Morphing with Light by James Davis6/10/2023 ![]() ![]() ![]() Hess of the National Institute of Child Health and Human Development, computed the theoretical shape "fits." Tobias Baumgart, Cornell postdoctoral researcher, developed and analyzed the new experiments, and Samuel T. "This is the first experiment to show interphase energetics influencing membrane geometries," says Cornell professor of applied physics Watt W. ![]() The findings, say the researchers, should help cell biologists understand the functions of cell membranes that are important to human health. 821-824) and is illustrated on the magazine's cover. Their report on observing the membranes - a laboratory-grown mixture of phospholipids and cholesterol - being reshaped into two separate, two-dimensional liquid phases, or "rafts,"Īppears in the latest issue of the journal Nature (Oct. The forces behind the membrane morphing, the researchers say, is akin to a party entertainer shaping balloon animals by tensioning the surfaces. Keck Foundation has been able to watch the sacs, or vesicles, reshaping themselves under the light of multiphoton three-dimensional microscopy. But now a team of biophysicists from Cornell University, the National Institutes of Health and the W.M. In the past it was possible for theoreticians only to analyze the thermodynamic forces behind membrane shape-shifting. Cell membranes - the sacs encompassing the body's living matter - can assume a variety of shapes as they morph to engulf materials, expel others and assemble themselves into tissues. ![]()
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