISA, Sandwich ELISA
- Reacts with: Species independent
Related conjugates and formulations
Overview
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Product name
Anti-Polyethylene glycol antibody [EPR21993-154]
See all Polyethylene glycol primary antibodies -
Description
Rabbit monoclonal [EPR21993-154] to Polyethylene glycol -
Host species
Rabbit -
Tested applications
Suitable for: WB, ELISA, Sandwich ELISAmore details
Unsuitable for: IHC-P -
Species reactivity
Reacts with: Species independent -
Immunogen
Chemical/ Small Molecule. This information is proprietary to Abcam and/or its suppliers.
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Positive control
- WB: BSA-methoxy PEG 5K lysate.
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General notes
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free production
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
Properties
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Form
Liquid -
Storage instructions
Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle. -
Storage buffer
pH: 7.2
Preservative: 0.01% Sodium azide
Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA -
Concentration information loading...
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Purity
Protein A purified -
Clonality
Monoclonal -
Clone number
EPR21993-154 -
Isotype
IgG -
Research areas
Associated products
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Alternative Versions
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Compatible Secondaries
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Related Products
Applications
The Abpromise guarantee
Our Abpromise guarantee covers the use of ab203857 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Application | Abreviews | Notes |
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WB |
1/1000.
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ELISA |
1/100.
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Sandwich ELISA |
Use at an assay dependent concentration.
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Notes |
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WB
1/1000. |
ELISA
1/100. |
Sandwich ELISA
Use at an assay dependent concentration. |
Target
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Alternative names
- PEG antibody
Images
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Anti-Polyethylene glycol antibody [EPR21993-154] (ab203857) at 1/1000 dilution + BSA-methoxy PEG 5K, 10 ng
Secondary
Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution
Observed band size: 250 kDa why is the actual band size different from the predicted?Exposure time: 92 seconds.
Blocking/Diluting buffer: 5% NFDM/TBST.
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Direct ELISA antigen dose-response curve using AffniPure Goat Anti-Mouse IgG (H&L) at 1 µg/ml concentration. The detector antibody was ab203857 anti-Polyethylene glycol at 1 µg/ml. The secondary antibody was a Alkaline Phosphatase AffiniPure Goat Anti-Rabbit IgG (H+L) at 1/2500 dilution.
Antigen concentration range: 0-1000 ng/ml.
Blocking/Diluting Buffer and concentration: 1% BSA/TBS.
Washing Buffer: 1 X TBST.
Substrate: p-nitrophenyl phosphate (PNPP).
Coloration time: 10 min.
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Direct ELISA antigen dose-response curve using ab203857 at 2 µg/ml concentration. The detector antibody was a anti-Polyethylene glycol antibody (Biotin) (ab53449) at 500 ng/ml. The secondary antibody was a Peroxidase-conjugated Streptavidin at 1/1000 dilution.
Antigen concentration range: 0-1000 ng/ml.
Blocking/Diluting Buffer and concentration: 1% BSA/TBS.
Washing Buffer: 1 X TBST.
Substrate: 3,3',5,5'-Tetramethylbenzidine (TMB).
Coloration time: 2 min.
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Direct ELISA antigen dose-response curve using ab203857 at 2 µg/ml concentration. The detector antibody was a anti-Polyethylene glycol antibody (Biotin) (ab53449) at 500 ng/ml. The secondary antibody was a Peroxidase-conjugated Streptavidin at 1/1000 dilution.
Antigen concentration range: 0-1000 ng/ml.
Blocking/Diluting Buffer and concentration: 1% BSA/TBS.
Washing Buffer: 1 X TBST.
Substrate: 3,3',5,5'-Tetramethylbenzidine (TMB).
Coloration time: 2 min.
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Direct ELISA antigen dose-response curve using ab203857 at 0.05 µg/ml concentration. The secondary antibody was a Alkaline Phosphatase AffiniPure Goat Anti-Rabbit IgG (H+L) at 1/2500 dilution.
Antigen concentration range: 0-0.05µg/ml.
Blocking/Diluting Buffer and concentration: 1% BSA/TBS.
Washing Buffer: 1 X TBST.
Substrate: p-nitrophenyl phosphate (PNPP).
Coloration time: 15 min.
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Direct ELISA antigen dose-response curve using ab203857 at 0.05 µg/ml concentration. The secondary antibody was a Alkaline Phosphatase AffiniPure Goat Anti-Rabbit IgG (H+L) at 1/2500 dilution.
Antigen concentration range: 0-0.05µg/ml.
Blocking/Diluting Buffer and concentration: 1% BSA/TBS.
Washing Buffer: 1 X TBST.
Substrate: p-nitrophenyl phosphate (PNPP).
Coloration time: 15 min.
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Method: APS sensor+ Antigen (methoxy PEG800 at 0.625 µg/ml) + Blocking (BSA) + Antibody (ab203857 at 2, 1, 0.5, 0.25, 0.125µg/ml).
Results:
KD (M) = 5.81E-11
kon(1/Ms) = 2.70E+05
kon Error = 6.28E+02
kdis(1/s) = 1.57E-05
kdis Error = 4.49E-07
Full X2= 10.143
Full R2= 0.9993
Testing Biosensor: Aminopropylsilane (APS) Biosensors
Testing machine: Fortebio RED96e
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Method: APS sensor+ Antigen (methoxy PEG800 at 25 µg/ml) + Blocking (BSA) + Antibody (ab203857 at 0.5, 0.25, 0.125, 0.0625, 0.03125µg/ml).
Results:
KD (M) = 1.29E-10
kon(1/Ms) = 2.23E+06
kon Error = 1.45E+04
kdis(1/s) = 2.88E-04
kdis Error = 1.74E-06
Full X2 = 3.475
Full R2 = 0.9865
Testing Biosensor: Aminopropylsilane (APS) Biosensors
Testing machine: Fortebio RED96e
Protocols
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
Datasheets and documents
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SDS download
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Datasheet download
Certificate of Compliance
References (0)
ab203857 has not yet been referenced specifically in any publications.