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208 Current white paper for laboratory

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Automated Dynamic Light Scattering

09-Nov-2009

DLS analysis is a widely applied, non-invasive method for measuring the effective size of molecules in solution. This technique yields valuable information for the characterization of molecules and particles. It facilitates formerly laborious and tim

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Asymmetric Flow Field Flow Fractionation (AF4) - A Powerful Method for Polymer Characterization

05-Nov-2009

The AF4-MALS combined technique can serve as a routine method for polymer analysis and characterization. AF4 provides separation efficiency entirely

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Burn injuries under freezing (labor protection) conditions?

Optimal protection when handling cryogenic liquefied gases

28-Oct-2009

"A little splash of liquid nitrogen hasn't hurt anybody" - this happens to be a widespread opinion in many laboratories. The real dangers connected to cryogenic gases many people had to learn firsthand, unexpected and painful. Skin irritation, cell a

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ORAC Assay Performed on the POLARstar Omega and PHERAstar FS microplate reader

15-Sep-2009

In all oxygen consuming cells, metabolism and oxidative stress generate several intermediates and byproducts that are collectively known as reactive oxygen species (ROS). ROS are necessary intermediates in the human body, but they are also involved i

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Helpers of all sizes for analysts

Precious analysis tools ranging in size from a shot glass to a rain barrel

24-Jun-2009

Geologists analyze soil samples, the oil industry studies crude oil, and the steel industry wants to know the composition of slag. These are completely different fields, but all begin the analysis process with a high-temperature fusion treatment of t

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How much LIMS can a researcher put up with?

20-May-2009

Researchers don't want to work with a LIMS and analysts don't like electronic laboratory notebooks (ELN). These types of software are not ideally

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35 years' experience in "black gold"

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

27-Apr-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)

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Microwave digestion with top-loading concept for very simple handling and a high sample throughput

Berghof speedwave® four

02-Mar-2009

In many analytical laboratories today microwave digestion is a standard method of preparing samples for determining elements. For microwave digestion the sample material is typically heated to 200 - 260°C in closed microwave-transparent pressure ves

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