Joon Sun Choi

3 Questions 9 Answers 0 Followers

Questions related from Joon Sun Choi

How to remove small protein/peptide? ( < ~3 KDa) ?

I'm trying to digest total protein extracts using trypsin for LC-MS/MS. I want to remove partially digested peptide/proteins( about larger than ~ 3 KDa) after i digested total protein...

10 February 2017 1,707 5 View

What is the difference between many HPLC columns?

I'm trying to get conditions for my HPLC experiment! But, i'm confusing what column is fit for my HPLC condtion. i want C18 column for analyzing organic compound from my bacteria strain. i have 4...

07 July 2016 1,915 8 View

HPLC Baseline drift problem!!? (with detailed experiment conditions)?

I'm try to gradient HPLC with Water/ACN including ammonium acetate, acetic acid(after i'll call ammonium acetate, acetic acid as two chemicals.) Using reverse phase C18 analytical column from...

02 July 2016 7,356 17 View