Simple, non-invasive sampling of short-chain fatty acids in saliva as potential indicators of disease using HiSorb sorptive extraction
The Chemistry Lab for Analytical Technologies and Sensors, Dept. of Chemistry, University of Pisa, Italy
Markes International Inc. strengthens alliance with Orsat LLC to provide fully-automated, 24-7 PAMS VOC monitoring systems across entire USA
17 January 2024
Targeting tumour-associated aldo-keto reductase activity with exogenous volatile organic compound (EVOC®) probes using high-capacity sorptive extraction (HiSorb™) and GC–MS to detect lung cancer
Presented at Pittcon 2023
Eliminating lab dependency on helium as a carrier gas for TD–GC–MS
Presented at Pittcon 2023
Towards field optimised, near-real time, continuous monitoring of trace-level chemical warfare agents in air
Presented at International workshop on the analysis of chemical warfare agents to mark the 50th anniversary of VERIFIN
Enhanced analyte extraction with automated multi-phase high-capacity sorptive extraction (HiSorb™) for GC–MS
Presented at the 2nd Advances in Separation Science conference, Liege, 28–29 June 2023.
Extending established chemical warfare agent monitoring methods to emerging priority compounds using TD–GC–MS
Presented at International workshop on the analysis of chemical warfare agents to mark the 50th anniversary of VERIFIN, November 2023
TT24-7NRT – The next generation in continuous, near real time airborne chemical agent monitoring
On-demand webinar. Building on the fast cycle-times and 100% sample coverage of our tandem trap technology the new TT24-7NRT brings award-winning Multi-Gas technology to near-real-time chemical agent monitoring.
Markes International’s next-generation instrument for chemical warfare agent detection conquers major sector challenge encountered during discrete site monitoring
11 December 2023
TO-15A: Is your pre-concentrator system up to the task?
On-demand webinar. Discover how to reach method detection limits for 20 ppt for all environmental 'air toxics' compounds as laid out in USA EPA Method TO-15A.
A taste of the future: What’s next for safety and quality testing in the food industry?
On-demand discussion forum. Listen to our experts in this discussion forum and learn about emerging trends in the food industry, research and development to ensure safety and quality.
Unattended PAMS monitoring of ultra-volatiles using helium‑free automated TD–GC with water removal
New York State Department of Environmental Conservation (NYSDEC), USA
What is thermal desorption?
Thermal desorption (TD) is a versatile preconcentration technique for gas chromatography, which is used to analyse volatile and semi-volatile organic compounds from solids, liquids or gases.
Find out more by downloading our introductory e-book which explains more about the technique and it's place in the analytical laboratory
Markes International is a multi-award-winning manufacturer of instrumentation and supplies that enhance the analytical capability of GC–MS. Markes has a well-deserved reputation for its technology expertise in the field of sample automation and concentration (thermal desorption, SPME, headspace and high-capacity sorptive extraction). Markes' products are used for the detection of trace-level VOCs and SVOCs in solids, liquids and gases. The company's systems are sold worldwide, through its own global offices and network of distributors. Markes' customers encompass research, government and industrial/service laboratories, in a wide range of sectors from environmental monitoring to materials testing, and food & beverage analysis.
Markes' sister company, SepSolve Analytical Ltd, is a manufactuer of GC×GC, time-of-flight mass spectrometers and associated software