Speaking of the Brazilian test of Lobo Carneiro, which other researchers did similar tests?

22 October 2020 4,536 2 View

What is the best etchant for 3d-transitional metals high-entropy alloys?

I would like to reveal the as-cast dendrite microstucture.

30 January 2019 9,690 3 View

Metagenome Contig Taxonomic Classification Approaches?

If you were a researcher interested in investigating a particular group of prokaryotes (e.g. Cyanobacteria) from an environmental sequencing project, which of the following approaches to taxonomy...

26 October 2018 7,027 3 View

Is there an easy way to determine the area of a raster inside a polygon/shapefile?

I have a (1) polygon/shapefile of administrative boundaries and a (2) a raster with different categories (e.g. 1, 2, 3, 4, 5,) I would like to determine the area of the raster (only category 1)...

18 October 2018 4,545 5 View

Does the concentration of purified pcr product affect the result of NGS community distribution?

Although the loading mass for NGS would be the same, I am just thinking if it matters if my DNA concentrations after purification varies a lot (e.g. 20 vs 200 ng/uL)?

21 January 2017 1,798 1 View

What spider species is this?

Have a prosperous new year to everyone! What spider species is this found in a commercial swimming resort in Jasaan, Misamis Oriental, Philippines. Please help in identification

01 January 2017 5,295 10 View

What are current teaching strategies to teach various topics in Chemistry?

Can you share some teaching methodologies/strategies to teach specific topics in general chemistry?

30 November 2016 507 6 View

Diesel Combustion - Effect of pressure on boiling point temperature?

14 August 2016 2,806 5 View

How can one maximize both atomic absorption spectroscopy (AAS), and x-ray fluorescence (XRF) as techniques in determining and visualizing Pb content?

07 July 2016 8,766 4 View

What's the usual molarity for acid wash? (Nitric acid to wash away metals in glassware)?

I'll be making use of zinc solutions and as much as possible I don't want to cross-contaminate my samples

12 April 2016 5,548 1 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View

Magnetismic Gravity in the universe?

MAGNETISMIC GRAVITY What is magnetism? Something magnetic has a + and - charge. If 2 + or - are pushed if + and - are pulled. But what is the main reason for this? Why does magnetism have a pull...

21 February 2021 9,538 3 View

Has anyone succeeded in capturing uranium atoms in a fullerene structure?

Additional questions are: What are the encapsulating atoms? How difficult was the process and what rates were achieved? What factors most seriously affect the economics?

20 February 2021 3,134 5 View

How to get the vector of a specific vibration mode in phonon dispersion?

For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...

20 February 2021 4,332 4 View

What are the potential shell well and atomic solvation parameters for the boron atom?

I have a protein-ligand docking project. The ligand contains boron atoms that are not detected by Autodock software. To solve this problem, it is necessary to introduce the boron atom to...

19 February 2021 1,236 1 View

How to combine two geometries in LAMMPS ?

I am trying to simulate contact angle of water on a quartz slab using LAMMPS. I have created and equilibriated the quartz slab and the water cluster separately. Now I want to create a composite...

17 February 2021 5,884 2 View