I do not have a Fluorometer and I was wondering if it is possible to use a nanophotometer instead?
If you don't have access to a device measuring fluorescence, don't bother using a fluorescent dye, just measure the A260, and, if possible, the A260/A280 ratio.
Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...
02 March 2021 7,829 3 View
Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...
01 March 2021 3,052 3 View
As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...
23 February 2021 3,175 3 View
Just want to be clear and know it is okay to say I have distributed the qualitrics link through social media such as Facebook, Instagram and Twitter to ensure my target audience is reached in my...
21 February 2021 5,143 2 View
Hello everybody, I have a problem with SDS-PAGE and I do not know why my samples stop at the top of the resolving gel and they do not run through it. The percentage of gel is 15% and the size of...
14 February 2021 9,116 6 View
We are conducting a pilot study of an intervention for informal caregivers of persons who have recently received a bone marrow transplant in the US. If you know of anyone who might be interested,...
13 February 2021 9,174 1 View
Dear researchers It's well-known that the maximum light absorption of any structure can not be greater than 50%. Is it possible that the single-pass absorption exceeds 50%? How?
17 January 2021 2,335 7 View
Dear all, I have a question regarding the most appropriate fit of a standard curve in an enzyme-linked lectin assay set-up to quantify the amount of mucin secretion in conjunctival explant...
03 January 2021 1,010 6 View
Hi, I'm a postgraduate student currently starting up a research project on attitudes towards domestic violence (DV). The study will aim to compare cultural differences between attitudes and...
31 December 2020 781 3 View
Hi everybody, Does anyone have a good protocol for protein purification using AKTA? I have tried to purify two proteins but after several attempts it was not successful. So, I really appreciate...
28 December 2020 5,220 15 View
Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...
03 March 2021 401 4 View
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
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
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
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 without necessarily conducting the assay for an extended...
23 February 2021 7,842 1 View
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
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
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
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