Would you kindly send me a reference listing CMC of SDS, CTAB and Triton-X-100 in different solvents and cosolvent mixtures?

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Where I can find tutorials for using AMBER molecular dynamics software on supercomputer?

Hi, I am wondering what are the files that should be prepared? how? commands? that enables me to perform MD simulations using AMBER on Supercomputer.

11 December 2019 6,157 5 View

What database or anything else enable me to find the pharmacological actions of certain pharmacophore?

I want to find a database in which i can draw the chemical structure of the core ring and it will give me all the published structures with their biological activity. For example, the...

05 June 2018 1,361 11 View

How can I get a list of FDA-approved drugs of certain category?

I'm wondering how i can find an updated list of FDA-approved drugs for example, proton pump inhibitors, Topoisomerase inhibitors or whatever category.

04 May 2018 5,097 5 View

Any recommendations for highly viscous solvent but should be non-polar and aprotic one?

I'm wondering if you could suggest highly viscous solvent which is non-polar or slightly polar and can't form H-bond interactions. Most preferrably: a glass forming solvent at low temperatures to...

04 May 2018 3,629 4 View

Where I can find a downloadable list for Quartile (quantile) journals ranking?

I'm also wondering is this ranking standard or it differs from website to another.

02 March 2018 6,987 7 View

Some questions regarding proteins sequence and structural comparison?

I hope you can help in these matters. 1) What is the difference between sequence and structural comparison between proteins? 2) Which website or software is good to use to perform this task? 3)...

10 November 2017 9,829 5 View

What are files required to submit GROMACS job on supercomputer?

I don't know how to prepare input and script files for GROMACS. I appreciate if you could share example for a small job. I learnt that i have to convert .pdb file to .gro but I don't know how.

08 September 2017 2,748 13 View

Intermolecular H-bond bond can be converted into a covalent bond ?

From scientific point of view, if a h-bond is formed as in RN-H.....NAr The covalently bound proton can transfer to other side forming RN.....HN+Ar if it can take place, is there a reference for...

07 August 2017 10,152 6 View

How to purify BSA (Bovine Serum Albumin) for Absorption/Fluorescence spectroscopy use?

As you know, BSA is commercially available as 96% and 98% pure. It contains also fatty acids. Therefore, i'm wondering how to get BSA purified.

07 August 2017 5,133 3 View

Understanding synchronous fluorescence spectrum?

In Synchronous spectrum, both Exc and Fl monochromators are scanned simultaneously. MY questions are; 1) How to determine delta wavelength 2) if delta wavelength is 20nm, does it mean the data...

06 July 2017 4,191 4 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

I need JCPDS file of LSFCO nanomaterial. Can anyone provide me?

Require for Rietveld refinement in XRD.

08 August 2024 3,081 2 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

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 613 3 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

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

Hello, regarding Mxene 2D titanium carbide?

I fabricated Ti3C2Tx using concentrated HF 40%, I plot an XRD as attached image below.. please let to know if I obtained it or not.

02 August 2024 6,789 4 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View