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18 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 terms of environmental impacts concerning energy, water, and global warming potential (GWP)....

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Battling Corrosion in Refineries

With the Power of In-line Analysis

26-04-2011

Corrosion in refinery operations has been, and still is, the subject of many studies, papers, courses and web forums. Although a lot of what has been written shows that significant progress in understanding corrosion has been made, it also makes it clear that the problem continues to exist and that quite possibly is getting worse...

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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 information as possible about their chemical and structural compositions. For the fields of nanotechnology and materials science, a thorough knowledge of the samples' surface morphology on a sub-micron scale is essential...

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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 world, on the other hand, olfactory signals are an essential element of social communication. Yet we are only just beginning to understand the complexities and functional differences of the sense of smell in mammals. Professor Marc Spehr is leading the Department of Chemosensation at RWTH Aachen University since 2009, where he is conducting research on the neuronal mechanisms of olfactory perception and signal processing using the mouse model. In his experiments, he and his team are trying to find out how substances for social interaction are perceived and how this perception generates a specific type of behavior...

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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 a number of samples with the help of the FLUOstar OPTIMA multidetection microplate reader from BMG LABTECH...

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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 universally accepted and welcomed in the market, although there are more considerations than just traceability. The latest development in 2D coded tube systems that combine flexibility, traceability and ensure the integrity of your precious samples are truly moving towards the ideal sample storage solution...

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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 would be a solvent or drying aid. Common examples include alcohols (such as IPA), mineral spirits, kerosene, toluene or xylene. The only compounds that have been exempt from regulations are those that have shown negligible photochemical reactivity, such as volatile methyl siloxanes, acetone, and tertiary butyl acetate. Conflicts between application specifications that require higher VOC products and tightening regulation standards pose a challenge to the market...

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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 deliver benefits that stand out from those of the competition. Creams, lotions and color cosmetics must be easy to spread and comfortable to wear, without feeling tacky or greasy. Silicones have been popular ingredients in skin care products for more than fifty years. These versatile materials are known for their emolliency, wetting and spreading characteristics and ability to provide unique aesthetics. As technology continues to evolve, silicones increasingly offer multifunctional, high performance properties. This article reviews some of the newest silicone technologies available for the formulation of innovative skin care products...

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Burn injuries under freezing (labor protection) conditions?

Optimal protection when handling cryogenic liquefied gases

28-10-2009

"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 and tissue damage or severe burn injuries may occur, depending on the type of contact and exposure time. There are less possibilities of medical treatment than for injuries caused by influence of heat...

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

15-09-2009

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 in the aging process and in the development of many degenerative diseases, including cancer, heart disease, Alzheimer's and Parkinson's. Herein we describe the determination of the antioxidant capacity of different fruit juices using the ORAC assay; a standardized method that uses Trolox®, a water-soluble analogue of vitamin E, as a standard substance...

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