Nanotechnology

Nanotechnology

Three-layer skeletons of blood vessels from a 3D printer

Chinese scientists used a 3D bioprinter to make the first, as they write, full-fledged three-layer artificial vessels that help the body grow real arteries and capillaries.

05.02.2015

Nanotechnology

Biosensor-universal

The new hydrogel biosensor makes it possible to analyze not one substance, as existing models, but a wide range of human metabolites, including glucose, uric acid and cholesterol, in one drop of blood.

30.01.2015

Nanotechnology

Self-cleaning electrochemical sensors

Nowadays, most chemical and biological sensors are electrochemical devices. Italian researchers have created a simple and cheap electrochemical sensor that cleans itself when illuminated with ultraviolet light.

30.01.2015

Nanotechnology

Nanorackets in the stomach

For the first time, scientists have used nanobots with chemical micro-motors to deliver drugs inside a living organism.

23.01.2015

Nanotechnology

Backpacks for monocytes

For targeted drug delivery, researchers from UCSB and MIT have developed "cell backpacks" attached to monocytes – disc-shaped polymer particles that can carry therapeutic agents and release them in the area of inflammation.

16.01.2015

Nanotechnology

Graphene "carpet planes" fly to cancer cells

As a means of transport – "carpet planes" - to deliver two anticancer drugs to cancer cells, the researchers used strips of graphene.

15.01.2015

Nanotechnology

4 myths about nanotechnology

Post-science experts debunk myths about new technologies in manipulating nanoobjects.

25.12.2014

Nanotechnology

Nanoparticles for the diagnosis and possibly treatment of Alzheimer's disease

The new method of early diagnosis of Alzheimer's disease also revealed therapeutic potential: mice injected with magnetic nanoparticles coated with antibodies to beta-amyloid partially lost symptoms of the disease.

25.12.2014

Nanotechnology

Radiogenetics – a new way to control the activity of genes and cells

A group of scientists from the USA is developing a system that will allow using magnetic nanoparticles to remotely control biological targets in the body of living animals – quickly, without wires, implants and chemical compounds.

22.12.2014

Nanotechnology

Baby stomps…

A "walking" molecule created by chemists from Oxford, so small that it is impossible to see it even in the most powerful microscope, has taken its first steps, the length of which is only about one nanometer.

16.12.2014

Nanotechnology

"Three-dimensional nanovaccine" will help in the fight against cancer

Strictly speaking, this is not really a vaccine, since nanopalochki and signaling molecules act here, and not neutralized microorganisms or their antigens. However, even in this case, immunity is activated against a specific "violator".

10.12.2014

Nanotechnology

OLED display in a contact lens

The creation of a specialized three-dimensional printer and contact lenses with displays based on organic LEDs was funded by the US Air Force. But such technology has the possibility of a more peaceful use.

27.11.2014

Nanotechnology

Synthetic platelets

Nanoparticles injected into the blood, imitating all the properties of natural platelets, are able to reduce the bleeding time by 65%, and dissolve in the blood when the need for their presence disappears.

17.11.2014

Nanotechnology

NanoScript solved the problem of safe differentiation of stem cells

The new NanoScript nanomaterial is the first functional analogue of transcription factors that effectively interacts with DNA and is suitable for working with stem cells.

17.11.2014

Nanotechnology

Nanosecurity: are you going the right way, comrades?

In many of the more than 6,000 articles analyzed in the review, the authors neglect the basic rules of toxicological studies, and it is impossible to draw any acceptable conclusion about the toxicity of nanoparticles from their results.

07.11.2014

Nanotechnology

Google is developing a bracelet for the diagnosis of cancer and other diseases

The device will be able to determine the composition of human blood using "smart" nanoparticles that will enter the patient's blood when he swallows a special tablet. The data from them will be read by a sensor placed on the wrist.

30.10.2014

Nanotechnology

Complex structures from standard DNA blocks

Scientists have developed a technology for building large volumetric nanostructures from DNA bricks, similar to Lego blocks.

27.10.2014

Nanotechnology

Nanomedicine: Hurdling

Chemist Natalia Klyachko – about nanozymes, drug delivery to the body, socially significant drugs and the barrier between the laboratory and production technology, which, unfortunately, requires a lot of money to overcome.

09.10.2014

Nanotechnology

Magnetic fields control "nanorackets"

Researchers from the University of Nijmegen have learned how to open and close nanoparticles using magnets. This process allows for the directed transport of medicinal substances in the body.

07.10.2014

Nanotechnology

Nanoparticles against autoimmune diseases

The introduction of biomimetic nanoparticles into the blood makes it possible to remove pathological antibodies from the body responsible for the development of an autoimmune reaction.

03.10.2014