Human IL-6 ELISA Kit High Sensitivity (ab46042)

1. The Biotinylated Antibody is provided in liquid form, it is stable at 4°C
2. Standards and Controls are provided lyophilized and should be reconstituted either by the volume stated on the vial or in the Protocol Booklet. They should be used directly once reconstituted and can't be stored.


3. The Standard and Control are both made with recombinant IL-6, only the concentration differs.

Thank you for your inquiry.
Do you have the catalogue numbers of the kits you're inquiring about? We have 7 different IL6 Human ELISA kits in the catalogue: ab46044, ab46042, ab46027, ab46041, ab100572, ab100573 and ab108867.
The IL6 High Sensitivity kits (ab46044 and ab46042) are the same, just one is 1 x 96 tests and one is 2 x 96 tests. These are high sensitivity at < 0.8 pg/ml and is in sandwich format and works with cell culture supernatant, Serum, and Plasma.
The ab46027 works with Cell culture supernatant, Serum, and Plasma as well in a sandwich format, but the sensitivity is < 2 pg/ml, but greater recovery.
The ab100572 has a broader range 1.37 pg/ml - 1000 pg/ml but < 3 pg/ml sensitivity. This works in Cell culture supernatant, Serum, and Plasma as well.
The ab100573 is the same as ab100572, except that ab100573 is recommended for cell culture extracts and tissue extracts.
The ab1008867 works with works with Cell culture supernatant, Serum, and Plasma as well in a sandwich format but is the least sensitive (8 pg/ml).
If you purchase multiple kits, you will only pay 1 shipping charge. If an item on your order is out of stock, your order will be on hold until it is ready to ship. However, you can choose to "split" your order to receive the in-stock item the next day, and the out of stock item when it comes in, but you would have to pay for both shipping charges in that case.
I hope this information helps. Please contact us with any other questions.

Thank you for contacting us.

The lab let me know the following:
Saliva is suitable for thisELISA kit, and the regular protocol would apply. There is no need to pre-treat the samples before assaying.

I hope this information is helpful to you. Please do not hesitate to contact us if you need any more advice or information.

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Thanks for your enquiry.



Those kits are suitable for all body fluids, so urine is applicable.






I hope this helps.

Thank you for contacting us. I apologise for the delay.
Unfortunately any of these kits have been tested with human ascites. However, they should work as they are suitable for all body fluids.
The only problem I would suspect is the high concentration of IgG in ascites which can interfere with the ELISA. I would suggest diluting samples 1:2 or 1:5 to minimize the matrix effect.
I hope this helps and if we can assist further, please do not hesitate to contact us.

Thank you for your enquiry. I can confirm that both these kits ab46042 and ab108826 should be suitable for use with saliva samples. I can confirm that  kit ab108826 has been tested on saliva samples,  We suggest to use saliva samples at 1x (no dilution) for this kit. We would suggest ab46042 should be suitable for saliva samples. However, this has not been specifically tested. Therefore, we are able to offer a discount for this kit in return for agreement to submit an Abreview with the data. I am currently waiting to hear from my colleagues how much of a discount we can offer and will be in touch with you as soon as possible. I hope this will be helpful. If you have any further questions, please do let me know. I will be in touch again regarding ab46052.