Orbitrap GC-MS for Quantitative and Qualitative Multi-residue Analysis of Pesticides
May 16th 2016The recent introduction of high resolution, accurate mass (HRAM) OrbitrapTM technology coupled to GC brings a new level of performance and flexibility in full scan acquisition and more. Comparable sensitivity and selectivity of triple quadrupole GC-MS/MS, but with broad scope, and the capability for simultaneous targeted and non-targeted analysis of pesticides at low ng/g concentrations, in complex sample types. In this Q & A, Paul Silcock discusses the story so far, around the use of Orbitrap GC-MS for quantitative and qualitative multi-residue analysis of pesticides.
UCT A 30 Year Tradition of Excellence in Sample Preparation
January 29th 2016Since their beginnings in 1986, UCT has evolved into a major competitor in the field of silica based solid phase extraction technology. The first to pioneer commercially available ‘mixed-mode’ SPE products, 30 years later UCT is still optimizing sample analysis for forensic, pharmaceutical, clinical, environmental and agricultural laboratories. Michael J. Telepchak, founder and CEO UCT, Inc., has laid the foundation for this powerful technology and has truly served as a catalyst for its transformation from a novel technique to an industry gold standard. From fundamental chemistry to manufacturing and business development, he has bared witness to all facets of the evolution of solid phase extraction and will speak on the monumental impact it has made on the scientific community.
Lab Water Hints and Tips Part 2: Optimal Handling of Purified Water
November 23rd 2015Following on our previous Dedicated Dialogue which discussed lab water contaminants and purification technologies, this Dedicated Dialogue will consider specific ways to handle and manage a lab water purification system and the product water from these systems in order to ensure consistent and reliable results.
Analytical Challenges in Measuring Migration from Food Contact Materials
November 2nd 2015Food contact materials contain low molecular weight additives and processing aids which can migrate into foods leading to trace levels of contamination. Food safety is ensured through regulations, comprising compositional controls and migration limits, which present a significant analytical challenge to the food industry to ensure compliance and demonstrate due diligence. Of the various analytical approaches, LC-MS/MS has proved to be an essential tool in monitoring migration of target compounds into foods, and more sophisticated approaches such as LC-high resolution MS (Orbitrap) are being increasingly used for untargeted analysis to monitor non-intentionally added substances. This podcast will provide an overview to this area, illustrated with various applications showing current approaches being employed.
Ultra High Resolution Mass Spectrometry for Comprehensive Lipidome Analysis
October 28th 2015This podcast will discuss the capabilities of modern ultra high resolution accurate mass (HRAM) spectrometry based approaches for comprehensive lipidome identification and quantitative analysis. Examples will be given of how this instrumentation can be used to overcome many of the identification challenges for lipidomics, the advantages of HRAM approaches over traditional triple quadrupole or high resolution based methods, and the biological questions that can be addressed.
Lab Water Hints and Tips for the Chromatography Lab
July 30th 2015Water is the most common reagent in the laboratory but it is the most misunderstood and is often taken for granted. Learn how specific contaminants can affect your chromatography system and results and understand how to optimize water purification technologies to meet your experimental needs.
Pushing the Boundaries of Proteomics With a New Orbitrap Tribrid Mass Spectrometer
July 17th 2015Dr. Graeme McAlister of Thermo Fisher Scientific will discuss the advances in Orbitrap Tribrid Mass Spectrometry technology with the launch of the new Thermo Scientific™ Orbitrap Fusion™ Lumos™ Tribrid™ Mass Spectrometer. Graeme will also touch on how these advances have impacted and will continue to impact proteomics with respect to quantitation, accuracy, throughput, etc.
Applications of Ultra-high Resolution Mass Spectrometry for Metabolomics
March 19th 2015Ultra high resolution, accurate mass (UHRAM) mass spectrometry is a powerful new approach to high throughput screening and quantitation in complex sample matrices. To learn more about how UHRAM is used in metabolomics, LCGC talked with Jason Locasale, Assistant Professor in the Division of Nutritional Sciences at Cornell University.View the associated whitepaper.