Why mostly urea is used?
How to decide which solvent is good or the mixture of solvents of better?
How one can run a reaction without autoclave?
06 July 2018 7,508 2 View
Can a catalyst be attached on glassy carbon in different ways? I am synthesizing electrocatalyst. In order to find its CV, I have to attach on the glassy carbon. i am looking for ways by which i...
06 July 2018 5,010 6 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
I want to remove Urea from my protein (6kDa) sample. I did use : 1. Step down the Urea gradient (dialysis) in order to remove urea and refold my protein, but my protein still contains urea in the...
06 August 2024 1,350 4 View
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
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
Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?
22 July 2024 1,210 2 View
Is it the best optimization ratio based on experiments?
22 July 2024 8,170 0 View
If you don't understand my question let me know
21 July 2024 563 1 View
I used several solvents and measured the absorbency and determined the total phenolic content, but the results were similar after dropping them on the titration curve; What is the reason, please help
17 July 2024 5,151 5 View
Hello everyone, I am facing a consistent issue in my NMR spectra with an unwanted peak appearing at 1.25 ppm. This peak seems to vary with the amount of sample: it becomes more pronounced with...
15 July 2024 9,065 4 View
I synthesised a nanocarrier by conjugation MOF (MIL-100) with folic acid for use in chemotherapy but the samples didn't dissolve completely in aqueous solution or DMSO. Instead, they only...
15 July 2024 2,414 1 View