24-11-2010

Each antibody-antigen interaction has unique characteristics. A protocol giving good results for one antibody-antigen pair might found to be unsatisfactory for a second antibody even on the same sample. The interaction of antisera with protein epitopes in Western blot dependens upon a number ...

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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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Induced gratings: new method for the determination of nanoparticles

05-11-2010

Although the ancient Egyptians already used inks 5000 years ago, inks and their properties have been continuously improved and refined over thousands of years. Nevertheless, the basic principle of tinta acqua (colored water) remains the same. Today, in addition to inks based on dissolved ...

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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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25-03-2010

Samples are viewed by many as one of the most valuable assets of a laboratory. The costs inherent in storing samples for short or long periods of time is very high taking into account that you need the personel, equipment and logistics needed to organize your sample storage. Securing the ...

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Comparison of 2 methods

17-03-2010

In the pharmaceutical and food industry, colorimetrically stained samples like gels stained with Coomassie® are an important method for quality control. The acquisition of these samples for documentation and quantification purposes can be realised in two different ways. In addition to ...

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18-01-2010

Introduction The MagNA Pure 96 System is a brand-new system recently introduced to the market: it is a fully automated, ultra-fast system for high-throughput isolation of high- quality nucleic acids from various sample types that can handle sample volumes of up to 1 ml. The main features ...

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02-12-2009

By applying array-based sequence capture and pyrosequencing, D’Ascenzo and co-workers successfully identified one known (positive control) and four previously unknown mutations in the mouse Kit gene. These data represent the first documentation and validation of the fact that the new ...

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16-11-2009

In today’s competitive skin care market, consumers look for a range of benefits, superior aesthetics and cost effectiveness. In response, formulators strive to create products that are multifunctional, easy to use and effective in small quantities. At the same time, the most successful ...

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15-09-2009

Antioxidants are able to neutralize Reactive Oxygen Species Antioxidant capacity of fruit juices determined with the ORAC assay in 96 and 384-well format MARS data analysis software with predefined templates for quick ORAC evaluation Introduction In all oxygen consuming cells, metabolism ...

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