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21 Current white paper about the topic water

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Measuring environmental impact: Elix® system water purification vs. a distillation apparatus

11-12-2013

Long-term environmental sustainability and continued reduction in the consumption of non-renewable raw materials is increasingly important for laboratories everywhere. This work compares the effect on the environment of an Elix® 3 water purification system* with that of a distillation system in ...

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Analysis of water soluble polymers using linear size exclusion HPLC columns and a semi-micro SEC system

16-11-2010

One of the most widely used water-soluble polymers is Polyvinylpyrrolidone (PVP). For more than 70 years it is applied in a variety of applications in medicine, pharmacy, cosmetics and industrial production. PVP binds to polar molecules exceptionally well. It supports the solubility of tablets in ...

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New since 5000 years

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 dyes, ...

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Structural and Chemical 3D Imaging with AFM and Raman.

12-10-2010

In the Life Sciences and Bio-medical Research, the characterization of chemical compounds within cells or tissues is one of the most important and difficult tasks for researchers to perform. The development of pharmaceuticals such as drug delivery coatings or capsules also requires as much ...

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Sniffing Out the Secrets of Social Behavior

Prof. Marc Spehr on the New Understanding of Olfactory Neurosensorics

20-09-2010

In his novel "Perfume - the Story of a Murderer", Patrick Süskind managed to put the power of odors into words better than anyone before him. It may be a fascinating idea, but no one will ever be able to create the perfect fragrance that makes a person irresistibly attractive. In the animal ...

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Particle sizing with static laser scattering

27-08-2010

When determining particle sizes a wide variety of techniques are used in which sieving may be the most popular. Sieving is a relatively simple technique, despite the fact that of course different instrumental approaches can be used. The main advantages of sieving are the low price of the ...

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Application of the Amplifluor® SNPs Genotyping System using a FLUOstar OPTIMA microplate reader

16-06-2010

The detection of SNPs (single nucleotide polymorphisms) is an important tool for researchers in order to find mutations in DNA sequences. In this application note we describe a homogeneous fluorescence assay based on PCR. The Amplifluor® SNPs HT Genotyping System from Millipore was used to screen ...

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Traceable Sample Storage Solutions

25-03-2010

The 2D coded tube offers an increasingly wide array of secure traceable sample storage solutions that are being adopted in industries including pharmaceuticals, biotechnology, clinical diagnostics, veterinary science and food and beverages. The sample security that 2D coded tubes provide is today ...

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Calculating VOCs: Not all Low-VOCs Are Considered Equal

20-11-2009

Like most coatings, paints, and maintenance products, water repellents are expected to comply with increasingly stringent regulations of Volatile Organic Compounds (VOC), which are any volatile carbon compounds that engage in atmospheric photochemical reactions. The simplest example of a VOC ...

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New Silicone Technologies for Skin Care

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 products ...

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