Does anyone know how to prepare the bromophenol blue solution to determine the Quaternary Ammonium Compound?

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How observe stem cells in Scanning Electron Microscope without using scaffolds?

Hello, I have stem cells in culture in a plastic flask and I want to observe it in a Scanning Electron Microscope (SEM), i want to know if there is a special preparation to the culture whitout...

14 April 2019 8,669 2 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

What is the best visualisation solvent for xylooligosaccharides using TLC?

I am interested in using TLC to detect non-linear xylooligosaccharides. What would be the best visualisation solvent? Would aniline phthalate solution be suitable? I have also seen people...

02 February 2021 7,748 3 View

Are any database collected cell penetrating anticancer peptides ?

Dear researchers, Anticancer peptides(ACPs) with cell-penetrating properties can enter to cytoplasmic space of cancer cells and induce cell death. but, I could not find the database that...

29 January 2021 707 3 View

Can anyone help me to separate my phenolic compound in TLC with any new solvent system ?

My Compound is Leaf powdered Methanolic extract which is showing good phenolic compounds upon dipping in FeCl3. -My problem is phenolic compounds are not eluting with any common solvent system.

22 January 2021 4,693 7 View

What could be the reason behind decrease in transmission (around 1200 cm^-1 ) in the FTIR spectrum of gas phase organic compound ?

Hi, I have been analysing gas phase organic solvents with the help of FTIR. The spectrum looks a bit weird around 1200 cm^-1 (see attached image). I noticed a similar behaviour when the gas cell...

12 January 2021 3,286 8 View

Why is outcome of a natural product discussed in terms of phytochemistry of its constituents instead of as a whole substance?

it has been observed that publication of an outcome of a natural herbomineral product in a clinical study contains mechanism of action in terms of chemistry of individual constituents of the...

04 January 2021 7,372 3 View

Hello, I need help to separate the mucilage found in an aqueous extract ?

During the process of aqueous extraction of phenolic compounds, I got a mucilage that must be separated from the extract that I would like to study. Thank you for your help.

03 January 2021 1,765 3 View

Response Surface Methodology?

I'm using 3 different light intensities (constant values 15,30,45 W) for the wastewater treatment of an organic compound and optimizing the parameters (pH, catalyst dose and light intensity)...

31 December 2020 2,377 4 View

For experts in Gaussian 09 for windows?

Dear Friends: 64 bit Gaussian 09 software for windows is more expensive than 32-bit Gaussian 09. In our work, we deal with coordination compounds with about 50 atoms. So, can we use 32-bit...

27 December 2020 2,877 2 View