How to make the surfactant out of the CTAB powder from Sigma Aldrich??

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How magnetic propgation changes upon increasing temperature?

How can we determine the magnetic propagation from neutron diffraction.

04 January 2024 2,092 4 View

When we get more number of Raman modes than expected modes for a crystal structure?

Large number of modes experimentally detected what is the possible reason.

02 January 2024 6,926 2 View

What could be the maximum length of an endoscope to view arodent in a hole?

This device would help to detect enemy or their `store of arms in tonels.

24 October 2023 3,656 0 View

Could an endoscope view objects in mile long distantce in underground tunnels?

An endosope is used to view sites in side tubal structures of our body like somach, intestine trachea etc. Which is about 9 meters long. Could it be used to view longer distance like killomiters...

01 October 2023 7,955 2 View

How can we measure the length magnetic propagation vector with temperature?

I want to measure the length of magnetic propagation vector Kx o different magnetic phases. please give your suggestion.

27 September 2023 9,753 0 View

How to select no of hidden layers n deep learning models?

11 July 2023 7,651 4 View

Egg or hen, which came first ?

It is a perplexing question; everybody wants to know. Scientific knowledge on creation of everything, rather most of the things, is but quite recent. Life started first as living cells. They had...

20 June 2023 2,391 0 View

What is the difference between magnetic bubbles and magnetic skyrmions?

How they are related and what is the differences?

25 April 2023 8,868 2 View

What is Jahn-Teller Raman mode?

In Lanthanum manganate perovskite, we assign particular phonon mode as Jahn-Teller phonon mode. What do we mean by that, whether there is something related to crystal field splitting or that...

22 February 2023 8,594 1 View

Can we predict the type of magnetic interaction from Raman Spectroscopic study?

For understanding the magnetic phase transition in materials, by Temperature dependent Raman spectroscopy.

02 January 2023 7,609 3 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 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

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

How to eliminate the carry-over effect in GC-MS/MS system?

Hi, I am a PhD student working at Jagiellonian University, Faculty of Chemistry. My work is related to the development of new analytical methods for the quantification of short-chain fatty acids...

22 July 2024 5,492 6 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View

What are the principles of physical chemistry?

what are the main points

10 July 2024 9,236 5 View

What is the recommended type of pseudopotentials for QE?

Hello dear colleagues and professors Please what is the recommended type of pseudopotentials for QE? ultrasoft or norm conserving?? And from where get all types of pseudos (us, nc, pbe,...

09 July 2024 9,541 5 View

Is there any guidelines about zooming out a chromatogram?

Hi, Just curious to know that in chromatography, a chromatogram should be zoomed to what scale? 10 times of output , 50X or ..? Is there any regulation or general chapter which describes this?...

03 July 2024 3,119 6 View