MSTFA is a sylilating agent. I opened its vial but after 2 days it evaporated and ppt was retained
Is there any solvent suitable to dissolve it?
Good afternoon all. If someone would kindly answer the following questions, it would be greatly appreciated. Suppose I have a function f[x_,y_] := x2 + y2 + xy2...
02 October 2023 7,611 2 View
Colt J, Orwicz K and Bouck G 1991 Water quality considerations and criteria for high-densityfish culture with supplemental oxygen Proceedings of Fisheries Bioengineering Symposium:American...
23 August 2023 1,729 1 View
In a first part, I started the isolation of strains of actinobacteria from agricultural soil where pesticides are used intensively in order to obtain isolates capable of degrading them but my...
21 November 2022 4,642 4 View
I have checked the psychometriclab.com and there is no French version for the TEIQue Long form or the short form , but preferably the long form.
13 September 2022 1,575 3 View
I also need to know the equipment needed for this operation
07 July 2022 1,554 0 View
I am currently interested in autonomous construction vehicles. Specifically I am looking at the model and Control of crawler loaders. So if you could recommend any books or articles on the topic...
07 January 2022 3,020 3 View
Dear All, I have successfully applied NSGA-II on a multi-objective optimization problem. While I was observing the results during the optimization process, I have noticed that some variables...
31 August 2021 7,465 7 View
I am trying to find there is a more accurate method to calculate percent DNA methylation, other than the fractional abundance provided by the Quantasoft system when analyzing samples using Droplet...
25 July 2021 3,911 0 View
Recently, citizen science projects take a big part of the scientific community all around the World. Thus, non-scientists can meaningfully contribute to scientific research. Is it a good thing?
28 May 2021 289 5 View
- Machine learning, deep learning - urban and/or rural context - a single drone and/or a fleet of drones - with/without edge computing Thank you in advance!
19 May 2021 4,315 3 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
99% pure ethanol was used for maceration also alternate methods along with the temperature and time to concentrate the extract can be specified
31 July 2024 5,113 4 View
I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....
28 July 2024 9,545 6 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