The state-of-the-art alternative for central vacuum systems

08-04-2011

#img9169# Since 50 years VACUUBRAND has been attracting a great deal of attention with continuous innovations in chemical resistant vacuum pumps and unique control technologies for use in chemistry laboratories.With the VACUU·LAN® system VACUUBRAND was the first manufacturer to introduce a ...

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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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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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16-11-2010

In recent years water-soluble polymers are gaining more and more interest in different applications. The molecular weight distribution of polymers is usually characterized by size exclusion chromatography (SEC) coupled with refractive index, viscometric or laser light scattering detection. ...

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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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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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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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High-quality bitumen for worldwide road construction provided by Viennese engineering company Pörner based on Biturox® technology

27-04-2009

There is a paradoxical consequence of the financial crisis: To produce bitumen is more attractive than ever. In the last six months prices for crude oil and, in particular, the consumption of heavy, sulfur-containing marine Diesel fuel (bunker oils) have dropped, while at the same time the ...

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Online process for soft water control

27-11-2007

For the generation of soft water are mostly used ion exchanging devices with generation of sodium chloride since the beginning of the Sixties. The generated soft water quality and soft water quantity are depending thereby on the static and dynamic characteristics of the softening plant in ...

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29-06-2007

Application 1 Fast method development and upscaling shown by the example of a root extrakt. Rotor volume 200 ml, flow rate: 10 ml/min, detection UV 254 nm, solvent system: hexane-ethylacetate-methanol-water Fig. 1Fig. 2 Fig. 3 Fig. 4 The analytical HPLC chromatogram (Fig.1) shows the ...

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