I made ELISA test and read it after 50 min , the results made sense and it was OK
But i reread it after 1h and 45 min but the results are less than the first time . Why this happened?
Dear Yasmeen
Please take a look at the following link and file. I hope you get the answer.
https://www.researchgate.net/post/How_fast_should_an_ELISA_plate_be_read
Note: i use the pNPP substrate for the Alkaline phosphatase
i have done RNA extraction and cDNA for tobamovirus then i made a PCR reaction using primer pair Tob uni1/Tob uni2 according to the protocol in Letschert et al., 2002 ( annealing temp. 60C for 45s...
11 December 2019 7,497 3 View
I work in plant virus and I use a specific primer to make the cDNA (I do not use oligo dT or hexamer) and it works giving me a sharp band (photo in attachment) But when I made the PCR using these...
07 August 2019 1,597 3 View
I want to do a pcr test on Alfalfa mosaic virus and i need a postive control to confirm my results . So how can i get or buy it.
04 May 2018 8,747 2 View
There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...
06 August 2024 7,102 0 View
The delta function seems produce logical contradictions when analyzed on a fundamental level. I would be curious if anyone else agrees.
31 July 2024 10,109 3 View
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
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
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
Is it appropriate to place the ATG codon in front of the gene of interest, since there is a secretion signal that has its own ATG in front of this gene? I need my protein of interest to be...
10 July 2024 3,050 5 View
There are few business activities more prone to a credibility gap than the way in which executives approach organizational life. A sense of disbelief occurs when managers purport to make decisions...
08 July 2024 1,323 2 View
Dear Colleagues and academy, I am conducting an action research study to understand the impact of phonological awareness activities using Quizlet and Boom on the reading comprehension skills of...
02 July 2024 8,480 0 View
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
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