Can anyone suggest how to brake DiI crystals to very small sizes?

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Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

Could someone please provide a list of journals that accept the application of methodologies in nature-based solutions?

I am looking for journals that admit the publication of results from applying the IUCN Standard for designing and monitoring Nature-based solutions. Many thanks for considering my request.

23 July 2024 6,444 2 View

Are there always been barcodes, apapters and primer sequences in the FASTQ files of NGS?

Hello researchers, Sorry for my stupid question. I am learning the QIIME2 workflow for analyzing some 16s amplicon NGS fastq data. I found a very nice paper with data and code public available...

20 July 2024 5,405 2 View

How to determine LOD values?

I am performing fluorescence experiments using a ligand to detect metal ions. I want to determine the Lowest Detection Limit (LOD) using the formula LOD = 3σ / K. However, I'm uncertain about...

19 July 2024 1,086 1 View

How can I publish my final master project as an article for a scientif journal?

I am interested in publishing an updated version of my final master´s project in Spain and i am not sure which steps to take. I am open to suggestions.

16 July 2024 7,431 1 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

THP-1 cells completely dying with PMA, help?

Have been trying to induce THP-1 using PMA at different concentrations (range from 5 to 50 ng/mL) but after 48h all the conditions except the control are mostly dead, checked by trypan blue and...

03 July 2024 3,884 5 View

What is reflexes and legend in XRD analysis ?

The reflexes within the measured XRD pattern are not clearly visible or fully indicated, and a legend is missing. explain this.

27 June 2024 7,257 3 View

Can anyone share the JCR impact factor for 2024?

Please can someone share the list of journals with impact factor published in 2024?

27 June 2024 2,927 0 View

Is is posible a negative eelative predicted relevance q2 in PLS SEM?

I am working on a paper and need to calculate the q2 value in a model. However, I found that some of the values are negative. I am trying to interpret these negative values. Does anyone have any...

26 June 2024 1,176 0 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Why Powder XRD is performed after cruhsing a crystal if Single Crystal XRD analysis of the same crystal has been performed already ?

What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?

30 July 2024 6,261 4 View

How to know the b axis of a single crystal?

How to apply magnetic field parallel to b axis of any crystal

29 July 2024 4,083 2 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Is it possible to run the AIMD within a system using virtual crystal approximation (VCA)?

I want to study the thermal properties of a mixed system which is constructed by virtual crystal approximation in VASP. When I try to run the ab initio Molecular Dynamics of this system in VASP, I...

19 July 2024 6,569 3 View

What is the angular difference between two sets of Euler Angles?

Let's say I rotate a hexagonal crystal using Euler angles (φ1, φ2, φ3); and rotate another similar crystal using Euler angles (ψ1, ψ2, ψ3). What would be the angular difference between the final...

17 July 2024 5,582 1 View

How we can make this(as in figure) type of crystal structure (any software)?

I want to make this type of structure. Can anybody recommend the application for this?

15 July 2024 5,864 2 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

How long takes to a batholith to crystallize?

How long would it take for a 'normal' granitic batholith to crystallize? Are there any calculations on it?

12 July 2024 7,436 0 View

Metallic system in quantum espresso with no smearing. Is this possible?

Hi! I'm simulating a specific material on Quantum Espresso, and I found something strange. Initially I've performed simulations on FCC InAs crystal and I used the Hubbard correction to reproduce...

02 July 2024 9,323 1 View

Firoozeh Pourjavaheri

If you are talking about powder size maybe Rocklabs Ringmill Grinder, equipped with a zirconia mill head, from Rocklabs Ltd., can help.

Janez Zavašnik

When for small quantities, you can always freeze them with LN2 and use agate mortar. This can work for PXRD or TEM analyses...

Eduardo Sanchez

This is for histology anlysis of neurons