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Taste and aroma boost in the mouth

Microwave-assisted freeze-dried raspberry foam snack: Characteristics, drying and storage stability

The food trend towards healthy snacks is continuing. Snacks made from freeze-dried fruit meet consumer expectations of modern and high-quality food. However, freeze drying of whole fruits requires long drying times and substantially reduces sensorial quality, which is unappealing to consumers.

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The internet of things in the lab and in process

The digital transformation challenges for the laboratory 4.0

It is a fact that much of the time spent on analytical laboratory instrumentation these days goes into system maintenance. Digital transformation could give us more time again for creativity and our actual laboratory work – if we shape it the right way.

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Analytical quantitation of gluten in foods

Detection of gluten from wheat, rye and barley in gluten-free products for celiac disease patients

According to legislation, foods bearing a gluten-free label must not contain more than 20 mg of gluten per kilogram, which is crucial to ensure food safety for celiac disease patients. Gluten is detected by immunological, genomic, chromatographic and/or mass spectrometric methods, but the ...

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Shop floor management in the laboratory

Success factors and stumbling blocks involved in running a shop floor board with international and multicultural teams

Lean management has expanded in scope to establish itself in corporate functions beyond production. In present-day laboratory operations, it forms a basis for optimized processes and efficient quality management, providing valuable tools for the digital transition to Laboratory 4.0.

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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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