How come that the potassium salt of D-luciferin is yellow from some manufacturers and almost white from others?
Maybe, it depends on the pH of the initial solution or how well was the solvent removed. But that's just a guess.
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 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
After deprotection of the tert-butyl ester to generate the carboxylic acid in chloroform with TFA, my compound‘s pyridine moiety forms a TFacetate ammonium salt (small molecule drug, not a...
29 July 2024 9,753 3 View
"The Correlation between Nutrition and Transport Mechanism under Abiotic Stress in Plants: A Comprehensive Review" by Muhammad Saleem, Jianhua Zhang, Muhammad Qasim, Rashid Iqbal, and Li Song,...
23 July 2024 9,109 0 View
I need to do TEM analysis for my Polyaniline emeraldine salt form. May I know which solvent is appropriate for preparing TEM sample?
25 June 2024 9,086 3 View
In most colorimetric determinations of methylglyoxal, there is neutralization using saturated potassium carbonate, and perchloric acid is added to the final reaction. I would like to understand...
23 June 2024 2,074 0 View
I am working on an acetyltransferase that is highly unstable. Its pI is 6.65, and its molecular weight is around 18 kDa. The protein elutes at 1M imidazole and begins to precipitate immediately...
19 June 2024 2,590 0 View
Dear all, For higher biomass for saccharomyces cerevisiae which media is suitable in shake flask? 1. YPD media 2. Basal salt media and what is the optimum C/N ratio ( 5:1 /10:1). Thanks &...
18 June 2024 2,106 0 View
I'm following a paper for their HPLC methodology, but I'm having a hard time understanding how to make mobile phase A. To quote: "Mobile phase A is a mixture containing 0.2% potassium dihydrogen...
13 June 2024 8,321 1 View
A 30m ZnCl2 aqueous solution is needed to prepare and use the electrolyte, as used in some references denoted below. [Chen, Ze, et al. Journal of the American Chemical Society 145.37 (2023):...
11 June 2024 4,479 1 View