Articles

Found results: 16340

Nanotechnology

Radio-controlled nematodes, cells, ion channels...

With the help of magnetic nanoparticles heated by radio frequency radiation, the researchers forced nematodes to crawl in the right direction, and ion channels in cell membranes to open and close.

01.07.2010
Other life sciences

The Immortal Cells of Henrietta Lacks

The well-known HeLa cell line is derived from cells taken from a cancer patient named Henrietta Lacks, who died in 1951. The HeLa cell line is used to study cancer and other diseases.

01.07.2010
Other life sciences

How to find the right gene in the genome?

The algorithm used by some Chinese search engines will help you find a gene common to different species or individual organisms in databases containing information about a variety of genomes.

01.07.2010
Biomedicine

When will the menopause come?

According to the concentration of anti-Muller hormone in the blood already in 30 and even 20 years, it is possible to determine quite accurately at what age menopause will begin.

30.06.2010
Other life sciences

Together against cancer: mitochondria and tumor suppressor p53

The identification of the relationship between the activity of the mitochondrial respiratory chain and the "anti-cancer" protein p53 is important both from the point of view of fundamental science and for the development of cancer treatment methods.

30.06.2010
Various

Too Long for this World: The Strange Science of Immortality

The author is lying when he designates the problem of immortality as the subject of research. In fact, most of the book is devoted to research in this area by the most charismatic and famous gerontologist of the planet – Aubrey de Grey.

28.06.2010
Genetics

Diabetes genes: you are tormented with X's, confused in zeros…

Taking into account the 12 new ones, the total number of known "diabetes genes" has reached 38, but each of them has only a very small effect on the risk of type 2 diabetes. Even taken together, they are not able to provide a clear forecast.

28.06.2010
Other life sciences

Light-on-a-chip

The key element of the lungs is a three–layer membrane in the alveoli, consisting of cells of the pulmonary epithelium, extracellular matrix and blood capillary cells. This "interface" was reproduced by the researchers inside the biochip.

28.06.2010
Various

Science to manage science

Only a very great attention of the state, which should invest in the development of science and technology, gives some positive effect.

25.06.2010
Grants and competitions

Russian science is promised billions

The total amount of funding under the grant program of the Government of the Russian Federation for state support of scientific research is 12 billion rubles.

25.06.2010
Your health

Original drug or generic?

Generics are based on the same active substance as in the original, but the method of production, the composition of impurities, fillers may be different, and the degree of compliance with the original may vary.

25.06.2010
Healthy skepticism

Superman: it's not harmful to dream...

A physiologist with immortality pills, a molecular biologist with gene transformation, an electronics engineer with a chip in the brain, and so on. Will they be able to create a superman?

25.06.2010
Genetics

Twins disappointed geneticists

A discouraging conclusion drawn from the results of a gigantic work: the genomes of three pairs of identical twins, one of whom has multiple sclerosis, and the other does not, do not differ in any way.

25.06.2010
Your health

Tanning with sunscreens ends with cancer

Sunbathing with sunscreens is no less, and sometimes more dangerous than without them: in the USA and Europe, where sunscreens have been used for a long time, the incidence of all forms of skin cancer has increased 3-5 times over the past 30 years.

25.06.2010
Cellular technologies

Stem cells against corneal burn

The new approach makes it possible to multiply limbal stem cells in the laboratory and grow from them a living contact lens that completely covers the cornea.

24.06.2010