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12 Current white paper about the topic mass spectrometry

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Sample Preparation for MALDI Imaging with SunCollect System

02-11-2012

#img14629# MALDI Mass Spectrometry Imaging During the last years, matrix-assisted laser desorption/ionization (MALDI) mass spectrometry has been subject to considerable improvements. Whereas the focus of MALDI before has mostly been on the analysis of peptides and proteins (proteomics), the ...

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GC-C-IRMS Determination of Hormones

eVol® Reduces Interference Caused by Solvents and Plastic Pipette Tips

26-09-2011

#img10984# The Belgian Federal Agency for the Safety of the Food Chain (FASFC) is a federal executive agency that sets the operational standards applicable to businesses and integrates all official control and inspection services for the food chain. The FASFC is responsible for setting, ...

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A granular look at sugar

Use of novel analysis methods

12-01-2011

Our experience with sugar starts in early childhood – since breast milk contains lactose. Human sensory perception alone is, however, not enough to properly assess the useful but also potentially harmful effects of an age-old sweetener (saccharose). Nutrition researchers and physicians have, ...

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Characterizing Biotherapeutics with HPLC

Smart Solutions for large Molecules

24-11-2010

Development and production of biopharmaceuticals is a growing segment of pharmaceutical industry. Therapeutic proteins include blood factors, thrombolytic agents, growth factors, interferons, interleukins, therapeutic enzymes and last but not least monoclonal antibodies. More than twenty ...

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Increased productivity for downstream processing of biotherapeutics

16-11-2010

Polymer-based chromatographic resins featuring high mechanical and chemical stability and high protein binding capacities can help to increase the throughput and robustness of biopharmaceutical manufacturing processes. Advances in genetic engineering and cell culture technology have raised ...

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Field-Flow Fractionation - The Universal Separation Principle for Particle and Macromolecule Characterization

22-09-2010

High molecular weight polymers, bio molecules or particles in a range of a few nanometers up to several microns are more and more important in science and technology. Many applications are based on the specific properties of these materials. For this reason, an exact knowledge of the molar ...

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Size and element specific determination of Ag nanoparticles in consumer spray products using asymmetric flow field flow fractionation (AF4) coupled to ICPMS

10-09-2010

#img6125# Introduction: The use of nanoparticles in consumer products shows a tremendous increase over the past years. A study of the Woodrow Wilson International Centre for Scholars¹ reported that between 2005 and today the number of products based on nanoparticles increased almost ...

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Absolute Molar Mass Characterisation

27-11-2009

Ever since scientists work with proteins, polymers and particles, there has been an enormous demand to know their molar mass and physical size without making a priori assumptions about these molecules. This is because their properties can depend both on their size and chemical composition. ...

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The Determination of Hazardous Substances According to RoHS and WEEE Directives

28-08-2005

Abstract1st July 2006 is an important deadline for the electro- and electronics industries. This date bans hazardous substances like lead, cadmium, mercury, hexavalent chromium and polybrominated biphenyls and diphenyl ethers from electro- and electronic equipment. This restriction, even ...

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Accurate Mass and TIPTM: Two Dimensions for Elemental Composition Determination: microTOFTM Featuring Unique TIPTM

10-03-2005

The ESI-TOF mass spectrometers micrOTOF and micrOTOF focus do not only provide accurate mass measurements but additionally describe the True Isotopic Pattern TIPTM. For molecular formula generation this unique combination significantly reduces the number of possible formula candidates and the ...

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