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Micelles as a reaction environment

Microstructured, aqueous solutions allow for a photocatalytic activation of alkyl chlorides

Photoredox catalysis has developed into a powerful tool for the synthesis of organic compounds with diverse structures. However, the high stability of carbon-chloride bonds has long hampered the use of cheap and readily available chloroalkanes as substrates.

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Colorful off-odors in artists’ paints

Identifying odor-active compounds in acrylic paints

Acrylic-based paints are among the most frequently used by artists. Although they can be produced on a water basis and with low levels of volatile substances, they often still possess a strong inherent smell. However, no targeted studies have as yet been conducted to identify odor-active ...

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Cell cultures in the third dimension

Printable elastic silicone carrier systems for 3D cell cultures

For chemicals and pharmaceutical products that are brought to the market, meaningful toxicological data needs to be ascertained. While, to the present day, animal experiments play a key role in this task, the challenge is to replace them with high-validity tests carried out in organoid cell ...

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Scientist – Teacher – Service provider

Carl Remigius Fresenius (1818–1897), a pioneer of analytical chemistry

On December 28, 2018, Carl Remigius Fresenius would have celebrated his 200th birthday (Fig. 1.) Not only was he a scientist but also an innovative entrepreneur as well as the teacher of about 5,000 students during the more than fifty years of his pioneering, enduring professional work. It is ...

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The fingerprint of the diatom

Multi-elemental analysis of diatoms using single-cell-ICP-TOF-MS

In today’s laboratories, elemental analysis methods are used for more than just determining total metal content in various sample matrices. They have become an important tool for life science research in environmental science, medicine and biology.

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Mercury in the environment

A comparison of different analysis techniques for determination and species analysis of mercury

Mercury is undisputedly one of the most toxic elements. In 2013, the Minamata Convention on Mer-cury to restrict the production and emission of this heavy metal was adopted in Geneva. It regulates the production, use and storage of mercury. For example, new mines may no longer be built and ...

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How to analyze active unknown unknowns?

Discovering compounds that matter for food safety along the global food chain

More than ever, consumers are concerned about the food they consume. For example, for botanical extracts used in food products and food supplements, fraud is quite common. It is evident that specifications, quality control and regulation of botanicals need to be improved [1-3].

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Coffee – A world of variety

Using photoionization mass spectrometry for online analysis and control of the coffee roasting process

Turning green coffee into roasted brown beans conjures myths, trends and desires. From the small gourmet roaster to the industrial plant, the growing consumer interest in quality and variety has increased the need to understand and influence the processes that take place when coffee is being ...

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Weighing in the US Pharmacopeia

Minimum Weight and Routine Testing According General Chapters 41 and 1251

Weighing is one of the key activities carried out in every QC laboratory. Usually, it is one of the first parts of a whole analysis chain. As any weighing errors have the potential to propagate through the whole analysis and deliver an inaccurate final result, the United States Pharmacopeia (USP) ...

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Surprisingly simple molecules as potential OLED-Emitters?

Improving the efficiency of organic light emitting diodes with aromatic carbonyls

Organic light emitting diodes (OLEDs) are presently conquering the market for displays of smartphones and TVs. They also have a great potential in lighting applications. Current devices for the blue part of the visible spectrum lag behind their green and red counterparts in terms of efficiency ...

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The q&more concept is to increase the visibility of recent research and innovative solutions, and support the exchange of knowledge. In the broad spectrum of subjects covered, the focus is on achieving maximum quality in highly innovative sectors. As a modern knowledge platform, q&more offers market participants one-of-a-kind networking opportunities. Cutting-edge research is presented by authors of international repute. Attractively presented in a high-quality context, and published in German and English, the original articles introduce new concepts and highlight unconventional solution strategies.

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