Just as DNA chips revolutionized genome analysis, we hope to make cell chips (self-assembled arrays of cells on a thumbnail-sized chip) using our DNA-based cell adhesion strategy. Cell chips could be used as biosensors for detecting the presence of pathogens, or for drug screening, just to name of a few of the many possibilities.
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Risk assessment policy that relies solely on screening bio-assay results from the most sensitive species is not based on scientific principles. Neither is it credible or reliable.
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Those Romans who perpetrated the rape of the Sabines, for example, did not work themselves up for the deed by screening Debbie Does Dallas, and the monkish types who burned a million or so witches in the Middle Ages had almost certainly not come across Boobs and Buns or related periodicals.
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'For 35 years U.S. scientists labouring in the National Cancer Institute's screening programme have injected more than 400,000 chemicals into leukemic mice, hoping to find chemotherapies that would help solve the riddles of cancer... We've been using the wrong system as the screening device.'
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We need to make every effort to increase the use of colon and rectum cancer screening among adults over the age of 50.
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