Sample size calculation?

07 September 2020 1,318 4 View

When can E.coli secrete most of the extracelluar protein?

Hello, I'm doing optimization of an extracellular protein cloned in the pET26b vector along with PelB leader sequence. I want to know the best time at which cells can secrete most of the protein...

13 October 2019 5,915 6 View

How to confidently predict the 3D structure of a protein?

I have tried to predicted the 3D structure by using multiple online softwares like I-TASSAR, MUSTER, Swiss-Model and (PS)2 but predicted 3D structure from each software has bad quality and can not...

27 November 2018 9,085 3 View

How to do molecular dynamics simulations for investigating the effect of non-synonymous mutations on protein structure through Discovery Studio??

Hello, I want to do simulations analysis for investigating the effect of non-synonymous mutations on protein structure through Discovery Studio. Kindly suggest me a protocol. Thanks

11 February 2018 9,627 3 View

How do you calculate the total phenolic contents in a plant extract sample?

I have to find out the total phenolic contents in five different plant extracts. I have read many papers but am unable to understand the calculations how to express total phenolic contents as mg...

26 November 2014 5,255 56 View

Can anybody suggest a suitable region to design porcine specific qPCR assay, apart from mitochondrial genome?

I want to design species specific primers and probes for porcine, bovine, ovine, chicken etc, as mitochondrial genome is really conserved it's really difficult to design assays from MT genomes....

05 August 2014 8,873 3 View

What is the exact mechanism of selection of an X-chromosome for inactivation during female embryonic development?

It is said that a default state of the X-chromosome in female mammals is inactive and one of them is activated, as in case of females with three or four X-chromosomes, i.e. all except one remain...

26 September 2013 7,614 2 View

Can Anyone tell me how can we plot data for TGA curve through the data? i want to plot mass % v/s Temp but i dont have any data for mass %?

01 January 1970 6,946 3 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

How to calculate the fraction metabolized of a drug by an enzyme using clearance(ml/min) values of the metabolite formed?

I am trying to find the fraction metabolized of a drug by CYP and UGT enzymes. I am unable to get the values of fraction metabolized (Fm) directly from the literature. Can we calculate the Fm of a...

21 February 2021 5,379 2 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