Сборщик RSS-лент

Coal could yield treatment for traumatic injuries

ScienceDaily.com: Nanotechnology News - 24 апреля, 2019 - 22:36
Coal-derived graphene quantum dots, when modified with a polymer, are effective antioxidants. They could lead to a therapy for people who suffer traumatic brain injuries, strokes or heart attacks.
Категории: Nano planet

Graphene nanomaterial to replace mercury in LEDs

Nanowerk.com - 24 апреля, 2019 - 22:31
Researchers succeeded in creating light-emitting diodes, or LEDs, from a graphene nanomaterial that emits ultraviolet light.
Категории: Nano planet

Graphene quantum dots could yield treatment for traumatic injuries

Nanowerk.com - 24 апреля, 2019 - 22:21
Graphene quantum dots drawn from common coal may be the basis for an effective antioxidant for people who suffer traumatic brain injuries, strokes or heart attacks.
Категории: Nano planet

Nano-imaging system helps surgeons remove tiny ovarian tumors

Nanowerk.com - 24 апреля, 2019 - 19:04
Real-time carbon nanotube based fluorescent imaging could boost survival rates for ovarian cancer.
Категории: Nano planet

Study shows the potential of carbon nanotubes to cool electronic circuits

Nanowerk.com - 24 апреля, 2019 - 18:54
Mechanically stretched carbon nanotubes extract heat efficiently and could be used to cool flexible electronic devices.
Категории: Nano planet

Imaging system helps surgeons remove tiny ovarian tumors

ScienceDaily.com: Nanotechnology News - 24 апреля, 2019 - 18:29
Researchers have developed a way to improve the accuracy of surgery to remove ovarian tumors. Using carbon nanotubes and a near-infrared imaging system, they could find and remove tumors as small as 0.3 millimeters during surgery in mice, resulting in a 40 percent enhancement in median survival.
Категории: Nano planet

Nanosized container with photoswitches: Release of cargo upon irradiation in water

ScienceDaily.com: Nanotechnology News - 24 апреля, 2019 - 17:22
Researchers have developed a nanosized container bearing photoswitches that takes up hydrophobic compounds of various size and shape in water and subsequently releases them quantitatively by non-invasive light stimulus. The installed switches allow reusing of the container after successful release of the cargo. The novel system represents a versatile platform for future developments in fields such as materials chemistry and biomedicine.
Категории: Nano planet

Polymers to give early warning signs

Nanowerk.com - 24 апреля, 2019 - 15:56
Scientists have developed a method to tailor the properties of stress-indicating molecules that can be integrated into polymers and signal damages or excessive mechanical loads with an optical signal.
Категории: Nano planet

Nanosized container with photoswitches: release of cargo upon irradiation in water

Nanowerk.com - 24 апреля, 2019 - 15:48
A versatile system with potential application for non-invasive drug delivery.
Категории: Nano planet

'Nanofiber yarn' makes for stretchy, protective artificial tissue

Nanowerk.com - 24 апреля, 2019 - 15:42
Twisted fibers coated with living cells could assist healing of injured muscles and tendons.
Категории: Nano planet

New nanomedicine slips through the cracks, reaches brain

ScienceDaily.com: Nanotechnology News - 24 апреля, 2019 - 15:34
In a recent study in mice, researchers found a way to deliver specific drugs to parts of the body that are exceptionally difficult to access. Their Y-shaped block catiomer (YBC) binds with certain therapeutic materials forming a package 18 nanometers wide. The package is less than one-fifth the size of those produced in previous studies, so can pass through much smaller gaps. This allows YBCs to slip through tight barriers in cancers of the brain or pancreas.
Категории: Nano planet

Printed organic electronics you can eat

Nanowerk.com - 24 апреля, 2019 - 12:18
Researchers report that organic transistors composed mainly of ingestible materials can be easily transferred on edible substrates by means of untreated commercial tattoo-paper.
Категории: Nano planet

Quantum distillery for light

Nanowerk.com - 24 апреля, 2019 - 11:53
The distillation of spirits increases the content of alcohol relative to the water content. A similar method works on light quanta - photons. It extracts individual photons from a light source, reduces the unwanted vacuum component, and heralds this event.
Категории: Nano planet

New nanomedicine slips through the cracks

Nanowerk.com - 24 апреля, 2019 - 11:45
Nanomachines aim to deliver cancer drugs to hard-to-reach areas like the brain.
Категории: Nano planet

Highly fire retardant coating developed from nanocellulose

Nanowerk.com - 24 апреля, 2019 - 10:41
A spray- or brush-applied fire retardant coating made from nanocellulose is well suited for improving the fire properties of wood-based materials. It reduces the access of oxygen to the surface, thus significantly inhibiting combustion.
Категории: Nano planet

Perfectly-absorbing photoconductive metasurface significantly improves THz detection

Nanowerk.com - 24 апреля, 2019 - 08:02
Terahertz (THz) frequencies, which occupy a middle ground between microwaves and infrared light, are seen as the future of wireless communications because they offer a higher bandwidth capacity for data transmission than currently used microwave radiation. Researchers have improved the photoconductive switch, a key optoelectronic element in THz technology, with a perfectly-absorbing photoconductive metasurface. The perfect absorption within this metasurface allows to make the active region of THz wave detectors significantly thinner in comparison to conventional detectors. Apart from reducing the size of THz detectors, it also improves their efficiency.
Категории: Nano planet

Watching molecules split in real time

Nanowerk.com - 24 апреля, 2019 - 07:52
A new method could be used to look at chemical reactions that other techniques can?t catch, for instance in catalysis, photovoltaics, peptide and combustion research.
Категории: Nano planet

Scientists explore the unknown behaviour of gold nanoparticles with neutrons

Nanowerk.com - 23 апреля, 2019 - 20:09
Scientists investigated the physical and chemical influences when gold nanoparticles interact with a model biological membrane, in order to identify the behavioural mechanisms taking place.
Категории: Nano planet

Nanocomponent is a quantum leap

ScienceDaily.com: Nanotechnology News - 23 апреля, 2019 - 18:40
Researchers have developed a nanocomponent that emits light particles carrying quantum information. Less than one-tenth the width of a human hair, the minuscule component makes it possible to scale up and could ultimately reach the capabilities required for a quantum computer or quantum internet.
Категории: Nano planet

Nanomechanical router is a quantum leap for physicists

Nanowerk.com - 23 апреля, 2019 - 16:19
Physicists have developed a nanocomponent that emits light particles carrying quantum information.
Категории: Nano planet