Tips on Installing an Ion-Exclusion Column and Extending Column Lifetime

Extending ion-exchange column lifetime

Guest Author: Grace Guo, Phenomenex Technical Specialist Ion-exclusion columns, such as the Phenomenex Rezex column, have been widely used on the analysis of sugars and organic acids. The aqueous based Continue Reading

Protein Therapeutics and the Best Methods to Analyze Them

protein therapeutics

Author: Chad Eichman, PhD – BioPharmaceutical Global Marketing Manager What are protein therapeutics / monoclonal antibodies? Protein therapeutics, specifically monoclonal antibodies (mAbs), have emerged as the most marketed biologic drug Continue Reading

Sitting with Scientists: Srinivasa Rao, PhD. – The Ion Exchange Guru

Srinivasa Rao, PhD.

Interview with Srinivasa Rao, PhD., Senior Scientist at Phenomenex An accomplished scientist in monoclonal antibody and protein analytical development, purification, and characterization, and has also designed columns, applications, and method Continue Reading

What is HILIC Separation? What Does It Mean For You?

La cromatografía de interacción hidrofílica

By Scott Krepich, Food and Environmental Application Scientist Hydrophilic Interaction Chromatography (HILIC) is a variant of normal-phase liquid chromatography that partly overlaps with other chromatographic applications such as ion-chromatography and Continue Reading

Technical Tip: Peak Apex Flattening

Peak shape issues at the apex of a peak are typically related to detector saturation. This symptom can be observed as flattening and/or noise at the peak apex.

Technical Tip: Protein Precipitation

protein precipitation

Scientists aren’t perfect. Nobody is. In our Technical Tips, we can solve your most debilitating issues—from mechanics to methodology—together.