I would like to build a sandwich ELISA for detection of HE4 levels in human blood. I found there are several HE4 antibodies from your company. Could you please provide me some information among these products, which two antibodies will work well with the HE4 antigen in a sandwich ELISA pair?

Name: HE4/WFDC2 Antibody
Brand: Novus Biologicals
SKU: NBP2-27299
Price: 339 USD

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At this time we have not tested any of our HE4 antibodies for use in a Sandwich ELISA. As such, we cannot say with certainty, which will work together as an effective pair. Often times in our experience, choosing a monoclonal antibody for capture, and a polyclonal antibody for detection will yield great results. If you plan on testing any of our HE4 antibodies for use in a Sandwich ELISA then we would encourage you to apply for our Innovators Reward Program. Under the terms of this program, you will be eligible for a full credit in exchange for your data, in the form of an online review, regardless of positive or negative results. Additional Innovator’s Reward information can be found at the following here

At	=	A. thaliana	SyHa	=	Golden Syrian Hamster
All	=	All Species	Ha	=	Hamster
An	=	Animal	Hu	=	Human
ArHa	=	Armenian Hamster	I	=	Insect
Av	=	Avian	Ll	=	Llama
Bb	=	Baboon	Ma	=	Mammal
Ba	=	Bacteria	Mk	=	Monkey
Bv	=	Bovine	Mu	=	Mouse
Ca	=	Canine	Multi	=	Multi-species
Ce	=	C. Elegans	NA	=	Non-species specific
Ch	=	Chicken	Or	=	Orangutan
ChHa	=	Chinese Hamster	Pl	=	Plant
Cm	=	Cynomolgus Monkey	Pm	=	Primate
Do	=	Donkey	Po	=	Porcine
Dr	=	Drosophilia	Rb	=	Rabbit
Ec	=	E. Coli	Rt	=	Rat
Eq	=	Equine	RM	=	Rhesus Macaque
Fe	=	Feline	Sh	=	Sheep
Ft	=	Ferret	Vb	=	Vertebrate
Fi	=	Fish	Vi	=	Virus
Fu	=	Fungi	Xp	=	Xenopus
Ge	=	Gerbil	Ye	=	Yeast
GP	=	Guinea Pig	Ze	=	Zebrafish
Gt	=	Goat

Reactivity	HuSpecies Glossary
Applications	WB, IHC
Clonality	Polyclonal
Host	Rabbit
Conjugate	Unconjugated
Concentration	0.5 mg/ml

Immunogen	A portion of amino acids 1-50 of (human) HE4 was used as the immunogen for the antibody.
Isotype	IgG
Clonality	Polyclonal
Host	Rabbit
Gene	WFDC2
Purity	Protein A purified
Innovator's Reward	Test in a species/application not listed above to receive a full credit towards a future purchase. Learn about the Innovator's Reward

Dilutions	Immunohistochemistry Immunohistochemistry-Paraffin 5-7ug/ml~ Western Blot 1-3ug/ml
Application Notes	Staining of formalin-fixed tissues is enhanced by boiling tissue sections in 10 mM sodium citrate buffer, pH 6.0 for 10-20 min followed by cooling at RT for 20 min.

Storage	Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer	0.2 ml PBS and 0.05% BSA
Preservative	0.05% Sodium Azide
Concentration	0.5 mg/ml
Purity	Protein A purified

HE4/WFDC2 Antibody

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Gene Symbol	WFDC2
Uniprot	Q14508(Human)