Natalia Nanorf.ru's Blog (54)

Viruses to help storing solar power

A solar battery operation is based on the light getting on the photosensitive surface characterised with a “redundancy” of electrons, the latter start shifting into the next in-depth layer of the battery made of “electron-poor” materials. The electromotive force occurs which leads to the emergence of electric current. In fact the two layers interact as electrodes of a regular battery.

Search for materials fit to make solar batteries is of great interest for researchers. Materials…

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Added by Natalia Nanorf.ru on July 24, 2011 at 6:06pm — 1 Comment

Russian researchers have established a new catalyst. Europe will be implementing it

Researchers at the A.N. Nesmeyanov Institute of Heteroorganic Compounds, Russian Academy of Sciences, are developing catalyst systems, which will be implemented by the biggest European pharmaceutical companies and will probably lead to changes in industrial standards for vitamin and drug production. These systems are supposed to help in increasing pharmacologic composites purity and in decreasing the final output cost. The effort is being…

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Added by Natalia Nanorf.ru on July 18, 2011 at 6:59pm — No Comments

Bony nanotechnology

When people are born no spare parts are readily available for them. Soft tissue regeneration occurs quite fast but what about bone recovery? It was proved that implants — artificial bone replacements — were in use as long ago as some time BC. A piece of a mandibula of an Inca (6th century BC) was found in modern Honduras, around the De Los Muertos plateau, bearing three dental implants made of sea mussel shells. A female skull belonging to the 1st century BC, with a…

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Added by Natalia Nanorf.ru on July 11, 2011 at 8:15am — No Comments

Let there be nano-special-mission units!

The country needs special — synthetic specialists — supermen with the “nano-“ prefix. To this end, pupils at school should be already taught new technologies. The opinion was expressed by Doctor of Engineering, Director General of the Close Joint-Stock Company “Concern ‘Nanoindustry’”, Mikhail Ananian.…

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Added by Natalia Nanorf.ru on July 4, 2011 at 9:32am — No Comments

Zirconium defeats steel properties

Experiments carried out at the A.A. Blagonravov Institute of Engineering Science (IMASH), Russian Academy of Sciences, have proved that instruments based on nanostructured composite made of zirconium oxide exceed steel analogues in terms of acuity and reliability. Specialists at the A.A. Blagonravov Institute of Engineering Science assume that in future the new material will press steel by a number of positions and will solidly capture its own niche in many industries. Valery Alisin -…

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Added by Natalia Nanorf.ru on June 27, 2011 at 6:17am — No Comments

Russian scientists use fields to control nanostructure synthesis

The use of external electric and magnetic fields as a control factor allows to manage the structure of the synthesised nanoparticles. The detailed research will be published in the May issue of the Russian Nanotechnologies. The study was conducted as part of the Federal Task Program “The Research and Development of the Priority Directions of the Russian Scientific and Technical Complex Development,…

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Added by Natalia Nanorf.ru on June 20, 2011 at 5:09pm — No Comments

Russian researchers strengthen titanium implants

A number of titanium mechanical properties can be improved by the method developed by Russian researchers for nano-scale grains formation in pure titanium structure. The information on researching structure and properties of nano-scale titanium as well as implants based on it will be published in May issue of the “Russian Nanotechnologies” journal. The effort has been sponsored by the Federal…

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Added by Natalia Nanorf.ru on June 15, 2011 at 2:08pm — 1 Comment

Russian scientists to optimise a superconductor

Supercondutors show zero electrical resistance at low temperatures. The flow of electrons creating the electric current moves there without colliding with the atoms of the crystal lattice of the conducting material; that means that there is no heat loss. Today, superconductors are used to create high-power magnets for expensive scientific equipment and highly accurate…

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Added by Natalia Nanorf.ru on June 6, 2011 at 6:32am — No Comments

Russian scientists to cover viruses in gold

Recently, word has been appearing in scientific literature suggesting that collaurin can activate the immune system response to foreign antigens. Researchers at the Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, and the State Scientific Institution of Saratov Research Veterinary Station of Russian Agriculture Academy; have proved that gold nanoparticles increase…

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Added by Natalia Nanorf.ru on May 30, 2011 at 6:31am — 6 Comments

Russian scientists are studying light sources

For many experiments, it is important to know the exact wavelength of the source of light. Unfortunately, wavelengths of lasers or light-emitting diodes are subject to change depending on the environment factors such as ambient temperature. Those changes that can be as significant as a fraction of a nanometer are important for exploring the structural positions of ions in metals. Today, equipment is calibrated using emission spectrum analysis (spectrophotometric method) but this is a…

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Added by Natalia Nanorf.ru on May 23, 2011 at 5:37am — No Comments

Russian researchers have studied elastic properties of graphene

As of today, graphene, the thinnest one-atom-thick layer of carbon, is one of the most amazing materials. Measurements made in 2008 by researchers at Columbia University, proved that graphene was also the strongest and most elastic material among all known ones. However, the obtained data related to “ideal” graphene, which contains very few admixtures, its crystal structure being homogeneous. Apparently, defects in its structure should…

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Added by Natalia Nanorf.ru on May 16, 2011 at 5:43am — 1 Comment

Russian researchers forecast nanoparticles dimensions

Enormous free surface area, unique magnetic and optical properties of nanoparticles provide great opportunities for their application. One of the easiest and most efficient methods for getting nanoparticles is mechanical milling of larger-particle powders. Solving specific process tasks often requires nanoparticles of fixed composition and dimensions, but the existing models of obtaining them are rather experimental data integration and can hardly help in selecting powder processing…

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Added by Natalia Nanorf.ru on May 10, 2011 at 7:27am — No Comments

Tomsk Regional Center for Collective Usage (TRCCU): researches and staff education for nanoscale industry

Tomsk State University is a research-type university and a leading innovation center for science and education, which meets contemporary labor market requirements and is integrated into high-tech sectors of economy and service industry.

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Added by Natalia Nanorf.ru on May 2, 2011 at 1:21pm — No Comments

How to get Russian science moving

The first Russian research centre was established based on the “Kurchatov Institute” National Research Centre. It also includes the B. P. Konstantinov Petersburg Nuclear Physics Institute, Russian Academy of Sciences (Gatchina); the Institute for High Energy Physics (Protvono); and the Institute for Theoretical and Experimental Physics (Moscow). Today, this structure embraces about 10.000 people. Mikhail Kovalchuk, director of the newly-established entity, spoke on the opportunities open for…

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Added by Natalia Nanorf.ru on April 25, 2011 at 6:59am — No Comments

Sandwich microchip: What is covered within

Imagine a small notebook about ten pages thick. Each page is filled with some symbols. Is it possible to read the text in each page without actually opening the notebook? Yes, it is, says Eduard Rau, leading scientific associate at the joint Microscopy and Electronic Microtomography laboratory of the Physics Department, Moscow State University. Professor Rau led the development of an original method of noncontact nondestructive sample test. But in this case, however, the researchers…

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Added by Natalia Nanorf.ru on April 18, 2011 at 8:15am — No Comments

Nanodimensional carbonic coatings were modified in Belgorod

All contemporary microelectronics is based on utilization of single-crystalline silicon, and it is unlikely that any other semiconductor will be able to supplant it in near future. During the past few years, researchers at Belgorod State University  (BelGU) have been investigating properties of carbonic coatings applied upon silicon. Such coatings enable to make the material harder and more resistant to mechanical failure. Besides, the…

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Added by Natalia Nanorf.ru on April 11, 2011 at 5:52am — No Comments

A fiber-optic sensor has been produced in Novosibirsk

Researchers at the Institute of Automation and Electrometry (Siberian Branch, Russian Academy of Sciences)   and the Institute of Organic Chemistry (Siberian Branch, Russian Academy of Sciences) have for the first time designed a chemical sensor based on optical fiber, which selectively reacts to butylamine presence. The research has been sponsored by the…

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Added by Natalia Nanorf.ru on April 4, 2011 at 6:13am — 1 Comment

Russian researchers to study the silicon particles effect on cells

Nanostructured silicon surfaces and silicon nanoparticles slow down the division of stem and cancer cells, and the combination of nanoparticles and ultrasound kill the cells. The research has been conducted at the Physics department of Moscow State University, the Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, the I.M. Sechenov First Moscow State…

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Added by Natalia Nanorf.ru on March 28, 2011 at 6:43am — 1 Comment

The structure of growing nanocrystals is possible to manage

Vertical nanocrystal whiskers or nanowiskers are one-dimensional crystals that look like rods or threads several nanometers in diameter. The rods are often cultivated using the elements of the third and fifth groups of the periodic table. The most common nanocrystals of the third and firth groups are gallium arsenide and indium phosphide. These semiconducting materials present competition to silicon in the electronics field as diodes and transistors built using them are faster in operation.…

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Added by Natalia Nanorf.ru on March 21, 2011 at 8:44am — 2 Comments

Russian researchers suggest precipitating nickel on carbonic nanotubes

Nickel nanoparticles are used as a catalyst to produce various substances — for example, synthetic hydrocarbons. Broad use of this inexpensive catalytic metal is limited by the fact that researchers have no effective method of generating nanoparticles of similar structure and of closely varied sizes.

Experts at the Nanotechnologies and Nanomaterials Research Centre at Tambov Derzhavin State University have…

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Added by Natalia Nanorf.ru on March 14, 2011 at 5:51am — 2 Comments

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