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16.03.2008 (15:22) Естественные науки >> Медицина и здоровье
Контрастные агенты для магнитно-резонансной томографии
МРТ генерирует изображения при помощи измерения высокочастотных сигналов возникающих благодаря магнитным моментам липидных и, главным образом, водных протонов в живых тканях.

Использование воды как исследуемой молекулы имеет много преимуществ. Водород имеет наибольшую чувствительность среди всех биологических ядер, и вода присутствует в больших концентрациях в большинстве тканей.

Магнитные свойства воды чувствительны к локальной микроструктуре и составу биологических тканей. ...>>

16.03.2008 (14:46) Естественные науки >> Медицина и здоровье
Магнитно-резонансная томография
Магнитно-резонансная томография (МРТ) - один из наиболее важных безвредных методов в клинической диагностике. Очень важным является уникальная ...>>


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