Is it due to more interaction between reactants?
Are there any beyond 118 elements that created and submitted yet?
08 September 2017 5,240 1 View
Can a covalent bond form between an anion and a cation? (Such as zirconium phosphate, Zr4+ and PO43-) As you can find in Wikipedia about zirconium phosphate : "Of the four oxygen atoms in the...
08 September 2014 8,389 2 View
In the synthesis of 3,4-dihydropyrimidin-2(1H)- ones, in the last step of the reaction mechanism, why does an imine be produced not an enamine? (see attached file)
08 September 2014 3,867 7 View
For example throw a condensation reaction at 40 or 60 0C.For example, condensation of amines and carbonyl? and what if water were used as solvent?
07 August 2014 8,784 12 View
Or is it better to say "Enzymes are the most important class of biocatalysts"?
05 June 2014 4,044 1 View
Is this about steric factors?
04 May 2014 6,749 12 View
Is this because of more nucleophilicity of phenolic -OH?
01 February 2014 1,759 5 View
I mean the position and the strength of the peaks.
31 December 2013 8,308 4 View
PVA: poly vinyl alcohol and PVP: poly vinyl pirrolidone. water as solvent.
31 December 2013 9,465 9 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...
09 August 2024 5,444 7 View
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
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Metal-containing heterogeneous catalysts often need to be calcined before reduction, so what are some examples of catalysts that perform better without calcination? What is the reason and how many...
05 August 2024 909 2 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
I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?
02 August 2024 7,186 6 View
I am following Hainmueller, Hopkins, and Yamamoto's (2014) paper for my randomized conjoint experimental data analysis. The link to the paper is provided below. I received a comment from the...
02 August 2024 4,406 0 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
