Articles

Found results: 16337

Genetics

How to draw genes

At the current stage of development of functional genomics, it has become possible to determine which genes are expressed in different parts of the body — "work" and which "sleep". And not just to determine, but to obtain three—dimensional images of the distribution of gene activity in all organs and tissues - to create so-called atlases of gene expression.

16.10.2008
Your health

Self-mutilation

About how justified self-medication is, as well as what dangers are fraught with our favorite painkillers, our conversation today with Doctor of Medical Sciences, Professor of the Department of Gerontology and Geriatrics of MGMSU Vladimir Drozdov.

16.10.2008
Biomedicine

Doctors draw conclusions

Science often discovers completely new properties in seemingly well-studied objects.

15.10.2008
Prolonging youth

Computer games and the Internet help to keep the mind young

Internet use improves brain activity, at least in middle-aged and elderly people, by stimulating the brain centers responsible for decision-making and complex reasoning. And 10 hours of a computer game specially designed for elderly drivers for 10 years "rejuvenate" the brain according to its functional capabilities.

15.10.2008
Your health

Advertising of medicines: harm yourself

Doctors are sure that the more often medicines flash in commercials, the more side effects, exacerbations of chronic diseases and allergies they have to treat.

14.10.2008
Biotechnologies - into life

Medicine will be brought out of the impasse by microcins and bacteriophages

Antibacterial peptides microcins and bacteriophages undeservedly forgotten by science can become a substitute for antibiotics, according to scientists of the Institute of Molecular Genetics of the Russian Academy of Sciences, who conduct fundamental research of natural antibiotic substances under the guidance of Professor Konstantin Severinov of Rutgers University.

14.10.2008
Biotechnologies - into life

Russian pharmaceutical business needs a seed fund

Oleg Korzinov, Head of the Innovation Department of TSVT "HimRar": "Why shouldn't a Russian venture company create a seed fund in the field of living systems?"

14.10.2008
Nanotechnology

A new system for delivering quantum dots to living cells

Nanoparticles of the quantum dot class were encapsulated in a biodegradable hydrogel and modified with antibodies specifically binding to cell membrane receptors. The resulting nanocomposite structure penetrates the cells without destroying the membrane, and then hydrolyzes in the cytoplasm, releasing individual quantum dots.

14.10.2008
Healthy skepticism

How to change the sex of the child?

The sensational development was presented by scientists from the Japanese corporation "Nasumoto". The method can be applied from the fourth week of pregnancy. It is during this period that the sex glands begin to form.

13.10.2008
Note to the businessman

The money is here

The last refuge of free capital is private equity funds. They will not be able to finance all companies, but they can launch the process of mergers and acquisitions in many sectors.

13.10.2008
Other life sciences

Nobel Prize – for HIV and the papilloma virus

The 2008 Nobel Prize in Physiology or Medicine will be shared by Harald zur Hausen ("for the discovery of human papillomavirus causing cervical cancer") and Francoise Barre-Sinussi and Luc Montagnier ("for the discovery of human immunodeficiency virus").

10.10.2008
Other life sciences

Lactic acid is an alternative source of nutrition for the brain

Previously, it was believed that the brain works exclusively on glucose. Using spectral analysis, scientists found that the brain receives not only glucose from the blood coming to it, but also lactic acid, an excess of which is observed in the blood during active muscle work.

10.10.2008
Cellular technologies

Another source of pluripotent stem cells

The primordial cells of the male testicles, which produce spermatozoa during division, have the property of pluripotency, that is, they are able to transform into all known types of cells of an adult organism. In this sense, they are completely "equal" to embryonic stem cells.

10.10.2008
New in Gerontology

Something happened to my memory…

Often, especially from elderly people, you can hear: "I forgot again. Damn sclerosis!" Those who are younger usually say this in jest. Older people tend to be concerned about their forgetfulness. Is memory deterioration an inevitable process?

09.10.2008