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Although gel permeation chromatography (GPC) is not as widely used as other chromatography methods, it continues to be a useful technique for analyzing the size and solution characteristics of organic polymers. In this study, GPC was applied to analyze different polar polymers that are commonly used in drug excipients. As a result of their polarity, some specialized operating conditions were required. Optimizing the separation brought to light many of the common parameters involved in optimizing GPC separations, and those are discussed in detail here.

The National Institutes of Health (NIH) has recently awarded several grants totalling $1.86 million to the University at Buffalo?s HIV Clinical Pharmacology Research Programme. The grants are to be used to fund new initiatives in hepatitis C (HCV) drug development, nanomedicine research for tuberculosis (TB), and for the study of pharmacogenomics of neurocognitive disorders for people with HIV and AIDS.

The National Institutes of Health (NIH) has recently awarded several grants totalling $1.86 million to the University at Buffalo?s HIV Clinical Pharmacology Research Programme. The grants are to be used to fund new initiatives in hepatitis C (HCV) drug development, nanomedicine research for tuberculosis (TB), and for the study of pharmacogenomics of neurocognitive disorders for people with HIV and AIDS.

Agilent Technologies (California, USA) has announced a strategic collaboration with Seoul National Hospital (Seoul, Korea). The collaboration will focus on the identification and verification of biomarkers to further the development of drugs. Under the agreement, the hospital?s department of medicine will use liquid chromatography?mass spectrometry (LC?MS) instrumentation from Agilent to further research in this area

Malvern Instruments (Malvern, UK) has opened a new office in Mexico City, Mexico, to provide pre- and after-sales support to a growing customer base, in addition to hosting a number of training courses. The announcement follows the opening of a sales and applications laboratory in Sao Paolo, Brazil, last year.

Don?t miss out on a free webcast about key factors to consider when selecting a laboratory service provider , to ensure that you add significant value to your laboratory business.

Editors? Series: Fundamentals, Optimization and Practical Aspects of UHPLC: Series 2: Optimization of UHPLC systems and column technology

Maintain your Methods, Prolong your Helium Supply, and Save Your Budget with an Innovative Helium Solution

An interview with Hans-Gerd Janssen of Unilever Research and Development Vlaardingen and the University of Amsterdam. Janssen is involved with method development for gas chromatography, liquid chromatography, and mass spectrometry; the development of instrumentation for multidimensional chromatography for food analysis and biomacromolecular characterization; and problem solving and efficient routine analysis of foods (particularly oils and fats). This interview discusses the challenges encountered in the analysis of fats and oils, how multidimensional chromatography can be applied to the analysis, 2D LC for food-related compound analysis, the analysis of natural antioxidants in edible oils, and future steps in his research.

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The Coblentz Society, an affiliate of the Society of Applied Spectroscopy, was approached with a challenge from an anonymous donor during the SciX13 conference.

The AvantorTM J.T.Baker® high purity solvents and reagents will give you the performance you need with minimal risk of contaminants that can limit accuracy and productivity and maximize the sensitivity and detecting power of your instrumentation.

Microsaic Systems (Woking, UK) has formed its first advisory group, to advise the company on where to apply microchip technology in the future. Colin Jump, CEO of Microsaic Systems, said that the company has drawn from expertise in the UK analysis and mass spectrometry arena

Agilent Technologies (California, USA) has announced a strategic collaboration with Seoul National Hospital (Seoul, Korea). The collaboration will focus on the identification and verification of biomarkers to further the development of drugs. Under the agreement, the hospital?s department of medicine will use liquid chromatography?mass spectrometry (LC?MS) instrumentation from Agilent to further research in this area

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Porvair Sciences announces the first 96-well deep well plate that genuinely delivers 2.00 ml liquid capacity / well in an automation compatible SLAS / ANSI footprint.

Avantor Performance Materials (Pennsylvania, USA) has appointed Jai Murthy as Vice President and Business Manager, Global Pharmaceuticals. Murthy will work within the pharmaceutical chemicals business unit to expand and develop global sales programs, business initiatives to expand the company?s presence in existing and new markets.

The United States Food and Drug Administration (FDA) and the National Institutes of Health (NIH), as part of an ongoing interagency partnership, have awarded a total of up to $53 million to fund tobacco-related research in fiscal year 2013 to create 14 Tobacco Centers of Regulatory Science (TCORS).

The miniDAWN& reg ; TREOS? is a multi-angle (three-angle) light scattering (MALS) detector that can be coupled to any liquid chromatograph (HPLC/GPC/SEC/FPLC) or used off-line in a ?micro-batch? mode for determining the absolute molecular weights and sizes of polymers or biopolymers directly, without resorting to column calibration or reference standards

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Click here to view the full European E-newsletter from October 10.

Click here to view the complete E-Separation Solutions newsletter from October 10, 2013.

Choosing the correct column for an application really requires that we consider the many factors which can influence the efficiency and selectivity of a separation including column hardware, support and surface chemistry. On a rainy day a little while ago our technical support group came up with a list of 23 such factors which need to be considered.

Intertek (Texas, USA) has opened a new chemical laboratory to support the growth of the growing refining and petrochemical complex in Texas City (Texas, USA).

Porvair (Leatherhead, UK) has signed a technology licensing agreement with Thermo Electron Manufacturing, a division of Thermo Fisher Scientific (California, USA). Porvair has licensed its filter technology to Thermo to develop a range of life science sample preparation filters. Porvair will manufacture the products, and Thermo will distribute and market the products worldwide.

What would you do if faced with a zombie invasion in your analytical laboratory? LCGC Blog editor Kevin Schug provides guidelines and suggestions for fending off an attack, including how to use glassware and dead chromatography columns as defensive weapons and novel applications for laboratory lasers.

A novel orally active insecticidal peptide (OAIP-1) has been isolated from the venom of one of Australia's largest spiders, the Australian tarantula (Selenotypus plumipes) using reversed-phase liquid chromatography (reversed-phase LC) coupled with mass spectrometry (MS). The study was recently published in the journal PLOS ONE.1

The latest on-line highlights, company, and research news in brief as selected by the LCGC editorial team.