Blood transfusion of a worm to a person. Free Technical Library News

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Worm blood transfusion to human

06.03.2004

With large blood losses, especially when there is not enough donor blood, the infusion of blood-substituting solutions containing salts, amino acids and carbohydrates, but not capable of carrying oxygen to the tissues, is practiced.

French biochemists offer a new blood-substituting solution based on the hemoglobin of the sandworm. A worm living in the soil on the seashore needs a very active hemoglobin in order to extract oxygen where there is almost none - in sand and silt. Therefore, the hemoglobin molecule sanded 50 times larger than the corresponding molecule from human blood.

The hemoglobin of the worm does not cause an allergic reaction in humans and is able to supply oxygen to its organs. This substance can be obtained in large quantities by genetic engineering methods, by transplanting the corresponding gene, for example, into bacteria or plants.

The first experiments were carried out on mice, in a year clinical trials should begin.

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The metropolitan of the capital of Great Britain is considered to be one of the largest and most complex transport systems in the world. "Underground" has 270 stations on 11 lines, the total length of which is inferior only in this indicator to the subways of Asian cities - Shanghai, Seoul and Beijing.

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The exterior of the new London Underground trains was created with the borrowing of classic attributes and traditional British style of public transport.

“We have participated in subway modernization projects in many countries around the world, and our specialists are well aware not only of what passengers need, but also of how to simplify the maintenance and operation of underground electric transport as much as possible,” said one of the authors of the project of the future automated train, who should appear in the British underground in eight years.

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