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[Read more](https://blog.chromatographydirect.com/uct-per-aqueous-liquid-chromatography-for-the-separation-of-polar-compounds-preparation) [![UCT Clean Screen XCEL I Used to Confirm Fentanyl Overdose](https://blog.chromatographydirect.com/hubfs/Sample%20Preparation/Misc/UCT-Blog-Post-790x425.jpg)](https://blog.chromatographydirect.com/clean-screen-xcel-i-used-to-confirm-fentanyl-overdose-in-italian-case-study) ## [Clean Screen XCEL I Used to Confirm Fentanyl Overdose in Italian Case Study](https://blog.chromatographydirect.com/clean-screen-xcel-i-used-to-confirm-fentanyl-overdose-in-italian-case-study) Fentanyl, a well-known synthetic opioid approximately 100 times more potent than morphine, continues... [Read more](https://blog.chromatographydirect.com/clean-screen-xcel-i-used-to-confirm-fentanyl-overdose-in-italian-case-study) [![](https://blog.chromatographydirect.com/hubfs/textured-background-with-fresh-green-cannabis-leav-2022-11-16-23-03-48-utc.jpg)](https://blog.chromatographydirect.com/the-use-of-ucts-zsthc020-in-german-cannabinoids-study) ## [The Use of UCT's ZSTHC020 in German Cannabinoids Study](https://blog.chromatographydirect.com/the-use-of-ucts-zsthc020-in-german-cannabinoids-study) Of all the analytes that Forensic Toxicologists are asked to test for, THC still remains high on the... [Read more](https://blog.chromatographydirect.com/the-use-of-ucts-zsthc020-in-german-cannabinoids-study) [![](https://blog.chromatographydirect.com/hubfs/Imported%20sitepage%20images/placeholder.jpg)](https://blog.chromatographydirect.com/clean-screen-dau-columns-utilised-in-characterization-of-oxycodone-and-metabolites-in-human-hair) ## [Clean Screen® DAU Columns Utilised in Characterization of Oxycodone and Metabolites in Human Hair](https://blog.chromatographydirect.com/clean-screen-dau-columns-utilised-in-characterization-of-oxycodone-and-metabolites-in-human-hair) An article titled, ‘The Disposition of Oxycodone and Metabolite in Human Hair’ was recently publishe... [Read more](https://blog.chromatographydirect.com/clean-screen-dau-columns-utilised-in-characterization-of-oxycodone-and-metabolites-in-human-hair) [![](https://blog.chromatographydirect.com/hubfs/Imported%20sitepage%20images/zolpidem.000930073.large_-640x425.jpg)](https://blog.chromatographydirect.com/clean-screen-dau-columns-in-zolpidem-urinary-metabolite-detection-study) ## [Clean Screen® DAU Columns in Zolpidem urinary metabolite detection study](https://blog.chromatographydirect.com/clean-screen-dau-columns-in-zolpidem-urinary-metabolite-detection-study) Researchers investigated and validated a method for the extraction and analysis of zolpidem and its ... [Read more](https://blog.chromatographydirect.com/clean-screen-dau-columns-in-zolpidem-urinary-metabolite-detection-study) [![](https://blog.chromatographydirect.com/hubfs/Imported%20sitepage%20images/strawberry1-790x425.jpg)](https://blog.chromatographydirect.com/petrarch-silanes-from-uct-specialties-used-for-quechers-products-research-investigation) ## [Petrarch® Silanes from UCT Specialties Used for QuEChERS Products Research Investigation](https://blog.chromatographydirect.com/petrarch-silanes-from-uct-specialties-used-for-quechers-products-research-investigation) Different sorbents were deposited on dispersive solid-phase extraction silica. Poly (methyloctadecyl... [Read more](https://blog.chromatographydirect.com/petrarch-silanes-from-uct-specialties-used-for-quechers-products-research-investigation) [![Simultaneous analysis of Caffeine and metabolites by GCMS using UCT Clean Screen® DAU](https://blog.chromatographydirect.com/hubfs/UCT/Clinical-Forensic/200x200-CleanScreen-DAU.jpg)](https://blog.chromatographydirect.com/simultaneous-analysis-of-caffeine-metabolites-by-gcms-using-uct-clean-screen-dau) ## [Simultaneous analysis of Caffeine & metabolites by GCMS using UCT Clean Screen DAU](https://blog.chromatographydirect.com/simultaneous-analysis-of-caffeine-metabolites-by-gcms-using-uct-clean-screen-dau) Caffeine and its major metabolites; Theobromine, Theophylline and Paraxanthine are routinely monitor... [Read more](https://blog.chromatographydirect.com/simultaneous-analysis-of-caffeine-metabolites-by-gcms-using-uct-clean-screen-dau) [![SGT Gas Filters](https://blog.chromatographydirect.com/hubfs/GC%20Columns%20and%20Accessories/Gas%20Purification%20Filters/SGT-Filters.jpg)](https://blog.chromatographydirect.com/why-you-should-replace-your-gas-clean-filters-annually) ## [Why you should replace your Gas Clean Filters annually](https://blog.chromatographydirect.com/why-you-should-replace-your-gas-clean-filters-annually) This article explains why it is important to replace your gas filters annually instead of waiting fo... [Read more](https://blog.chromatographydirect.com/why-you-should-replace-your-gas-clean-filters-annually) [![](https://blog.chromatographydirect.com/hubfs/Sample%20Preparation/Blog%20Posts/node_na_-_quechers_extraction_packet_-_no_tube-680x425.jpg)](https://blog.chromatographydirect.com/researchers-investigate-six-common-pesticides-in-wines-and-the-associated-risk-assessments) ## [Researchers Investigate Six Common Pesticides in Wines and the Associated Risk Assessments](https://blog.chromatographydirect.com/researchers-investigate-six-common-pesticides-in-wines-and-the-associated-risk-assessments) Romanian scientists¹ have developed a quick and easy analytical method to determine if wines contain... [Read more](https://blog.chromatographydirect.com/researchers-investigate-six-common-pesticides-in-wines-and-the-associated-risk-assessments) [![UCT SPE Large Particle Sorbent-Gravity Flow](https://blog.chromatographydirect.com/hubfs/UCT/SPE/685x490-UCT-Large-Particle-Sorbent.jpg)](https://blog.chromatographydirect.com/uct-xtrackt-spe-column-used-in-research-work-focused-on-doping-control-in-horse-racing) ## [UCT XtrackT SPE column used in research work focused on doping control in horse racing](https://blog.chromatographydirect.com/uct-xtrackt-spe-column-used-in-research-work-focused-on-doping-control-in-horse-racing) The major metabolite of Dopamine, 3-methoxytyramine (3-MT) is monitored in equine urine samples as a... [Read more](https://blog.chromatographydirect.com/uct-xtrackt-spe-column-used-in-research-work-focused-on-doping-control-in-horse-racing) [![](https://blog.chromatographydirect.com/hubfs/685x490-UCT-DAU10.jpg)](https://blog.chromatographydirect.com/importance-of-analyzing-umbilical-cord-in-determining-prenatal-drug-exposure) ## [Importance of umbilical cord analysis in determining prenatal drug exposure](https://blog.chromatographydirect.com/importance-of-analyzing-umbilical-cord-in-determining-prenatal-drug-exposure) Fentanyl serves as a powerful analgesic agent to manage pain during labor and delivery. However, pro... [Read more](https://blog.chromatographydirect.com/importance-of-analyzing-umbilical-cord-in-determining-prenatal-drug-exposure) [![](https://blog.chromatographydirect.com/hubfs/Vials%20and%20Caps/Crimper_685x490.jpg)](https://blog.chromatographydirect.com/5-signs-that-your-chromatography-vial-crimpers-de-cappers-are-worn-and-need-replacing) ## [5 Signs Your Chromatography Vial Crimpers & De-Cappers Need Replacing](https://blog.chromatographydirect.com/5-signs-that-your-chromatography-vial-crimpers-de-cappers-are-worn-and-need-replacing) Suppose you’re in the business of regularly capping or decapping various aluminium caps on crimp top... [Read more](https://blog.chromatographydirect.com/5-signs-that-your-chromatography-vial-crimpers-de-cappers-are-worn-and-need-replacing) [![](https://blog.chromatographydirect.com/hubfs/Sample%20Preparation/Blog%20Posts/garden-1176406_640-2.jpg)](https://blog.chromatographydirect.com/uct-quechers-extraction-salts-cited-in-pfas-study) ## [UCT QuEChERS Extraction Salts Cited In PFAS Study](https://blog.chromatographydirect.com/uct-quechers-extraction-salts-cited-in-pfas-study) Per- and polyfluoroalkyl substances (PFASs) are widely used in the manufacturing of various industri... [Read more](https://blog.chromatographydirect.com/uct-quechers-extraction-salts-cited-in-pfas-study) [![](https://blog.chromatographydirect.com/hubfs/Sample%20Preparation/Blog%20Posts/cranberries.fw.png)](https://blog.chromatographydirect.com/uct-quechers-kits-cited-in-cranberry-perfluoroalkyl-substances-study) ## [UCT QuEChERS Kits Cited in Cranberry Perfluoroalkyl Substances Study](https://blog.chromatographydirect.com/uct-quechers-kits-cited-in-cranberry-perfluoroalkyl-substances-study) Perfluoroalkyl and polyfluoroalkyl substances (PFASs), in particular perfluorooctanoate (PFOA) and p... [Read more](https://blog.chromatographydirect.com/uct-quechers-kits-cited-in-cranberry-perfluoroalkyl-substances-study) [First](https://blog.chromatographydirect.com/) [Prev](https://blog.chromatographydirect.com/page/4) [1](https://blog.chromatographydirect.com/) [2](https://blog.chromatographydirect.com/page/2) [3](https://blog.chromatographydirect.com/page/3) [4](https://blog.chromatographydirect.com/page/4) [5](https://blog.chromatographydirect.com/page/5) ## Absolute Recovery Vials Part Number: VI-04-12-07AR Do you have limited sample volume? Sample down to a residual volume of 2µl\* with the NEW Absolute Recovery Vial from Chromatography Direct. 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