What is the difference between potency and assay of the pharmaceutical compound?
I am trying to separate secondary metabolites by atmospheric pressure column chromatography with silica gel (normal phase), the bands are normal at the initial stage but, as time goes on, the...
02 March 2013 7,652 23 View
What is the ideal difference between protein identification (of a proteome) and protein characterization?
02 March 2013 6,210 9 View
As I have a group of metabolite compounds (which are non polar) responsible for bioactivity I am trying to separate them with column chromatography and further with preparative HPLC. Am I on the...
02 March 2013 7,488 3 View
I looking for ferro calcium production process
03 March 2021 1,755 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
Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?
24 February 2021 7,545 2 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
I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?
21 February 2021 2,558 5 View