Any suggestion to prepare this compound or its derivatives.
Salam to everyone I know how to prepared the ratio of the mentioned mobile phase . but my question how much the concentration of potassium phosphate buffer which can i mixed ? thanks
31 December 2018 9,849 7 View
In the setup of freeze dryer there are freezine ,main drying and final drying . to remove water from drug formula what is the best condition ? timer in main drying longer than final , both equal...
07 August 2017 2,690 4 View
If any one could help me to learn or apply a sample ( prepared compound) on a mice to know it's effect as a toxic or not.
02 March 2013 3,575 2 View
I prepared some heterocyclic organic molecules (derivatives of 1,3- oxazepine -4,7-dione and 1,5-dione) in my Ph.D program and I wrote a literature review about my project, but I need to be sure...
08 September 2012 7,265 76 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 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
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
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 have used Prussian blue nanoparticles as a redox couple. The PBNPs have been made using only one salt precursor. Also, during scan rate studies, a small oxidation peak can be consistently found...
31 July 2024 9,697 0 View
Hello,, The metal complex ligand appears incomplete in the screen of the discovery studio visualizer
30 July 2024 3,354 1 View
Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...
30 July 2024 435 3 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 1 View
