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 can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 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

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View

What is the most suitable resuspension buffer for TCA/acetone precipitated protein?

I need to extract protein from fermented carbon sources for Bradford assay. Most researchers experiencing insolubility of pellet in resuspension buffer. Please assist me to select most suitable...

26 February 2021 7,129 3 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View