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15 Current news about the topic calorimetry

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Self-assembling silicone-based polymers

24-Oct-2018

Scientists at Tokyo Institute of Technology, RIKEN and Tohoku University have developed a silicone polymer chain that can self-assemble into a 3D periodic structure. They achieved this by using their recently reported self-assembling triptycene molecules to modify the ends of the polymer ...

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Reaction calorimetry in microreactors

12-Jun-2018

At Achema 2018 the Fraunhofer Institute for Chemical Technology will demonstrate the latest gen-eration of continuous reaction calorimeters. These permit rapid screening of thermokinetic data, making kinetic constants and safety-relevant data available in the early stages of process ...

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Water mapping around solutes

23-May-2017

Chemists at Ruhr-Universität Bochum have developed a new method that allows them to map changes in the dynamics and structure of water molecules in the vicinity of solutes. With this technique, called terahertz calorimetry, they investigated the properties of the hydration shell of dissolved ...

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Small nanoparticles have surprisingly big effects on polymer nanocomposites

10-Mar-2017

Polymer nanocomposites mix particles billionths of a meter (nanometers, nm) in diameter with polymers, which are long molecular chains. Often used to make injection-molded products, they are common in automobiles, fire retardants, packaging materials, drug-delivery systems, medical devices, ...

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Inspired by radiation

10-Jan-2017

Last summer, Michael Short was so determined to continue his as-yet unfunded radiation-damage experiments that he was willing to pay to use a nuclear reactor rather than delay his work. Luckily, he didn’t have to come up with the $40,000:In December, thanks to the National Science Foundation’s ...

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TA Instruments broadens its TGA portfolio with the acquisition of Rubotherm

13-Sep-2016

TA Instruments announced the acquisition of Rubotherm GmbH of Bochum, Germany. Rubotherm develops and manufactures analytical test instruments for thermogravimetric and sorption measurements that are used in both industrial and academic research laboratories in disciplines that include chemistry, ...

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A Protective Shield against the Heavy Metal Uranium

The glutathione molecule aids in cellular resilience

07-Jun-2016

Microorganisms can better withstand the heavy metal uranium when glutathione is present, a molecule composed of three amino acids. Scientists from the German based Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the University of Bern in Switzerland have now proven this resilience by closely ...

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New insights on controlling nanoparticle stability

New findings could enhance stabilizing or destabilizing nanoparticles, depending on their uses

11-Dec-2013

University of Oregon chemists studying the structure of ligand-stabilized gold nanoparticles have captured fundamental new insights about their stability. The information, they say, could help to maintain a desired, integral property in nanoparticles used in electronic devices, where stability is ...

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An experimental approach to understanding the fire hazard involved when handling ionic liquids

09-Jan-2013

Ionic liquids (ILs) have been embraced as the green solvent of the future and are noted for their operational safety in part due to their non-flammable nature as compared to conventional solvents. In fact, existing regulations for measuring the flammability of solvents do not take into account ...

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Room Temperature Liquid Porphyrins: Potential Optical Limiters

24-Mar-2010

Porphyrins have received a great deal of attention in the scientific community owing to their useful application in a wide variety of areas, such as the treatment of cancer and systems that mimic photosynthesis. A common shortcoming observed in using porphyrins arises from their tendency to form ...

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