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Food contamination has a lot of different meanings, but by definition, it’s a food that’s spoiled or contaminated because it contains microorganisms, such as parasites or bacteria, or toxic substances that make them unsafe for consumption. Analytical testing is crucial for maintaining food safety. Successful detection of mycotoxins, pathogens, or leachables in food products requires reliable and reproducible pre-analytical sample preparation. Food testing labs need reliable automated methods that standardize sample handling and release skilled personnel for more valuable tasks.
A Guide to Sample Cleanup Using Gel Permeation Chromatography (GPC)
While many post-extraction cleanup methods exist, gel permeation chromatography (GPC) is a great way to remove high molecular weight contaminants from samples before analysis. In this article, we provide an overview of GPC and how it’s used for post-extraction cleanup including: how GPC works, the components of a GPC system, and a step-by-step look into the GPC process
This compact ASPEC® system combines positive pressure solid phase extraction (SPE) with precise liquid handling for reliable automated SPE applications. Its minimized footprint makes it the ideal choice for basic SPE automation when bench space or throughput is limited. The dual syringe pump option allows for automated internal standard addition. Combined with ASPEC SPE Cartridges, the system generates reproducible sample cleanup for clinical, forensic, doping, food, and environmental research labs.
This ASPEC 271 System provides the ultimate versatility by combining flexible, positive pressure solid phase extraction (SPE), precise liquid handling, large bed capacity, and on-line integration with liquid chromatography (LC) systems. With its large cartridge capacity and small footprint, it enables unattended processing of a high number of samples per day for any SPE application, even those requiring multiple cartridge extractions.
This ASPEC® system for positive pressure solid phase extraction (SPE) maximizes throughput by processing up to four samples in parallel. With its small footprint and multiple probes, it is the ideal choice for high-throughput SPE automation on 1, 3, or 6 mL cartridges. Combined with ASPEC SPE Cartridges, it generates reproducible and efficient sample cleanup for clinical, forensic, doping, food, and environmental testing labs.
The cost-effective, pre-capped ASPEC® Solid Phase Extraction (SPE) cartridges tackle most separation challenges and are ready to use on any ASPEC System. With reproducible separation, high loading capacity, and accurate elution properties, each of the phases allows low solvent consumption and reliable analysis.
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