Register for May Webinars!

Refresh Your Knowledge of LC and GC Troubleshooting Best Practices and More!
Register for April Webinars!
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Overview of Webinars
Thursday, May 12
11:00 AM SGT
Troubleshooting LC System Contamination
Speaker: Zeshan Aqeel, Application Scientist 
Key Learning Points:

  • General steps on HPLC troubleshooting 
  • Signs your column may be reaching the end of its natural lifetime 
  • How to protect your column, including sample and mobile phase preparation suggestions 
  • Case Study on LC system contamination troubleshooting 
Thursday, May 19
11:00 AM SGT
LC Column Selection for Special Cases: High Throughput, High pH, High Aqueous, High Retention/Resolution
Speaker: Namrata Saxena, Technical Manager, Phenomenex 
Key Learning Points:

  • Review column selection basics
  • Explain the selection approach for these special needs below:
  • High throughput
  • High pH
  • High aqueous
  • High sensitivity
  • Examine stationary phase suitability, mobile phase considerations with examples
Thursday, May 24
11:00 AM SGT
Method Robustness and Transferability for Modern Size-Exclusion Methods 
Speaker: Helen Whitby, PhD., Senior Product Manager – Bioseparations, Phenomenex
Key Learning Points:

  • Understand the impact of U/HPLC systems, including bio-inert and traditional stainless-steel configurations, on obtaining robust and reproducible aggregate analysis data by SEC 
  • Understand how to transition from a legacy SEC method to improve analytical method throughput and data quality 
  • Determine the experimental parameters to vary to ensure demonstration of analytical method robustness 
Thursday, May 26
11:00 AM SGT
Troubleshooting GC 
Speaker: Ramkumar Dhandapani, PhD., Global Product Manager Gas Chromatography 
Key Learning Points:

  • Understand basic concepts in GC 
  • Break down common GC myths 
  • Provide systematic ways to troubleshoot complex problems 
  • Choose the right GC column for your application 
Meet Our Speakers
Genevieve Hodson
Zeshan Aqeel
Application Scientist 
Zeshan Aqeel has over 12 years of experience in LC,GC, and Sample Preparation. He has a degree in Biochemistry, from California State University of Northridge and is currently an Applications Scientist at Phenomenex. Prior to Phenomenex, Zeshan worked as an analytical chemist at Amgen and Baxter Bioscience focusing on the optimization of LC and LC/MS methods. He has played an integral role in supporting our teams with hands-on lab trainings, problem solving, troubleshooting, and applications support around the world. In addition he has developed and presented many technical seminars globally. Zeshan has assisted in the developments of many applications using Kinetex Core-shell technology, including various dietary supplements applications. 
Ramkumar Dhandapani, PhD
Namrata Saxena
Technical Manager, Phenomenex 
Namrata is working as a “Technical Manager - Asia/Pacific” with Phenomenex and is based in Sydney, Australia. She has a post graduate degree with a specialization in Analytical Chemistry. Namrata has extensive experience in the Liquid chromatography domain and her current focus is in Omics and Biologics field. Before joining Phenomenex she had worked as “Product Specialist” and spent several years in column chemistry, column manufacturing and method development in the application and manufacturing labs of Bischoff Chromatography, Germany. In her current role, she provides product selection, method development, training and troubleshooting support to customers as well as Phenomenex Sales Consultants globally.
Ramkumar Dhandapani, PhD.,
Global Product Manager Gas Chromatography 
Ramkumar Dhandapani has been in the chromatography industry for over 17 years with hands-on and troubleshooting experience. He has earned a Master's and Ph.D. degree in Analytical Chemistry from Seton Hall University with specialization in Microextractions, Multidimensional Gas Chromatography, and Tandem Mass Specs techniques. He has developed and validated several regulatory compliant methods in Pharmaceutical, Food, Fuels, and Environmental industry as well as incorporated method improvement and troubleshooting across a range of separation techniques. Dr. Dhandapani joined Phenomenex in August of 2014 and he serves as the Global Product Manager at Phenomenex. In addition to managing the GC product line, Dr. Dhandapani presents innovations in Chromatography at various chromatography conferences.
Helen Whitby, PhD.
Senior Product Manager – Bioseparations, Phenomenex
Dr. Helen Whitby is the senior product manager for biopharma at Phenomenex. Helen has been with Phenomenex since 2007, starting in the UK sales team as a bulk and prep specialist before joining the technical team in 2016. Helen spent 6 years as a biopharma specialist in the technical team supporting all our biopharma products globally before moving to product management in 2022.   

Helen has a PhD from the University of Manchester working on analogues of Shikimic acid to treat malaria. Prior to joining Phenomenex, Helen spent a year as a Post-doctoral researcher at the University of Illinois in Chicago, where she studied electron-deficient divalent reactive intermediates, specifically nitrenium ions for the development of antiviral agents to treat Ebola.