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05.05.2024
16:59
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Нанотехнологии на службе у криминалистов
В основе новой методики лежит применение стабильной взвеси золотых наночастиц с адгезивными гиброфобными гидрокарбоновыми цепочками, растворителем выступал бензиновый эфир.

Наночастицы вступали в "гидрофобные реакции" с жировыми следами, оставленным поверхностью человеческих пальцев, прилипая к ним и формируя значительно более четкий рисунок (на фото снизу), чем можно было бы получить с помощью традиционной техники с применением солей серебра (на фото). При этом время затраченное на процедуру не превышало трех минут.

На данный момент не известно, найдет ли новая технология применение в криминалистической практике, поскольку не известно обладает ли метод достаточной чувствительностью (т.е. количество обнаруживаемых отпечатков как минимум не меньше, чем при применении традиционной техники), необходимой для его практического применения.

Источник: http://www.3dnews.ru

Категория: В мире науки | Добавил: csi-school (24.03.2007)
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