Technology Update

Growing concerns regarding the health and environmental effects of nanomaterial production have led many leading researchers within these fields to transition their conventional synthesis methods to more environmentally friendly production methods. Similar eco-friendly solutions have been proposed for the development of green electrochemical sensing platforms.……https://www.azosensors.com/article.aspx?ArticleID=1969&utm_source=azonetwork_newsletter&utm_medium=email&utm_campaign=sensors_newsletter_23_july_2020

Researchers at Japan advanced institute of science and technology (JAIST) have successfully fabrication the suspended graphene nanomesh in a large area by the helium ion beam microscopy. 6nm diameter nanopores were pattern on the 1.2 um long and 500 nm wide suspended graphene uniformly.………

The team of professor Christian Schönenberger of the Swiss Nanoscience Institute and Department of Physics at the University of Basel has developed a technique to pull the graphene sheet on two opposite sides and thereby flattening and smoothing it………

(CNN)Hawaii Gov. David Ige on Tuesday signed the first bill in the country that will ban sunscreens containing chemicals harmful to coral reefs. The bill, which was passed by state lawmakers in May, will go into effect January 1, 2021. At that point, the sale or distribution of over-the-counter sunscreens containing oxybenzone and octinoxate, which […]

Researchers in India say they have discovered a new and simple way to probe how polymers behave at interfaces under different conditions. Their technique, which relies on magnetically polarizable nanoemulsions and visible spectroscopy, could benefit scientists working on developing colloidal formulations for improved food and cosmetic materials, drug-delivery systems and anti-bacterial surfaces, to name but […]

Researchers at Harvard University in the US have made the first ultra-high-quality micro-ring and racetrack resonators from lithium niobate. The new devices, which consist of plasma-etched subwavelength waveguides that can propagate light across a metre-length path while losing only about half their optical power, have quality factors of up to 107. They might be used […]

A team in Japan, Germany, Spain and France has now succeeded in experimentally synthesizing one such material, stanene, on a silver (111) substrate for the first time…….. http://nanotechweb.org/cws/article/tech/70802

Although precision medicine is coming along in leaps and bounds, targeted drug delivery to tumours remains a huge challenge. A variety of nanomaterials, including ligand-conjugated liposomes, exosomes, inorganic nanoparticles and immunoliposomes, can be used to deliver specific drugs but the problem is that it is difficult to maintain the bioactivity of these therapeutics.

Researchers in New Zealand, Poland, China and the US have succeeded in growing 2D allotropes of both antimony and bismuth on atomically flat bismuth using a simple deposition technique for the first time. These materials are nanoscale van der Waals heterostructures with interesting topological properties that might be exploited in future spin-selective electronics devices………. http://nanotechweb.org/cws/article/tech/70640

Brain-inspired neuromorphic engineering has the potential to enhance the computational power of devices by orders of magnitude. However, although recent progress in nanotechnology has produced a range of increasingly advanced non-volatile memory and memristive devices for simulating artificial neural components, combining these devices into circuits is far from trivial. Now, researchers at the University of […]

Researchers at the University of Iowa in the US have used a mutation in the tumour suppressor p53 as a sort of “Achilles heel” to be able to attack endometrial cancer with nanoparticles loaded with anti-cancer drugs. The breakthrough therapeutic technique, which should work for other types of cancers too, might be readily translated to […]

Combining features of attoscience with high-resolution electron microscopy has allowed scientists at Ludwig-Maximilians-Universität München to develop a new technique for time-resolved imaging in both real and reciprocal space. The researchers investigated the time-scale of Bragg diffraction and the behaviour of electromagnetic waves in space and time by compressing an electron beam into a series of […]

The atomically sharp edges of graphene can act as surprisingly efficient electronic tweezers to trap molecules and nanoparticles. This is the new finding from researchers in the US and the UK who say that the mechanism of action of the devices will allow them to precisely position molecules along the edges of a graphene sample […]

A team in the US, Saudi Arabia and Taiwan has now taken an important step forward to achieving this with a new “dislocation-catalysed” technique to grow 1D molybdenum sulphide channels embedded within 2D tungsten disulphide monolayers. The edges of the 1D channels are free from misfit dislocations and dangling bonds, and so coherently interface with […]

PU scientist Raul Rodrigez and his colleagues from Lithuania and Germany were the first in the world to suggest how with the help of graphene oxide, in fact ordinary graphene as in pencils, but oxidized to make the surface of any material suitable for immobilization of living cells……… https://nano-magazine.com/news/2017/11/27/graphene-oxide-making-any-material-suitable-to-create-biosensors/?email=pr@nanotec.or.th