Highest precision: Microstructured fiber measures the size of nanoparticles

Better research into environmental and bioanalytical issues in the future

08-Dec-2022 - Researchers at Leibniz Institute of Photonic Technology (Leibniz IPHT) developed a new glass fiber design that enables exceptionally long observations of a large number of individual, freely moving nanoparticles in a liquid. This allows the size distribution of nano-objects in a sample to be ...

Animal-free method predicts nanoparticle toxicity for safer industrial materials

A step closer to safe-by-design material development

26-Nov-2020 - Researchers at Helmholtz Zentrum München together with scientists across Europe developed a novel animal-free method to predict the toxic effect of nanoparticles to the human lung. The method aims to enable the safety-by-design development of safer industrial materials. Our lungs are exposed to a ...

Titanium dioxide from sunscreen is polluting beaches

20-Aug-2018 - Scientists have found that sunscreen from bathers releases significant quantities of polluting TiO2 (titanium dioxide) into the sea. This has the potential to harm marine life. This work, which comes from research on beaches in the South of France, was presented at the Goldschmidt geochemistry ...

Toxicity of carbon and silicon nanotubes and carbon nanofibers

20-Jul-2018 - Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. This algae species is widely spread in the Russian Far East marine area. The acute toxic effect exhibited at concentrations of 100 mg/l of carbon nanotubes (CNTs) and silicon ...

A bendable touch panel with silver nano ink printing

17-Jan-2018 - JST has recognized the results of NexTEP's project, "A Sensor Film for Touch Panels Using Thin Metallic Wire" as a success.This development task was based on the research of Professor Tatsuo Hasegawa, Principal Research Manager at the Flexible Electronics Research Center of the National Institute ...

Silver nanoparticles take spectroscopy to new dimension

A new way of organizing nanostructures has boosted Raman signals by a hundred thousand times to better identify and characterize different molecules

04-Jan-2018 - As medicine and pharmacology investigate nanoscale processes, it has become increasingly important to identify and characterize different molecules. Raman spectroscopy, a technique that leverages the scattering of laser light to identify molecules, has a limited capacity to detect molecules in ...

Scientists capture colliding organic nanoparticles on video for first time

20-Nov-2017 - A Northwestern University research team is the first to capture on video organic nanoparticles colliding and fusing together. This unprecedented view of "chemistry in motion" will aid Northwestern nanoscientists developing new drug delivery methods as well as demonstrate to researchers around the ...

Method improves accuracy of imaging systems

09-Feb-2017 - New research provides scientists looking at single molecules or into deep space a more accurate way to analyze imaging data captured by microscopes, telescopes and other devices. The improved method for determining the position of objects captured by imaging systems is the result of new research ...

More light on cancer

Scientists created nanoparticles to highlight cancer cells

23-May-2016 - The group of Russian and French researchers, with the participation of scientists from the Lomonosov Moscow State University, has succeeded to synthesize nanoparticles of ultrapure silicon, which exhibited the property of efficient photoluminescence, i.e., secondary light emission after ...

Speeding food safety tests to deliver fresher products

05-Jun-2014 - A research team led by food scientist Sam Nugen at the University of Massachusetts Amherst recently received a $495,950 grant from the U.S. Department of Agriculture's National Institute of Food and Agriculture (NIFA) to improve food safety by developing faster methods for detecting and ...