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Bases

Companies Bases

Alfa Aesar GmbH & Co KG, Germany

Alfa Aesar, now part of Thermo Fisher Scientific is a leading manufacturer and supplier of chemicals, metals, and life science products for research and development. For more than 50 years, scientists have relied on Alfa Aesar to supply high purity raw materials for a variety of research and dev more

Merck Millipore, Germany

The Lab Solutions business unit of Merck Millipore supplies products for research, analytical and clinical laboratories in a wide variety of industries. We are one of the leading suppliers of laboratory chemicals, lab water equipment and consumables. For inorganic chemistry, we offer reagents, refer more

Catalogs Bases

Solvents & Inorganics for Accurate, Brilliant Results

Analytical techniques such as Titration, Chromatography, and Spectroscopy are only as reliable as the quality of solvents and inorganics that you use more

News Bases

  • Sending messages using household chemicals

    Nearing the completion of his master’s degree in computer engineering and computer science at York University in Ontario, Canada, Nariman Farsad was considering pursuing further study elsewhere. But his supervisor, Andrew Eckford, convinced him to stay by suggesting an odd line of research. The idea more

  • A battery made of wood?

    A sliver of wood coated with tin could make a tiny, long-lasting, efficient and environmentally friendly battery. But don’t try it at home yet – the components in the battery tested by scientists at the University of Maryland are a thousand times thinner than a piece of paper. Using sodium instead o more

  • European Commission approves BASF’s acquisition of Cognis

    The European Commission approved the acquisition of Cognis Holding GmbH by BASF SE. The approval is subject to the divestiture of businesses that accounted for sales of significantly less than €100 million, which is less than 3% of Cognis’ total sales. In addition, the Chinese authorities approved t more

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Videos Bases

Stanford researchers send text messages using chemicals

Researchers have built a machine that texts sends messages using common chemicals. This system could be used in nanoparticle communication or to send secret notes. more

White papers Bases

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Infographics Bases

Acids, Alkalis, and the pH Scale

The pH scale is something we’re all familiar with; most people will remember it from school chemistry lessons. It’s the scale used to rank how strong an acid (or alkali) a solution is. The colours associated with each number correspond to the colour that universal indicator turns in solutions of tha more

The Colours & Chemistry of pH Indicators

Most of us, chemists or otherwise, have probably come across pH indicators at one point or another. I’d be surprised if there’s anyone out there who hasn’t, back in school, carried out the standard experiment of adding universal indicator to a variety of household liquids to identify them as acidic more

Publications Bases

  • Biguanides, anion receptors and sensors

    Biguanides are strong bases (pKa > 10), their protonated forms bind anions and may therefore act as receptors for anions. We report on easy-to-make anion receptors and fluorescence-based sensors utilizing the biguanide moieties that respond to the presence of anions with a change in fluorescence. Th more

  • Molecules, Vol. 22, Pages 1506: New Tetra-Schiff Bases as Efficient Photostabilizers for Poly(vinyl chloride)

    Molecules, Vol. 22, Pages 1506: New Tetra-Schiff Bases as Efficient Photostabilizers for Poly(vinyl chloride) Molecules doi: 10.3390/molecules22091506 Authors: Dina Ahmed Gamal El-Hiti Ayad Hameed Emad Yousif Ahmed Ahmed Three new tetra-Schiff bases were synthesized and charac more

  • Anion–π Catalysis of Diels–Alder Reactions

    Abstract Among concerted cycloadditions, the Diels–Alder reaction is the grand old classic, which is usually achieved with acid catalysis. In this report, hydroxypyrones, oxa‐, and thiazolones are explored because they provide access to anionic dienes. Their [4+2] cycloaddition with cyclic and a more

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Market studies Bases

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Related topics
Definition

Degenerate bases

Degenerate bases Degenerate base symbols in biochemistry are a IUPAC representation for a position on a sequence that can be have multiple possible alternatives. These should not be confused with non-canonical bases , each particular sequence wi ... more

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