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Per-Aqueous Liquid Chromatography for the Separation of Polar Compounds‑Preparation and Characterization of Poly (ethylene oxide‑co‑dimethylsiloxane) Based Stationary Phase
United Chemical Technologies is widely known for our high-quality solid phase extraction products and stationary phases. Though we full equipped to make custom bonded phases for clients, we love to see what researchers discover on their own. A research group from the Instituto de Ciências Exatas e Naturais do Pontal in Brazil is studying a…
An Electrochemiluminescence Biosensor for Detection of CdkN2A/p16 Anti-oncogene Based on Functional Electrospun Nanofibers and Core-shell Luminescent Composite Nanoparticles
In the pursuit of cancer research and clinical applications, one of the most important factors is the recognition and quantitation of the CdkN2A/p16 anti-oncogene, AKA the multiple tumor suppressor 1 gene (MTS1). This gene is associated with metastatic spread of tumor cells, which, in general terms, the higher the quantified amount of this gene, the…
UCT’s Flagship Sorbent (ZSDAU020) cited in Remifentanil article
UCT is recognized for its support for the forensic toxicology community not only domestically, but abroad. This is demonstrated in a new article published in the journal Toxicologie Analytique & Clinique authored by Dr.J Long et al.,(http://dx.doi.org/10.1016/j.toxac.2016.11.003 2352-0078). In this paper, the authors utilize UCT’s famous Clean Screen ® DAU solid phase extraction column (ZSDAU020) to extract remifentanil, a short acting fentanyl analogue, from post mortem blood samples. This is believed to be the first report of a concentration of remifentanil in postmortem blood.
Bifunctional Janus Silica Spheres for Pickering Interfacial Tandem Catalysis
In the synthesis of organic compounds, especially those used as pharmaceuticals, the number of steps in the synthetic route can be limiting in the way of high costs for low yields. Many scientists in the field have done extensive research on alternative ways to shorten these synthetic routes, for time, cost, and yield efficiency, all…
UCT Dispersive SPE Sorbent Cited in Anticoagulant Rodenticides Article
In a new paper by Lori Smith et al, published in the Journal of Food and Agricultural Chemistry (DOI: 10.1021/acs.jafc.7b02280), a wide and diverse range of anticoagulant rodenticides (ARs) were analyzed in rodent liver samples using UCT’s dispersive SPE (d-SPE) tubes for sample clean-up. ARs are used to control rodent populations, acting as vitamin K antagonists by inhibiting vitamin K epoxide reductase. Consequently, formation of prothrombin and related blood-clotting factors (VII, IX and X) are blocked, causing massive hemorrhage and mortality.
Silane Coupling Agent Modifies the Mechanical Properties of a Chitosan Microfiber
Microfiber materials have been widely used for many applications, in the medical field, such as in sutures. Chitosan fibers, along with chitin fibers, are candidates for similar biofibers due to stronger inherent mechanical properties, however the current synthesis of these fibers, which uses epoxy-based crosslinkers, leads to interruption of the crystalline character of the chitosan,…