How to do PQ for ELISA reader?

What is the weight of rotavirus A (ng)?

I am developing an ELISA kit for rotavirus A (G1P8 and G1P6). Does anyone know the weight (ng) of these two strains? Or to help me find their weight?

29 July 2024 3,138 2 View

ELISA sandwich with two monoclonal antibodies ?

hi, I am facing difficulties in the développement of an ELISA sandwich. I have several experiences in developing ELISA but that’s the first time I can’t find any solution. My test is currently as...

16 July 2024 9,044 10 View

What do I do with dried urine samples?

I placed mice in metabolic cages to collect urine samples for analysis. However, the majority of the samples have dried up. Is there any way to retrieve the urine in those tubes without...

14 July 2024 6,724 0 View

How do I prepare rat cardiomyocyte cell lysate for ELISA via freeze-thaw method?

Anyone have a protocol for making cell lysate from rat cardiomyocyte pellets to run an ELISA using PBS as the buffer?

23 June 2024 2,264 4 View

What is considered a biological replicate when you are doing an ELISA plate measurement with different cell types?

If cells obtained from different passages, with different plating but harvested on the same day are used in a single plate to take an ELISA measurement (with the given standards and treated...

17 June 2024 6,705 1 View

Different interpolated concentrations?

I used two standards (one came with the ELISA kit and the other I made myself, by preparing a series of known concentrations of the target analyte) on the same plate in my ELISA run. Why are the...

15 June 2024 5,109 1 View

Question about ELISA with the "Cattle IGF 1 (Insulin like growth factor) ELISA Kit" Cat: ELK5630?

Dear fellow researchers, We are conducting an ELISA with the "Cattle IGF 1 (Insulin-like growth factor) ELISA Kit" (Cat: ELK5630). Samples and reagents were prepared following the instruction...

13 June 2024 9,473 0 View

How to convert mIU/mL of beta galactosidase enzyme to pg/ml? I have used ELISA to determine beta gal concentration in mIU/ mL in human serum samples?

We have to report the concentration in pg/ml, the ELISA kit provider did not reveal the specific activity of the enzyme. In that case how to convert the units?

05 June 2024 2,173 5 View

What is Area Under the Curve for detecting SARS-COV-2 neutralizing antibodies?

I have a question about AUC for calculating SARS-CoV-2 neutralizing antibody tests. AUC here is not the Area Under the ROC Curve. After six serial dilutions of human serum, an indirect ELISA was...

05 June 2024 8,191 0 View

Can I dilute the serum sample further than stated in the manual as long as the analyte concentration remains within the KIT linear range?

I want to measure a protein in serum using an ELISA kit. This kit allows serum samples to be diluted 200 to 3200 times, but I want to use this kit to titrate higher concentrations of protein. Can...

03 June 2024 4,937 0 View

Duraisamy Narayanasamy

Performance qualification for new elisa reader

Cecile Bienboire-Frosini

Hi,

Some certified plates do exist and are often provided by the manufacturer. What is the brand of your ELISA reader? I know Biotek Instruments provide this service which allow you to check the performance of your ELISA reader.

Cecile

Sorry for the delay, Thanks for valuable suggestion.

The manufacture done with master plate validation. I wanted to know any other methods which can be done by using standard chemicals.

Which we have purchased instrument range of 200 to 1000nm capacity (Instrument Name Multiskan GO Thermoscientific)