Can I use the CHARMM GUI input files for Gromacs in HPC?

Good day everyone! I am a Biochemistry undergraduate in the Philippines and to be very honest, we have no background in bioinformatics since we really focused on wet lab techniques + theory. Due...

15 February 2021 3,422 4 View

Cause of slow bromophenol blue migration and smearing while running SDS PAGE?

While running gels for western blotting, I am currently getting, what seems to be, the blue dye from my sample buffer migrating more slowly in sample lanes leaving blue streaks. These transfer to...

08 February 2021 5,317 3 View

How to quantify how much of a fluorescent dye is entering a cell?

I'm looking to compare a few fluorescent dyes for cell permeability. I'm interested to see how much of the dye actually enters the cell, but would specifically like to quantify this data. Any...

21 January 2021 6,089 3 View

Same sample, significantly different trace for DMF vs. THF for cyclic voltammetry?

Dear reader, I've been having trouble with my cyclic voltammetry recently, but I then had a break through and managed to get apparently "clean" results using dry, deoxygenated THF and/or DMF,...

06 January 2021 4,312 3 View

Can I use GROMACS for field-theoretic simulation of copolymers?

I need to know if I can use GROMACS instead of LAMMPS for my undergraduate thesis wherein I will generate phase diagrams of copolymers using FTS. Thank you so much!

22 November 2020 3,725 3 View

How to quantify lncRNA/miRNA in ribosomal depleted RNA-seq?

I did some ribosomally depleted RNA-seq in rat brain. Does anyone have recommendations on how to quantify/compare small RNA expression between samples? I have used RNA STAR to map reads back to...

11 November 2020 5,331 1 View

What are some essential steps when using THF for cyclic voltammetry?

I'm new to electrochem/cyclic voltammetry. I'm interested in measuring cyclic voltammograms of organic semiconductors in organic solvents, specifically, THF. I know that in principle I should be...

09 November 2020 2,298 4 View

Why does my plasmid grow when transformed into DH5a competent cells but not BL21?

I have a custom plasmid which expresses mCherry and will act as a reporter. I can transform this plasmid into DH5a and BL21. With DH5a I get a good number of singular colonies, but with BL21 I get...

02 September 2020 9,063 3 View

At what stage of development do animals develop sentient?

I'm trying to find out in the development between being an embryo and an adult animal does the animal become phenomenally conscious? I'm especially looking for recommendations for articles on the...

30 August 2020 3,815 3 View

How to depolarize cultured primary neurons with KCl without them dying?

14 August 2020 1,488 8 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

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22 February 2021 9,932 11 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

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View

How to measure the pH of Peat Soil?

Peat possess organic content above 75% and is highly acidic in nature (i.e. pH < 4). Before commencing stabilization, it is mandatory to know about the pH level of peat. Therefore, your...

18 February 2021 9,424 7 View