(UP)LC-MS/MS is a chemistry technique that combines the physical separation capabilities of liquid chromatography with the mass analysis capabilities of mass spectrometry.
Is any classification for Protease or proteinase?
07 August 2015 1,395 4 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 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'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Are there any suggestions or insights you can provide to help address this problem
06 August 2024 1,443 2 View
I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this
05 August 2024 7,902 3 View
Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...
05 August 2024 3,084 6 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View
or we can collaborate
01 August 2024 6,705 2 View