The resulting particles are less than 8 nanometres thick (a human hair is around 80,000-100,000 nanometres)
"These tiny particles are camouflaged kind of, I would say, "explains bioengineering professor, Dipanjan Pan, who worked on the study alongside his colleague Rohit Bhargava.
you can pretty much make these particles at home, "says Pan in a press release.""You just mix them together
so you can do multidrug therapy with the same particles.""H/T: Techrada d
#World first underground urban farm opens for business in London The world first underground urban farm has started trading in London,
The measurement approach is called sequential two-photon laser induced fluorescence (2p-LIF) and uses two different laser beams to excite mercury atoms
and monitor blue shifted atomic fluorescence. UM Rosenstiel School Professor of Atmospheric Sciences Anthony Hynes and colleagues tested the new mobile instrument
where the mercury atom is combined with another element or elements and becomes more efficiently deposited in the environment."
titled"Deployment of a sequential two-photon laser-induced fluorescence sensor for the detection of gaseous elemental mercury at ambient levels:
"As they eat, the bacteria produce electrons and protons. The voltage that arises between these particles generates energy that we can exploit.
Since the waste in the wastewater (organic material) is consumed and thus removed, the water itself becomes purified,
but which could also transfer electrons to a metal electrode, "he says. The idea behind this water purification approach was born many years ago
International team of scientists constructs first germanium-tin semiconductor laser for silicon chips The transfer of data between multiple cores as well as between logic elements and memory cells is regarded as a bottleneck in the fast-developing computer technology.
In contrast semiconductors of main group IV--to which both silicon and germanium belong--can be integrated into the manufacturing process without any major difficulties.
That is why research groups all over the globe are intensively pursuing the objective of manipulating the material properties of germanium
The scientists at Julich's Peter Grunberg Institute have succeeded now for the first time in creating a real direct main group IV semiconductor laser by combining germanium and tin
That way we were able to demonstrate that the germanium-tin compound can amplify optical signals as well as generate laser light reports Dr. Hans Sigg from the Laboratory for Micro and Nanotechnology.
radiation module. Applications are wide-ranging and include medical diagnostics and fluorescence spectroscopy as well as UV curing and disinfection.
Applications in absorption spectroscopy and for generating terahertz radiation are also conceivable. Arrayfiber-coupled demonstrators newly developed at FBH for industrial use aim at integrating laser radiation with high spectral brightness into various systems
harnessing its output for imaging applications that make microscopic particles appear huge.""The device makes an object super-visible by enlarging its optical appearance with this super-strong scattering effect,
Sunlight to electricity Solar cells work by converting photons of sunlight into an electric current that moves between two electrodes.
Silicon solar cells generate electricity by absorbing photons of visible and infrared light, while perovskite cells harvest only the visible part of the solar spectrum where the photons have more energy.
Microscopic cross-section of a tandem solar cell made with two photovoltaic materials, perovskite stacked on top of CIGS (copper indium gallium diselenide).
Colin Bailie, Stanford bsorbing the high-energy part of the spectrum allows perovskite solar cells to generate more power per photon of visible light than silicon cells,
so that some photons could penetrate the perovskite layer and be absorbed by the silicon at the bottom,
how do you detect a very rare mutation in a large pile of healthy DNA molecules?
and sink (the goat) are sequence-specific DNA molecules that root out single-nucleotide variant targets in solutions that also include healthy ild-typesequences.
#Single Atom Building blocks For Future Electronics The material is called a silicene, a layer of silicon single atoms arranged in a honeycomb pattern that was fabricated first by researchers at UOW Institute for Superconducting and Electronic Materials (ISEM) and their partners in Europe and China.
An ISEM team led by Professor Shi Xue Dou and Dr Yi Du have published breakthrough research into a new material call silicene.
Silicene great promise is related to how electrons can streak across it at incredible speed close to the speed of light.
Propelling the electrons in silicene requires minimal energy input, which means reducing power and cooling requirements for electronic devices. f silicene could be used to build electronic devices,
Dr Du team had to reak the laws of chemistryand create an artificial environment using an ultra-high vacuum. hen we vibrate the silicon atoms it causes heat
and the atoms disassemble, Dr Du said. hen we use two small robotic arms that we move with a hand-held video game controller to catch the atoms in the vacuum chamber
and place them one at a time on a plate to form the silicene paper. he process is like laying bricks,
only these are bricks are the size of a single atom. A 1 centimetre-long chain contains 10 million silicon atoms.
Studying the fundamental physics is helping the researchers build a more complete picture of the material,
Molecules of carbon and other greenhouse gases absorb heat. The more greenhouse gases emitted into the atmosphere,
this one generates the particles in a few hours and uses only a handful of ingredients, including store-bought molasses.
or fluorescing molecules to help detect them in the body. Secondly these particles are coated with polymers,
which fine-tune their optical properties and their rate of degradation in the body. These polymers can be loaded with drugs that are released gradually.
However, scientists have to make sure they coated particles properly, so they used vibrational spectroscopic techniques to identify the molecular structure of the nanoparticles and their cargo.
They used spectroscopy to confirm the formulation as well as visualize the delivery of the particles and drug molecules.
Scientists also found that they can alter the infusion of the particles into melanoma cells by adjusting the polymer coatings.
as well as to make it carry several different drugs at the same time to allow for a multidrug therapy with the same particles.
and that is our world we can control cellulose-based materials one atom at a time. he Hinestroza group has turned cotton fibers into electronic components such as transistors and thermistors,
Two of Hinestroza students created a hooded bodysuit embedded with insecticides using metal organic framework molecules,
can be manipulated at the nano level to build nanoscale cages that are the exact same size as the gas they are trying to capture. e wanted to harness the power of these molecules to absorb gases
and environmentally benign method to combat bacteria by engineering nanoscale particles that add the antimicrobial potency of silver to a core of lignin,
NC State engineer Orlin Velev and colleagues show that silver-ion infused lignin nanoparticles, which are coated with a charged polymer layer that helps them adhere to the target microbes,
The remaining particles degrade easily after disposal because of their biocompatible lignin core, limiting the risk to the environment. eople have been interested in using silver nanoparticles for antimicrobial purposes,
Alexander Richter, the paper first author and an NC State Ph d. candidate says that the particles could be the basis for reduced risk pesticide products with reduced cost
We are now working to scale up the process to synthesize the particles under continuous flow conditions. ource:
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