The MnO2 I am using is a nanoparticle. Does anybody know how much manganese oxide should I add to polystyrene?
The best polar solvent DMF or DMSO.
If a journal informs you that references in your manuscript are old and you need to replace them with new references. What year is considered a new for references in the standards of the journals.
03 April 2019 4,527 2 View
I am working on the preparation of graphene using electro-exfoliation of graphite. But I do not have RAMAN, SEM, or TEM. But I do have a spectrofluorometer in the lab I work in. Can this...
03 April 2019 6,553 3 View
This problem happened to me on my Windows 7 PC. My second PC that runs on Windows 10 had no problems with updating.
10 November 2018 9,580 4 View
I do not know if this problem has ever happened with anyone else. But, whenever I add a new citation or refresh references from Mendeley tool in my Microsoft Office 10, the references will flush...
07 August 2018 9,418 0 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 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
As, my studies are related to water adsorption, the substrates should be hydrophilic in nature. Ni-foam being hydrophobic in nature, the results are not as expected as in literature. Hence i...
14 July 2024 8,847 4 View