ExpressHT™-Ultra HPLC System Delivers High Throughput for Bioanalysis

30 Jan 2009
Samantha Rosoman
Campaign Coordinator

Product news

Eksigent, a developer of advanced low-flow fluid delivery technologies for drug discovery and other life science applications, introduces the ExpressHT™-Ultra HPLC system, providing short cycle times and high throughput for LC/MS studies of pharmacokinetics and drug metabolism. This new system is the latest offering in the company’s line of products for small molecule analysis. With cycle times as short as 60 seconds, the ExpressHT-Ultra can run six 96-well sample plates overnight.

Running at a maximum pressure of 10,000 psi, the system enables the use of small particle stationary phases to deliver narrow peaks to the mass spectrometer. Employing columns with diameters of 1 mm or smaller, the Express HT-Ultra uses up to 95 percent less solvent per analysis than traditional HPLC systems, helping customers meet green initiative goals and reduce purchase and disposal costs.

“Drug discovery and development researchers need a higher throughput LC solution to process ever-increasing numbers of samples,” said David Neyer, Ph.D., product manager for Eksigent. “Our proprietary technology delivers fast separations at low flow rates to meet the growing demands of LC/MS applications.”

Eksigent’s proprietary Microfluidic Flow Control (MFC) technology generates accurate and reproducible flow rates from nanoliters per minute to hundreds of microliters per minute. The Eksigent control software includes integrated drivers for the most widely used mass spectrometry programs including Applied Biosystems/MDS SCIEX Analyst*, Thermo Scientific Xcalibur* and Bruker Daltonics HyStar*.

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UHPLC and HPLCHigh performance liquid chromatography (HPLC) and ultra high performance liquid chromatography (UHPLC), also known as UPLC, are analytical techniques used to separate, identify and quantitate components of complex mixtures including biological samples such as proteins and lipids as well as chemical mixtures of pesticides, drugs and oils. Both techniques are liquid chromatographic methods but differ by operating pressures (HPLC < 6000 psi < UHPLC ). Components of HPLC and UHPLC systems include columns, detectors, pumps, autosamplers and column heaters. Explore a range of UHPLC and HPLC columns for your specific sample needs including reverse phase, normal phase, ion exchange, HILIC, ion exclusion and size exclusion columns. For more specialized HPLC, explore FPLC, countercurrent LC and simulated moving bed systems. Find the best UHPLC and HPLC equipment in our peer reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.LC-MSLC-MS (liquid chromatography-mass spectrometry) systems and equipment are used for separation and quantitative analysis of complex mixtures, combining liquid chromatography and mass spectrometry. Quantify proteins, contaminants, pesticides or screen for drug metabolites with a high level of sensitivity. LC-MS systems and equipment include reverse phase, normal phase and specialized columns integrated with various MS detectors such as time-of-flight (TOF), quadrupole, orbitrap or ion trap mass analyzers. LC-MS/MS instruments equipped with a qTOF or triple quadrupole analyzer give greater sensitivity and resolving power to your analysis. Find the best LC-MS equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.High-Throughput ScreeningHigh-throughput screening (HTS) is an automated drug discovery technique for identification of active compounds against a compound library. Use HTS readers and integrated assay preparation / analysis workstations to screen your compounds. Identify active compounds against various HTS libraries, including membranes, proteins and peptides and HTS cell lines. Find the best high-throughput screening products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Cell-Based AssaysCell-based assays are used to monitor the presence, quantity and activities of a desired cellular analyte including drug molecules or biomarkers. This can reveal information on cell health (apoptosis, cytotoxicity, viability and proliferation assays), cell metabolism, cell migration and cell signaling mechanisms. Find the best cell-based assay products, kits and equipment with our peer reviewed product directory: compare products, check customer reviews and receiving pricing direct from manufacturers.