OCT 24, 2019 6:00 AM PDT

Multidimension Chromatography; a Disruptive Technology - A Netflix Effect in the World of Chromatography!

C.E. Credits: P.A.C.E. CE Florida CE
Speaker
  • Senior Scientist, Waters Corporation
    Biography
      Dr. Mallet is originally from a small town named "Dieppe" in the province of New-Brunswick, Canada. The town was renamed in 1946 to commemorate the Canadian soldiers for their bravery during World War II operation Jubilee, also known as "the Dieppe Raid of 1942", on Normandy Beaches, France.
      In 1997, Dr. Mallet received his Ph.D. in analytical chemistry from University of Montreal, Montreal, Canada. His thesis was entitled "Time-Coupled-timed-Resolved Chromatography". This new hyphenated system was based on an experimental GC/GC/MS/MS orthogonal chromatograph using a mobile heated pulse, leading to the concept of Pulse Elution Chromatography. In 1997-2000, Dr. Mallet was hired as a senior application chemist in several biotechs, contract research organizations (CRO's) and life-science firms, before accepting a senior scientist's position at Waters Corporation in 2000. From his doctoral work, the technique was extended to Waters Liquid Chromatography portfolio. Since 2013, Dr. Mallet was tasked by Waters Separation Technology Division to purse research interest in automated 2D & 3D LC/MS/MS technologies.

    Abstract

    Chromatography is the first choice in separation technique for a wide selection of applications, across many fields, ranging from simple to highly complex extracts.  The main rationale for its use is the resolution power, or peak capacity, and ultimately the separation recording of an extract into its distinct components. Thus, increasing the performance of chromatography is inevitably linked to improvements in peak capacity. With this goal in mind, innovative researchers lead the introduction of sub 2 um particles (UPLC), core-shell particles, and monolithic stationary phases, and produced attainable performance of peak capacity up to a thousand for 1D LC separation.  However, from Giddings work, the actual peak capacity of any given single dimensional separation is still far below the theoretical calculation.

    With new technologies, newer solutions emerge for the most difficult of applications.  The concept of hyphenated systems or multi-dimension chromatography was designed, at first, for solving complex analyses. The peak capacity, or chromatographic separation power, can be increased by combining several separation dimensions (in most cases, two) each using optimized conditions for maximum resolution.  The main challenge is the transfer of closely resolved analytes from the primary resolving dimension (PRD) to the secondary resolving dimension (SRD).  Nowadays, multi-dimensional-chromatography is gaining acceptance for both targeted and untargeted analysis of complex mixtures.  However, at its beginnings, the technique was perceived as highly complex in terms of the necessary hardware and difficulty to gain in-depth insight for practical usage.  

    In recent years, advances in software control enabled hyphenated instrumentation platforms with enhanced performance and relative ease of use. Additionally, multi-fluidic circuits have been shown to decrease the cost and time of sample preparation, improve chromatographic peak shape, and enhance sensitivity.  In this presentation, several forensic and environmental applications will be discussed to fully demonstrate the capabilities of modern 2D LC/MS/MS workflows.  

    Learning objectives:

    1. Novel extraction techniques for wide range of applications
    2. Exploring the world Multidimension liquid chromatography and the myth of a technique difficult to master.  

     


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    OCT 24, 2019 6:00 AM PDT

    Multidimension Chromatography; a Disruptive Technology - A Netflix Effect in the World of Chromatography!

    C.E. Credits: P.A.C.E. CE Florida CE

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