Functionalized cross-linked polystyrene microspheres were synthesized, fluorescently labelled and delivered into cells to function as cellular tags and probes (see figure). This allowed the effective delivery of foreign materials into intact mammalian cells, without the need for delicate procedures such as micro-injection, and did not disrupt cell physiology. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2268/2005/z500059_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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Sánchez‐Martín et al. (2005) studied this question.
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