¿Puede Tener Una Columna de UHPLC Demasiada Eficiencia?

Eficiencia

Le es suficiente una estabilidad acuosa del 100 % y una selectividad polar única para convencerle de probar Luna Omega? Bien, aquí presentamos otra razón igualmente convincente – Eficiencia. Autor invitado: Jeff Layne, Ph.D. La eficiencia Continue Reading

Performance Advantage of Core-Shell Technology To PAH Analysis-Part 3

PAH Method

Part 3: EU 15+1 PAH Method Guest Author: Jeff Layne, Ph.D. Welcome to the third and last part of my article series on PAH method analysis.  In the previous two articles, Continue Reading

Performance Advantage of Core-shell Technology to PAH Analysis-Part 2

PAH Core-shell

Part 2: Optimizing EPA Method 610 Guest Author: Dr. Jeff Layne Welcome back! In the last article, we looked at the EPA method for the analysis of polynuclear aromatic hydrocarbons—EPA Method Continue Reading

Bringing the Performance Advantage of Core-Shell Technology to PAH Analysis-Part 1

PAH analysis

Part I: PAH Analysis and EPA Method 8310 Guest Author: Dr. Jeff Layne Welcome to our newest LC article series! I will be focusing on Phenomenex’s latest HPLC/UHPLC product, made Continue Reading

Using Core-Shell Technology to Improve HPLC Methods within USP: Part 5

US and Euro Pharmacopeia

Guest Author: Dr. Jeff Layne Part V: Some Final Points on the Chromatographic Impact of Making Adjustments to Existing Methods We are finally coming to the end of our series, Continue Reading

Using Core-Shell Technology To Improve HPLC Methods Within USP: Part 4

US and Euro Pharmacopeia

Part IV: More about the Chromatographic Impact of Making Adjustments to Existing Methods Guest Author: Jeff Layne, Ph.D. Welcome to the fourth part of the series that is examining the effects Continue Reading

Using Core-Shell Technology to Improve HPLC Methods Within USP: Part 3

US and Euro Pharmacopeia

Part III.  Chromatographic Impact of Making Adjustments to Existing Isocratic Methods Guest Author: Jeff Layne, Ph.D. Welcome back to the third article of my series “Using Core-Shell Technology to Improve Continue Reading

Using Core-Shell Technology to Improve HPLC Methods within USP: Part 2

US and Euro Pharmacopeia

Harnessing the Power of Core-Shell Technology to Improve Older, Validated HPLC Methods within Acceptable European Pharmacopeia Guidelines. Guest Author: Dr. Jeff Layne Welcome back to the second article on harnessing Continue Reading

Using Core-Shell Technology to Improve HPLC Methods within USP: Part 1

U.S. Pharmacopeia

Harnessing the Power of Core-Shell Technology to Improve Older, Validated HPLC Methods Within Acceptable USP Guidelines Part One: Quality Control Methods Guest Author: Dr. Jeff Layne Hello everyone, I hope Continue Reading

Improve Performance of Strongly Basic Molecules

Guest Author: Dr. Jeff Layne One of the biggest challenges in reversed phase chromatography has always been maintaining acceptable peak shape for strongly basic analytes.  With typical silica-based reversed phase Continue Reading