Unwanted Real-time PCR signal - probe degradation - if so why?

Hi All If you take a look at the image, the upper virus X assay (for Rotavirus) is giving off a lot of fluorescence at the end of the run (circled) which is clearly not real (we know these are...

02 March 2016 3,832 9 View

Can anyone help with removal of non-specific agglutinate for influenza haemagglutinaion inhibition assay?

Hi guys I'm running the HI assay on 2300 sera using A/California/07/09pdm as the antigen and type0 human rbcs. All sera have been rde treatedbut is itnecessary torrent all by adsorptionwith rbcs...

05 June 2015 9,014 2 View

Can someone help with the interpretation of Influenza haemagglutination inhibition assay results?

05 June 2015 452 9 View

Can someone help regarding RBC pelletet in the influenza haemagglutination inhibition assay?

Gi often get nice pellets forming but they sometimes don't seem to run when I tilt the plate, should I count them as antibody positive.for example streaming ofpellets has occurred up until the...

04 May 2015 7,183 3 View

Why does my dmem turn purple?

04 May 2015 9,174 10 View

Does anybody have a strain of MDCK cell line that they know will support replication of A/California/07/09pdm?

03 April 2015 2,526 4 View

Is there an optimum time point (day/hrs) to harvest influenza infected culture supernatant to obtain a high titre for the haemagluttination assay?

02 March 2015 6,488 13 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

What is the standard protocol in doing replicates for C. elegans lifespan assay on solid media (thru worm picking)?

I would like to know what is the standard protocol in the number of worms per plate and number of plates per concentration of extract X in a lifespan assay done in solid media and not automated...

23 February 2021 9,933 1 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

Did anyone perform CD107a degranulation assay without the use of inhibitors like monensin?

I am planning to perform a degranulation assay using CD107a antibody. Some resources suggest to use inhibitors like monensin to inhibit the intracellular traficking and acidification of the...

21 February 2021 6,260 3 View