Asal Asali

5 Questions 6 Answers 0 Followers

Questions related from Asal Asali

Pillar array columns: are there other possible separation modes than reversed-phase?

I am wondering if it is possible to use pillar array columns for separations other than in the reversed-phase mode? I have found a paper explaining the difficulty of coating the pillar surface...

07 July 2018 279 3 View

What are the main (fundamental) limitations impeding the development of column materials in UHPLC like IEX, SEC etc.?

UHPLC is commercialized since 2004, but there are still far less columns available with sub-2 micron technology than there are for HPLC columns. Are there limitations regarding the development of...

06 June 2018 755 3 View

Are there any type C (silica-hydride) sub-2 um or core-shell particles available?

I could not find many articles that describe type c silica supports in sub-2 um or core-shell technology. What is the reason?

06 June 2018 891 2 View

Why are there not many ion-exchange columns with sub-2 particles?

I'm guessing that it is because conventional IEX uses non-porous particles (NPP), and with UHPLC sub-2 particles the focus is to decrease mass-transfer kinetics, which can not be improved much...

06 June 2018 1,538 1 View

How to further improve LC-MS/analytical chemistry skills

I finished my masters in analytical chemistry, but there is so much more to learn. My main interest is the hard core fundamentals of chromatography and mass spectrometry. What positions in the...

01 January 1970 1,792 9 View