[Magazine] Scientific American. Vol. 277. No 3 - download pdf or read online

By John Rennie

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14, pages 2626–2631; April 3, 1995. Observation of the Top Quark. S. , pages 2632–2637. Top-Ology. Chris Quigg in Physics Today, Vol. 50, No. 5, pages 20–26; May 1997. The Discovery of the Top Quark Copyright 1997 Scientific American, Inc. Scientific American September 1997 59 Building Doors into Cells With the help of recombinant DNA technology, researchers have learned how to create artificial pores that might be used to deliver drugs or act as biosensors to detect toxic chemicals by Hagan Bayley ALFRED T.

With certain genetic disorders, such as phenylketonuria, in which the body cannot properly metabolize the amino acid phenylalanine. The condition can ultimately lead to nerve cell damage. Encapsulated cells could be used to deliver hormones lacking in people with diseases such as insulin-dependent diabetes. Drugs, enzymes and cells within membranes bearing artificial pores would provide a level of control over where, when and how much of the medication is delivered that improves markedly on existing technologies.

Running on Water Copyright 1997 Scientific American, Inc. Scientific American September 1997 69 BRYAN CHRISTIE; PHOTOGRAPH COURTESY OF JOSEFA JAKLITSCH Creating False Memories Copyright 1997 Scientific American, Inc. Researchers are showing how suggestion and imagination can create “memories” of events that did not actually occur by Elizabeth F. Loftus I n 1986 Nadean Cool, a nurse’s aide in Wisconsin, sought therapy from a psychiatrist to help her cope with her reaction to a traumatic event experienced by her daughter.

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[Magazine] Scientific American. Vol. 277. No 3 by John Rennie

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