Does calculating the interaction index between a drug and a food matrix make sense?

Dear all, I'm conducting the revisions of some of my manuscript, with is the impact of the combination of Aspirin and a fruit juice in colorectal cancer cells. Two of the reviewers have asked to...

16 February 2021 3,141 3 View

Is it possible to full-couple the interFoam solver with the chtMultiRegionFoam solver?

We need to calculate multiphase stream of the one substance in the air atmosphere (this is why we using interFoam), but also we need to get heat transfer data between the substance, solid obstacle...

11 January 2021 872 2 View

Does anyone have experience with Land use/land cover data extraction from Second military survey maps?

I am trying to create polygon shapefile with land use from Second military survey using Arcmap. However, I really have hard time with reading the map, more correctly with boundaries between...

07 November 2020 6,018 3 View

How do I remove Bacillus sp. spores from Kraft Paper machine?

In the pulp and paper company that I work in, samples from paper, water and pulp from the paper machine gave information about existing spores of Presumptive Bacillus cereus. Our paper is used...

03 November 2020 1,726 10 View

What volume of a cell lysis buffer does one use for cells?

I have certain cells that are contaminant cells in a suspension of cells. I found a buffer that selectively removes them, but a lot of protocols don't specify what volume one should use for that...

03 November 2020 6,330 3 View

Best protocol to perform Western Blot from mice brain?

I am trying to look at the expression of c-fos nuclear protein in mice brain using WB technique. Can anyone suggest a protocol to extract the proteins? Better harsh homogenate before sonication?...

27 October 2020 5,272 2 View

Checking purity of sperm suspension?

I have sperm cells extracted from epididymis of a mouse. I would like to check and quantify their purity. My first idea is to use an intercalating dye like Hoechst and then see what fraction of...

25 October 2020 8,600 1 View

What do you think now of virtual teaching compared to face-to-face teaching of finished transmission of knowledge?

21 September 2020 4,178 10 View

How to store W/O droplets for over 10 days using paraffin oil with Span 80?

I am currently using a PDMS chip to produce water droplets with a diameter of 200 um in paraffin oil with 3wt%. After a couple of hours, the stationary droplets stored in the chip starts to form...

18 August 2020 2,459 3 View

How do you use factor analysis on categorical variables?

Hi, I'm trying to identify how similar different individuals are in their body traits. Normally, I would use a PCA or DFA, depending on my question. However, I have only categorical variables...

20 July 2020 4,171 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

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 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

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

Can I use a protein-devoid condition as my negative control in ELISA?

Hello, I am running a sandwich-type ELISA where I am trying to inhibit a protein-protein interaction using small molecules. For each experiment, I determine my Z' (Z-prime) to determine the...

23 February 2021 7,429 1 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