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

Is it possible to create the plasma in chamber?

Hello As a graduate student, I work on building a plasma-effect layering system. Recently, we have been able to easily produce plasma through high voltage of about 2 kV and current of 500 mA (AC)...

18 October 2020 3,427 3 View

How to measure the approximate mass of the attached layer to QCM-D silica coated sensor using the stitch function?

I am trying to form a covalently-bound layer of MPTMS on a QCM-D silica coated substrate, and want to use the stitch function in QTools to approximate the mass of the layer. I do not know which...

24 August 2020 2,076 3 View

Do XRD peaks shift due to the presence of amorphous substance?

For example, given some quartz particles are wrapped by a kind of amorphous aluminosilicate gel, would the amorphous gel disturb the path of X-Ray beam, causing the peaks to shift? Thank you very...

03 August 2020 863 3 View

How to isolate amorphous silica from quartz by physicochemical methods?

Hi, I have a diatomite powder which contains a significant amount of the quartz which I want to isolate by physical or chemical methods. Thank you.

14 July 2020 3,808 2 View

How can we cut the most intense peak of an XRD pattern so as to magnify the minor phase peaks?

05 May 2020 7,005 2 View

How can I separate hematite from bornite in a powder?

17 March 2020 570 3 View

Whats your idea about Au mineral and Bi mineral in Quartz veins ?

I saw two minerals in quartz veins (Au mineral and Bi mineral ) in an epithermal deposit. could you please help me how to interpret it.

04 February 2020 1,307 4 View

Why fluorescence quenched in hematite-TPM micro particle?

I was trying to dye hematite-TPM (3-methacryloxypropyl trimethoxysilane (TPM) encapsulates 600 nm hematite cube) with Bodipy dye by swelling the particle with THF and dye mixture, then deswell,...

15 January 2020 4,001 4 View

Why fluorescence quenched in hematite-TPM micro particle?

I was trying to dye hematite-TPM (3-methacryloxypropyl trimethoxysilane (TPM) encapsulates 600 nm hematite cube) with Bodipy dye by swelling the particle with THF and dye mixture, then deswell,...

31 December 2019 343 4 View

Quartz (amorphous) vs. Glass proportion determination in unknown sample ?

Hi all, I've been trying unsuccessfully to determine the proportion of fused silica fibers (pure amorphous silica) within a matrix of glass fibers (silica glass containing various minor oxides :...

18 December 2019 6,853 3 View