NAND flash recovery?

Hi Due to not being able to access University tools etc. I am stuck using recovery software such as recuva etc. I guess the question I'm trying to ask is how would I go about analysing results...

12 October 2020 437 1 View

The porous nature of the material should show up in the impedance behaviour in terms of inductance element?

The porous nature of the material should show up in the impedance behaviour in terms of inductance element. I do not see any value given for the inductance at the interface in these plots which...

01 October 2020 7,504 2 View

No title

Due to COVID- 19, pupil teacher of teacher training programs are doing school internship in online mode which they are completely opposed to. What do you think as to it will adversely affect their...

09 August 2020 756 20 View

How to correct invalid atom type error in gromacs?

27 April 2020 1,318 3 View

How to fix lincs warning in free energy calculation?

Dear Researcher I am having trouble during free energy calculation in gromacs as below:- I ran an MD simulation for 3ns and from the last coordinates started a free energy calculation for 3ns. My...

24 March 2020 5,311 9 View

How to visualize CHGCAR file of VASP in VESTA?

In vesta, I am not able to visualize CHGCAR file created by vasp. As I try to open it, the vesta window turns grey. kindly help

23 March 2020 1,155 7 View

Why peak current of oxidation or reduction of analyte decreases in MOF modified electrodes compared to bare?

I am working on Metal Organic Frameworks for electrochemical sensing of organic pollutants. For this, I am preparing MOF solution (1mg/ml ethanol) and dropcast on GCE, air dry then drop cast...

27 February 2020 525 4 View

How to fix Residue mapping error for an amino acid in gromacs?

Dear Gromacs users I want to do MD simulation for my protein but when I run pdb2gmx command I am facing this error:- WARNING: WARNING: Residue 197 named PRO of a molecule in the input file was...

12 November 2019 5,425 3 View

Why editconf removes ligand during box formation in gromacs?

Hi Gromacs users I am trying to set a protein-ligand system in gromacs for MD simulation. I took topology and gro file from an external source. Now I combine the gro file of ligand and protein...

09 November 2019 2,785 8 View

How to take photos of the bacterial culture plates and flasks and bottles with a dark back background for a clear image?

How to take photos of the bacterial culture plates that I can present in my paper or powerpoint presentation?

29 September 2019 9,298 1 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 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

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 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 it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View