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Found results: 3406

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Protein kinase will stop metastases

While the enzyme protein kinase D1 (PKD1) inside cancer cells is active, these cells are not able to move through the tissues of the body. For the first time, the described fundamentals of the mechanism of development of the metastatic form of cancer tumors open up the possibility for the creation of drugs that prevent the development of metastases.

31.03.2009
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Rapid test will reveal melanoma

A developing melanoma and a benign mole can now be distinguished using an express test for five tumor marker proteins. The developers have brought the specificity of their method to 95%, and the sensitivity to 91%, which is very impressive results for oncology.

31.03.2009
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"Designer" protein for oxygen transfer

The oxygen binding characteristics of artificial protein are similar to those of natural globins with distal histidines, except that molecular oxygen (O2) binds more strongly than carbon monoxide (CO). This property of the new protein can be very useful when creating artificial blood.

30.03.2009
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Is your eyesight deteriorating? Play "shooting games"!

The experienced group played Unreal Tournament and Call of Duty 2 for 9 weeks, and the control group raised law-abiding citizens in Sims 2. In the second case, after 50 hours of games, no change in visual function was noted, but the masters of the rifle, laser and other flamethrowers had contrast vision improved by 0.16–0.20 logarithmic units, that is, by 43-58%.

30.03.2009
News

Induced pluripotent stem cells: another breakthrough

The staff of the James Thomson Laboratory, which in 1998 received the world's first culture of human embryonic stem cells, developed a method for producing induced pluripotent stem cells free of both viral vectors and potential oncogenes.

30.03.2009
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Animal rights or human rights?

The process of finding new drugs for the treatment of diseases such as Parkinson's or Alzheimer's disease may stop if the EU implements its intentions to tighten the rules for conducting experiments on animals in scientific laboratories.

30.03.2009
News

Probiotics: How useful are "healthy" yogurts?

Probiotics, discovered more than a century ago by Ilya Mechnikov, are the basis of a functional nutrition system: they restore the beneficial intestinal microflora. However, despite all their supposed advantages, probiotics are not a medicine, and their effects have not yet been sufficiently studied.

26.03.2009
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Gold nanospheres for cancer treatment and other biomedical purposes

In cancer treatment, hollow gold nanoparticles absorbed infrared radiation 50 times more efficiently than solid ones. And the ability to obtain nanospheres with a given diameter and wall thickness allows you to change their optical properties and makes it possible to use them in various fields of biology and medicine.

26.03.2009
News

Cell therapy for the Deputy Prime Minister

During his visit to the Russian Scientific Center of Surgery of the Russian Academy of Medical Sciences, Sergey Ivanov got acquainted with the results of the work of Russian scientists in the field of myocardial cell therapy and treatment with the help of genetically engineered structures of chronic lower limb ischemia.

25.03.2009
News

Doctor's Heart

The 59-year-old doctor felt a sharp pain in his chest half an hour after the start of the operation, but decided to bring the surgical intervention to an end despite the persuasions of colleagues.

24.03.2009
News

Quantum Tunneling DNA Sequencer

Sequencing one human genome with this technique using a single tunneling microscope will take several months, and the tunneling microscope itself is not a cheap thing; there are many other technical difficulties. However, the problems facing the first chemical sequencers were even more complicated.

23.03.2009
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"Universal donor" from stem cells

British scientists are launching a project to create universal donor blood from embryonic stem cells – it can be produced in unlimited quantities. As experts hope, the first transfusion can be carried out in three years.

23.03.2009
News

Nanodrugs from the crisis

The Finnish Agency for Technology and Innovation Financing Tekes has simplified the procedure for issuing grants to developers. Russian companies can claim the money.

23.03.2009
News

Russian-Israeli nanotechnology

Russia is ready to issue loans on very favorable terms and invest in Israeli companies. At the same time, Mr. Chubais made it clear that this proposal includes certain requirements from the Russian side. In particular, Russia will insist that the entire production part be carried out at Russian enterprises.

20.03.2009