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47 results- Discovery of biomarkers in space
In 2018, very large organic molecules were discovered in ice particles on Saturn's moon Enceladus. It is still unclear whether they indicate the existence of life or were created in some other way. A recent study could help to answer this question... - New Invention for more Efficient Atomic Force Microscopes
Tiny tips on cantilevers are used to scan a surface in an atomic force microscope. A new invention from TU Wien now provides a simpler way to measure the result. The basic principle of the atomic force mi... - Electronic nose: sensing the odor molecules on graphene surface
Graphene-based olfactory sensors that can detect odor molecules based on the design of peptide sequences were recently demonstrated by researchers at Tokyo Tech. The findings indicated that graphene fie... - New model describes boiling process with much greater precision
When a liquid boils in a vessel, tiny vapor bubbles form at the bottom and rise, transferring heat in the process. How these small bubbles grow and eventually detach was previously not known in any... - Making molecular vibrations more detectable
In molecules, the atoms vibrate with characteristic patterns and frequencies. Vibrations are therefore an important tool for studying molecules and molecular processes such as chemical reactions. A... - The mysteries of cosmic dust
Researchers of the ETH Zurich and the National Centre of Competence in Research (NCCR) PlanetS have closely analysed the characteristics of cosmic dust based on laboratory experiments and measurement data collect... - Magnetic trapping of rare-earth ions may lead to a handy technology for their separation
Some raw materials are considered critical by the European Commission. These include many representatives from the rare-earth elements group, for which supply bottlenecks are imminent and no simple substitute opt... - Micro- and nanoplastic from the atmosphere is polluting the ocean
According to estimates, by 2040 the level of plastic pollution could reach 80 million metric tons per year. Plastic particles have now been detected in virtually all spheres of the environment, e.g. in ... - Real-time molecular imaging of near-surface tissue using Raman spectroscopy
Current medical imaging techniques mostly provide information based on morphological or anatomic differences of the tissue, disregarding the underlying molecular composition. Molecular-sensitiv... - 3D-printed sodium-ion batteries by 2025
Safer, cheaper, more sustainable and more flexible with increased performance - these are the attributes of a new generation of batteries: Solid-state batteries that rely on sodium instead of lithi...
- Optimization of mRNA containing nanoparticles
The research neutron source Hein Maier-Leibnitz (FRM II) at the Technical University of Munich (TUM) is playing an important role in the investigation of mRNA nanoparticles similar to the ones used in the Co... - Observe an inhomogeneous electron charge distribution on an atom for the first time
Until now, observing subatomic structures was beyond the resolution capabilities of direct imaging methods, and this seemed unlikely to change. Czech scientists, however, have presented a method with which they became the ... - Detecting the handedness of a single nanoparticle
Scientists from the Micro, Nano and Molecular Systems Lab at the Max Planck Institute for Intelligent Systems have developed a new spectroscopic-microscope, which can be used to observe a single nanoparticle in real time. ... - Neutrinos weighed by the world's most precise scale
What is the mass of neutrinos? To answer one of the most fundamental and important open questions in modern particle physics and cosmology, the KATRIN Karlsruhe Tritium Neutrino Ex-periment was designed and built by an in... - Easy printing of biosensors made of graphene
Cell-based biosensors can simulate the effect of various substances, such as drugs, on the human body in the laboratory. Depending on the measuring principle, though, producing them can be expensive. As a re... - Transportable optical clock used to measure gravitation for the first time
A European collaboration involving clock experts from the National Physical Laboratory (NPL), the Physikalisch-Technische Bundesanstalt (PTB) and the Istituto Nazionale di Ricerca Metrologica (INRIM) has used PTB's transportable optical ... - Simple Organic Molecules form complex materials through self-organization
Floor parquetings are typically found in living rooms. But microstructured parquetings, or rather tessellations, may occur in materials as well. Materials with tessellations can, for example, be charact... - 10-second HIV test linked to mobile phones
The University of Surrey, working with colleagues at University College London, the Africa Health research Institute (South Africa), OJ-Bio (Newcastle), QV (holdings (Netherlands) and the Japan Radio Co... - Precision measurement on heavy ions contradicts theory
For the first time, a team of researchers under the leadership of TU Darmstadt and with the participation of scientists from the Physikalisch-Technische Bundesanstalt (PTB) has succeeded in measuring the transition be... - Visualising the distribution of chemical substances on samples with non-flat surfaces
The chemical analysis of biological tissues with three-dimensional shapes has previously been a major problem. Researchers from three different institutes of the Beutenberg Campus in Jena, Germany, together ...
- Innovations in Profilometer-guided Raman Imaging
WITec, the inventor of topographic Raman imaging, will present at Pittcon 2017 in Chicago the next generation of its patented TrueSurface optical profilometer. The combination of surface analysis a... - Nanotechnology enables new insights into chemical reactions
Eighty percent of all products of the chemical industry are manufactured with catalytic processes. Catalysis is also indispensable in energy conversion and treatment of exhaust gases. It is importa... - Physicists observe diffusion of individual atoms in light baths
A combination of experiments and theory has enabled physicists to understand the diffusion of individual atoms in periodic systems for the first time. The interactions of individual atoms with light at ultralow temperatures close to abso... - New developments in measurement techniques for aspheres
Whether we are dealing with space telescopes whose lens systems have to be accurate to the nanometer despite their large dimensions or with cell phone cameras or endoscopes, aspheres are used in innumer... - Scientists solved a mystery from the world of art using X-ray radiation
With the help of the brilliant X-ray radiation from DESY's research light source PETRA III, scientists have solved a decades-old mystery from the world of art: A team led by Dr. Geert Van der Snickt of the University of Antwerp unravelle... - New materials for the construction of metal organic two-dimensional quasicrystals
Unlike classical crystals, quasicrystals do not comprise periodic units, even though they do have a superordinate structure. The formation of the fascinating mosaics that they produce is barely understo... - Measurement of the dynamic mechanical properties of viscous materials
In microsystems metallic components are increasingly being replaced by those from low-cost polymers. For the thickness measurement of polymers, there is now the DIN standard 32567 available, which ... - Fukushima radioactivity diluted in the Pacific makes tracing ocean currents possible
Very little is known about ocean currents and generally about dynamics in the oceans. But radioactivity released into the Pacific by the Fukushima nuclear accident, which was quickly diluted to harmless leve... - Gallium as a new reversible adhesive?
Some adhesives may soon have a metallic sheen and be particularly easy to unstick. Researchers at the Max Planck Institute for Intelligent Systems in Stuttgart are suggesting gallium as just such a reversible adhesive... - High pressure reduces adsorption capacity of metal-organic frameworks
Metal-organic frameworks (MOFs) can store gases such as methane in their surface interstices, or pores. Now teams from the Technische Universität Dresden and Helmholtz-Zentrum Berlin (HZB) have precisel...
- Terahertz technology reaches industrial maturity
Terahertz is a new technology in which nondestructive testing of components and surfaces is possible. Until now, these devices and, in particular, the sensor heads have been expensive and unwieldy. Researchers at... - Smart nanogels at the air/water interface: structural studies by neutron reflectivity
Gels are materials that are present in many everyday products such as shampoos, sunscreens and food gelatin among many others. They are formed by mixtures in which large amounts of liquid, usually water, are confined within a flexible network... - Agricultural insecticides pose a global risk to surface water bodies
Streams within approx. 40% of the global land surface are at risk from the application of insecticides. These were the results from the first global map to be modelled on insecticide runoff to surf... - The radiotracer can be visualized in vivo by using Positron Emission Tomography
Enzymes perform a range of key functions for the human body. As such, inside our cells, and inside the tiniest of organelles, proteins called cathepsins assist healthy cells with protein breakdown. However, in the presence of cancer cells spreading througho... - New kind of spectrometer for the analyses of sample surfaces
HZB's own Prof. Dr. Gregor Schiwietz and his team have developed a new kind of spectrometer capable of particularly sensitive analyses of sample surfaces. It has allowed them to be the first to obtain measurements of a copper sample's Auger electr... - At the frontiers of magnetism
The smallest possible magnets are the size of a single atom. Now scientists have reached the limits of optimisation of the tiny particles: they have created single atom magnets that are as strong a... - Atomic surface structure made visible in viscous fluids
Stefan Weber, physicist at the Max Planck Institute for Polymer Research (MPIP), has presented a method to measure and image surface structures in different liquids with unprecedented resolution. H... - A quantum simulator for magnetic materials
Physicists at ETH Zurich have developed a quantum simulator that allows arranging atoms in a way that they mimic the behaviour of electrons in magnetic materials. The experiment opens up the possibility of system... - Precision measurement of metallic foils during production
The Fraunhofer Institute for Laser Technology ILT is unveiling its new "bd-2" sensor for thickness measurements. Within a measurement range of several millimeters, the system can accurately measure... - Organic Detectors for X-Rays
Siemens is conducting research into organic detectors for X-rays. This technology has the potential to substantially reduce production costs and also promises better image resolution than is possible with today's detectors...
- Conference Review: 9th Confocal Raman Imaging Symposium
The worldwide Raman Imaging Community met from 26. - 27. September at the 9th Confocal Raman Imaging Symposium in Ulm, Germany to discuss the latest developments in the field. Featured at this year'... - TrueSurface Microscopy Now Integrated with the WITec alpha300 series
WITec's award-winning TrueSurface microscopy is now available as an integrated option for the alpha300 microscope series. This development enables topographic Raman Imaging on large samples for the full... - Surface emitters developed at the TU Darmstadt set a new world record for spectral bandwidth
Working in collaboration with their partners under the EU's "Subtune" project, scientists at the TU Darmstadt have developed semiconductor lasers that emit light over a wavelength range of 100 nm, a new world record for a singl... - Processes at the Surface of Catalysts: Detecting Acitive Centers with Infrared Spectroscopy
In chemical industry, heterogeneous catalysis is of crucial iportance to the manufacture of basic or fine chemicals, in catalytic converters of exhaust gas, or for the chemical storage of solar ene... - Tracking down Antimatter in the Universe
On April 29, 2011, the AMS-02 Alpha Magnetic Spectrometer will take off from the NASA launch site Cape Canaveral (Florida) to the International Space Station ISS on board the space shuttle Endeavou... - "True Surface Microscopy" enables Topographic Confocal Raman Imaging
WITec has launched the new True Surface Microscopy option. The core element of this revolutionary imaging mode is an integrated sensor for optical profilometry. Large-area topographic coordinates f... - AFM Tips from the Microwave for Atomic Force Microscopy
Scientists from the Friedrich-Schiller-University Jena (Germany) were successful in improving a fabrication process for Atomic Force Microscopy (AFM) probe tips.Atomic Force Microscopy is able to scan s...
47 results- Assessment of the Feasibility of 2- and 3-Layer Measurements by Means of LFA
Fabia Beckstein, NETZSCH Gerätebau GmbH
Determination of the thermal conductivity of multi-layer samples is a challenge not only for the measuring technology, but also for the operator. The Proteus® LFA soft- ware offers the possibility of measuring 2- and 3-layer samples. The analysis is carried out according to Hartmann [1] up to Pro... - Optimization of the stabilization process of aqueous TiO2-pigment dispersions for dip coating applications by means of electrokinetic sonic amplitude
Daniel Moog, Pulveranalyse GbR
The high-quality white pigment titanium dioxide has many applications. Coagulation or agglomeration of a TiO2 dispersion must be avoided at all costs, both in the manufacturing process and in the processing, e.g. by manufacturers of paints and coatings. This applies in particular to highly filled... - New derivatization reaction of perfluorcarboxylic acids with N,N-dimethylformamide dialkylacetals
Dr. Katrin Schuhen, Wasser 3.0
Monika Breithaupt, SAS Hagmann GmbH
N,N-dimethylformamide dialkylacetals are very powerful derivatization reagents. The most known member of this group is N,N-dimethylformamide dimethylacetal or shortly DMF-DMA. We tried to use this compound to derivatize perfluorooctanoic acid (PFOA) and form an ester. However, our research showed... - Inline process control of wettability by means of contact angle measurement on moving surfaces
Ming Jin, Dr. Thomas Willers, Krüss GmbH
Contact angle measurement has completed the step from the test laboratory into the production hall with regard to quality assurance for the cleaning and pretreatment of surfaces. This has been made possible thanks to the development of fast and mobile measuring technologies. We go even further wi...