List view / Grid view
3 July 2015 | By Julien Villaumié and Hilary Jeffreys, Actavis
All regulatory agencies require that manufacturers accurately determine the amount of drug in a medicinal product so that the product can be deemed fit for patients. This forms part of batch release testing performed by Quality Control (QC) laboratories. The drug assay and/or content uniformity of the dosage units is…
3 July 2015 | By David P. Elder, Phil Borman and George Okafo - GlaxoSmithKline
The most commonly used analytical technique for the testing of drug molecules is reversed-phase high performance liquid chromatography (RP-HPLC) with ultraviolet (UV)/visible detection. However, one of the biggest constraints affecting UV/visible detectors is their inability to generate adequate sensitivity for analytes lacking a suitable UV chromophore.
New, exceptionally pure mobile phase solvents for ultra-high-performance liquid chromatography–mass spectrometry (UHPLC-MS) instruments have been designed to reduce background signal and minimize chromatographic interferences, facilitating accurate, sensitive and rapid trace analysis.
In this free-to-view LC-MS in-depth focus, we delve into the world of glycans, and how their natural complexity necessitates sophisticated sequencing techniques, while another article aims to demonstrate the versatility of LC-MS and the ease with which it can be combined with a variety of MS systems, focusing particularly on…
High-performance liquid chromatography (HPLC) is a powerful separation technique due to its high accuracy, precision, versatility and robustness. In the development of pharmaceuticals, it is no doubt that LC is a key technology in the quality control of pharmaceuticals and pharmacokinetic studies and in the analysis of complex biological compounds…
Ultra high performance liquid chromatography (UHPLC) provides improved separation speed, throughput, and sensitivity by employing stationary phase particles of around 2μm or smaller.
Analytical method specificity is assessed using ICH (International Conference on Harmonisation) Q2 (2005). Although, certain methods are not specific enough for their intended purposes, they may have other advantages. Both titrimetric and UV (Ultra-violet spectroscopy) assays are non-specific, but have superior precision (ca. 0.1-0.5% RSD (Residual Standard Deviation)) compared with…
Thermo Fisher Scientific, the world leader in serving science, today unveiled a new high performance liquid chromatography system designed from the ground up to provide new levels of performance, productivity and usability when used as a standalone system or with the latest mass spectrometers
Thermo Fisher Scientific Inc., the world leader in serving science, today announced it will show its expanded portfolio of market-leading chromatography solutions within the Thermo Scientific and Dionex booths at HPLC 2011, a first since Thermo Fisher acquired Dionex.
Thermo Fisher Scientific Inc., the world leader in serving science, today announced fundamentally redefined ion trap mass spectrometer capabilities with the introduction of its new dual-pressure linear ion trap system, the Thermo Scientific Velos Pro.
Thermo Fisher Scientific Inc., the world leader in serving science, today announced the availability of a new Thermo Scientific Atlas Chromatography Data System (CDS) instrument control software for the Shimadzu Prominence® and Prominence XR HPLC.
Testing cleaning validation samples requires a validated method. The extent of validation is dependent upon the type of method employed, the capabilities of the method, the scientific and regulatory needs of the resulting data and the anticipated outcome of the testing. A number of test method options are reviewed for…
